Circuit for signal processing in a picture display device

Details Circuit for signal processing in a picture display device Circuit for signal processing in a picture display device

1985-02-05

1987-03-24

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

315411, H04N 514, H04N 563, H01J 2970

Patent

active

046529233

ABSTRACT:
A circuit for signal processing in a picture display device, comprising a line signal and audio signal processing stages which form part of an integrated circuit. A uni-directionally current-conducting element is provided between a supply terminal of the line signal processing stage and a signal terminal of the audio signal processing stage and a further uni-directionally current-conducting element is provided between the supply terminal of the line signal processing stage and a supply terminal of the audio signal processing stage. The elements are not simultaneously conductive. The signal terminal of the audio signal processing stage can either be a supply terminal for the line signal processing stage or a volume terminal for the audio signal processing stage.

REFERENCES:
patent: 3962532 (1976-06-01), Aubert et al.
patent: 4000441 (1976-12-01), Reh et al.
patent: 4188568 (1980-02-01), Manners
patent: 4215296 (1980-07-01), Mitamura et al.
patent: 4362974 (1982-12-01), Dietz

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