Display processor for image data with non-constant pixel size fo

Details Display processor for image data with non-constant pixel size fo Display processor for image data with non-constant pixel size fo

1987-03-02

1988-10-11

Shepperd, John W.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340799, 358 21R, G09G 128

Patent

active

047774819

ABSTRACT:
The invention is embodied in a system comprising image memory and a display processor that automatically processes video data which alternate between having chrominance pixels of greater area than luminance pixels and having chrominance pixels of the same area as luminance pixels. Subsamples describing chrominance pixels of greater size are time-division-multiplexed with samples describing pixels in the image memory output when the former type of processing is done. Whichever format for video data is currently being used, the channel for reading subsamples from image memory to the display processor is used to transmit flag data controlling the mode of processing of video data performed by the video processor.

REFERENCES:
patent: 4490797 (1984-12-01), Staggs et al.
patent: 4496944 (1985-01-01), Collmeyer
patent: 4520358 (1985-05-01), Makino
patent: 4654696 (1987-03-01), Dayton et al.
patent: 4660073 (1987-04-01), Baumeister

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