Method and apparatus for NTSC display of full range animation
US5519825A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1993 |
| Grant date | May 21, 1996 |
| Priority date | — |
| Expiry date | Nov 16, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S345/95
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Full-motion animation video is displayed in a computer system through use of sprite objects. The sprite objects define the images on the output display, and the locations of the sprite objects are changed to create the animation. The computer system includes three areas of physical memory assigned the status of a front buffer, a back buffer, and a cache buffer. The front buffer stores a frame currently displayed on the output display. The cache buffer is utilized to store a subset of the sprite objects so that all sprite objects need not be rendered for each frame of animation. The contents of the cache buffer are copied to the back buffer during display of the front buffer. To display a subsequent frame, the front and back buffers are switched. A cache buffer permits display of full-motion animation by minimizing use of processor and computer resources.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.