Patent US3913129A successfully refreshed from Google Patents.
US3913129A
Expired / Lapsed
US
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Outage indicating apparatus for meter telemetry systems including data recorders
Assignee: ABB Inc USA
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Filing: 1974-09-26
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Granted: 1975-10-14
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Expires: 1994-09-26
Abstract
Abstract An outage in a quantity measured by a meter develops a signal in a data recorder included in a telemetry system to record data signals initiated by the meter. The data signals and time interval signals are recorded as pulses in separate data and time tracks in a recording medium. An outage pulse is recorded in the time track in an immediately adjacent relationship prior to the recording of an interval pulse. The outage pulse is positioned for detection in a translator upon a reverse direction of translation of the data and interval recorded pulses so as to indicate the time of the outage condition.
Inventors
- 👤 Carl J Snyder
- 👤 Jr Albert H Maxwell
- 👤 William P Doby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:33
CPC Classifications
G; G01; G01D; G01D9/00; G01D9/28; G01D3/00; G01D3/08; G01R; G01R13/00; G01R13/04
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
202 words
A data recorder for recording metering information of a measured quantity subject to an interruption during outage conditions, comprising: a data input for receiving pulses responsive to predetermined amounts of a measured quantity; a time impulse control means actuated at regular time intervals; an outage detector including a switching control means having one conductive condition in response to presence of said measured quantity and opposite conductive condition in response to the absence of said measured quantity; a data recording circuit means connected to said data input to generate data recording pulses; a time recording circuit means including said time impulse control means for generating time interval pulses in response to each actuation of said time impulse control means; an outage indicating circuit means including said switching control means, said outage indicating circuit means being connected to said time recording circuit means to generate a separate outage pulse in said time recording circuit in response to said switching control means being operated between said one and said opposite conductive conditions such that said outage pulse is produced in said time recording circuit means in a predetermined relationship prior to a time interval pulse generated subsequent to an outage condition in said measured quantity.
Claim 2
Dependent Claim
202 words
A data recorder for recording metering information of a measured quantity subject to an interruption during outage conditions, comprising: a data input for receiving pulses responsive to predetermined amounts of a measured quantity; a time impulse control means actuated at regular time intervals; an outage detector including a switching control means having one conductive condition in response to presence of said measured quantity and opposite conductive condition in response to the absence of said measured quantity; a data recording circuit means connected to said data input to generate data recording pulses; a time recording circuit means including said time impulse control means for generating time interval pulses in response to each actuation of said time impulse control means; an outage indicating circuit means including said switching control means, said outage indicating circuit means being connected to said time recording circuit means to generate a separate outage pulse in said time recording circuit in response to said switching control means being operated between said one and said opposite conductive conditions such that said outage pulse is produced in said time recording circuit means in a predetermined relationship prior to a time interval pulse generated subsequent to an outage condition in said measured quantity.
Claim 3
Dependent Claim
92 words
The data recorder as claimed in claim 1 including an outage impulse control means connected in said outage indicating circuit, said outage impulse control means being actuated at the same regular time intervals as said time impulse control means with a predetermined time period occurring between the times that said time impulse control means and said outage impulse control means are actuated, said outage impulse control means being effective to initiate said outage pulse only in response to said switching control means being operated between said one and said opposite conductive conditions.
Claim 4
Dependent Claim
69 words
The data recorder as claimed in claim 2 including a magnetic tape recording medium; a data magnetic recording head means connected in said data recording circuit for producing recorded data pulses in one track of said recording medium; a time magnetic recording head means connected to said time recording circuit means for producing recorded time interval pulses and outage pulses in a common second track of said recording medium.
Claim 5
Dependent Claim
46 words
The data recorder as claimed in claim 3 including a timing mechanism having a timing motor and a cam rotated by said motor with said time impulse control means and said outage impulse control means both being actuated at different predetermined rotated positions of said cam.
Claim 6
Dependent Claim
67 words
The data recorder as claimed in claim 4 wherein said pulses received at said data input are responsive to predeterminEd amounts of electric power being measured by a watthour metering device initiating said data pulses, and wherein said switching control member is energized and deenergized by the electric power being measured to establish operation between said first and second conductive states in response to an outage condition.
Claim 7
Dependent Claim
84 words
The data recorder as claimed in claim 5 wherein said time impulse control means includes a first switch operated by a cam follower engaging said cam for actuation at said regular time intervals, and wherein said outage impulse control means includes a second switch operated by an actuating means engaging said cam and being disposed arcuately from said cam follower such that said second switch is actuated at a predetermined short time period immediately prior to the time that said first switch is actuated.
Claim 8
Dependent Claim
87 words
The data recorder as claimed in claim 6 wherein the actuating means of said second switch is displaced arcuately away from the cam follower means of said first switch in an opposite direction from the direction of rotation of said cam such that the second switch is actuated at a predetermined short time period in the order of 5 percent of the time period between successive operations of said first switch prior to the instant that said first switch is actuated during each rotation of said cam.
Claim 9
Dependent Claim
83 words
The data recorder as claimed in claim 6 including a first capacitor means connected in said time recording circuit means and further including a second capacitor connected in said outage indicating circuit means such that said first capacitor is discharged through said time recording head means when said first switch is actuated and said second capacitor is discharged through said time recording head means upon said second switch being actuated following operation of said switching control means in response to an outage condition.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-13 | 1979-04-14 | 1979-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-13 | 1983-04-14 | 1983-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-13 | 1987-04-14 | 1987-10-14 | $7700.00 | Window Closed / Lapsed |