Apparatus for processing a color video signal

Details Apparatus for processing a color video signal Apparatus for processing a color video signal

1989-02-23

1990-06-12

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 12, 358 16, H04N 1120

Patent

active

049337483

ABSTRACT:
In an apparatus for processing a repeatedly reproduced single field of a color video signal, the phase of a chrominance subcarrier in the color video signal is shifted by 90 degrees at each field period, and the single repeatedly reproduced field of the color video signal is selectively delayed during alternate field periods for a delay time equal to one-half the horizontal scanning period so that the single field, as repeatedly reproduced and selectively delayed in two successive field periods, can function as interlaced fields of a frame while avoiding distrubance of the chrominance subcarrier due to the selective delaying in alternate field periods.

REFERENCES:
patent: 4605951 (1986-08-01), Kuribayashi

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