Keyboard with replaceable cursor control means
US5886686A · kind A · utility
41Cited by
10References
7Claims
0Family size
Inventor
Key dates
| Filing date | Oct 21, 1996 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | Oct 21, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0213
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A keyboard having an open chamber in a wrist rest thereof adapted for receiving a track ball and a touch input device alternatively, permitting the track ball or touch signal device to be electrically connected to the internal circuit of the keyboard for signal input. A packing block is provided for mounting in the open chamber of the wrist rest in a flush manner when the track ball and the touch input device are not used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.