Transformation circuit to effect raster operations
US4799173A · kind A · utility
10Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1986 |
| Grant date | Jan 17, 1989 |
| Priority date | — |
| Expiry date | Feb 28, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T3/02
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Circuitry to enable pixel signals, which represent information that is stored in a first section of memory (and which information defines an image, or images to be viewed on a CRT display) to be transferred to a different section of memory and in the course of the transferral be: expanded or reduced in number; and/or rotated, by arbitrary angles from the original orientation of the image; and/or have the holes, or missing pixels, which occur because of the rotation by the arbitrary angles filled in, or replaced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.