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Class Information
Number: 345/531
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Computer graphics display memory system > Graphic display memory controller
Description: Subject matter including means for controlling the read/write operations of the graphics display memory.










Sub-classes under this class:

Class Number Class Name Patents
345/534 Memory access timing signals 204
345/535 Memory arbitration 180
345/532 Plural memory controllers 117
345/533 Using different access modes 111


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
6661421 Methods for operation of semiconductor memory Dec. 9, 2003
6650333 Multi-pool texture memory management Nov. 18, 2003
6646646 Memory system having programmable multiple and continuous memory regions and method of use thereof Nov. 11, 2003
6647486 Information processing apparatus for entertainment system utilizing DMA-controlled high-speed transfer and processing of routine data Nov. 11, 2003
6639613 Alternate display content controller Oct. 28, 2003
6639602 Image data demodulation apparatus and method thereof Oct. 28, 2003
6633296 Apparatus for providing data to a plurality of graphics processors and method thereof Oct. 14, 2003
6630935 Geometric engine including a computational module for use in a video graphics controller Oct. 7, 2003
6630936 Mechanism and method for enabling two graphics controllers to each execute a portion of a single block transform (BLT) in parallel Oct. 7, 2003
6628292 Creating page coherency and improved bank sequencing in a memory access command stream Sep. 30, 2003
6624818 Method and apparatus for shared microcode in a multi-thread computation engine Sep. 23, 2003
6611272 Method and apparatus for rasterizing in a hierarchical tile order Aug. 26, 2003
6600492 Picture processing apparatus and picture processing method Jul. 29, 2003
6593932 System for implementing a graphic address remapping table as a virtual register file in system memory Jul. 15, 2003
6593930 Method and apparatus to execute a memory maintenance operation during a screen blanking interval Jul. 15, 2003
6593959 Stereoscopic image display apparatus using micropolarizer Jul. 15, 2003
6587110 Image processing unit, image processing system using the same, and image processing method Jul. 1, 2003
6573900 Method, apparatus and article of manufacture for a sequencer in a transform/lighting module capable of processing multiple independent execution threads Jun. 3, 2003
6570572 Line delay generator using one-port RAM May. 27, 2003
6567099 Method and system for dynamically allocating a frame buffer for efficient anti-aliasing May. 20, 2003
6563506 Method and apparatus for memory bandwith allocation and control in a video graphics system May. 13, 2003
6559851 Methods for semiconductor systems for graphics processing May. 6, 2003
6559850 Method and system for improved memory access in accelerated graphics port systems May. 6, 2003
6549209 Image processing device and image processing method Apr. 15, 2003
6545684 Accessing data stored in a memory Apr. 8, 2003
6542159 Apparatus to control memory accesses in a video system and method thereof Apr. 1, 2003
6529198 Parallel rendering device Mar. 4, 2003
6518972 3-D graphics chip with embedded DRAM buffers Feb. 11, 2003
6504548 Data processing apparatus having DRAM incorporated therein Jan. 7, 2003
6496193 Method and apparatus for fast loading of texture data into a tiled memory Dec. 17, 2002
6496192 Modular architecture for image transposition memory using synchronous DRAM Dec. 17, 2002
6486885 Memory device and method Nov. 26, 2002
6483515 Method and apparatus for displaying data patterns in information systems Nov. 19, 2002
6483510 Integrated graphic and character mixing circuit for driving an LCD display Nov. 19, 2002
6480199 Image processing apparatus Nov. 12, 2002
6477623 Method for providing graphics controller embedded in a core logic unit Nov. 5, 2002
6473088 System for displaying multiple images and display method therefor Oct. 29, 2002
6469703 System of accessing data in a graphics system and method thereof Oct. 22, 2002
6466219 Storage device and image data processing apparatus Oct. 15, 2002
6466221 Data processing system and image processing system Oct. 15, 2002
6448972 System and method for randomly generating content parameters in a computer graphics environment Sep. 10, 2002
6437789 Multi-level cache controller Aug. 20, 2002
6433785 Method and apparatus for improving processor to graphics device throughput Aug. 13, 2002
6429876 Method and apparatus for video graphics antialiasing with memory overflow optimization Aug. 6, 2002
6424349 Data controller with a data converter for display panel Jul. 23, 2002
6411302 Method and apparatus for addressing multiple frame buffers Jun. 25, 2002
6392619 Data transfer device and liquid crystal display device May. 21, 2002
6384831 Graphic processor and data processing system May. 7, 2002
6377267 Graphic processing apparatus and method Apr. 23, 2002
6377268 Programmable graphics memory apparatus Apr. 23, 2002

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