Patent US3148243A successfully refreshed from Google Patents.
US3148243A
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Synchronization of subcarrier oscillator with r-y synchronous detector output
Assignee: Thomas International Corp
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Filing: 1958-08-08
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Granted: 1964-09-08
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Expires: 1978-08-08
Abstract
No abstract record available.
Inventors
- 👤 Wiencek Zbigniew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:27
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/64; H04N9/70; H04N9/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A TELEVISION RECEIVER FOR RECEIVING A SIGNAL CONTAINING SYNCHRONIZING INFORMATION AND CHROMA INFORMATION, CIRCUITRY COMPRISING: A FIRST SYNCHRONOUS DETECTOR FOR DERIVING R-Y INFORMATION FROM SUCH A SIGNAL; A SECOND SYNCHRONOUS DETECTOR FOR DERIVING B-Y INFORMATION FROM SAID SIGNAL; A LOCAL OSCILLATOR HAVING OUTPUTS CONNECTED TO SAID DETECTORS FOR SYNCHRONIZING THE OPERATION THEREOF; A CIRCUIT RESPONSIVE TO THE SYNCHRONIZING INFORMATION IN THE OUTPUT OF THE R-Y DETECTOR FOR CONTROLLING THE PHASE AND FREQUENCY OF SAID OSCILLATOR, SAID CIRCUIT HAVING A VARI-
Claim 2
Dependent Claim
81 words
IN A TELEVISION RECEIVER FOR RECEIVING A SIGNAL CONTAINING SYNCHRONIZING INFORMATION AND CHROMA INFORMATION, CIRCUITRY COMPRISING: A FIRST SYNCHRONOUS DETECTOR FOR DERIVING R-Y INFORMATION FROM SUCH A SIGNAL; A SECOND SYNCHRONOUS DETECTOR FOR DERIVING B-Y INFORMATION FROM SAID SIGNAL; A LOCAL OSCILLATOR HAVING OUTPUTS CONNECTED TO SAID DETECTORS FOR SYNCHRONIZING THE OPERATION THEREOF; A CIRCUIT RESPONSIVE TO THE SYNCHRONIZING INFORMATION IN THE OUTPUT OF THE R-Y DETECTOR FOR CONTROLLING THE PHASE AND FREQUENCY OF SAID OSCILLATOR, SAID CIRCUIT HAVING A VARI-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |