Graphic display system
US4945499A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1989 |
| Grant date | Jul 31, 1990 |
| Priority date | — |
| Expiry date | Jan 12, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G5/42
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Graphic display controller having central processing unit for preparing display lists so that a graphic display controller displays graphics on a monitor by using the display lists. The controller incvludes a memory for storing original image data as a part of the data base. The memory is accessed by the central processing unit through a memory management unit. The memory management unit maps locical process address to physical address on the memory unit. The memory has a capacity for storing display lists. The graphic display controller directly accesses the display lists stored in the memory through a graphic address transformer. The graphic address transformer maps graphic addresses to physical addresses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.