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US3076943A
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Automatic frequency and phase control
Assignee: RCA Corp
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Filing: 1958-10-09
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Granted: 1963-02-05
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Expires: 1978-10-09
Abstract
No abstract record available.
Inventors
- 👤 Cooperman Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:49
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/08; H03L7/14; H04; H04N; H04N5/00; H04N5/04; H04N5/12; H04N5/126; H04N5/44; H04N5/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN ERROR CORRECTING CIRCUIT FOR AN OSCILLATOR HAVING TUNING ELEMENTS, COMPRISING IN COMBINATION, A REACTANCE DEVICE HAVING A REACTANCE VALUE WHICH MAY BE SET TO ANY VALUE WITHIN A RANGE OF VALUES AND CONNECTED WITH SAID TUNING ELEMENTS TO CONTROL THE TUNING OF SAID OSCILLATOR, ERROR DETECTING MEANS RESPONSIVE TO THE FREQUENCY OF SAID OSCILLATOR FOR PROVIDING A CONTROL SIGNAL WHEN SAID OSCILLATOR IS MISTUNED, AND MEANS RESPONSIVE TO SAID CONTROL SIGNAL FOR VARYING THE REACTANCE VALUE OF SAID DEVICE AT RANDOM TO SELECT AND SET THE CORRECT TUNING FOR SAID OSCILLATOR.
Claim 2
Dependent Claim
92 words
AN ERROR CORRECTING CIRCUIT FOR AN OSCILLATOR HAVING TUNING ELEMENTS, COMPRISING IN COMBINATION, A REACTANCE DEVICE HAVING A REACTANCE VALUE WHICH MAY BE SET TO ANY VALUE WITHIN A RANGE OF VALUES AND CONNECTED WITH SAID TUNING ELEMENTS TO CONTROL THE TUNING OF SAID OSCILLATOR, ERROR DETECTING MEANS RESPONSIVE TO THE FREQUENCY OF SAID OSCILLATOR FOR PROVIDING A CONTROL SIGNAL WHEN SAID OSCILLATOR IS MISTUNED, AND MEANS RESPONSIVE TO SAID CONTROL SIGNAL FOR VARYING THE REACTANCE VALUE OF SAID DEVICE AT RANDOM TO SELECT AND SET THE CORRECT TUNING FOR SAID OSCILLATOR.
References Cited (Backward Citations)
US2811642A
Cited
US2897352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |