Patent US3102927A successfully refreshed from Google Patents.
US3102927A
Expired / Lapsed
US
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Method and arrangement for the transmission of television signals
Assignee: Robert Bosch Fernsehanlagen GmbH
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Filing: 1960-09-29
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Granted: 1963-09-03
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Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 Dillenburger Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:56
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN ARRANGEMENT FOR IMPROVING IN A FREQUENCY- MODULATED CARRIER TRANSMISSION SYSTEM THE TRANSMISSION OF TELEVISION SIGNALS MODULATING THE CARRIER WAVE AND INCLUDING VIDEO SIGNAL PORTIONS AND SYNCHRONIZATION SIGNAL PORTIONS REPRESENTED BY RESPECTIVELY DIFFERENT MODULATED CARRIER FREQUENCIES, COMPRISING, IN COMBINATION, INPUT MEANS FOR INTRODUCING A TELEVISION SIGNAL OBTAINED BY DEMODULATION OF THE FREQUENCY-MODULATED CARRIER WAVE; MEANS FOR SEPARATING THE VIDEO SIGNAL PORTIONS BY AMPLITUDE CLIPPING FROM THE SYNCHRONIZATION SIGNAL PORTIONS OF THE DEMODULATED TELEVISION SIGNAL; FIRST CHANNEL MEANS FOR FORWARDING SAID SEPARATED SYNCHRONIZATION SIGNAL PORTIONS OF SAID DEMODULATED TELEVISION SIGNALS AND INCLUDING MEANS FOR FILTERING SAID SYNCHRONIZATION SIGNAL PORTIONS SO AS TO ELIMINATE THEREFROM AT LEAST A PORTION OF APPEARING RESIDUAL OSCILLATIONS AT THE HIGHER RANGE OF THE MODULATED CARRIER FREQUENCY BAND REPRESENTING SAID SYNCHRONIZATION SIGNAL PORTIONS; SECOND CHANNEL MEANS FOR FORWARDING SAID VIDEO SIGNAL PORTIONS OF SAID DEMODULATED TELEVISION SIGNALS; AND MEANS FOR COMBINING SAID VIDEO SIGNAL PORTIONS FORWARDED BY SAID SECOND CHANNEL MEANS WITH SAID FILTERED SYNCHRONIZATION SIGNAL PORTIONS FORWARDED BY SAID FIRST CHANNEL MEANS SO AS TO RECONSTRUCT A COMPLETE TELEVISION SIGNAL.
Claim 2
Dependent Claim
174 words
AN ARRANGEMENT FOR IMPROVING IN A FREQUENCY- MODULATED CARRIER TRANSMISSION SYSTEM THE TRANSMISSION OF TELEVISION SIGNALS MODULATING THE CARRIER WAVE AND INCLUDING VIDEO SIGNAL PORTIONS AND SYNCHRONIZATION SIGNAL PORTIONS REPRESENTED BY RESPECTIVELY DIFFERENT MODULATED CARRIER FREQUENCIES, COMPRISING, IN COMBINATION, INPUT MEANS FOR INTRODUCING A TELEVISION SIGNAL OBTAINED BY DEMODULATION OF THE FREQUENCY-MODULATED CARRIER WAVE; MEANS FOR SEPARATING THE VIDEO SIGNAL PORTIONS BY AMPLITUDE CLIPPING FROM THE SYNCHRONIZATION SIGNAL PORTIONS OF THE DEMODULATED TELEVISION SIGNAL; FIRST CHANNEL MEANS FOR FORWARDING SAID SEPARATED SYNCHRONIZATION SIGNAL PORTIONS OF SAID DEMODULATED TELEVISION SIGNALS AND INCLUDING MEANS FOR FILTERING SAID SYNCHRONIZATION SIGNAL PORTIONS SO AS TO ELIMINATE THEREFROM AT LEAST A PORTION OF APPEARING RESIDUAL OSCILLATIONS AT THE HIGHER RANGE OF THE MODULATED CARRIER FREQUENCY BAND REPRESENTING SAID SYNCHRONIZATION SIGNAL PORTIONS; SECOND CHANNEL MEANS FOR FORWARDING SAID VIDEO SIGNAL PORTIONS OF SAID DEMODULATED TELEVISION SIGNALS; AND MEANS FOR COMBINING SAID VIDEO SIGNAL PORTIONS FORWARDED BY SAID SECOND CHANNEL MEANS WITH SAID FILTERED SYNCHRONIZATION SIGNAL PORTIONS FORWARDED BY SAID FIRST CHANNEL MEANS SO AS TO RECONSTRUCT A COMPLETE TELEVISION SIGNAL.
References Cited (Backward Citations)
US2403059A
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US2492943A
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US2909596A
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US2956114A
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US2958735A
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US2941032A
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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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |