Automatic color control circuit having a control signal storing

Details Automatic color control circuit having a control signal storing Automatic color control circuit having a control signal storing

1995-03-29

1996-07-02

Tran, Thai Q.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358310, 348644, 348705, 348713, H04N 979, H04N 968

Patent

active

055328296

ABSTRACT:
A control circuit includes: a capacitor for normal reproduction which stores an output of a reproduction color burst level detection for automatic color signal level control in a color signal processing circuit at the time of normal reproduction in a video cassette recorder; a capacitor for special reproduction which stores an output of a reproduction color burst level detection for automatic color signal level control at the time of special reproduction in the video cassette recorder; a switch for changing-over between outputs of the capacitors to supply a selected output to a gain variable amplifier for color signal amplification; and applying circuit for applying a voltage of the capacitor for special reproduction to the capacitor for normal reproduction at the time of special reproduction.

REFERENCES:
patent: 3789162 (1974-01-01), Miyazaki
patent: 3947871 (1976-03-01), Amari et al.
patent: 4417284 (1983-11-01), Sato
patent: 4519002 (1985-05-01), Amano

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