US3281698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise balanced afc system
Assignee: General Electric Co
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Filing: 1963-08-01
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Granted: 1966-10-25
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Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Jr George Daniel Rose
- 👤 Latker Alex Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:52
CPC Classifications
H; H03; H03J; H03J7/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
IN AN AUTOMATIC FREQUENCY CONTROL SYSTEM, THE COMBINATION COMPRISING AN OSCILLATOR, FREQUENCY CONVERTING MEANS COUPLED TO SAID OSCILLATOR FOR TRANSLATING THE OSCILLATOR FREQUENCY TO DIFFERENT VALUE, MEANS FOR PRODUCING AN ERROR SIGNAL IN RESPONSE TO ANY FREQUENCY DEVIATION OF THE OSCILLATOR AND A SHIFT OF THE TRANSLATED FREQUENCY FROM THE DESIRED VALUE, MEANS COUPLING SAID ERROR SIGNAL TO SAID OSCILLATOR TO CONTROL THE FREQUENCY OF SAID OSCILLATOR, ELECTRICALLY VARIABLE FILTER MEANS COUPLED BETWEEN SAID FREQUENCY CONVERTING MEANS AND SAID ERROR SIGNAL PRODUCING MEANS, MEANS FOR COUPLING SAID ERROR SIGNAL TO SAID FILTER FOR VARYING THE CENTER FREQUENCY OF THE PASSBAND OF SAID FILTER TO BALANCE OUT NOISE SIGNALS APPLIED TO SAID DISCRIMINATOR.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |