Wireless optical input device
US6781570B1 · kind B1 · utility
98Cited by
46References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2000 |
| Grant date | Aug 24, 2004 |
| Priority date | — |
| Expiry date | Jun 14, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0317
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
One embodiment of the present invention provides a wireless input device that employs optical sensing to effect the likes of cursor movement and scrolling. Power management techniques can be optionally employed to avoid premature depletion of the wireless input device's power source. Another embodiment of the present invention provides a wireless device having a power management algorithm controlling its power consumption. Another embodiment of the present invention provides a method for managing the power consumption of a wireless device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.