US3083340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase and frequency control systems for discriminators and the like
Assignee: Avco Manufacturing Corp
•
Filing: 1959-03-02
•
Granted: 1963-03-26
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Bruce K Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:06
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PHASE CONTROL SYSTEM COMPRISING; SIGNAL SUPPLY MEANS FOR PROVIDING A VARIABLE FREQUENCY SIGNAL; MEANS RESPONSIVE TO THE VARIABLE FREQUENCY SIGNAL FOR PROVIDING COMPARISON SIGNALS HAVING A PHASE DIFFERENCE WHICH IS A FUNCTION OF THE FREQUENCY OF THE VARIABLE FREQUENCY SIGNAL; CIRCUIT MEANS FOR COMPARING THE COMPARISON SIGNALS AND GENERATING AN OUTPUT SIGNAL THAT IS A FUNCTION OF THE PHASE DIFFERENCE BETWEEN THE COMPARISON SIGNALS; MEANS FOR PROVIDING A CONTROL SIGNAL FOR ADJUSTING THE PHASE DIFFERENCE TO A PREDETERMINED VALUE; AND MEANS RESPONSIVE TO THE CONTROL SIGNAL AND THE OUTPUT SIGNAL FOR PROVIDING A TUNING SIGNAL WHICH IS A FUNCTION OF THE CONTROL AND THE OUTPUT SIGNALS FOR VARYING THE FREQUENCY OF THE VARIABLE FREQUENCY SIGNAL SUPPLY MEANS UNTIL THE COMPARISON SIGNALS HAVE ATTAINED THE PRESELECTED VALUE.
Claim 2
Dependent Claim
127 words
A PHASE CONTROL SYSTEM COMPRISING; SIGNAL SUPPLY MEANS FOR PROVIDING A VARIABLE FREQUENCY SIGNAL; MEANS RESPONSIVE TO THE VARIABLE FREQUENCY SIGNAL FOR PROVIDING COMPARISON SIGNALS HAVING A PHASE DIFFERENCE WHICH IS A FUNCTION OF THE FREQUENCY OF THE VARIABLE FREQUENCY SIGNAL; CIRCUIT MEANS FOR COMPARING THE COMPARISON SIGNALS AND GENERATING AN OUTPUT SIGNAL THAT IS A FUNCTION OF THE PHASE DIFFERENCE BETWEEN THE COMPARISON SIGNALS; MEANS FOR PROVIDING A CONTROL SIGNAL FOR ADJUSTING THE PHASE DIFFERENCE TO A PREDETERMINED VALUE; AND MEANS RESPONSIVE TO THE CONTROL SIGNAL AND THE OUTPUT SIGNAL FOR PROVIDING A TUNING SIGNAL WHICH IS A FUNCTION OF THE CONTROL AND THE OUTPUT SIGNALS FOR VARYING THE FREQUENCY OF THE VARIABLE FREQUENCY SIGNAL SUPPLY MEANS UNTIL THE COMPARISON SIGNALS HAVE ATTAINED THE PRESELECTED VALUE.
References Cited (Backward Citations)
US2279660A
Cited
US2279659A
Cited
US2844652A
Cited
US2775700A
Cited
US2805334A
Cited
US2930842A
Cited
US2935609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |