Video output controller and video card

Details Video output controller and video card Video output controller and video card

2005-07-05

2005-07-05

Tung, Kee M. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphic processing system

Graphic command processing

C345S502000, C710S022000, C710S024000

Reexamination Certificate

active

06914606

ABSTRACT:
A video output controller has a video output buffer, a DMA controller, and a display controller. The display controller has a DMA command list processor configured to determine which of the DMA commands contained in the DMA command list must be issued, an initialize signal port configured to receive an initialize signal for starting initialization, a step signal port configured to receive a step signal for starting the issuance of the DMA command, and an external signal processor configured to provide the DMA command list processor with a timing signal for issuing a DMA command according to the initialize signal and step signal .

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patent: 2001-84217 (2001-03-01), None
patent: 2002-132706 (2002-05-01), None

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