Patent US3852520A successfully refreshed from Google Patents.
US3852520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color video signal store
Assignee: TED Bildplatten AG AEG Telefunken Teldec
•
Filing: 1971-08-25
•
Granted: 1974-12-03
•
Expires: 1991-08-25
Abstract
Abstract RECORDED SO THAT IDENTICAL COLOR SIGNALS WITH RESPECT TO THE SELECTED PARAMETERS ARE RECORDED ON ADJACENT TRACK SECTIONS. 1. IN A RECORDING SYSTEM FOR RECORDING COLOR VIDEO SIGNALS INCLUDING MEANS FOR RECORDING THE COLOR VIDEO SIGNALS ALONG A TRACK ON A STORAGE MEDIUM IN A MANNER WHEREBY TRACK SECTIONS WHICH ARE ASSIGNED TO SPATIALLY IDENTICAL POINTS OF SUCCESSIVE FRAMES LIE NEXT TO ONE ANOTHER ON SAID STORAGE MEDIUM, THE IMPROVEMENT COMPRISING: MEANS, CONNECTED TO SAID RECORDING MEANS, FOR CONVERTING AT LEAST ONE SELECTED PARAMETER OF THE MODULATED CHROMINANCE SUBCARRIER TO BE
Inventors
- 👤 W Bruch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:34
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/79; H04N9/80; H04N9/81; H04N5/00; H04N5/76; H04N5/7605; H04N5/78; H04N5/781
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-12-02 | 1978-06-03 | 1978-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-02 | 1982-06-03 | 1982-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-02 | 1986-06-03 | 1986-12-03 | $7700.00 | Window Closed / Lapsed |