Cursor control device
US6034668A · kind A · utility
13Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 7, 1997 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | May 7, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0317
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to computer control devices and, more particularly, to devices for controlling the position of a cursor on a computer display. The invention permits improved technology for cursor control devices. Certain embodiments of devices according to the present invention offer an edge detection system that uniquely identifies the maximum and minimum edges for use in a cursor control device, utilizing improved grating plates. Certain embodiments offer more reliable switch cycle detection in a cursor control device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.