Graphic display processing apparatus for improving speed and efficiency of a window system
US5583985A · kind A · utility
9Cited by
2References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 25, 1994 |
| Grant date | Dec 10, 1996 |
| Priority date | — |
| Expiry date | Jul 25, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G5/24
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A graphic display processing apparatus which includes a CPU, a VRAM and a display controller, a data operation unit, an access cycle generator, an address generator and a sequential transfer sequencer. The graphic display processing apparatus also includes a mask pattern generator, dot mask generator and data position transformer. In the graphic display process apparatus block transfer and character drawing are reformed at high speeds, thereby making a window system more practical and offering comfortable operational environment to the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.