Patent US1762464A successfully refreshed from Google Patents.
Patent US3311701A successfully refreshed from Google Patents.
US3311701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical synchronization system for use in a television receiver
Assignee: General Electric Co
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Filing: 1963-10-30
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Granted: 1967-03-28
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Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Edward I Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:48
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/12; H04N5/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A TELEVISION SYSTEM, MEANS FOR DERIVING FROM A RECEIVED TELEVISION SIGNAL A SERIES OF INTEGRATED VERTICAL SYNCHRONIZING PULSES, MEANS RESPONSIVE TO A PREDETERMINED AMPLITUDE LEVEL OF SAID INTEGRATED PULSES TO PRODUCE ANOTHER SERIES OF PULSES, EACH PULSE IN SAID OTHER SERIES CORRESPONDING TO A RESPECTIVE PULSE IN SAID ONE SERIES, A SOURCE OF SHORT PULSES HAVING A REPETITION RATE OF AN INTEGRAL MULTIPLE OF THE HORIZONTAL SCANNING FREQUENCY OF THE TELEVISION SYSTEM, MEANS RESPONSIVE TO SAID OTHER SERIES OF PULSES FOR DERIVING FROM SAID SOURCE OF SHORT PULSES GROUPS OF SUCH SHORT PULSES, EACH GROUP OCCURRING DURING THE OCCURRENCE OF A RESPECTIVE ONE OF SAID OTHER SERIES OF PULSES, AND MEANS FOR DEVELOPING A THIRD SERIES OF PULSES EACH RESPONSIVE TO THE FIRST ONE OF A RESPECTIVE GROUP OF SHORT PULSES.
Claim 2
Dependent Claim
132 words
IN A TELEVISION SYSTEM, MEANS FOR DERIVING FROM A RECEIVED TELEVISION SIGNAL A SERIES OF INTEGRATED VERTICAL SYNCHRONIZING PULSES, MEANS RESPONSIVE TO A PREDETERMINED AMPLITUDE LEVEL OF SAID INTEGRATED PULSES TO PRODUCE ANOTHER SERIES OF PULSES, EACH PULSE IN SAID OTHER SERIES CORRESPONDING TO A RESPECTIVE PULSE IN SAID ONE SERIES, A SOURCE OF SHORT PULSES HAVING A REPETITION RATE OF AN INTEGRAL MULTIPLE OF THE HORIZONTAL SCANNING FREQUENCY OF THE TELEVISION SYSTEM, MEANS RESPONSIVE TO SAID OTHER SERIES OF PULSES FOR DERIVING FROM SAID SOURCE OF SHORT PULSES GROUPS OF SUCH SHORT PULSES, EACH GROUP OCCURRING DURING THE OCCURRENCE OF A RESPECTIVE ONE OF SAID OTHER SERIES OF PULSES, AND MEANS FOR DEVELOPING A THIRD SERIES OF PULSES EACH RESPONSIVE TO THE FIRST ONE OF A RESPECTIVE GROUP OF SHORT PULSES.
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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |