US3553080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuitry for recording and reproducing video signal information as multiple limited bandwidth signals
Assignee: V M Corp
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Filing: 1968-02-21
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Granted: 1971-01-05
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Expires: 1988-02-21
Abstract
Abstract THIS INVENTION RELATES TO SIGNAL CIRCUITRY AND APPARATUS PARTICULARLY ADAPTED FOR PROVIDING AN INTERMEDIATE RECORDING OF VIDEO SIGNAL INFORMATION WHICH MAY BE ACHIEVED IN VARIOUSWAYS, SUCH AS ELECTROMAGNETICALLY, AND WHICH UNDER NORMAL CONDITIONSD BECAUSE OF BAND WIDTH PARTICULARLY NORMALLY COULD BE ACCURATELY RECORDED DUE TO LIMITATIONS IN THE RECORDING ELEMENT. IN ITS BROADEST FORM, THE INVENTION PROIVIDES FOR TRANSLATING VIDEO SIGNAL INFORMATION INTO A SERIES OF PULSES WHICH THEN ARE EXPANDED PRIOR TO BEING RECORDED AND SUBSEQUENT TO RECORDING ARE RECONVERTED INTO ELECTRICAL SIGNALING ENERGY FROM WHICH THE VIDEO INFORMATION IS LATER PRODUCED.
Inventors
- 👤 Robert J Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:01
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/66; H04B1/662; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/917; H04N5/919; H04N5/92
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |