Perspective display device for displaying and manipulating 2-D or 3-D cursor, 3-D object and associated mark position
US4987527A · kind A · utility
45Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1988 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Oct 24, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/36017
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A manual operating system for manually operating a pattern displayed on a screen of a graphics display device, which is included in the manual operating system so as to display generated patterns comprises perspective projection means for displaying the cursor, object and mark in perspective projection on the basis of information supplied from cursor information storage means and object information storage means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.