Special purpose memory for graphics and display apparatus using the special purpose memory for graphics
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United States of America Patent
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Sep 1, 1998
Grant Date -
N/A
app pub date -
Apr 20, 1995
filing date -
Apr 22, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A three-dimensional graphic display apparatus performs hidden surface removal and color blending. Particularly, the graphic display apparatus includes a configuration of a special purpose memory for graphics, thereby forming a configuration of a graphic display apparatus using the special purpose memory. The special purpose memory for graphics includes a memory cell holding intensity information (RGB) and window information about each pixel, an XY coordinate converter converting XY coordinates of a pixel to be written to a memory address, an intensity blending processor, and hidden-surface removal and window comparators, all of which are formed on the same chip.
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