Raster assembly processor
US4947257A · kind A · utility
108Cited by
18References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1988 |
| Grant date | Aug 7, 1990 |
| Priority date | — |
| Expiry date | Oct 4, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/125
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system for combining a plurality of video signals and various forms of still imagery such as text or graphics into a single high resolution display is disclosed. The invention system utilizes a multiport memory and a key based memory access system to flexibly compose a multiplicity of video signals and still images into a full color high definition television display comprising a plurality of overlapping windows.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.