US3225134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape reproducing system
Assignee: Ampex Corp
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Filing: 1962-03-30
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Granted: 1965-12-21
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Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 Peter W Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:12
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/79; H04N9/87; H04N9/89; H04N9/797
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A COLOR TELEVISION SIGNAL REPRODUCING SYSTEM COMPRISING: A WIDEBAND SIGNAL REPRODUCING SYSTEM OPERATING IN SYNCHRONISM WITH EXTERNALLY APPLIED REFERENCE SYNCHRONIZING PULSES FOR REPRODUCING THE COLOR TELEVISION SIGNALS; MEANS PROVIDING REFERENCE SYNCHRONIZING PULSES; MEANS PROVIDING COLOR SUBCARRIER REFERENCE SIGNALS; ELECTRONIC CORRECTION MEANS RESPONSIVE TO THE REPRODUCED COLOR TELVISION SIGNALS AND THE COLOR SUBCARRIER REFERENCE SIGNALS FOR ADJUSTING THE TIME BASE OF THE REPRODUCED COLOR TELEVISION SIGNALS; THE ELECTRONIC CORRECTION MEANS INCLUDING PHASE COMPARISON MEANS PROVIDING A PHASE ERROR SIGNAL REPRE-
Claim 2
Dependent Claim
79 words
A COLOR TELEVISION SIGNAL REPRODUCING SYSTEM COMPRISING: A WIDEBAND SIGNAL REPRODUCING SYSTEM OPERATING IN SYNCHRONISM WITH EXTERNALLY APPLIED REFERENCE SYNCHRONIZING PULSES FOR REPRODUCING THE COLOR TELEVISION SIGNALS; MEANS PROVIDING REFERENCE SYNCHRONIZING PULSES; MEANS PROVIDING COLOR SUBCARRIER REFERENCE SIGNALS; ELECTRONIC CORRECTION MEANS RESPONSIVE TO THE REPRODUCED COLOR TELVISION SIGNALS AND THE COLOR SUBCARRIER REFERENCE SIGNALS FOR ADJUSTING THE TIME BASE OF THE REPRODUCED COLOR TELEVISION SIGNALS; THE ELECTRONIC CORRECTION MEANS INCLUDING PHASE COMPARISON MEANS PROVIDING A PHASE ERROR SIGNAL REPRE-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |