US3117280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing signal receiver
Assignee: Unisys Corp
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Filing: 1962-04-17
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Granted: 1964-01-07
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Expires: 1982-04-17
Abstract
No abstract record available.
Inventors
- 👤 Palmer Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:15
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/08; H03L7/081; H03L7/0812; C; C07; C07D; C07D307/00; C07D307/77; C07D307/78; C07D307/82; C07D307/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A TIMING SIGNAL RECEIVER ADAPTED TO RECEIVE A CONTINUOUS CARRIER SIGNAL MODULATED BY A PLURALITY OF MODULATING SIGNALS COHERENTLY RELATED IN FREQUENCY TO EACH OTHER AND TO SAID CARRIER SIGNAL, SAID RECEIVER COMPRISING A LOCAL OSCILLATOR, MEANS INCLUDING COHERENT DETECTION MEANS FOR PHASE LOCKING SAID LOCAL OSCILLATOR WITH SAID CARRIER SIGNAL AND FOR DERIVING SAID MODULATING SIGNALS FROM SAID MODULATED CARRIER SIGNAL, A PLURALITY OF PHASE DETECTORS, A PLURALITY OF FILTERS TUNED TO PASS RESPECTIVE FREQUENCIES OF SAID MODULATING SIGNALS FOR APPLYING THE DERIVED MODULATING SIGNALS TO SAID PHASE DETECTORS, A FREQUENCY DIVIDER CHAIN, CONTROLLABLE PHASE SHIFTING MEANS FOR COUPLING SAID OSCILLATOR TO SAID DIVIDER CHAIN,
Claim 2
Dependent Claim
106 words
A TIMING SIGNAL RECEIVER ADAPTED TO RECEIVE A CONTINUOUS CARRIER SIGNAL MODULATED BY A PLURALITY OF MODULATING SIGNALS COHERENTLY RELATED IN FREQUENCY TO EACH OTHER AND TO SAID CARRIER SIGNAL, SAID RECEIVER COMPRISING A LOCAL OSCILLATOR, MEANS INCLUDING COHERENT DETECTION MEANS FOR PHASE LOCKING SAID LOCAL OSCILLATOR WITH SAID CARRIER SIGNAL AND FOR DERIVING SAID MODULATING SIGNALS FROM SAID MODULATED CARRIER SIGNAL, A PLURALITY OF PHASE DETECTORS, A PLURALITY OF FILTERS TUNED TO PASS RESPECTIVE FREQUENCIES OF SAID MODULATING SIGNALS FOR APPLYING THE DERIVED MODULATING SIGNALS TO SAID PHASE DETECTORS, A FREQUENCY DIVIDER CHAIN, CONTROLLABLE PHASE SHIFTING MEANS FOR COUPLING SAID OSCILLATOR TO SAID DIVIDER CHAIN,
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |