Optical mouse with reduced power consumption

Details Optical mouse with reduced power consumption Optical mouse with reduced power consumption

2007-05-22

2007-05-22

Allen, Stephone B. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C345S163000

Reexamination Certificate

active

10918504

ABSTRACT:
Power savings occur when the optical path of an optical navigation device is configured to provide that maximum energy from the light source is reflected by the navigation surface to the photosensors of the optical navigation chip. Additional power savings may be achieved when the maximized optical path is combined with the features of a controlled light source that uses specular reflection.

REFERENCES:
patent: 5528022 (1996-06-01), Nakazawa
patent: 2004/0130532 (2004-07-01), Gordon et al.
patent: 2005/0001142 (2005-01-01), Lauffenburger et al.
patent: 2005/0024336 (2005-02-01), Xie et al.

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