US3267210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic saturation control for color-television receiver
Assignee: Hazeltine Research Inc
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Filing: 1963-07-17
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Granted: 1966-08-16
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Expires: 1983-07-17
Abstract
No abstract record available.
Inventors
- 👤 George B Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:33
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/64; H04N9/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A COLOR-TELEVISION RECEIVER COMPRISING: A SOURCE OF MODULATED WAVE SIGNAL INCLUDING A LUMINANCE SIGNAL CHANNEL FOR DERIVING A LUMINANCE SIGNAL AND A CHROMINANCE SIGNAL CHANNEL FOR DERIVING A CHROMINANCE SIGNAL; FIRST MEANS COUPLED TO SAID SOURCE FOR DERIVING A FIRST D.-C. VOLTAGE WHOSE MAGNITUDE IS PROPORTIONAL TO THE LEVEL OF SAID LUMINANCE SIGNAL IN SAID LUMINANCE CHANNEL; SECOND MEANS COUPLED TO SAID SOURCE FOR DERIVING A SECOND D.-C. VOLTAGE WHOSE MAGNITUDE IS PROPORTIONAL TO THE LEVEL OF SAID CHROMINANCE SIGNAL IN SAID CHROMINANCE CHANNEL; AND THIRD MEANS FOR UTILIZING SAID FIRST AND SECOND D.-C. VOLTAGES TO DERIVE A CONTROL SIGNAL, VARIATIONS IN WHICH CONTROL SIGNAL ARE INDICATIVE OF VARIATIONS IN SATURATION, AND FOR UTILIZING SAID CONTROL SIGNAL TO MAINTAIN SAID CONTROL SIGNAL AND SATURATION AT PREDETERMINED VALUES.
Claim 2
Dependent Claim
127 words
A COLOR-TELEVISION RECEIVER COMPRISING: A SOURCE OF MODULATED WAVE SIGNAL INCLUDING A LUMINANCE SIGNAL CHANNEL FOR DERIVING A LUMINANCE SIGNAL AND A CHROMINANCE SIGNAL CHANNEL FOR DERIVING A CHROMINANCE SIGNAL; FIRST MEANS COUPLED TO SAID SOURCE FOR DERIVING A FIRST D.-C. VOLTAGE WHOSE MAGNITUDE IS PROPORTIONAL TO THE LEVEL OF SAID LUMINANCE SIGNAL IN SAID LUMINANCE CHANNEL; SECOND MEANS COUPLED TO SAID SOURCE FOR DERIVING A SECOND D.-C. VOLTAGE WHOSE MAGNITUDE IS PROPORTIONAL TO THE LEVEL OF SAID CHROMINANCE SIGNAL IN SAID CHROMINANCE CHANNEL; AND THIRD MEANS FOR UTILIZING SAID FIRST AND SECOND D.-C. VOLTAGES TO DERIVE A CONTROL SIGNAL, VARIATIONS IN WHICH CONTROL SIGNAL ARE INDICATIVE OF VARIATIONS IN SATURATION, AND FOR UTILIZING SAID CONTROL SIGNAL TO MAINTAIN SAID CONTROL SIGNAL AND SATURATION AT PREDETERMINED VALUES.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |