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US3267210A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic saturation control for color-television receiver

Assignee: Hazeltine Research Inc
•
Filing: 1963-07-17
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Granted: 1966-08-16
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Expires: 1983-07-17
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Abstract

No abstract record available.

Inventors

  • 👤 George B Townsend

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 10:40
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)

US2798900A Cited
US2841643A Cited
US2894061A Cited
US2948775A Cited
US2913519A Cited

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

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