Position tracking sensor of optical mouse and method of...

Details Position tracking sensor of optical mouse and method of... Position tracking sensor of optical mouse and method of...

2004-11-18

2009-11-03

Zubajlo, Jennifer (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S156000, C345S163000

Reexamination Certificate

active

07612764

ABSTRACT:
Disclosure is a position tracking sensor of an optical mouse and method of controlling the same. The position tracking sensor comprises an image sensor for receiving light inputted from exterior of the optical mouse to detect an image and outputting image information on the detected image, and a controller for determining whether the optical mouse is spaced apart from a worktable using the image information and turning off a light source when it is determined that the optical mouse is spaced apart from the worktable. Thus, it is possible not only to prevent malfunction of the optical mouse resulting from the image detected by external light when the optical mouse is spaced apart from the worktable, but also to prevent the light source from being unnecessarily turned on and the resulting undesired consumption of electrical power.

REFERENCES:
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Taiwan Office Action and English translation; date: Sep. 21, 2006; Application No. 2004100988633. All references cited in the action are listed above.
Notice of Allowance and Search Report; R.O.C. Patent Application No. 93135047; Nov. 16, 2004.

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