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Class Information
Number: 345/554
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Computer graphics display memory system > Multi-port memory
Description: Subject matter wherein the graphics display memory is configured such that there is more than one access port to and from the graphics display memory.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8554374 Thermostat with electronic image display Oct. 8, 2013
8497866 Wireless graphics card Jul. 30, 2013
8243069 Late Z testing for multiple render targets Aug. 14, 2012
8232991 Z-test result reconciliation with multiple partitions Jul. 31, 2012
8228328 Early Z testing for multiple render targets Jul. 24, 2012
7873757 Controlling complex non-linear data transfers Jan. 18, 2011
7852341 Method and system for patching instructions in a shader for a 3-D graphics pipeline Dec. 14, 2010
7580042 Systems and methods for storing and fetching texture data using bank interleaving Aug. 25, 2009
7536499 Memory access control device and processing system having same May. 19, 2009
7489318 Apparatus and method for managing memory to generate a texture from a render target when forming graphical images Feb. 10, 2009
7466316 Apparatus, system, and method for distributing work to integrated heterogeneous processors Dec. 16, 2008
7446773 Apparatus, system, and method for integrated heterogeneous processors with integrated scheduler Nov. 4, 2008
7427989 Raster engine with multiple color depth digital display interface Sep. 23, 2008
7336275 Pseudo random number generator and method Feb. 26, 2008
7265741 Display apparatus and display apparatus drive method Sep. 4, 2007
7256790 Video and graphics system with MPEG specific data transfer commands Aug. 14, 2007
7106337 Portable digital graphic processing device Sep. 12, 2006
7064764 Liquid crystal display control device Jun. 20, 2006
6954209 Computer CPU and memory to accelerated graphics port bridge having a plurality of physical buses with a single logical bus number Oct. 11, 2005
6924812 Method and apparatus for reading texture data from a cache Aug. 2, 2005
6853385 Video, audio and graphics decode, composite and display system Feb. 8, 2005
6798420 Video and graphics system with a single-port RAM Sep. 28, 2004
6778179 External dirty tag bits for 3D-RAM SRAM Aug. 17, 2004
6509901 Image generating apparatus and a method thereof Jan. 21, 2003
6466216 Computer system with optimized display control Oct. 15, 2002
RE37879 Image control device for use in a video multiplexing system for superimposition of scalable video data streams upon a background video data stream Oct. 15, 2002
6307565 System for dual buffering of asynchronous input to dual port memory for a raster scanned display Oct. 23, 2001
6268929 Data processing device for simultaneously reading out plural lines of image and a method therefor Jul. 31, 2001
6262748 Frame buffer memory with on-chip AIU and pixel cache Jul. 17, 2001
6195106 Graphics system with multiported pixel buffers for accelerated pixel processing Feb. 27, 2001
6188381 Modular parallel-pipelined vision system for real-time video processing Feb. 13, 2001
6091429 Video/graphics memory system Jul. 18, 2000
6044419 Memory handling system that backfills dual-port buffer from overflow buffer when dual-port buffer is no longer full Mar. 28, 2000
6040844 Apparatus and method for storing and accessing picture generation data Mar. 21, 2000
6020904 High speed signal conversion method and device Feb. 1, 2000
5943065 Video/graphics memory system Aug. 24, 1999
5898442 Display control device Apr. 27, 1999
5893167 Data transfer control of a video memory having a multi-divisional random access memory and a multi-divisional serial access Apr. 6, 1999
RE35921 Dynamic video RAM incorporating single clock random port control Oct. 13, 1998
5796930 System architecture for processing and transporting page-map or bit-map data to a raster print engine Aug. 18, 1998
5790111 High-speed video display system Aug. 4, 1998
5787311 Integrated circuit multiport memory having serial access bit mask register and method for writing in the multiport memory Jul. 28, 1998
5784073 Electro-optical device and method of driving the same Jul. 21, 1998
5760791 Graphic RAM having a dual port and a serial data access method thereof Jun. 2, 1998
5754157 Method for forming column signals for a liquid crystal display apparatus May. 19, 1998
5748201 Semiconductor memory device having multiple modes that allow the cell array to be divided into a variable number of portions May. 5, 1998
5740338 Method for merging variable image data into a template image Apr. 14, 1998
5694560 Workstation for displaying dynamic image with real-time special effects Dec. 2, 1997
5678035 Image data memory control unit Oct. 14, 1997
5640502 Bit-mapped on-screen-display device for a television receiver Jun. 17, 1997

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