Image priority video switch
US5185858A · kind A · utility
17Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1989 |
| Grant date | Feb 9, 1993 |
| Priority date | — |
| Expiry date | Dec 1, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video switch having at least two inputs from separate frame buffers and being controlled by a select control signal as to which buffer signal will control the electron guns in the cathode ray tube. The determination of which frame buffer signal is applied on a pixel-by-pixel basis is determined by priority bits from priority buffers. In case of a tie in priority, a tie bit is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.