US3197702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power line voltage measurement modulated transmission system
Assignee: S&C Electric Co
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Filing: 1960-02-19
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Granted: 1965-07-27
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Expires: 1980-02-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Edmund O Schweitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:47
CPC Classifications
G; G01; G01R; G01R15/00; G01R15/14; G01R15/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
MEANS FOR MEASURING THE FLOW OF CURRENT IN A CONDUCTOR AND TRANSMITTING TO A REMOTE POINT A SIGNAL VARYING ACCORDING TO THE MAGNETIC OF SAID CURRENT FLOW COMPRISING, IN COMBINATION, A RADIO TRANSMITTER OPERATING AT A PREDETERMINED HIGH FREQUENCY AND ENERGIZED BY CURRENT FLOW THROUGH SAID CONDUCTOR, A LOW FREQUENCY GENERATOR ENERGIZED BY CURRENT FLOW THROUGH SAID CONDUCTOR TO GENERATE A PREDETERMINED LOW FREQUENCY FOR MODULATING SAID HIGH FREQUENCY, AND MEANS CONTROLLED BY CURRENT FLOW THROUGH SAID CONDUCTOR FOR CAUSING SAID LOW FREQUENCY GENERATOR TO GENERATE A SERIES OF PULSES OF SAID LOW FREQUENCY WITH THE NUMBNER OF PULSES OF SAID LOW FREQUENCY PER UNIT TIME BEING A FUNCTION OF THE MAGNITUDE OF THE CURRENT FLOW IN SAID CONDUCTOR.
Claim 2
Dependent Claim
119 words
MEANS FOR MEASURING THE FLOW OF CURRENT IN A CONDUCTOR AND TRANSMITTING TO A REMOTE POINT A SIGNAL VARYING ACCORDING TO THE MAGNETIC OF SAID CURRENT FLOW COMPRISING, IN COMBINATION, A RADIO TRANSMITTER OPERATING AT A PREDETERMINED HIGH FREQUENCY AND ENERGIZED BY CURRENT FLOW THROUGH SAID CONDUCTOR, A LOW FREQUENCY GENERATOR ENERGIZED BY CURRENT FLOW THROUGH SAID CONDUCTOR TO GENERATE A PREDETERMINED LOW FREQUENCY FOR MODULATING SAID HIGH FREQUENCY, AND MEANS CONTROLLED BY CURRENT FLOW THROUGH SAID CONDUCTOR FOR CAUSING SAID LOW FREQUENCY GENERATOR TO GENERATE A SERIES OF PULSES OF SAID LOW FREQUENCY WITH THE NUMBNER OF PULSES OF SAID LOW FREQUENCY PER UNIT TIME BEING A FUNCTION OF THE MAGNITUDE OF THE CURRENT FLOW IN SAID CONDUCTOR.
References Cited (Backward Citations)
US2899648A
Cited
US2144215A
Cited
US2613347A
Cited
US2498809A
Cited
US2724821A
Cited
US2874292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |