Apparatus for digitally controlling pal color display

Details Apparatus for digitally controlling pal color display Apparatus for digitally controlling pal color display

1978-09-11

1980-08-12

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 82, 358183, H04N 938

Patent

active

042176042

ABSTRACT:
An apparatus for digitally controlling the display of color in a phase alternation line (PAL) video display is disclosed. Coded digital signals are shifted in a recirculating shift register. The direction of shifting in the register and the stage at which the signals in the register are sensed are changed as a function of odd/even display lines to compensate for PAL phase reversals.

REFERENCES:
patent: 3742125 (1973-06-01), Siegel
patent: 3936868 (1976-02-01), Thorpe

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