US3209271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase-locked loops
Assignee: Radiation Inc
•
Filing: 1961-08-17
•
Granted: 1965-09-28
•
Expires: 1981-08-17
Abstract
No abstract record available.
Inventors
- 👤 Sydney E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:21
CPC Classifications
H; H03; H03D; H03D3/00; H03D3/02; H03D3/24; H03D3/241; H03D3/244
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PHASE LOCKED DEMODUALTOR LOOP FOR VARIABLE FREQUENCY INTELLIGENCE BEARING INPUT SIGNALS COMPRISING AN OSCILLATOR, MEANS FOR GENERATING AN INTELLIGENCE BEARING SIGNAL RESPONSIVE TO THE PHASE DIFFERENCE BETWEEN THE INPUT AND OSCILLATOR SIGNALS, SAID LAST NAMED MEANS HAVING AN INPUT TERMINAL RESPONSIVE TO SAID OSCILLATOR SIGNAL AND AN OUTPUT TERMINAL SUPPLIED BY THE PHASE RESPONSIVE SIGNAL, MEANS FOR CONTROLLING THE FREQUENCY OF THE OSCILLATOR SIGNAL IN RESPONSE TO SAID PHASE RESPONSIVE SIGNAL, SAID OSCILLATOR AND FREQUENCY CONTROLLING MEANS BEING INCLUDED IN THE SIGNAL PATH BETWEEN SAID INPUT AND OUTPUT TERMINALS, AND MEANS FOR EFFECTIVELY VARYING THE BANDWIDTH OF THE SIGNAL PATH INCLUDING SAID OSCILLATOR BETWEEN SAID INPUT AND OUTPUT TERMINALS AS A FUNCTION OF THE NOISE CONTENT OF AT LEAST ONE OF SAID INTELLIGENCE BEARING SIGNALS.
Claim 2
Dependent Claim
126 words
A PHASE LOCKED DEMODUALTOR LOOP FOR VARIABLE FREQUENCY INTELLIGENCE BEARING INPUT SIGNALS COMPRISING AN OSCILLATOR, MEANS FOR GENERATING AN INTELLIGENCE BEARING SIGNAL RESPONSIVE TO THE PHASE DIFFERENCE BETWEEN THE INPUT AND OSCILLATOR SIGNALS, SAID LAST NAMED MEANS HAVING AN INPUT TERMINAL RESPONSIVE TO SAID OSCILLATOR SIGNAL AND AN OUTPUT TERMINAL SUPPLIED BY THE PHASE RESPONSIVE SIGNAL, MEANS FOR CONTROLLING THE FREQUENCY OF THE OSCILLATOR SIGNAL IN RESPONSE TO SAID PHASE RESPONSIVE SIGNAL, SAID OSCILLATOR AND FREQUENCY CONTROLLING MEANS BEING INCLUDED IN THE SIGNAL PATH BETWEEN SAID INPUT AND OUTPUT TERMINALS, AND MEANS FOR EFFECTIVELY VARYING THE BANDWIDTH OF THE SIGNAL PATH INCLUDING SAID OSCILLATOR BETWEEN SAID INPUT AND OUTPUT TERMINALS AS A FUNCTION OF THE NOISE CONTENT OF AT LEAST ONE OF SAID INTELLIGENCE BEARING SIGNALS.
References Cited (Backward Citations)
US2058411A
Cited
US2462759A
Cited
US2453988A
Cited
US2560313A
Cited
US2624006A
Cited
US3069625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |