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CA1155243A Expired / Lapsed CA ⏱️ 0.0 years remaining

Apparatus and method for remote sensor monitoring, metering and control

Assignee: METRETEK Inc
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Filing: 1980-01-25
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Granted: 1983-10-11
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Expires: 2000-01-25
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Abstract

Abstract ABSTRACT OF THE INVENTION A remote unit for a remote meter reading system. The remote unit initiates a telephone call to a central complex at a predetermined callback time. In response to an acknowledgement signal indica-tive of a completed connection, the remote unit transmits indicia of its identity and collected data. The central complex responds with an instruction word, to control the next scheduled callback time and operational mode of the remote unit. Error code, load management and demand metering provisions are disclosed.

Inventors

  • 👤 W. Thomas Bushman
  • 👤 Theodoros G. Paraskevakos

Bibliographic Details

Application Number —
Jurisdiction CA
Data Source google_patents
Last Synchronized 2026-11-08 17:35
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/002

Claims Analysis

Total Claims: 97
Claim 1
Independent Claim 110 words
A method for remote monitoring of sensors adapted for automatic communication with a central complex through a telephone line, said central complex having a telephone number assigned thereto, comprising the steps of: selectively seizing said telephone line at a predetermined real time; generating signals onto said telephone line representative of said central complex telephone number to address said central complex; generating, responsive to acknowledgement signals from said central complex, coded signals indicative of the identity of said sensor, and data indicative of the states of said sensors; and receiving and storing subsequent signals from said central complex indicative of the time of the next scheduled seizure of said telephone line.
Claim 2
Independent Claim 110 words
A method for remote monitoring of sensors adapted for automatic communication with a central complex through a telephone line, said central complex having a telephone number assigned thereto, comprising the steps of: selectively seizing said telephone line at a predetermined real time; generating signals onto said telephone line representative of said central complex telephone number to address said central complex; generating, responsive to acknowledgement signals from said central complex, coded signals indicative of the identity of said sensor, and data indicative of the states of said sensors; and receiving and storing subsequent signals from said central complex indicative of the time of the next scheduled seizure of said telephone line.
Claim 3
Dependent Claim 50 words
The method of claim 1 wherein said selectively seizing step comprises: generating signals indicative of real time; comparing said real time to said stored next scheduled seizure time; and generating a callback signal upon occurrence of said stored seizure time, said callback signal effecting said generating telephone number signal step.
Claim 4
Independent Claim 154 words
A method for remote monitoring of a parameter wherein a remote unit communicates with a central complex through a telephone line comprising the steps of: generating indicia of said parameter; generating, from stored representations of instruction signals transmitted by telephone from said central complex in response to the last previous communication from the remote unit, a callback signal indicative of the occurrence of a desired callback time; generating, responsive to said callback signal, dial signals on said telephone line to effect a telephone connection between said remote unit and said central complex; effecting, responsive to a signal from said central complex indicative of a completed telephone connection, a data transmission including indicia of the identity of said remove unit and a representation of said indicia of said parameter; and receiving storing instruction signals from said central complex in response to said data transmission, said instruction signals including indicia of the next desired callback time.
Claim 5
Independent Claim 154 words
A method for remote monitoring of a parameter wherein a remote unit communicates with a central complex through a telephone line comprising the steps of: generating indicia of said parameter; generating, from stored representations of instruction signals transmitted by telephone from said central complex in response to the last previous communication from the remote unit, a callback signal indicative of the occurrence of a desired callback time; generating, responsive to said callback signal, dial signals on said telephone line to effect a telephone connection between said remote unit and said central complex; effecting, responsive to a signal from said central complex indicative of a completed telephone connection, a data transmission including indicia of the identity of said remove unit and a representation of said indicia of said parameter; and receiving storing instruction signals from said central complex in response to said data transmission, said instruction signals including indicia of the next desired callback time.
Claim 6
Dependent Claim 217 words
In a system for remotely monitoring consumption of the type comprising a remote unit cooperating with a consumption meter and a central complex, said central complex and said remote unit being adapted for selective interconnection by a telephone system, the improvement wherein said remote unit comprises: first index register means, responsive to signals indicative of consumption, for generating indicia of cumulative consumption; instruction input means, responsive to instruction signals applied thereto and a clock signal, for storing representations of said instruction signals and generating respective control signals in accordance therewith; said control signals including a callback control signal indicative of the occurrence of a desired callback time; means, responsive to said callback control signal for generating dial signals to said telephone system to effect a telephone call from said remote unit to said central complex; sync detector means, responsive to said instruction signals for generating a good sync signal indicative of reception of a proper sync signal transmitted from said central complex in acknowledge-ment of a completed telephone connection; means, responsive to said food sync signal, for effecting a data transmission to said central complex, said data transmission including a portion indicative of said indicia of cumulative consumption; said central complex generating said instruc-tion signals to said remote unit in response to reception of said data transmission.
Claim 7
Dependent Claim 217 words
In a system for remotely monitoring consumption of the type comprising a remote unit cooperating with a consumption meter and a central complex, said central complex and said remote unit being adapted for selective interconnection by a telephone system, the improvement wherein said remote unit comprises: first index register means, responsive to signals indicative of consumption, for generating indicia of cumulative consumption; instruction input means, responsive to instruction signals applied thereto and a clock signal, for storing representations of said instruction signals and generating respective control signals in accordance therewith; said control signals including a callback control signal indicative of the occurrence of a desired callback time; means, responsive to said callback control signal for generating dial signals to said telephone system to effect a telephone call from said remote unit to said central complex; sync detector means, responsive to said instruction signals for generating a good sync signal indicative of reception of a proper sync signal transmitted from said central complex in acknowledge-ment of a completed telephone connection; means, responsive to said food sync signal, for effecting a data transmission to said central complex, said data transmission including a portion indicative of said indicia of cumulative consumption; said central complex generating said instruc-tion signals to said remote unit in response to reception of said data transmission.
Claim 8
Dependent Claim 84 words
The remote unit of claim 4 wherein said instruction input means comprises: input byte decoder means, responsive to serial instruction signals applied thereto, for generating sequential parallel instruction bytes and instruction byte control signals indicative thereof, said instruction bytes including representations of said desired callback time; and instruction data register means, responsive to said instruction bytes and instruction byte control signals, and a clock signal applied thereto, for storing said instruction bytes and generating said respective control signals in accordance with said instruction bytes.
Claim 9
Dependent Claim 79 words
The remote unit of claim 4 wherein said instruction signals include respective portions representative of a consumption threshold value, and sampling period and said remote unit further includes; first counter means, responsive to signals indicative of power consumption, for selectively accumulating a count indicative of consumption during said sampling periods; and comparator means, for comparing said count to said consumption threshold value and upon an unfavorable comparison generating a comparison signal to effect control of a predetermined consuming appliance.
Claim 10
Dependent Claim 76 words
The remote unit of claim 6 further including: consumer over-ride means, for generating an over-ride signal to effect release of control of said predetermined consuming appliance; and second counter means, receptive of signals indicative of power consumption, said over-ride signal and said comparison signal, for selectively accumulating a premium count indicative of consumption during periods when a disabling of said predetermined consuming appliance is over-ridden, said data trans-mission including a portion representative of said premium count.
Claim 11
Dependent Claim 44 words
The remote unit of claims 6 and 7 further including: means, responsive to said comparison signal for selectively controlling in predetermined sequence further consuming appliances, upon successive unfavorable comparisons, and for releasing control of said consuming appliances in predetermined sequence upon subsequent favorable comparisons.
Claim 12
Dependent Claim 111 words
The remote unit of claim 4 wherein said instruction signals include portions represen-tative of a sampling period and said remote unit further includes: counter means, responsive to signals indicative of consumption and reset signals applied thereto, for selectively accumulating counts indicative of consumption during said sampling periods; a storage register, coupled to said counter means, and responsive to load signals applied thereto for selectively storing the instantaneous count in said counter means; and comparator means, for comparing the instantaneous count in said counter means and the contents of said storage register, and upon an unfavorable comparison, generating a comparison signal to effect loading of said storage register with said instantaneous count.
Claim 13
Dependent Claim 307 words
Apparatus for remote monitoring of a sensor, said apparatus being adapted for operative connection into a telephone system and for automatic communication to a central complex through said telephone system, said central complex having a predetermined telephone number assigned thereto, said apparatus comprising: means for storing said central complex telephone number and indicia of the identity of said sensor; means, cooperating with said sensor for storing indicia of the state of said sensor; clock means for providing a clock signal indicative of real time; means, responsive to said clock signal and a signal representative of a desired callback time, for generating a call back control signal at said desired callback time; means, responsive to control signals applied thereto, for selectively seizing a telephone line in said telephone system at a predetermined real time corresponding to said desired callback time and generating signals onto said telephone line represen-tative of said central complex telephone number to address said central complex; means, responsive to signals indicative of a completed connection to said central complex, for transmitting signals representative of said identity indicia and status indicia over said telephone lines to said central complex; means, receptive of instruction signals for generating said signal representative of said desired callback time. 11. A system for remote monitoring of a sensor, said monitoring system being of the type including a remote unit cooperating with said sensor and a central computer, said remote unit and central computer both being adapted for connection into a telephone system, said monitoring system comprising: means in said remote unit for storing indicia of the status of said sensor; means, in said remote unit, for storing an instruction word including a representation of a desired callback time; means, in said remote unit, for generating a representation of real time and generating a callback control signal at said desired callback time;
Claim 14
Dependent Claim 307 words
Apparatus for remote monitoring of a sensor, said apparatus being adapted for operative connection into a telephone system and for automatic communication to a central complex through said telephone system, said central complex having a predetermined telephone number assigned thereto, said apparatus comprising: means for storing said central complex telephone number and indicia of the identity of said sensor; means, cooperating with said sensor for storing indicia of the state of said sensor; clock means for providing a clock signal indicative of real time; means, responsive to said clock signal and a signal representative of a desired callback time, for generating a call back control signal at said desired callback time; means, responsive to control signals applied thereto, for selectively seizing a telephone line in said telephone system at a predetermined real time corresponding to said desired callback time and generating signals onto said telephone line represen-tative of said central complex telephone number to address said central complex; means, responsive to signals indicative of a completed connection to said central complex, for transmitting signals representative of said identity indicia and status indicia over said telephone lines to said central complex; means, receptive of instruction signals for generating said signal representative of said desired callback time. 11. A system for remote monitoring of a sensor, said monitoring system being of the type including a remote unit cooperating with said sensor and a central computer, said remote unit and central computer both being adapted for connection into a telephone system, said monitoring system comprising: means in said remote unit for storing indicia of the status of said sensor; means, in said remote unit, for storing an instruction word including a representation of a desired callback time; means, in said remote unit, for generating a representation of real time and generating a callback control signal at said desired callback time;
Claim 15
Dependent Claim 510 words
Claim 11 cont'd means, in said remote unit and responsive to said callback control signal, for establishing a telephone call from said remote unit to said central computer at said desired callback time; and means, in said remote unit and responsive to a first synchronization signal from said central computer indicative of a completed connection, for transmitting through said telephone system to said central computer a data word, said data word including a portion indicative of the identity of said remote unit and a portion representative of said stored indicia of the status of said sensor; said central computer, in response to successful reception of said data word transmitting to said remote unit said instruction word through said telephone system. 12. In a system for remotely monitoring a parameter, said system of the type comprising a remote unit cooperating with a sensor for providing signals indicative of said parameter and a central complex, said central complex and said remote unit being adapted for selective interconnection through a telephone system, the improvement wherein said remote unit comprises: first index register means, responsive to signals indicative of said parameter for generating cumulative indicia of said parameter; instruction input means, responsive to instruction signals applied thereto and a clock signal, for storing representations of said instruction signals and generating respective control signals in accordance therewith; said control signals including a callback control signal indicative of the occurrence of a desired callback time; means, responsive to said callback control signal far generating dial signals to said telephone system to effect a telephone call from said remote unit to said central complex; Claim 12 cont'd means, responsive to said information byte signals for generating translated information byte signals whereby each information bytes is represented by a translated information byte having a value at least equal to one; first logic means responsive to said first, second and third clock signals, and control signals applied thereto, for for selectively generating a sequence of pulses at said third clock signal frequency, in timed relation with the lagging edge of each pulse of a chosen one of said first and second clock signals, said chosen one of said first and second clock signals being in accordance with the control signals applied to said first logic means; gating means responsive to said first, second and fourth clock signals, and mode control signals and a mark enable signal applied thereto, for selectively providing, in accordance with said mode control signals, first or second output signals respectively indicative of said telephone number digits and said data bytes, said telephone number digits being represented by a number of pulses of said first clock signal, delineated by an absence of pulses during a predetermined period corresponding to predetermined number of cycles of said first clock signal, and said data bytes being represented by bursts of said fourth clock signal during periods defined by a number of pulses of said second clock signal, delineated by an absence of pulses during a predetermined period corresponding to a predetermined number of cycles of said second clock signal;
Claim 16
Dependent Claim 300 words
Claim 12 cont'd a first counter means, responsive to a first of said timing pulses and to a signal indicative of said mark enable signal for selectively accumulating a count indicative of the number of pulses provided by said gating means; comparator means, cooperating with said first counter means and responsive to said translated information bytes and a second timing pulse subsequent to said first timing pulse, for comparing said accumulated count and said translated information byte after each time said first counter means is incremented, and generating said mark enable signal during periods when said accumulated count is less than the value of said translated information byte and a space enable signal when said first counter means accumulated count is equal to said translated information byte value, said first counter means being reset in response to generation of said space enable signal; second counter means, responsive to said space enable signal, a signal indicative of said mode control signals and said first timing pulse for generating respective control signals to said com-parator means to effect regeneration of said mark enable signal after a predetermined time period corresponding to said predetermined number of cycles of said chosen one of said first and second clock signals; sync detector means, responsive to said instruction signals for generating a good sync signal indicative of reception of a proper sync signal transmitted from said central complex in acknowledge-ment of a completed telephone connection; means, responsive to said good sync signal, for effecting a data transmission to said central complex, said data transmission including a portion indicative of the identity of said remote unit and a portion indicative of said cumulative indicia of said parameter; and said central complex generating said instruction signals to said remote unit in response to reception of said data transmission.
Claim 17
Dependent Claim 84 words
The remote unit of claim 12 wherein said instruction input means comprises: input byte decoder means, responsive to serial instruction signals applied thereto, for generating sequential parallel instruction bytes and instruction byte control signals indicative thereof, said instruction bytes including representations of said desired callback time; and instruction data register means, responsive to said instruction bytes and instruction byte control signals, and a clock signal applied thereto, for storing said instruction bytes and generating said respective control signals in accordance with said instruction bytes.
Claim 18
Dependent Claim 81 words
The remote unit of claim 12 wherein said instruction signals include respective portions representative of a parameter threshold value, and a sampling period and said remote unit further includes; first counter means, responsive to signals indicative of said parameter for selectively accumu-lating a count indicative of said parameter during said sampling periods; and comparator means, for comparing said count to said parameter threshold value and upon an unfavorable comparison generating a comparison signal to effect a control of a predetermined device.
Claim 19
Dependent Claim 70 words
The remote unit of claim 14 further including: consumer over-ride means, for generating an over-ride signal to decontrol said predetermined device; and second counter means, receptive of signals indicative of said parameter, said over-ride signal and said comparison signal, for selectively accumu-lating a premium count indicative of said parameter during periods when control of said predetermined consuming appliance is over-ridden, said data transmission including portion representative of said premium count.
Claim 20
Dependent Claim 41 words
The remote unit of claims 14 or 15 further including: means, responsive to said comparison signal for selectively controlling in predetermined sequence further devices upon successive unfavorable comparisons, and for decontrolling said consuming appliances in predetermined sequence upon subsequent favorable comparisons.
Claim 21
Dependent Claim 210 words
The remote unit of claim 12 wherein said instruction signals include portions represen-tative of a sampling period and said remote unit further includes: counter means, responsive to signals indicative of said parameter and reset signals applied thereto, for selectively accumulating a count indicative of consumption during said sampling periods; a storage register, coupled to said counter means, and responsive to load signals applied thereto for selectively storing said count; and comparator means, for comparing said count and the contents of said storage register, upon an unfavorable comparison, generating a comparison signal to effect loading of said storage register with said count. 18. In a system wherein a remote unit periodically communicates information relating to a metered parameter to a central complex, said communi-cation being effected through a telephone system, said remote unit being coupled to telephone lines, a remote unit comprising: index register means, responsive to signals indicative of said metered parameter, for accumulating said information relating to said membered parameter; memory means, for storing indicia of the telephone number of said central complex and indicia of said remote unit identity; line test means, responsive to a callback command signal applied thereto, for testing said telephone line and generating a line availability signal indicative of the availability of said line;
Claim 22
Dependent Claim 465 words
Claim 18 cont'd means, responsive to said line availability signal for generating a start dial mode signal if said line is available, and if not available, effecting a further testing of said telephone line after a prede-termined period; output means for generating signals through said telephone system to said central complex, said output means including dialing means, cooperating with said memory means and responsive to sail start dial mode signal, for sequentially generating signals indicative of the respective digits of said stored telephone number and effectively addressing said telephone number digits to said telephone system; said output means further including data output means, responsive to a signal indicative of a completed telephone connection to said central complex, for sequentially generating sequential data signals indicative of said stored indicia of remote unit identity and said accumulated information and communicating said stored indicia and said accumulated information to said central station through said telephone system; error code processor means, for generating an error code from sequential signals applied thereto, said sequential data signals being applied to said error code generator means to develop a data word error code, signals representative of said data word error code being applied to said data output means for communicating to said central complex; and instruction input means, receptive of sequential instruction signals indicative of an instruction word through said telephone system from said central complex, for storing indicia of said instruction word, and generating respective control signals in accordance with said instruction word; said instruction word including indicia of a desired callback time and indicia of an instruction word error code; said instruction input means including real time clock means for providing an indicia of real time, and first comparator means, responsive to signals indicative of said desired callback time and the instantaneous real time, for generating said callback command signal upon occurrence of said desired callback time; said sequential instruction signals also being applied to error code processor means to produce a derived error code for said instruction word; said error code processor means including second comparator means, responsive to signals indicative of said instruction word error code and signals indicative of said derived error code, for generating a bad error code signal when said instruc-tion word error code and said derived error code compare unfavorably to effect a further callback to said ventral complex after a predetermined time period. 19. In a system wherein a remote unit periodically communicates information relating to a given parameter to a central complex, said communi-cations being effected through a telephone system, the remote unit comprising: index register means, responsive to signals indicative of said parameter, for accumulating said information relating to said parameter; memory means, for storing indicia of the telephone number of said central complex and indicia of said remote unit identity;
Claim 23
Dependent Claim 244 words
Claim 19 cont'd means, responsive to a callback command signal applied thereto, for generating a start dial mode signal; output means for generating signals through said telephone system to said central complex, said output means including dialing means, cooperating with said memory means and responsive to said start dial mode signal, for sequentially generating signals indicative of the respective digits of said stored telephone number and addressing said telephone number digits to said telephone system to effect a telephone connection between said remote unit and said central complex; said output means further including data. output means responsive to a signal indicative of a completed telephone connection to said central complex, for sequentially generating sequential data signals indicative of said stored indicia of remote unit identity and said accumulated information, and communicating said stored indicia and said accumulated information to said central complex through said telephone system; instruction input means, receptive of sequential instruction signals indicative of an instruction word through said telephone system from said central complex; means for storing indicia of said instruc-tion word, and generating respective control signals in accordance with said instruction word, said instruction word including indicia of a desired callback time; and said instruction word means including real time clock means for providing an indicia of real time and first comparator means, responsive to signals indicative of said desired callback time and the instantaneous real time, for venerating said callback command signals upon occurrence of said desired callback time.
Claim 24
Dependent Claim 275 words
The remote unit of claim 18 wherein said sequential instruction signals comprise respective sequential groupings of bursts of a predetermined modulation frequency signal, said signal bursts being of a duration and spacing in accordance with a predetermined data frequency signal, said trouping being representative of respective bytes of said instruction word and separated by an absence of said bursts for a period corresponding to predetermined number of cycles of said data frequency signal, and said instruction input means comprises: demodulator means, responsive to said signal bursts for generating demodulation signals indicative of the corresponding pulses of said data frequency signal; pulse counter means, responsive to said demodulated signals and a reset signal applied thereto for accumulating an instruction byte count indicative of the number of pulses in the respective sequential grouping; end-of-byte detector means, responsive to said demodulated signal, for detecting absence of pulses over said predetermined number of cycles of said data frequency signal, and generating sequential end-of-byte timing signals indicative of said detected absence; instruction byte control means, responsive to a firs of said sequential end-of-byte timing signals, for generating an instruction byte control signal indicative of the relative placement of the instruction word byte represented by said instruction byte count within said instruction word; a subsequent of said end-of-timing signals being applied as said reset signal to said instruction byte counter means, to facilitate accumulation of the instruction byte count indicative of the next succes-sive sequential grouping; instruction byte storage means, associated with respective instruction word bytes and respon-sive to said instruction word byte control signals for storing indicia of the instruction byte count corresponding to the associated respective instruction word bytes.
Claim 25
Dependent Claim 317 words
The remote unit of claim 20 wherein said instruction ward. includes bytes representative of the real time minutes and hours at which the instruction word is generated wherein said real time clock means comprises: presettable counter logic, preset with said bytes representative of said instruction word bytes representative of said real time minutes and hours and incremented by a clack signal applied thereto; and said instruction byte storage means includes a callback time register for storing said bytes representative of said desired callback time; said presettable counter logic and said callback time register providing input signals to said comparator means. 22. The remote unit of claim 18 wherein said index register means comprises counter responsive to signals indicative of said metered parameter and means for controllably providing output signals indicative of the contents of said counter and wherein said remote unit further comprises auxiliary index register means, responsive to control signals applied thereto, and selectively responsive to signals indicative of said metered parameter, and signals indicative of the most significant bit of said first index register means counter register means, for selectively accumulating information relating to said metered parameter, said second index register means comprising: first gating means, for selectively providing output signals indicative of said signals indicative of said parameter or said signals indica-tive of said most significant bit of said first register means counter, in accordance with control signals thereto; second counter means, responsive to said first gating means output signal and a reset signal applied thereof for accumulating a count indicative of said first gating means output signal; second gating means, responsive to control signals applied thereto for selectively providing an output signal alternatively indicative of said metered parameter or indicative of the most significant bit of said second counter means; third counter means, responsive to said second gating means output signal for accumulating a count indicative of said second gating means output signal;
Claim 26
Dependent Claim 199 words
Claim 22 cont'd Q resister means, cooperating with said second counter means, responsive to signals indicative of said instruction word, and control signals applied thereto for controllably storing indicia of a chosen. one of a predetermined portion of said instruction word or indicia of the contents of said second counter means, in accordance with the control signals applied thereto; pulse generator means, responsive to a sample command signal, and control signals applied thereto, for controllably generating first and second sequential timing pulses in response to each sample command signal; control logic means, selectively respon-sive to said first timing pulse or a comparison signal in accordance with control signals applied thereto, for controllably generating load command control signals to said Q register means; third comparator means for comparing the contents of said second counter means and Q register means, and generating said comparison signal upon an unfavorable comparison; means, responsive to said comparison signal for selectively effecting control of designated apparatus; and means, for controllably providing output signals indicative of the convents of said Q register means and the contents of said third counter means; said second timing pulse being applied as said reset signal to said second counter means.
Claim 27
Dependent Claim 231 words
The remote unit of claim 18 wherein said instruction word contains indicia of a desired operational mode and indicia of time periods during which said desired operational mode is to be effected and said instruction input means includes means, responsive to signals indicative of said indicia of said time periods during which said desired operational mode is to be effected, for selectively enabling a portion of said index register means during said time periods. 24. The remote unit of clam 18 or 19 wherein said instruction word contains indicia of a desired operational mode indicia of a threshold value, and indicia of designated time periods during which said desired operational mode is to be effected; and said instruction input means including means responsive to signals indicative of said indicia of a desired operation mode, for generating respective DMD mode, L-M mode, and sample command signals, and means responsive to signals indicative of said indicia of said designated time periods for generating an ENB signal during said designated time periods; and said index register means includes first gating means, responsive to signals indicate of said metered parameter and said ENB signal, for providing output signals indicative of said parameter during said time periods; first counter means, responsive to said fist gating means output signal and a reset signal applied thereto, for accumulating a count indicative of said first gating means output signal;
Claim 28
Dependent Claim 719 words
Claim 24 cont'd pulse generator means, responsive to said sample command signal, for generating sequences of timing pulses at sampling intervals in accordance with said sample command signal; Q register means, cooperating with said first counter and said instruction input means and responsive to said L-M mode control signal, a first one of said pulse generator timing pulses, and a comparison signal applied thereto, for controllably storing indicia of said threshold value, or said first counter means count in accordance with said L-M mode control signal; third comparator means, for comparing the indicia stored in said Q register means with said first counter means count at said sampling intervals and generating said comparison signal upon an unfavorable comparison; said Q register means including means, responsive to said DMD signal and said comparison signal, for effecting storing of said first counter means count in response to said comparison signal; said index register means further comprising load control means, responsive to said L-M signal and said comparison signal and a consumer over-ride signal for selectively effecting control designated apparatus in response to unfavorable comparisons; said load control means releasing control of said designated apparatus in response to said consumer over-ride signal; second gating means, responsive to signals indicative of said metered parameter, said L-M control signal, and a consumer over-ride signal, for selectively generating an output signal indicative of said metered parameter during load management over-ride time periods in accordance with said consumer over-ride signal; second counter means, for generating a count indicative of said second gating means output signal; and means for controllably providing output signals indicative of the indicia stored in said Q register means and said second register count. 25. The remote unit of claim 18 or 19 wherein said output means comprises: means for providing first, second, third and fourth clock signals, each of said clock signals comprising a train of pulses having leading and lagging edges and recurring at respective predeter-mined frequencies; means for selectively generating sequential information byte signals, said information byte signals including a predetermined number of bytes representa-tive of the respective digits of said stored telephone number, and a predetermined number of data bytes representative of said stored indicia of identity and said information accumulated by said index register means; means, responsive to said information byte signals for generating translated information byte signals whereby each information byte is represented by a translated information byte having a value at least equal to one; clock selection logic means responsive to said first, second and third clock signals, said start dial mode signal and said signal indicative of a completed telephone connection, for selectively venerating mode control signals and generating a sequence of pulses at said third clock signal frequency, in timed relation with the lagging edge of each pulse Claim 25 cont'd of a chosen one of said first and second clock signals, said chosen one of said first and second clock signals and said mode control signals being in accordance with said start dial mode signal and said signal indicative of a completed telephone connection; output gating means, responsive to said first, second and fourth clock signals and mode control signals and a mark enable signal applied thereto, for selectively providing, in accordance with said mode control signals, first or second output signals respectively indicative of said telephone number digits and said data bytes, said telephone number digits being represented by a number of pulses of said first clock signal, delineated by an absence of pulses during a predetermined period corresponding to a predetermined number of cycles of said first clock signal, and said data bytes being represented by bursts of said fourth clock signal during periods defined by a number of pulses of said second clock signal, delineated by an absence of pulses during a predetermined period corresponding to a predetermined number of cycles of said second clock signal; mark counter means, responsive to a first of said timing pulses and to a signal indicative of said mark enable signal for selectively accumulating a mark count indicative of the number of pulses provided by said output gating means; mark comparator means, cooperating with said mark counter means and responsive to said translated information bytes and a second timing pulse subsequent to said first timing pulse, for comparing said accumulated mark count and said
Claim 29
Dependent Claim 205 words
Claim 25 cont'd translated information byte after each time said first counter means is incremented, and generating said mark enable signal during periods when said accumulated mark count is less than the value of said translated information byte and a space enable signal when said accumulated mark count is equal to said translated information byte value, said mark counter means being. reset in response to generation of said space enable signal; space counter means, responsive to said space enable signal, a signal indicative of said mode control signals and said first timing pulse for generating respective control signals to said mark comparator means to effect regeneration of said mark enable signal after a predetermined time period corresponding to said predetermined number of cycles of said chosen one of said first and second clock signals; said mark enable signal enabling the generation of said first or second output signals by said output gating means, whereby said telephone number digits are represented by a number of said first clock signal pulses corresponding to the value of the associated translated information byte and said data bytes are represented by a number of bursts of said fourth clock signal corresponding to the value of the associated translated information byte.
Claim 30
Dependent Claim 157 words
The remote unit of claim 19 further including: error code processing means, for generating an error code from sequential signals applied thereto, said sequential data signals being applied to said error code generator means to develop a data word error code, signals representative of said data word error code being applied to said data output means for communicating to said central complex; said instruction word including indicia of an instruction word error code; and said sequential instruction signals also being applied to error code processor menas to produce a derived error code for said instruction word; said error code processor means including second comparator means, responsive to signals indicative of said instruction word error code and signals indicative of said derived error code, for generating a bad error code signal when said instruc-tion word error code and said derived error code compare unfavorably to effect a further callback to said central complex after a predetermined time period.
Claim 31
Dependent Claim 79 words
The remote unit of claims 18 or 26 wherein said sequential data signals and said sequen-tial instruction signals comprise sequential bytes of predetermined bit length, and said error code processor means comprises: a longitudinal redundancy code (LRC) generator; means for selectively applying the least significant bits of said sequential bytes to said BCH code generator and the remaining bits to said LRC generator; and said LRC and said BCH code generator being selectively coupled to said second comparator means.
Claim 32
Dependent Claim 220 words
In a system for monitoring a parameter of the type comprising a remote unit cooperating with a sensor for providing signals indicative of said parameter and a read out unit, the improvement wherein said remote unit comprises: means for selectively connecting said-remote unit to said read out unit for generating instruction signals to said remote unit; first index register means, responsive to signals indicative of said parameter for generating cumulative indicia of said parameter; instruction input means, responsive to said instruction signals from said instruction unit and a clock signal, for storing representations of said instruction signals and generating respective control signals in accordance therewith; means, for selectively generating a callback signal in response to connection of said remote unit to said read out unit; sync detector means, responsive to said instruc-tion signals for generating a good sync signal indicative of reception of a proper sync signal transmitted from said read out unit is acknowledgement of a completed connection; means, responsive to said good sync signal, for effecting a data transmission to said reader unit, said data transmission including a portion indicative of the identity of said remote unit and a portion indica-tive of said cumulative indicia of said parameter; and said reader unit generating said instruction signals to said remote unit in response to reception of said data transmission.
Claim 33
Dependent Claim 220 words
In a system for monitoring a parameter of the type comprising a remote unit cooperating with a sensor for providing signals indicative of said parameter and a read out unit, the improvement wherein said remote unit comprises: means for selectively connecting said-remote unit to said read out unit for generating instruction signals to said remote unit; first index register means, responsive to signals indicative of said parameter for generating cumulative indicia of said parameter; instruction input means, responsive to said instruction signals from said instruction unit and a clock signal, for storing representations of said instruction signals and generating respective control signals in accordance therewith; means, for selectively generating a callback signal in response to connection of said remote unit to said read out unit; sync detector means, responsive to said instruc-tion signals for generating a good sync signal indicative of reception of a proper sync signal transmitted from said read out unit is acknowledgement of a completed connection; means, responsive to said good sync signal, for effecting a data transmission to said reader unit, said data transmission including a portion indicative of the identity of said remote unit and a portion indica-tive of said cumulative indicia of said parameter; and said reader unit generating said instruction signals to said remote unit in response to reception of said data transmission.
Claim 34
Dependent Claim 30 words
The remote unit of claim 12 further including display means, responsive to slid cumulative indicia of said data and control signals applied thereto, for controllably generating indicia of consumer billing.
Claim 35
Dependent Claim 56 words
The apparatus of claim 10 further includ-ing: input means, for generating signals indicative of additional data; and means, responsive to signals indicative of said additional data for storing indicia of additional data; signals representative of said stored additional data being transmitted with said signals representative of said identity indicia and status indicia to said central complex.
Claim 36
Dependent Claim 81 words
The remote unit of claim 28 wherein said instruction signals include respective portions re-presentative of a parameter threshold value, and a sampling period and said remote unit further includes: first counter means, responsive to signals indicative of said parameter for selectively accumulating a count indicative of said parameter during said sampling periods; and comparator means, for comparing said count to said parameter threshold value and upon an unfavorable comparison generating a comparison signal to effect a control of a predetermined device.
Claim 37
Dependent Claim 70 words
The remote unit of claim 31 further including: consumer over-ride means, for generating an over-ride signal to decontrol said predetermined device; and second counter means, receptive of signals indicative of said parameter, said over-ride signal and said comparison signal, for selectively accumulating a premium count indicative of said parameter during periods when control of said predetermined consuming appliance is over-ridden, said data transmission including portion representative of said premium count.
Claim 38
Dependent Claim 41 words
The remote unit of claims 31 and 32 further including: means, responsive to said comparison signal for selectively controlling in predetermined sequence further devices upon successive unfavorable comparisons, and for decontrolling said consuming appliances in pre-determined sequence upon subsequent favorable comparisons.
Claim 39
Dependent Claim 101 words
The remote unit of claim 28 wherein said instruction signals include portions representative of a sampling period and said remote unit further includes: counter means, responsive to signals indica-tive of said parameter and reset signals applied thereto, for selectively accumulating a count indicative of consumption during said sampling periods; a storage register, coupled to said counter means, and responsive to load signals applied thereto for selectively storing said count; and comparator means, for comparing said count and the contents of said storage register, upon an unfavor-able comparison, generating a comparison signal to effect loading of said storage register with said count.
Claim 40
Dependent Claim 33 words
The remote unit of claim 18 further including display means, responsive to signals indica-tive of said accumulated information of said data and control signals applied thereto, for controllably generating indicia of consumer billing.
Claim 41
Independent Claim 14 words
The apparatus of claims 29 or 35 wherein said display means is a printer.
Claim 42
Dependent Claim 52 words
The remote unit of claims 18 or 19 further including: means, for generating additional information signals representative of additional information; means for storing indicia of said additional information; and means for selectively applying signals indica-tive of said stored additional data, to effect generation of sequential data signals indicative of said additional information.
Claim 43
Dependent Claim 50 words
The remote unit of claim 22 further including: means, for generating additional information signals representative of additional information; means, for storing indicia of said additional information; and means, for selectively applying signals in-dicative of said stored additional data, to effect generation of sequential data signals indicative of said additional information.
Claim 44
Dependent Claim 79 words
The system of claim 11 adapted for moni-toring electrical power consumed over a power line where-in said sensor comprises a solid state meter including: means, for generating a signal indicative of current passing through the power line; means, for generating a signal indicative of voltage across the power line; and means, responsive to said signals indicative of current voltages, for generating a signal indicative of the product of said voltage and current to thereby provide indicia of power consumed.
