US3757032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for selectively enabling a remote receiver
Assignee: Xerox Corp
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Filing: 1971-01-28
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Granted: 1973-09-04
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Expires: 1991-01-28
Abstract
Abstract An information transmission and recording system wherein a character is arranged in a dot-matrix form and the signals which represent the dots are transmitted column by column of the matrix in serial form to a receiver. The received character signals are applied synchronously to a serial-to-parallel converter, the parallel output thereof being applied to a storage register. The output of the storage register, representing a column of the matrix, is transferred to a line of styli representing a column of the matrix. The styli are transported across a moving recording medium, the character thereby being reproduced column by column. Means are also provided for addressing a selected recording unit among a plurality of such units, full power being applied only to the selected unit after it is properly addressed.
Inventors
- 👤 T Minerd
- 👤 R Houston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:12
CPC Classifications
H; H04; H04L; H04L21/00
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
166 words
A method of applying power to at least one of a plurality of recording means at locations remote from a transmitter, said power being sufficient to enable selected ones of said recording means to print characters transmitted thereto from said transmitter, said transmitter transmitting an information signal in a format which includes carrier, address and character information portions comprising the steps of: a. transmitting said carrier portion of said information signal to apply power of a first level to all said recording means, thereby conditioning each recording means for reception of said address portion of said information signal, b. transmitting a predetermined address in said address portion of said information signal whereby the recording means corresponding to said predetermined address are selected and thereby conditioned to receive the character portion of said information signal, and c. applying power of a second level to said selected recording means, in response to the reception of said predetermined address whereby said selected recording means are enabled to print characters.
Claim 2
Independent Claim
166 words
A method of applying power to at least one of a plurality of recording means at locations remote from a transmitter, said power being sufficient to enable selected ones of said recording means to print characters transmitted thereto from said transmitter, said transmitter transmitting an information signal in a format which includes carrier, address and character information portions comprising the steps of: a. transmitting said carrier portion of said information signal to apply power of a first level to all said recording means, thereby conditioning each recording means for reception of said address portion of said information signal, b. transmitting a predetermined address in said address portion of said information signal whereby the recording means corresponding to said predetermined address are selected and thereby conditioned to receive the character portion of said information signal, and c. applying power of a second level to said selected recording means, in response to the reception of said predetermined address whereby said selected recording means are enabled to print characters.
Claim 3
Dependent Claim
23 words
The method as defined in claim 1 further including the step of removing the first level power applied to the non-selected recording means.
Claim 4
Dependent Claim
15 words
means for converting said serial pulse train to a parallel signal on Nr output lines,
Claim 5
Dependent Claim
15 words
means for converting said serial pulse train to a parallel signal on Nr output lines,
Claim 6
Dependent Claim
11 words
Nr electrically operative drive units coupled to said Nr output lines,
Claim 7
Dependent Claim
11 words
Nr electrically operative drive units coupled to said Nr output lines,
Claim 8
Dependent Claim
23 words
The method as defined in claim 1 further including the step of conditioning said recording means to respond to a different predetermined address.
Claim 9
Dependent Claim
10 words
Nr styli coupled to the output of said drive units,
Claim 10
Dependent Claim
10 words
Nr styli coupled to the output of said drive units,
Claim 11
Dependent Claim
242 words
Apparatus for recording the character portion of a transmitted information signal having a format which comprises carrier, address and character information portions, the characters encoded into a serial pulse train corresponding to elements of a character matrix and comprising Nc successive groups of Nr electrical signals, said character matrix comprising Nc columns and Nr rows, comprising: a. means for converting said serial pulse train into a parallel signal on Nr output lines, b. Nr electrically operative drive units coupled to said Nr output lines, c. Nr styli coupled to said Nr drive units, d. means for feeding a recording medium in a first direction and for transporting said styli in a second direction across said recording medium whereby successive portions of said recording medium are traversed by said styli said styli being disposed in a linear array, of Nr rows, each of said styli being energized by said drive units to record a matrix pattern on said recording medium in accordance with the associated signals in said groups, e. means responsive to said carrier portion of said information signal for applying power of a first level to said recording apparatus, thereby conditioning the recording apparatus for reception of said address portion of said information signal, and f. means responsive to said address portion of said information signal for applying power of a second level to said recording apparatus, thereby enabling said recording apparatus for printing said character portion of said information signal.
Claim 12
Dependent Claim
242 words
Apparatus for recording the character portion of a transmitted information signal having a format which comprises carrier, address and character information portions, the characters encoded into a serial pulse train corresponding to elements of a character matrix and comprising Nc successive groups of Nr electrical signals, said character matrix comprising Nc columns and Nr rows, comprising: a. means for converting said serial pulse train into a parallel signal on Nr output lines, b. Nr electrically operative drive units coupled to said Nr output lines, c. Nr styli coupled to said Nr drive units, d. means for feeding a recording medium in a first direction and for transporting said styli in a second direction across said recording medium whereby successive portions of said recording medium are traversed by said styli said styli being disposed in a linear array, of Nr rows, each of said styli being energized by said drive units to record a matrix pattern on said recording medium in accordance with the associated signals in said groups, e. means responsive to said carrier portion of said information signal for applying power of a first level to said recording apparatus, thereby conditioning the recording apparatus for reception of said address portion of said information signal, and f. means responsive to said address portion of said information signal for applying power of a second level to said recording apparatus, thereby enabling said recording apparatus for printing said character portion of said information signal.
Claim 13
Dependent Claim
46 words
The apparatus as defined in claim 4 wherein said converting means comprises a serial-to-parallel register and further including a storage register connected to the Nr output lines for coupling the character information thereon to said drive units when a complete column of information is stored therein.
Claim 14
Dependent Claim
71 words
means for feeding a recording medium in a first direction and for transporting said styli in a second direction across said recording medium whereby successive lines of said recording medium are scanned, said styli being disposed in a linear array of Nr rows, each of said styli being energized by said drive units to record a matrix element on said recording medium in accordance with the associated signals in said groups,
Claim 15
Dependent Claim
71 words
means for feeding a recording medium in a first direction and for transporting said styli in a second direction across said recording medium whereby successive lines of said recording medium are scanned, said styli being disposed in a linear array of Nr rows, each of said styli being energized by said drive units to record a matrix element on said recording medium in accordance with the associated signals in said groups,
Claim 16
Dependent Claim
37 words
means responsive to said carrier portion of said information signal for applying power of a first level to said recording apparatus, thereby conditioning the apparatus for the reception of said address portion of said information signal, and
Claim 17
Dependent Claim
37 words
means responsive to said carrier portion of said information signal for applying power of a first level to said recording apparatus, thereby conditioning the apparatus for the reception of said address portion of said information signal, and
Claim 18
Dependent Claim
61 words
An information transmission and recording system comprising: a. means for transmitting an information signal in a format comprising carrier, address and character information portions from a base station, said character being encoded into elements of a matrix comprising Nc successive groups of at least Nr electrical signals, said character matrix comprising Nc columns and Nr rows and, b. recording means comprising:
Claim 19
Dependent Claim
61 words
An information transmission and recording system comprising: a. means for transmitting an information signal in a format comprising carrier, address and character information portions from a base station, said character being encoded into elements of a matrix comprising Nc successive groups of at least Nr electrical signals, said character matrix comprising Nc columns and Nr rows and, b. recording means comprising:
Claim 20
Dependent Claim
66 words
The system as defined in claim 6 further including a plurality of additional recording means at locations remote from said transmitting means and means at each of said recording means for responding to said carrier portion of said information signal whereby power of a first level is applied to all recording means, each recording means being conditioned to receive said address portion of said information signal.
Claim 21
Dependent Claim
31 words
means responsive to said address portion of said information signal for applying power of a second level to said recording apparatus, thereby enabling said recording means to print said character information.
Claim 22
Dependent Claim
31 words
means responsive to said address portion of said information signal for applying power of a second level to said recording apparatus, thereby enabling said recording means to print said character information.
Claim 23
Dependent Claim
67 words
The system as defined in claim 7 further including means at each of said recording means for responding to a predetermined address transmitted in said address portion of said information signal, power of a second level being applied to the recording means responding to said address portion of said information signal whereby the recording means responding to said address portion are enabled to print said character information.
Claim 24
Dependent Claim
29 words
The system as defined in claim 8 further including means for removing the power applied to the recording means not responding to said address portion of said information signal.
Claim 25
Dependent Claim
22 words
The system as defined in claim 9 further including means for conditioning said recording means to respond to a different predetermined address.
Claim 26
Dependent Claim
23 words
The method recited in claim 1 wherein the step of transmitting a predetermined address comprises transmitting said address as a coded digital signal.
Claim 27
Dependent Claim
18 words
The combination recited in claim 4 wherein said address portion of said format comprises a coded digital signal.
Claim 28
Dependent Claim
18 words
The combination recited in claim 6 wherein said address portion of said format comprises a coded digital signal.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |