Input device having two joysticks and touchpad with default template
US6756965B2 · kind B2 · utility
20Cited by
23References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2001 |
| Grant date | Jun 29, 2004 |
| Priority date | — |
| Expiry date | Jul 25, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2300/1068
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer system comprising a central processing unit (CPU), a memory circuit, an I/O coprocessor, and an input device comprising a touchpad and two joysticks positioned one to each side of the touchpad. The input device interfaces to the CPU via a serial data link to the I/O coprocessor. The touchpad has a default template graphic image inscribed on or in the touchpad surface and has a retainer for removably securing template overlays to be used with the touchpad instead of the default template.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.