Claim 45
Independent Claim 169 words
A method for monitoring and controlling a remote unit adapted for communicating data to a central complex through a non-dedicated telephone line, said central complex having a telephone number assigned thereto, said method comprising the steps of: deriving and storing information within said remote unit; selectively controlling, responsive to signals indica-tive of real time occurrence, at least a portion of said remote unit so as to selectively seize said telephone line at a prede-termined real time; generating signals onto said telephone line representa-tive of said central complex telephone number to thereby address said central complex and effect a communication connection therewith; generating at the remote unit onto said telephone line, responsive to acknowledgement signals received from said central complex, coded signals indicating the identity of said remote unit and said stored information; and receiving and storing at the remote unit subsequent signals from said central complex including indicia of the current real time and of the next predetermined real time at which the foregoing steps are to be repeated.
Claim 46
Independent Claim 169 words
A method for monitoring and controlling a remote unit adapted for communicating data to a central complex through a non-dedicated telephone line, said central complex having a telephone number assigned thereto, said method comprising the steps of: deriving and storing information within said remote unit; selectively controlling, responsive to signals indica-tive of real time occurrence, at least a portion of said remote unit so as to selectively seize said telephone line at a prede-termined real time; generating signals onto said telephone line representa-tive of said central complex telephone number to thereby address said central complex and effect a communication connection therewith; generating at the remote unit onto said telephone line, responsive to acknowledgement signals received from said central complex, coded signals indicating the identity of said remote unit and said stored information; and receiving and storing at the remote unit subsequent signals from said central complex including indicia of the current real time and of the next predetermined real time at which the foregoing steps are to be repeated.
Claim 47
Dependent Claim 228 words
41, In a system for remotely monitoring consumption of the type comprising a remote unit cooperating with a consumption meter and a central complex, said central complex and said remote unit being adapted for selective interconnection by a telephone system, the improvement wherein said remote unit comprises: register means, responsive to signals indicative of comsuption and register control signals applied thereto, for selectively generating indicia of cumulative comsumprion; instruction input means, responsive to instruction signals applied thereto and a clock signal, for storing representations of said instruction signals and generating respective control signals in accordance therewith; said control signals including a callback control signal indicative of the occurrence of a desired callback time and said register control signals; means, responsive to said callback control signal, for generating selection signals to said telephone system to effect a telephone call from said remote unit to said central complex; sync detector means, responsive to said instruction signals, for generating a local said signal indicative of reception of a proper sync signal transmitted from said central complex in acknowledgement of a completed telephone connection; means, responsive to said local sync signal, for effecting a da a transmission to said central complex, said data transmission including signals indicative of said indicia of cumulative consumption; said central complex generating said instruction signals to said remote unit in response to reception of said data transmission.
Claim 48
Dependent Claim 228 words
41, In a system for remotely monitoring consumption of the type comprising a remote unit cooperating with a consumption meter and a central complex, said central complex and said remote unit being adapted for selective interconnection by a telephone system, the improvement wherein said remote unit comprises: register means, responsive to signals indicative of comsuption and register control signals applied thereto, for selectively generating indicia of cumulative comsumprion; instruction input means, responsive to instruction signals applied thereto and a clock signal, for storing representations of said instruction signals and generating respective control signals in accordance therewith; said control signals including a callback control signal indicative of the occurrence of a desired callback time and said register control signals; means, responsive to said callback control signal, for generating selection signals to said telephone system to effect a telephone call from said remote unit to said central complex; sync detector means, responsive to said instruction signals, for generating a local said signal indicative of reception of a proper sync signal transmitted from said central complex in acknowledgement of a completed telephone connection; means, responsive to said local sync signal, for effecting a da a transmission to said central complex, said data transmission including signals indicative of said indicia of cumulative consumption; said central complex generating said instruction signals to said remote unit in response to reception of said data transmission.
Claim 49
Dependent Claim 213 words
In a system of the type including a central complex and a remote unit, said central complex and said remote unit being adapted for selective communication by a telephone system at selected real times, the improvement wherein said remote unit comprises: means, responsive to communications received from said central complex, for updating and storing indicia of real time and of at least one selected real time for call back to the central complex; means, responsive to said real time indicia, for generating a control signal indicative of the occurrence of said selected real time; means, responsive to said control signal, for selec-tively effecting a telephone connection to said central complex, said complex transmitting further communications to said remote unit in response to said connection for updating and storing said indicia of real time. 43. Apparatus adapted for operative connection into a telephone system and for automatic communication to a central complex through said telephone system, said central complex having a predetermined telephone number assigned thereto, said apparatus comprising: means for deriving information concerning the operation of said apparatus; memory means for storing indicia of said information means for receiving and storing instruction signals from said central complex, said instruction signals including indicia of a desired callback time and indicia of at least one
Claim 50
Dependent Claim 213 words
In a system of the type including a central complex and a remote unit, said central complex and said remote unit being adapted for selective communication by a telephone system at selected real times, the improvement wherein said remote unit comprises: means, responsive to communications received from said central complex, for updating and storing indicia of real time and of at least one selected real time for call back to the central complex; means, responsive to said real time indicia, for generating a control signal indicative of the occurrence of said selected real time; means, responsive to said control signal, for selec-tively effecting a telephone connection to said central complex, said complex transmitting further communications to said remote unit in response to said connection for updating and storing said indicia of real time. 43. Apparatus adapted for operative connection into a telephone system and for automatic communication to a central complex through said telephone system, said central complex having a predetermined telephone number assigned thereto, said apparatus comprising: means for deriving information concerning the operation of said apparatus; memory means for storing indicia of said information means for receiving and storing instruction signals from said central complex, said instruction signals including indicia of a desired callback time and indicia of at least one
Claim 51
Dependent Claim 210 words
Claim 43 cont'd. predetermined period; clock means for providing a clock signal indicative of real time; means, responsive to said clock signal and said stored indicia of said predetermined time period for generating signals indicative of real time occurrence of said predetermined period; means, responsive to said signals indicative of real time occurrence of said predetermined period, for selectively controlling operation of at least a portion of said apparatus, means for storing indicia of central complex telephone number and indicia of the identity of said apparatus; means, responsive to said clock signal and desired callback time indica, for generating a callback control signal upon real time occurrence of said desired callback time; means, responsive to said callback control signal and said stored indicia of said central complex telephone number, for selectively seizing a telephone line in said telephone system and generating signals onto said telephone line representative of said central complex telephone number to address said central complex; means, responsive to said stored indicia of said iden-tity and said stored indicia of said information and to signals received from said central complex indicative of a completed connection to said central complex, for transmitting signals representative of said identity indicia and information indicia over said telephone lines to said central complex.
Claim 52
Independent Claim 121 words
A method for remote monitoring of sensors adapted for automatic communication with a central complex through a telephone line, said central complex having a telephone number assigned thereto, comprising the steps of: maintaining, in said unit, indicia of real time; responsive to said indicia of real time, selectively seizing said telephone line at a predetermined real time; generating signals onto said telephone line repre-sentative of said central complex telephone number to address said central complex; generating, responsive to acknowledgement signals from said central complex, coded signals indicative of the identity of said sensors and data indicative of the status of said sensors; and responsive to subsequent signals from said central complex indicative of real time, updating said indicia of real time.
Claim 53
Independent Claim 121 words
A method for remote monitoring of sensors adapted for automatic communication with a central complex through a telephone line, said central complex having a telephone number assigned thereto, comprising the steps of: maintaining, in said unit, indicia of real time; responsive to said indicia of real time, selectively seizing said telephone line at a predetermined real time; generating signals onto said telephone line repre-sentative of said central complex telephone number to address said central complex; generating, responsive to acknowledgement signals from said central complex, coded signals indicative of the identity of said sensors and data indicative of the status of said sensors; and responsive to subsequent signals from said central complex indicative of real time, updating said indicia of real time.
Claim 54
Dependent Claim 32 words
The method of claim 44 further including the step of: receiving and storing subsequent signals from said central complex indicative of the time of the next scheduled seizure of said telephone line.
Claim 55
Dependent Claim 61 words
The method of claim 40 wherein said selectively seizing step includes: testing said telephone line at said predetermined delay and responsively generating a line availability signal; responsive to indicia of line non-availability, waiting a first predetermined delay period, then retesting said telephone line and responsively generating said line availability signal; and responsive to indicia of line availability, seizing said telephone line.
Claim 56
Dependent Claim 56 words
The method of claim 46 wherein said selectively seizing step further includes the steps of: counting the number of retests of said telephone lines; and after a predetermined number of said retests, waiting a second predetermined delay period, then repeating said retest step, said second predetermined delay period being longer than said first predetermined delay period.
Claim 57
Dependent Claim 128 words
The method of claim 40 wherein said subsequent signals from said central complex include an error code portion in accordance with the other portions of said subsequent transmission and said receiving and storing step includes receiving and storing said subsequent transmission error code portion, said method further including the steps of: independently deriving said error code in said sensor from said other portions of said subsequent transmission; comparing said derived error code to said transmission error code portion, and responsively generating indicia of said error code comparison; and responsive to indicia of an unfavorable error code comparison, releasing said telephone line, then after a first predetermined period of time, repeating in sequence at least said selectively seizing step, said generating signal steps, and said receiving and storing step.
