Graphic processing system having bus connection control functions
US6781590B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 19, 2001 |
| Grant date | Aug 24, 2004 |
| Priority date | — |
| Expiry date | Jan 26, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G5/399
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A graphic processing system having a main memory for storing a program and information corresponding to pixels, a main processor for executing a program transferred from the main memory or from external to control the system, display/output devices for outputting graphic information attained by a control of pixels arranged in a plurality of dimensions, a frame buffer for storing information corresponding to pixels output to the display/output devices, and a graphic processor for receiving a command and parameter information from the main memory and/or the main processor, for generating character and graphic data in accordance with a predetermined processing procedure, and for performing a transfer control including an execution of a drawing processing to transfer generated data through first and second address buses and first and second data buses to the main memory and/or frame buffer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.