US3167611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color-television apparatus for improving resolution during monochrome reception
Assignee: Hazeltine Research Inc
•
Filing: 1960-03-25
•
Granted: 1965-01-26
•
Expires: 1980-03-25
Abstract
No abstract record available.
Inventors
- 👤 St John Karl Mcclelland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:41
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/64; H04N9/646
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A COMPATIBLE COLOR-TELEVISION APPARATUS FOR IMPROVING RESOLUTION DURING MONOCHROME RECEPTION COMPRISING: A WIDE BAND-WIDTH MONOCHROME CHANNEL; MEANS FOR SUPPLYING A SIGNAL SIMILAR TO UNDESIRABLE CHROMINANCE SIGNALS; AND MEANS FOR COUPLING SAID SIGNAL INTO SAID CHANNEL SO THAT SAID UNDESIRABLE CHROMINANCE SIGNALS ARE SUBSTANTIALLY DELETED FROM SAID CHANNEL.
Claim 2
Dependent Claim
47 words
A COMPATIBLE COLOR-TELEVISION APPARATUS FOR IMPROVING RESOLUTION DURING MONOCHROME RECEPTION COMPRISING: A WIDE BAND-WIDTH MONOCHROME CHANNEL; MEANS FOR SUPPLYING A SIGNAL SIMILAR TO UNDESIRABLE CHROMINANCE SIGNALS; AND MEANS FOR COUPLING SAID SIGNAL INTO SAID CHANNEL SO THAT SAID UNDESIRABLE CHROMINANCE SIGNALS ARE SUBSTANTIALLY DELETED FROM SAID CHANNEL.
References Cited (Backward Citations)
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Cited
US2895004A
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US2854508A
Cited
US2884485A
Cited
US2905751A
Cited
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Cited
US2924651A
Cited
GB842512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |