US3177429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplifier regulation control means for a communications relay station
Assignee: Felten and Guilleaume Fernmeldeanlagen GmbH
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Filing: 1962-01-24
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Granted: 1965-04-06
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Expires: 1982-01-24
Abstract
No abstract record available.
Inventors
- 👤 Markl Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:56
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/02; H04B3/04; H04B3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A CONTROL ERROR PREVENTING ARRANGEMENT FOR CARRIER FREQUENCY TRANSMISSION SYSTEMS, PARTICULARLY FOR TELEVISION TRANSMISSION, FOR PREVENTING IMPROPER REGULATION OF AN INTERMEDIATE AMPLIFIER STATION IN SAID SYSTEM, COMPRISING, IN COMBINATION, A CARRIER FREQUENCY OPERATED TRANSMISSION SYSTEM FOR TRANSMITTING A FREQUENCY BAND, AND AT LEAST ONE PILOT FREQUENCY SIGNAL OF PREDETERMINED VOLUME; AT LEAST ONE INTERMEDIATE AMPLIFIER STATION ARRANGED IN SAID TRANSMISSION SYSTEM FOR RECEIVING AND TRANSMITTING SAID FREQUENCY BAND INCLUDING SAID PILOT FREQUENCY SIGNAL, AND INCLUDING REGULATOR MEANS RESPONDING TO SAID PILOT FREQUENCY SIGNAL BY REGULATING THE OPERATION OF SAID INTERMEDIATE AMPLIFIER STATION; MEANS FOR INTRODUCING INTO SAID TRANSMISSION SYSTEM A CONTROL SIGNAL AT A FREQUENCY LOCATED OUTSIDE SAID FREQUENCY BAND; MEANS RESPONDING TO A VOLUME DEVIATION OF SAID PILOT FREQUENCY SIGNAL BY CAUSING A PREDETERMINED MODIFICATION OF SAID CONTROL SIGNAL; AND MONITORING MEANS IN SAID INTERMEDIATE AMPLIFIER STATION RESPONSING TO SAID PREDETERMINED MODIFICATION OF SAID CONTROL SIGNAL BY RENDERING SAID REGULATOR MEANS INOPERATIVE AS LONG AS SAID MODIFICATION OF SAID SAID CONTROL SIGNAL PREVAILS, WHEREBY AN IMPROPER REGULATION OF SAID INTERMEDIATE AMPLIFIER STATION DUE TO AN UNITENDED VOLUME DEVIATION OF SAID PILOT FREQUENCY SIGNAL IS PREVENTED.
Claim 2
Dependent Claim
186 words
A CONTROL ERROR PREVENTING ARRANGEMENT FOR CARRIER FREQUENCY TRANSMISSION SYSTEMS, PARTICULARLY FOR TELEVISION TRANSMISSION, FOR PREVENTING IMPROPER REGULATION OF AN INTERMEDIATE AMPLIFIER STATION IN SAID SYSTEM, COMPRISING, IN COMBINATION, A CARRIER FREQUENCY OPERATED TRANSMISSION SYSTEM FOR TRANSMITTING A FREQUENCY BAND, AND AT LEAST ONE PILOT FREQUENCY SIGNAL OF PREDETERMINED VOLUME; AT LEAST ONE INTERMEDIATE AMPLIFIER STATION ARRANGED IN SAID TRANSMISSION SYSTEM FOR RECEIVING AND TRANSMITTING SAID FREQUENCY BAND INCLUDING SAID PILOT FREQUENCY SIGNAL, AND INCLUDING REGULATOR MEANS RESPONDING TO SAID PILOT FREQUENCY SIGNAL BY REGULATING THE OPERATION OF SAID INTERMEDIATE AMPLIFIER STATION; MEANS FOR INTRODUCING INTO SAID TRANSMISSION SYSTEM A CONTROL SIGNAL AT A FREQUENCY LOCATED OUTSIDE SAID FREQUENCY BAND; MEANS RESPONDING TO A VOLUME DEVIATION OF SAID PILOT FREQUENCY SIGNAL BY CAUSING A PREDETERMINED MODIFICATION OF SAID CONTROL SIGNAL; AND MONITORING MEANS IN SAID INTERMEDIATE AMPLIFIER STATION RESPONSING TO SAID PREDETERMINED MODIFICATION OF SAID CONTROL SIGNAL BY RENDERING SAID REGULATOR MEANS INOPERATIVE AS LONG AS SAID MODIFICATION OF SAID SAID CONTROL SIGNAL PREVAILS, WHEREBY AN IMPROPER REGULATION OF SAID INTERMEDIATE AMPLIFIER STATION DUE TO AN UNITENDED VOLUME DEVIATION OF SAID PILOT FREQUENCY SIGNAL IS PREVENTED.
References Cited (Backward Citations)
US2626993A
Cited
GB579144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |