US3184547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical sync separator circuit keyed at twice the horizontal line rate
Assignee: General Electric Co
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Filing: 1962-11-30
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Granted: 1965-05-18
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Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Robert B Dome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:11
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/08; H04N5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A TELEVISION RECEIVING APPARATUS HAVING MEANS FOR SEPARATING A VERTICAL SYNCHRONIZING SIGNAL FROM A COMPOSITE SYNCHRONIZING SIGNAL COMPRISING: A SOURCE OF A COMPOSITE SYNCHRONIZING SIGNAL HAVING A WAVEFORM INCLUDING RECURRING VERTICAL SYNCHRONIZING, HORIZONTAL SYNCHRONIZING, AND EQUALIZING COMPONENTS; A BLANKING CIRCUIT HAVING FIRST AND SECOND INPUT TERMINALS AND AN OUTPUT TERMINAL; MEANS COUPLING SAID COMPOSITE SYNCHRONIZING SIGNAL TO SAID FIRST INPUT TERMINAL; MEANS PROVIDING A BLANKING SIGNAL HAVING A WAVEFORM INCLUDING ENABLING AND INHIBITING COMPONENTS, SAID INHIBITING COMPONENTS OCCURRING COINCIDENT IN TIME WITH SAID HORIZONTAL AND EQUALIZING COMPONENTS; AND MEANS COUPLING SAID BLANKING SIGNAL TO SAID SECOND INPUT TERMINAL OF SAID BLANKING CIRCUIT, SAID BLANKING CIRCUIT BEING RESPONSIVE TO SAID COMPOSITE SYNCHRONZING SIGNAL AND SAID BLANKING SIGNAL TO PRODUCE A SEPARATED VERTICAL SYNCHRONIZING SIGNAL AT SAID OUTPUT TERMINAL.
Claim 2
Dependent Claim
127 words
A TELEVISION RECEIVING APPARATUS HAVING MEANS FOR SEPARATING A VERTICAL SYNCHRONIZING SIGNAL FROM A COMPOSITE SYNCHRONIZING SIGNAL COMPRISING: A SOURCE OF A COMPOSITE SYNCHRONIZING SIGNAL HAVING A WAVEFORM INCLUDING RECURRING VERTICAL SYNCHRONIZING, HORIZONTAL SYNCHRONIZING, AND EQUALIZING COMPONENTS; A BLANKING CIRCUIT HAVING FIRST AND SECOND INPUT TERMINALS AND AN OUTPUT TERMINAL; MEANS COUPLING SAID COMPOSITE SYNCHRONIZING SIGNAL TO SAID FIRST INPUT TERMINAL; MEANS PROVIDING A BLANKING SIGNAL HAVING A WAVEFORM INCLUDING ENABLING AND INHIBITING COMPONENTS, SAID INHIBITING COMPONENTS OCCURRING COINCIDENT IN TIME WITH SAID HORIZONTAL AND EQUALIZING COMPONENTS; AND MEANS COUPLING SAID BLANKING SIGNAL TO SAID SECOND INPUT TERMINAL OF SAID BLANKING CIRCUIT, SAID BLANKING CIRCUIT BEING RESPONSIVE TO SAID COMPOSITE SYNCHRONZING SIGNAL AND SAID BLANKING SIGNAL TO PRODUCE A SEPARATED VERTICAL SYNCHRONIZING SIGNAL AT SAID OUTPUT TERMINAL.
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) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |