Control circuit for use with a cut-off adjusting circuit and a d

Details Control circuit for use with a cut-off adjusting circuit and a d Control circuit for use with a cut-off adjusting circuit and a d

1995-08-02

1997-08-12

Lee, Michael H.

Television

Image signal processing circuitry specific to television

Chrominance signal amplitude control

348655, 348689, 348696, H04N 972, H04N 973, H04N 968

Patent

active

056570988

ABSTRACT:
Control circuits for the cut-off and drive control of video equipment. A first control device includes a cut-off control circuit and drive control circuit for use in conventional modes. A second control device includes a cut-off control circuit for mode switching and a drive control circuit for mode switching, independent of the first control device. The cut-off and drive adjustments made for every mode switching operation are unnecessary, and the mode switching based on off set data is possible.

REFERENCES:
patent: 3898381 (1975-08-01), Amsen et al.
patent: 4458263 (1984-07-01), Schutte
patent: 4751577 (1988-06-01), Kawai
patent: 5257096 (1993-10-01), Oshima
patent: 5325184 (1994-06-01), Choi
patent: 5406336 (1995-04-01), Harlos et al.
Panasonic Company, "Service Manual for Color TV", 1992, Cover Sheet and p. 17.

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