Anti-rotation mechanism for direct manipulation position input controller for computer
US5491477A · kind A · utility
103Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1993 |
| Grant date | Feb 13, 1996 |
| Priority date | — |
| Expiry date | Sep 13, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/03548
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for inputting and controlling the position of a pointer on a computer screen without permitting any rotation of the apparatus relative to the marker is described. The apparatus comprises a pantagraph device, namely a plate, connect by two arms to a gripable element, and by a separate two arms to a housing, the apparatus being coupled to a position sensing system such as a mouse ball or optical sensing system. This apparatus can be used for easily and accurately controlling a pointer for painting programs and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.