US3309463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for locating the end of a sync period by using the sync pulse center as a reference
Assignee: General Dynamics Corp
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Filing: 1963-04-25
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Granted: 1967-03-14
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Expires: 1983-04-25
Abstract
No abstract record available.
Inventors
- 👤 Roedl Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:07
CPC Classifications
H; H04; H04L; H04L7/00; H04L7/04; H04L7/041; H04L7/042; H04L7/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE METHOD OF GENERATING A SYNC PULSE WITH THE AID OF A TRAIN OF BIT SIGNALS AT LEAST ONE OF WHICH OCCURS WITHIN A SYNC PERIOD, THE CENTER OF SAID ONE BIT SIGNAL OCCURRING IN FIXED TIME RELATION WITH RESPECT TO THE NOMINAL CENTER OF SAID SYNC PERIOD, SAID METHOD COMPRISING GENERATING CLOCK PULSES OF FIXED REPETITION RATE, THEN ACCUMULATING AND COUNTING SAID PULSES AT ONE RATE DURING THE INTERVAL OF SAID ONE BIT SIGNAL, THEN ACCUMULATING AND COUNTING SAID PULSE AT ANOTHER RATE TWICE SAID ONE RATE AFTER THE TERMINATION OF SAID ONE BIT SIGNAL UNTIL A PREDETERMINED NUMBER HAS BEEN COUNTED, SAID PREDETERMINED NUMBER CORRESPONDING TO THE DURATION IN TERMS OF CLOCK PULSES OF SAID SYNC PERIOD, AND FINALLY GATING OUT SAID SYNC PULSE WHEN SAID PREDETERMINED NUMBER IS REACHED.
Claim 2
Independent Claim
132 words
THE METHOD OF GENERATING A SYNC PULSE WITH THE AID OF A TRAIN OF BIT SIGNALS AT LEAST ONE OF WHICH OCCURS WITHIN A SYNC PERIOD, THE CENTER OF SAID ONE BIT SIGNAL OCCURRING IN FIXED TIME RELATION WITH RESPECT TO THE NOMINAL CENTER OF SAID SYNC PERIOD, SAID METHOD COMPRISING GENERATING CLOCK PULSES OF FIXED REPETITION RATE, THEN ACCUMULATING AND COUNTING SAID PULSES AT ONE RATE DURING THE INTERVAL OF SAID ONE BIT SIGNAL, THEN ACCUMULATING AND COUNTING SAID PULSE AT ANOTHER RATE TWICE SAID ONE RATE AFTER THE TERMINATION OF SAID ONE BIT SIGNAL UNTIL A PREDETERMINED NUMBER HAS BEEN COUNTED, SAID PREDETERMINED NUMBER CORRESPONDING TO THE DURATION IN TERMS OF CLOCK PULSES OF SAID SYNC PERIOD, AND FINALLY GATING OUT SAID SYNC PULSE WHEN SAID PREDETERMINED NUMBER IS REACHED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |