Video signal processor with automatic kinescope white balance an

Details Video signal processor with automatic kinescope white balance an Video signal processor with automatic kinescope white balance an

1983-05-23

1985-05-07

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 74, 358243, H04N 9535, H04N 918, H04N 568

Patent

active

045161526

ABSTRACT:
A color television receiver includes a network for automatically limiting excessive kinescope beam currents developed in response to video signal image information, and a white balance control network for automatically controlling the white level drive (gain) characteristics of the kinescope in response to a white drive reference signal applied to the video signal path during given measuring intervals. A control signal developed by the beam current limiter network, otherwise applied to the video signal path, is decoupled from the video signal path during the white level measuring intervals to prevent distortion of the white level control function.

REFERENCES:
patent: 4342048 (1982-07-01), Falater et al.
patent: 4370674 (1983-01-01), Johnson et al.
ITT Corp. Technical Bulletin, "Digit 2000 VLSI Digital TV System" Apr. 1983.

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