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Class Information
Number: 345/557
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Computer graphics display memory system > Cache
Description: Subject matter wherein a high speed storage device stores frequently used graphics information to provide faster accesses.

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
5539428 Video font cache Jul. 23, 1996
5539874 Cache memory device for storing image data Jul. 23, 1996
5539664 Process, apparatus, and system for two-dimensional caching to perform motion estimation in video processing Jul. 23, 1996
5530799 Rendering cache in an object oriented system Jun. 25, 1996
5519825 Method and apparatus for NTSC display of full range animation May. 21, 1996
5454076 Method and apparatus for simultaneously minimizing storage and maximizing total memory bandwidth for a repeating pattern Sep. 26, 1995
5450532 Cache memory system for a color ink jet printer Sep. 12, 1995
5440686 Selecting a data unit candidate to be demoted to a backing store from a front store based upon thresholds individual to each of the data candidates Aug. 8, 1995
5428725 System for performing coordinate transformation of source image data Jun. 27, 1995
5388841 External memory system having programmable graphics processor for use in a video game system or the like Feb. 14, 1995
5376949 Display system with graphics cursor Dec. 27, 1994
5357604 Graphics processor with enhanced memory control circuitry for use in a video game system or the like Oct. 18, 1994
5299300 Interpolation processing of digital map imagery data Mar. 29, 1994
5297251 Method and apparatus for pixel clipping source and destination windows in a graphics system Mar. 22, 1994
5295245 Data rotator for rotating pixel data in three dimensions Mar. 15, 1994
5285323 Integrated circuit chip having primary and secondary random access memories for a hierarchical cache Feb. 8, 1994
5276851 Automatic writeback and storage limit in a high-performance frame buffer and cache memory system Jan. 4, 1994
5208908 Display system having a font cache for the temporary storage of font data May. 4, 1993
5193148 Method and apparatus for pixel clipping source and destination windows in a graphics system Mar. 9, 1993
5185856 Arithmetic and logic processing unit for computer graphics system Feb. 9, 1993
5164716 Image processing system Nov. 17, 1992
5131080 Graphics frame buffer with RGB pixel cache Jul. 14, 1992
5046027 Apparatus and method for processing and displaying images in a digital procesor based system Sep. 3, 1991
4918429 Display system with symbol font memory Apr. 17, 1990
4876651 Digital map system Oct. 24, 1989
4747070 Reconfigurable memory system May. 24, 1988
4665555 Computer based drawing management system May. 12, 1987
4486856 Cache memory and control circuit Dec. 4, 1984

1 2 3 4 5 6 7

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