Patent · US Expired

Wireless optical input device

US7425945B2 · kind B2 · utility

9Cited by
9References
48Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 2004
Grant dateSep 16, 2008
Priority date
Expiry dateAug 18, 2025

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.