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Class Information
Number: 345/533
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Computer graphics display memory system > Graphic display memory controller > Using different access modes
Description: Subject matter wherein different access modes are used for controlling the read/write operations of the graphics display memory (e.g., raster scan mode, block mode, burst mode, accessing each memory devise sequentially and in parallel etc.).

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7027057 Entering and exiting power managed states without disrupting accelerated graphics port transactions Apr. 11, 2006
6992679 Hardware display rotation Jan. 31, 2006
6977655 Dual mode DDR SDRAM/SGRAM Dec. 20, 2005
6924808 Area pattern processing of pixels Aug. 2, 2005
6924810 Hierarchical texture cache Aug. 2, 2005
6919902 Method and apparatus for fetching pixel data from memory Jul. 19, 2005
6906720 Multipurpose memory system for use in a graphics system Jun. 14, 2005
6903744 Graphics processing system Jun. 7, 2005
6897873 Display control apparatus having replaceable color palette May. 24, 2005
6886070 Multiple user interfaces for an integrated flash device Apr. 26, 2005
6870541 RAM incorporated display driver for reducing load on display screen control and image display apparatus including the same display driver Mar. 22, 2005
6868487 Data storage device and method for storing information using alternate information storage architectures Mar. 15, 2005
6847368 Graphics system with a buddy / quad mode for faster writes Jan. 25, 2005
6831650 Checkerboard buffer using sequential memory locations Dec. 14, 2004
6831651 Checkerboard buffer Dec. 14, 2004
6809737 Method and apparatus for supporting multiple monitor orientations Oct. 26, 2004
6803917 Checkerboard buffer using memory bank alternation Oct. 12, 2004
6801204 Checkerboard buffer using memory blocks Oct. 5, 2004
6781587 Video graphic interface device and method for portrait and landscape image display modes Aug. 24, 2004
6712476 Projection display apparatus and method of display Mar. 30, 2004
6680737 Z test and conditional merger of colliding pixels during batch building Jan. 20, 2004
6658531 Method and apparatus for accessing graphics cache memory Dec. 2, 2003
6643756 System and method for accessing video data using a translation client Nov. 4, 2003
6628292 Creating page coherency and improved bank sequencing in a memory access command stream Sep. 30, 2003
6621496 Dual mode DDR SDRAM/SGRAM Sep. 16, 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
6559852 Z test and conditional merger of colliding pixels during batch building May. 6, 2003
6542140 Color liquid crystal display and display method thereof Apr. 1, 2003
6509851 Method for using a recovered data-encoded clock to convert high-frequency serial data to lower frequency parallel data Jan. 21, 2003
6275242 Method and apparatus for terminating direct memory access transfers from system memory to a video device Aug. 14, 2001
6259459 Apparatus and method for image data processing of pixel data in raster lines Jul. 10, 2001
6147696 Electronic entertainment and communication system Nov. 14, 2000
6101620 Testable interleaved dual-DRAM architecture for a video memory controller with split internal/external memory Aug. 8, 2000
6072506 Method and apparatus for improved graphics picking using auxiliary buffer information Jun. 6, 2000
6052134 Memory controller and method for dynamic page management Apr. 18, 2000
5949440 Method and apparatus for processing graphics primitives in multiple modes using reconfigurable hardware Sep. 7, 1999
5949441 Multimedia terminal with an encoder for converting analog video data to compressed digitized video data Sep. 7, 1999
5933159 Memory system for processing digital video signal Aug. 3, 1999
5917504 Image processing apparatus, switching between images having pixels of first and second numbers of bits Jun. 29, 1999
5905483 Display control apparatus May. 18, 1999
5894312 Image processing apparatus for processing digital signals Apr. 13, 1999
5884067 Memory controller for controlling different memory types and generating uncorrectable error faults when an access operation is performed to a wrong type Mar. 16, 1999
5867179 Interleaved-to-planar data conversion Feb. 2, 1999
5860076 48-bit wide memory architecture addressing scheme reconfigurable for 8-bit, 16-bit and 32-bit data accesses Jan. 12, 1999
5850231 Electronic device having ferroelectric memory Dec. 15, 1998
5838955 Controller for providing access to a video frame buffer in split-bus transaction environment Nov. 17, 1998
5717904 Apparatus and methods for automatically controlling block writes Feb. 10, 1998
5706480 Memory device and method for processing digital video signal Jan. 6, 1998
5630106 DRAM controller including bus-width selection and data inversion May. 13, 1997
5481279 Method and system for displaying serial images Jan. 2, 1996

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