Frame buffer address generator for the mulitple format display of multiple format source video
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United States of America Patent
Stats
-
Jul 16, 1996
Grant Date -
N/A
app pub date -
Mar 24, 1994
filing date -
Mar 24, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A video imaging system having an image memory for storing a plurality of image frames and a video display having a matrix of pixels. Apparatus generates addresses for accessing pixels stored in the image memory to be displayed on the video display. The address generating apparatus includes a programmable mapping memory for storing a pixel descriptor of each pixel to be displayed on the video display, each pixel descriptor including a pixel group identification field which identifies a group of pixels on the video display, and an address field which includes address information of the image memory of pixels to be displayed. An address manager and a control causes each pixel descriptor read out of the mapping memory to be processed according to its pixel group to effect multiple format display of multiple format source video.
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