Claim 58
Dependent Claim 62 words
The method of claim 48 further comprising the step of detecting if said error code portion of said subsequent trans-mission is not received within a second predetermined time period after said generating coded signals step is initiated and responsively releasing said telephone line and repeating in sequence at least said selectively seizing step, said generating steps, and said receiving and storing step.
Claim 59
Independent Claim 170 words
A method for remote monitoring of a parameter wherein a remote unit communicates with a central complex through a telephone line comprising the steps of: generating, in said remote unit, indicia of said parameter; generating, from stored representations of instruction signals transmitted by telephone from said central complex in response to the last previous communication from the remote unit, a callback signal indicative of the occurrence of a desired callback time; generating in said remote unit, responsive to said callback signal, signals on said telephone line to effect a telephone connection between said remote unit and said central complex; effecting, responsive to a signal from said central complex indicative of a completed telephone connection, a data transmission including indicia of the identity of said remote nit and a representation of said indicia of said parameter; and receiving and storing instruction signals from said central complex in response to said data transmission, said instruction signals including indicia of the current real time, or facilitating the next generation of said callback signal.
Claim 60
Independent Claim 170 words
A method for remote monitoring of a parameter wherein a remote unit communicates with a central complex through a telephone line comprising the steps of: generating, in said remote unit, indicia of said parameter; generating, from stored representations of instruction signals transmitted by telephone from said central complex in response to the last previous communication from the remote unit, a callback signal indicative of the occurrence of a desired callback time; generating in said remote unit, responsive to said callback signal, signals on said telephone line to effect a telephone connection between said remote unit and said central complex; effecting, responsive to a signal from said central complex indicative of a completed telephone connection, a data transmission including indicia of the identity of said remote nit and a representation of said indicia of said parameter; and receiving and storing instruction signals from said central complex in response to said data transmission, said instruction signals including indicia of the current real time, or facilitating the next generation of said callback signal.
Claim 61
Dependent Claim 18 words
The method of claim 50 wherein said instruction signals further include indicia of a next desired callback time.
Claim 62
Dependent Claim 223 words
In a system for remotely monitoring consumption of the type comprising a remote unit cooperating with a consumption meter and a central complex, said central complex and said remote unit being adapted for selective interconnection by a telephone system, the improvement wherein said remote unit comprises; first register means, responsive to signals indicative of consumption, for generating indicia of cumulative consumption; instruction input means, responsive to instruction signals applied thereto and a clock signal, for storing representations of said instruction signals and generating respective control signals in accordance therewith; said instruction input means, including presettable real time counter means, for generating real time signals indicative of real time, said real time counter means being preset in accordance with said instruction signals; said instruction input means further including means, responsive to said real time signals, for generating a callback control signal indicative of the occurrence of a desired callback time; signal generating means, responsive to said callback control signal for generating dial signals to said telephone system to effect a telephone call from said remote unit to said central complex and for thereafter effecting a data transmission to said central complex, said data transmission including a portion indicative of said indicia of cumulative consumption; and said central complex generating said instruction signals to said remote unit in response to reception of said data transmission.
Claim 63
Dependent Claim 223 words
In a system for remotely monitoring consumption of the type comprising a remote unit cooperating with a consumption meter and a central complex, said central complex and said remote unit being adapted for selective interconnection by a telephone system, the improvement wherein said remote unit comprises; first register means, responsive to signals indicative of consumption, for generating indicia of cumulative consumption; instruction input means, responsive to instruction signals applied thereto and a clock signal, for storing representations of said instruction signals and generating respective control signals in accordance therewith; said instruction input means, including presettable real time counter means, for generating real time signals indicative of real time, said real time counter means being preset in accordance with said instruction signals; said instruction input means further including means, responsive to said real time signals, for generating a callback control signal indicative of the occurrence of a desired callback time; signal generating means, responsive to said callback control signal for generating dial signals to said telephone system to effect a telephone call from said remote unit to said central complex and for thereafter effecting a data transmission to said central complex, said data transmission including a portion indicative of said indicia of cumulative consumption; and said central complex generating said instruction signals to said remote unit in response to reception of said data transmission.
Claim 64
Dependent Claim 57 words
The system of claim 52 wherein said signal generating means includes: sync detector means responsive to said instruction signals for generating a good sync signal indicative of reception of a proper sync signal transmitted from said central complex in acknowledgement of a completed telephone connection; means, responsive to said good sync signal; for effecting said data transmission.
Claim 65
Dependent Claim 87 words
The remote unit of claim 41, 52, or 53 wherein said instruction input means comprises: input byte decoder means, responsive to serial instruc-tion signals applied thereto, for generating sequential parallel instruction bytes and instruction byte control signals indicative thereof, said instruction bytes including representations of said desired callback time; and instruction data register means, responsive to said instruction bytes and instruction byte control signals, and a clock signal applied thereto, for storing said instruction bytes and generating said respective control signals in accordance with said instruction bytes.
Claim 66
Dependent Claim 75 words
The remote unit of claim 52 wherein said instruction signals include respective portions representative of consumption threshold value, and sampling period and said remote unit further includes: first counter means, responsive to signals indicative of power consumption, for selectively accumulating a count indica-tive of consumption during said sampling periods; and comparator means, for comparing said count to said consumption threshold value and upon an unfavorable comparison signal to effect control of a predetermined consuming appliance.
Claim 67
Dependent Claim 75 words
The remote unit of claim 55 further including: consumer over-ride means, for generating an over-ride signal to effect release of control of said predetermined consuming appliance; and second counter means, receptive to signals indicative of power consumption, said over-ride signal and said comparison signal, for selectively accumulating a premium amount indicative of consumption during periods when a disabling of said predeter-mined consuming appliance is over-ridden, said data transmission including portion representative of said premium count.
Claim 68
Dependent Claim 42 words
The remote unit of claim 55 further including: means, responsive to said comparison signal, for selectively controlling in predetermined sequence further consulting appliances, upon successive unfavorable comparisons, and for releasing control of said consuming appliances in prede-termined sequence upon subsequent favorable comparisons.
Claim 69
Dependent Claim 113 words
The remote unit of claim 52 or 53 wherein said instruction signals include portions representative of a sampling period and said remote unit further includes: counter means, responsive to signals indicative of consumption and reset signals applied thereto, for selectively accumulating counts indicative of consumption during said sampling periods; a storage register, coupled to said counter means, and responsive to load signals applied thereto for selectively storing the instantaneous count in said counter means; and comparator means, for comparing the instantaneous count in said counter means and the contents of said storage register and upon an unfavorable comparison, generating a comparison signal to effect loading of said storage register with said instantaneous count.
Claim 70
Dependent Claim 56 words
The apparatus of claim 4 further including: input means for generating signals indicative of additional data; and means, responsive to signals indicative of said additional data for storing indicia of additional data; signals representative of said stored additional data being transmitted with said signals representative of said identity indicia And status indicia to said central complex-
Claim 71
Independent Claim 238 words
A system for remote monitoring of a sensors said monitoring system being of the type including a remote unit coupled to said sensor and a central computer, said remote unit and central computer both being adapted for connection into a telephone system, said monitoring system comprising: means in said remote unit for storing indicia of the status of said sensor; means, in said remote unit, for receiving and storing an instruction word transmitted from said central computer including a representation of a desired callback time and a real time update; means, in said remote unit and responsive to said real time update and said representation of a desired real time, for generating a callback control signal at said desired callback time; means, in said remote unit and responsive to said callback control signal, for establishing a telephone call from said remote unit to said central computer at said desired callback time; and means, in said remote unit and responsive to a first synchronization signal from said central computer indicative of a completed connection, for transmitting through said telephone system to said central computer a data word, said data word including a portion indicative of the identity of said remote unit and a portion representative of said stored indicia of the status of said sensor; said central computer, in response to successful reception of said data word, transmitting to said remote unit said instruction word through said telephone system.
Claim 72
Independent Claim 238 words
A system for remote monitoring of a sensors said monitoring system being of the type including a remote unit coupled to said sensor and a central computer, said remote unit and central computer both being adapted for connection into a telephone system, said monitoring system comprising: means in said remote unit for storing indicia of the status of said sensor; means, in said remote unit, for receiving and storing an instruction word transmitted from said central computer including a representation of a desired callback time and a real time update; means, in said remote unit and responsive to said real time update and said representation of a desired real time, for generating a callback control signal at said desired callback time; means, in said remote unit and responsive to said callback control signal, for establishing a telephone call from said remote unit to said central computer at said desired callback time; and means, in said remote unit and responsive to a first synchronization signal from said central computer indicative of a completed connection, for transmitting through said telephone system to said central computer a data word, said data word including a portion indicative of the identity of said remote unit and a portion representative of said stored indicia of the status of said sensor; said central computer, in response to successful reception of said data word, transmitting to said remote unit said instruction word through said telephone system.
