Patent US3097260A successfully refreshed from Google Patents.
US3097260A
Expired / Lapsed
US
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Correction of transmission variations in television standards converting system
Assignee: EMI Ltd
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Filing: 1956-11-08
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Granted: 1963-07-09
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Expires: 1976-11-08
Abstract
No abstract record available.
Inventors
- 👤 James Ivanhoe John Penfound
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:06
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/06; H04N11/20; H04N11/22; H04N7/00; H04N7/01; H04N7/0105; H04N7/0107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A TELEVISION SIGNAL TRANSMISSION SYSTEM COMPRISING CONVERTING MEANS FOR CONVERTING APPLIED TELEVISION SIGNALS HAVING ONE SCANNING STANDARD INTO TELEVISION SIGNALS HAVING ANOTHER SCANNING STANDARD, MEANS FOR APPLYING TELEVISION SIGNALS TO SAID CONVERTING MEANS DURING SPACED INTERVALS TO DERIVE CORRESPONDING CONVERTED SIGNALS, MEANS FOR APPLYING A REFERENCE SIGNAL TO SAID CONVERTING MEANS DURING INTERVENING INTERVALS TO DERIVE A CORRESPONDING SIGNAL CONSTITUTING A CORRECTING SIGNAL, STORAGE MEANS FOR SAID CORRECTING SIGNAL, AND MEANS RESPONSIVE TO A CORRECT ING SIGNAL DERIVED FROM SAID STORAGE MEANS DURING SAID FIRST MENTIONED INTERVALS TO REDUCE THE EFFECT OF TRANSMISSION VARIATIONS OF SAID CONVERTING MEANS ON TELEVISION SIGNALS DERIVED THEREFROM.
Claim 2
Dependent Claim
103 words
A TELEVISION SIGNAL TRANSMISSION SYSTEM COMPRISING CONVERTING MEANS FOR CONVERTING APPLIED TELEVISION SIGNALS HAVING ONE SCANNING STANDARD INTO TELEVISION SIGNALS HAVING ANOTHER SCANNING STANDARD, MEANS FOR APPLYING TELEVISION SIGNALS TO SAID CONVERTING MEANS DURING SPACED INTERVALS TO DERIVE CORRESPONDING CONVERTED SIGNALS, MEANS FOR APPLYING A REFERENCE SIGNAL TO SAID CONVERTING MEANS DURING INTERVENING INTERVALS TO DERIVE A CORRESPONDING SIGNAL CONSTITUTING A CORRECTING SIGNAL, STORAGE MEANS FOR SAID CORRECTING SIGNAL, AND MEANS RESPONSIVE TO A CORRECT ING SIGNAL DERIVED FROM SAID STORAGE MEANS DURING SAID FIRST MENTIONED INTERVALS TO REDUCE THE EFFECT OF TRANSMISSION VARIATIONS OF SAID CONVERTING MEANS ON TELEVISION SIGNALS DERIVED THEREFROM.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |