Signal phase control by memory cycle read/write groups unlock

Details Signal phase control by memory cycle read/write groups unlock Signal phase control by memory cycle read/write groups unlock

1985-10-17

1988-01-05

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 17, 358323, 360 341, H04N 944, H04N 989

Patent

active

047179503

ABSTRACT:
An apparatus for controlling the phase of a video data signal to effect color correction includes a video data memory and memory control circuit. Interlaced write and read portions of the memory cycle are selectively spaced in time within a memory read/write cycle to enable shifting the read portion by a selected fraction of the memory read/write cycle without affecting the write portion, whereby color correction is achieved.

REFERENCES:
patent: 4007486 (1977-02-01), Inaba et al.

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