Claim 73
Dependent Claim 79 words
The system of claim 60 adapted for monitoring electrical power consumed over a power line wherein said sensor comprises a solid state meter including: means, for generating a signal indicative of current passing through the power line; means, for generating a signal indicative of voltage across the power line; and means, responsive to said signals indicative of current voltages, for generating a signal indicative of the product of said voltage and current to thereby provide indicia of power consumed.
Claim 74
Dependent Claim 262 words
In a system for remotely monitoring a parameter, said system being of the type comprising a remote unit cooperating with a sensor for providing signals indicative of said parameter and a central complex, said central complex and said remote unit being adapted for selective interconnection through a telephone system, the improvement wherein said remote unit comprises: first index register means, responsive to signals indicative of said parameter, for generating cumulative indicia of said parameter; instruction input means, responsive to instruction signals applied thereto and a clock signal, for storing representations of said instruction signals and generating respective control signals in accordance therewith; said instruction input means including means, responsive to respective update signals from said central complex, for generating a callback control signal indicative of the occurrence of a desired callback time; means, responsive to said callback control signal for generating dial signals to said telephone system to effect a telephone call from said remote unit to said central complex; sync detector means, responsive to said instruction signals for generating a local sync signal indicative of reception of a proper sync signal transmitted from said central complex in acknowledgement of a completed telephone connection; and means, responsive to said local sync signal, and coupled to said first index register for effecting a data transmission to said central complex, said data transmission including a portion indicative of the identity of said remote unit and a portion indicative of said cumulative indicia of said parameter; said central complex generating said instruction signals to said remote unit in response to reception of said data transmission.
Claim 75
Dependent Claim 262 words
In a system for remotely monitoring a parameter, said system being of the type comprising a remote unit cooperating with a sensor for providing signals indicative of said parameter and a central complex, said central complex and said remote unit being adapted for selective interconnection through a telephone system, the improvement wherein said remote unit comprises: first index register means, responsive to signals indicative of said parameter, for generating cumulative indicia of said parameter; instruction input means, responsive to instruction signals applied thereto and a clock signal, for storing representations of said instruction signals and generating respective control signals in accordance therewith; said instruction input means including means, responsive to respective update signals from said central complex, for generating a callback control signal indicative of the occurrence of a desired callback time; means, responsive to said callback control signal for generating dial signals to said telephone system to effect a telephone call from said remote unit to said central complex; sync detector means, responsive to said instruction signals for generating a local sync signal indicative of reception of a proper sync signal transmitted from said central complex in acknowledgement of a completed telephone connection; and means, responsive to said local sync signal, and coupled to said first index register for effecting a data transmission to said central complex, said data transmission including a portion indicative of the identity of said remote unit and a portion indicative of said cumulative indicia of said parameter; said central complex generating said instruction signals to said remote unit in response to reception of said data transmission.
Claim 76
Dependent Claim 84 words
The remote unit of claim 62 wherein said instruction input means comprises: input byte decoder means, responsive to serial instruction signals applied thereto, for generating seguental parallel instruction bytes and instruction byte control signals indicative thereof, said instruction bytes including representations of said desired callback time; and instruction data register means, responsive to said instruction bytes, said instruction byte control signals and a clock signal applied thereto, for storing said instruction bytes and generating said respective control signals in accordance with said instruction bytes.
Claim 77
Dependent Claim 80 words
The remote unit of claim 62 wherein said instruction signals include respective portions representative of a parameter threshold value and a sampling period, and said remote unit further includes; first counter means, responsive to signals indicative of said parameter for selectively accumulating a count indicative of said parameter during said sampling periods; and comparator means, for comparing said count to said parameter threshold value and upon an unfavorable comparison generating a comparison signal to effect control of a predetermined device.
Claim 78
Dependent Claim 71 words
The remote unit of claim 64 further including: consumer over-ride means, for gene rating an over-ride signal to decontrol said predetermined device; and second counter means, receptive of signals indicative of said parameter, said over-ride signal and said comparison signal, for selectively accumulating a premium count indicative of said parameter during periods when control of said predetermined consuming appliance is over-ridden, said data transmission including portion representative of said premium count.
Claim 79
Dependent Claim 41 words
The remote unit of claims 64 or 65 further including: means, responsive to said comparison signal for selectively controlling in predetermined sequence further devices upon successive unfavorable comparisons, and for decontrolling said consuming appliances in predetermined sequence upon subsequent favorable comparisons.
Claim 80
Dependent Claim 222 words
The remote unit of claim 62 wherein said instruc-tion signals include portions representative of a sampling period and said remote unit further includes: counter means, responsive to signals indicative of said parameter and reset signals applied thereto, for selectively accumulating a count indicative of consumption during said sampling periods; a storage register, coupled to said counter means and responsive to load signals applied thereto, for selectively storing said count; and comparator means for comparing said count and the contents of said storage register, and upon an unfavorable comparison generating a comparison signal to effect loading of said storage register with said count. 68. In a system wherein a remote unit periodically communicates information relating to a given parameter to a central complex, said communications being effected through a telephone system, the remote unit comprising: index register means, responsive to signals indicative of said parameter, for accumulating said information relating to said parameter; memory means, for storing indicia of the telephone number of said central complex and indicia of said remote unit identity; means, responsive to a callback command signal applied thereto for generating a start dial mode signal; output means for generating signals through said telephone system to said central complex, said output means including dialing means, coupled to said memory means and responsive to said start dial mode signal, for sequentially
Claim 81
Dependent Claim 193 words
Claim 68 cont'd generating signals indicative of the respective digits of said stored telephone number digits to said telephone system to effect a telephone connection between said remote unit and said central complex; said output means further including data output means responsive to a signal indicative of a completed telephone connection to said central complex, for sequentially generating sequential data signals indicative of said stored indicia of remote unit identity and said accumulated information, and communicating said stored indicia and said accumulated information to said central complex through said telephone system; instruction input means, receptive of sequential instruction signals indicative of an instruction word through said telephone system from said central complex for storing indicia of said instruction word and generating respective control signals in accordance with said instruction word, said instruction word including indicia of a desired callback time; and said instruction input means including real time clock means, responsive to said instruction word, for providing an indicia of real time, and first comparator means, responsive to signals indicative of said desired callback time and the instantaneous real time, for generating said callback command signals upon occurrence of said desired callback time.
Claim 82
Dependent Claim 271 words
The remote unit of claim 64 wherein said sequential instruction signals comprise respective sequential groupings of bursts of a predetermined modulation frequency signal, said signal bursts being of a duration and spacing in accordance with a predetermined data frequency signal, said grouping being representative of respective bytes of said instruction word and separated by an absence of said bursts for a period corresponding to predetermined number of cycles of said data frequency signal, and said instruction input means comprises: demodulator means, responsive to said signal bursts, for generating demodulation signals indicative of the corresponding pulses of said data frequency signal; pulse counter means, responsive to said demodulated signals and a reset signal applied thereto, for accumulating an instruction byte count indicative of the number of pluses in the respective sequential grouping; end-of-byte detector means, responsive to said demodulated signal, for detecting absence of pulses over said predetermined number of cycles of said data frequency signal, and generating sequential end-of byte timing signals indicative of said detected absence; instruction byte control means, responsive to a first of said sequential end-of-byte timing signals, for generating an instruction byte control signal indicative of the relative placement of the instruction word byte represented by said instruction byte count within said instruction word; a subsequent of said end-of-timing signals being applied as said reset signal to said instruction byte counter means, to facilitate accumulation of the instruction byte count indicative of the next successive sequential grouping; instruction byte storage means, associated with respective instruction word bytes and responsive to said instruction word byte control signals, for storing counts corresponding to the associated respective instruction word bytes.
Claim 83
Dependent Claim 97 words
The remote unit of claim 69 wherein said instruc-tion word includes bytes representative of the real time minutes and hours at which the instruction word is generated, and said real time clock means comprises: presettable counter logic, preset with said instruction word bytes representative of said real time minutes and hours and incremented by a clock signal applied thereto; and said instruction byte storage means includes a callback time register f or storing said bytes representative of said desired callback time; said presettable counter logic and aid callback time register providing input signals to said comparator means.
