US3322892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television signal recording and reproducing with sync signal regeneration
Assignee: Panasonic Holdings Corp
•
Filing: 1963-12-24
•
Granted: 1967-05-30
•
Expires: 1983-12-24
Abstract
No abstract record available.
Inventors
- 👤 Yasuoka Shine
- 👤 Oyama Tomio
- 👤 Aratani Shozo
- 👤 Tanaka Hiromu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:44
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/93; H04N5/932
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A DEVICE FOR RECORDING AND REPRODUCING A TELEVISION SIGNAL COMPRISING A MAGNETIC TAPE, A ROTARY HEAD INCLUDING A MAGNETIC TRANSDUCER, SAID MAGNETIC TRANSDUCER BEING ADAPTED TO SUCCESSIVELY SWEEP DIAGONALLY ACROSS SAID MAGNETIC TAPE, MEANS FOR HOLDING SAID MAGNETIC TRANSDUCER IN DISENGAGMENT FROM SAID MAGNETIC TAPE FOR A CONSTANT RANGE FROM THE END OF ONE SWEEP BY SAID MAGNETIC TRANSDUCER ON SAID MAGNETIC TAPE TO THE BEGINNING OF THE SUCCEEDING SWEEP, SAID RANGE BEING EFFECTIVE TO PRODUCE A NON-RECORDED PERIOD, MEANS FOR ROTATING SAID ROTARY HEAD IN SYNCHRONISM WITH A CYCLE OF A VERTICAL SYNCHRONIZING SIGNAL IN SAID TELEVISION SIGNAL, SAID NON-RECORDED PERIOD BEING DISPOSED IN A VERTICAL BLANKING PERIOD OF SAID TELEVISION SIGNAL, MEANS FOR RECORDING A VIDEO SIGNAL INCLUDING A HORIZONTAL SYNCHRONIZING SIGNAL IN SAID TELEVISION SIGNAL ON SAID MAGNETIC TAPE BY SAID ROTARY HEAD, MEANS FOR RECORDING SAID VERTICAL SYNCHRONIZING SIGNAL ON ONE EDGE OF SAID MAGNETIC TAPE, MEANS FOR REPRODUCING SAID RECORDED VERTICAL SYNCHRONIZING SIGNAL FROM SAID MAGNETIC TAPE SO AS TO OBTAIN A SYNCHRONIZING SIGNAL RESPONSIVE TO SAID REPRODUCED VERTICAL SYNCHRONIZING SIGNAL, AND MEANS FOR REPRODUCING SAID RECORDED VIDEO SIGNAL FROM SAID MAGNETIC TAPE FOR COMBINING SAID REPRODUCED VIDEO SIGNAL WITH SAID SYNCHRONIZING SIGNAL.
Claim 2
Independent Claim
198 words
A DEVICE FOR RECORDING AND REPRODUCING A TELEVISION SIGNAL COMPRISING A MAGNETIC TAPE, A ROTARY HEAD INCLUDING A MAGNETIC TRANSDUCER, SAID MAGNETIC TRANSDUCER BEING ADAPTED TO SUCCESSIVELY SWEEP DIAGONALLY ACROSS SAID MAGNETIC TAPE, MEANS FOR HOLDING SAID MAGNETIC TRANSDUCER IN DISENGAGMENT FROM SAID MAGNETIC TAPE FOR A CONSTANT RANGE FROM THE END OF ONE SWEEP BY SAID MAGNETIC TRANSDUCER ON SAID MAGNETIC TAPE TO THE BEGINNING OF THE SUCCEEDING SWEEP, SAID RANGE BEING EFFECTIVE TO PRODUCE A NON-RECORDED PERIOD, MEANS FOR ROTATING SAID ROTARY HEAD IN SYNCHRONISM WITH A CYCLE OF A VERTICAL SYNCHRONIZING SIGNAL IN SAID TELEVISION SIGNAL, SAID NON-RECORDED PERIOD BEING DISPOSED IN A VERTICAL BLANKING PERIOD OF SAID TELEVISION SIGNAL, MEANS FOR RECORDING A VIDEO SIGNAL INCLUDING A HORIZONTAL SYNCHRONIZING SIGNAL IN SAID TELEVISION SIGNAL ON SAID MAGNETIC TAPE BY SAID ROTARY HEAD, MEANS FOR RECORDING SAID VERTICAL SYNCHRONIZING SIGNAL ON ONE EDGE OF SAID MAGNETIC TAPE, MEANS FOR REPRODUCING SAID RECORDED VERTICAL SYNCHRONIZING SIGNAL FROM SAID MAGNETIC TAPE SO AS TO OBTAIN A SYNCHRONIZING SIGNAL RESPONSIVE TO SAID REPRODUCED VERTICAL SYNCHRONIZING SIGNAL, AND MEANS FOR REPRODUCING SAID RECORDED VIDEO SIGNAL FROM SAID MAGNETIC TAPE FOR COMBINING SAID REPRODUCED VIDEO SIGNAL WITH SAID SYNCHRONIZING SIGNAL.
References Cited (Backward Citations)
US3251934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |