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US3488433A
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US
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Video tape recorder employing a delay of the horizontal sync signals to facilitate separation from the video signal
Assignee: Akai Electric Co Ltd
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Filing: 1966-08-24
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Granted: 1970-01-06
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Expires: 1986-08-24
Abstract
No abstract record available.
Inventors
- 👤 Katsuyuki Iwai
- 👤 Motonori Fukatsu
- 👤 Fujio Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:25
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/92; H04N5/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2204427A
Cited
GB1041633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |