Apparatus for storing data both video and graphics signals in a single frame buffer
US5257348A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1992 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Sep 17, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/125
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A computer subsystem for presenting both video and graphic information on a computer output display in a computer system having a central processing unit and a frame buffer including apparatus for providing a video input signal representing full frame of video interlaced data, apparatus for selecting a rectangular portion of the video data to be presented, apparatus for converting the selected portion of the video signal into a stream of digitized pixel signals, apparatus for designating each such pixel of video information which is to be written to the frame buffer, and apparatus for addressing each of such pixels for storage at selected points of the frame buffer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.