Claim 84
Dependent Claim 204 words
The remote unit of claim 68 further including: means for generating additional information signals representative of additional information; means for storing indicia of said additional informa-tion; and means for selectively applying signals indicative of said stored additional data, to effect generation of sequential data signals indicative of said additional information. 72. The remote unit of claim 68 wherein said instruction word contains indicia of a desired operational mode indicia of a threshold value, and indicia of designated time periods during which said desired operational mode is to be effected; and said instruction input means includes means responsive to signals indicative of said indicia of a desired operation mode, for generating respective DMD mode, L-M mode, and sample command signals, means responsive to signals indicative of said indicia of said designated time periods for generating an ENB signal during said designated time periods; and said index register means includes first gating means responsive to signals indicative of said metered parameter and said ENB signal, for providing output signals indicative of said parameter during said time periods, first counter means, responsive to said first gating meaning output signal and a reset signal applied thereto, for accumulating a count indicative of said first gating means output signal;
Claim 85
Dependent Claim 408 words
Claim 72 cont'd pulse generator means, responsive to said sample command signal, for generating sequences of timing pulses of sampling intervals in accordance with said sample command signal; Q register means, cooperating with said first counter and said instruction input means and responsive to said L-M mode control signal, a first one of said pulse generator timing pulses, and a comparison signal applied thereto, for controllably storing indicia of said threshold value, or said first counter means count in accordance with said L-M mode control signal, third comparator means, for comparing the indicia stored in said Q register means with said first counter means count at said sampling intervals and generating said comparison signal upon an unfavorable a comparison; said Q register means including means, responsive to said DMD signal and said comparison signal, for effecting storing of said first counter means count in response to said comparison signal; said index register means further comprising load control means, responsive to said L-M signal and said comparison signal and a consumer over-ride signal for selectively effecting control of designated apparatus in response to unfavorable comparisons; said load control means releasing control of said designated apparatus in response to said consumer over-ride signal; second gating means, responsive to signals indicative of said metered parameter, said L-M control signal, and a consumer over-ride signal, for selectively generating an output signal indicative of said metered parameter during load management over-ride time periods in accordance with said consumer over-ride signal; second counter means, for generating a count indicative of said second gating means output signal; and means for controllably providing output signals indicative of the indicia stored in said Q register means and said second register count. 73. The remote unit of claim 68 wherein said output means comprises: means for providing first, second, third third fourth clock signals, each of said clock signals comprising a train of pulses having leading and lagging edges and recurring at respective predetermined frequencies; means for selectively generating sequential information byte signals, said information byte signals including a predetermined number of bytes representative of the respective digits of said stored telephone number, and a predetermined number of data bytes representative of said stored indicia of identity and said information accumulated by said index register means; means, responsive to said information byte signals, for generating translated information byte signals whereby each information byte is represented by a translated information byte having a value at least equal to one;
Claim 86
Dependent Claim 240 words
Claim 73 cont'd mark comparator means, cooperating with said mark counter means and responsive to said translated information bytes and a second timing pulse subsequent to said first timing pulse, for comparing said accumulated mark count and said translated information byte after each time said first counter means is incremented, and generating said mark enable signal during periods when said accumulated mark count is less than the value of said translated information byte and a space enable signal when said accumulated mark count is equal to said translated information byte value, said mark counter means being reset in response to generation of said space enable signal; space counter means, responsive to said space enable signal, a signal indicative of said mode control signals and said first timing pulse f or generating respective control signals to said mark comparator means to effect regeneration of said mark enable signal after a predetermined time period corresponding to said predetermined number of cycles of said chosen one of said first and second clock signals; said mark enable signal enabling the generation of said first or second output signals by said output gating means, whereby said telephone number digits are represented by a number of said first clock signal pulses corresponding to the value of the associated translated information byte and said bytes are represented by a number of bursts of said fourth clock signal corresponding to the value of the associated translated infor-mation byte.
Claim 87
Dependent Claim 415 words
The remote unit of claim 68 wherein said index register means comprises a counter responsive to signals indicative of said metered parameter and means for controllably providing output signals indicative of the contents of said counter and wherein said remote unit further comprises auxiliary index register means, responsive to control signals applied thereto, and selectively responsive to signals indicative of said metered parameter, and signals indicative of the most significant bit of said first index register means counter register means, for selectively accumulating information relating to said metered parameter, and second index register means comprising: first gating means, for selectively providing output signals indicative of said signals indicative of said parameter or said signals indicative of said most significant bit of said first register means counter, in accordance with control signals thereto; second counter means, responsive to said first gating means output signal and a reset signal applied thereto, for accumulating a count indicative of said first gating means output signal; second gating means, responsive to control signals applied thereto, f or selectively providing an output signal alternatively indicative of said metered parameter or indicative of the most significant bit of said second counter means; third counter means, responsive to said second gating means output signal for accumulating a count indicative of said second gating means output signal; Q register means, cooperating with said second counter means and responsive to signals indicative of said instruction word and control signals applied thereto, for controllably storing indicia of a chosen one of a predetermined portion of said instruction word or indicia of the contents of said second counter means, in accordance with the control signals applied thereto; pulse generator means, responsive to a sample command signal, and control signals applied thereto, for controllably generating first and second sequential timing pulses in response to each sample command signal; control logic means, selectively responsive to said first timing pulse or a comparison signal in accordance with control signals applied thereto, for controllably generating load command control signals to said Q register means; third comparator means for comparing the contents of said second counter means and Q register means, and generating said comparison signal upon an unfavorable comparison; means, responsive to said comparison signal, for selectively effecting control of designated apparatus; and means for controllably providing output signals indicative of the contents of said Q register means and the contents of said third counter means; said second timing pulse being applied as said reset signal to said second counter means.
Claim 88
Dependent Claim 99 words
The remote unit of claim 72, further including: means, for generating additional information signals representative of additional information; means, for storing indicia of said additional information; and means, for selectively applying signals indicative of said stored additional data, to effect generation of sequential data signals indicative of said additional information. 76. The system of claim 52 wherein said instruction input means further includes presettable period registes means, responsive to said instruction word for storing indicia in said instruction word of a desired operational status of at least a portion of said remote unit; and said remote unit further comprises:
Claim 89
Dependent Claim 304 words
Claim 76 cont'd clock selection logic means responsive to said first, second and third clock signals, said start dial mode signal and said signal indicative of a completed telephone connection, for selectively generating mode control signals and generating a sequence of pulses at said third clock signal frequency, in timed relation with the lagging edge of each pulse of a chosen one of said first and second clock signals, said chosen one of said first and second clock signals and said mode control signals being in accordance with said start dial mode signal and said signal indicative of a completed telephone connection; output gating means, responsive to said first, second and fourth clock signals and mode control signals and a mark enable signal applied thereto, for selectively providing, in accordance with said mode control signals, first or second output signals respectively indicative of said telephone number digits and said data bytes, said telephone number digits being represented by a number of pulses of said first clock signal, delineated by an absence of pulses during a predetermined period corresponding to a predetermined number of cycles of said first clock signal, and said data bytes being represented by bursts of said fourth clock signal during periods defined by a number of pulses of said second clock signal, delineated by an absence of pulses during a predetermined period corresponding to a predeter-mined number of cycles of said second clock signal; mark to counter means, responsive to a first of said timing pulses and to a signal indicative of said mark enable signal for selectively accumulatins a mark count indicative of the number of pulses provided by said output gating means; means, responsive to said real time signals and cooperating with said period register means, for selectively controlling operation of at least said portion of said remote unit.
Claim 90
Independent Claim 115 words
The system of claims 41, 52, and 53 wherein said instruction signals include an error code portion derived in a predetermined manner from the other portions of said instruction signals, and said instruction input means includes means for storing indicia of said instruction signal error code; and said remote unit further comprises: error code computation means for independently deriving said error code in said predetermined manner from the other portions of said instruction signals, means for comparing said stored indicia and said independently derived error codes, and generating an error control signal, in response to an unfavorable comparison; and means responsive to said error control signal, for reeffecting said data transmission to said control complex.
Claim 91
Dependent Claim 50 words
The apparatus of claim 4 further including: input means, for generating signals indicative of additional data; and means, responsive to signals indicative of said additional data, for storing indicia of said additional data; signals representative of said stored additional data being transmitted in said data transmission to said central complex.
Claim 92
Dependent Claim 45 words
The apparatus of claim 4 further including: input means, for generating signals indicative of additional data; and means, responsive to signals indicative of said additional data for storing indicia of additional data; signals representative of said stored additional data being transmitted with said data word.
Claim 93
Dependent Claim 46 words
The system of claim 4 wherein said instruction word further includes indicia of respective operational time periods, and said remote unit further comprises means, responsive to said indicia of respective operational time periods, for selectively controlling operation of at least a portion of said remote unit.
Claim 94
Dependent Claim 46 words
The system of claim 71 wherein said instruction word further includes indicia of respective operational time periods, and said remote unit further comprises means, responsive to said indicia of respective operational time periods, for selectively controlling operation of at least a portion of said remote unit.
Claim 95
Dependent Claim 47 words
The system of claim 75 wherein said instruction word further includes indicia of respective operational time periods, and said remote unit further comprises means, responsive to said indicia of respective operational time periods, for selectively controlling operation of at least a portion of said remote unit. --
Claim 96
Dependent Claim 62 words
The method of claim 3 wherein said selectively seizing step comprises: receiving and storing real time update signals from said central complex; generating, from said real time update signals, indicia of instantaneous real time; comparing said instantaneous real time indicia to indicia of said seizing predetermined time, and responsively generating a callback signal; responsive to said callback signal, seizing said telephone line.
Claim 97
Dependent Claim 33 words
The method of claim 83 further including the step of receiving and storing signals from said central complex indicative of said predetermined seizing time and generating therefrom said indicia of said seizing time.--

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