Cursor control device
US6654003B2 · kind B2 · utility
13Cited by
10References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 2001 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Apr 11, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/03549
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A cursor control device, such as a trackball, controls the movement of a cursor on a computer display. An electromagnetically generated braking effect is applied to the trackball, which effect varies with the speed of the cursor to allow precise control of the cursor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.