Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chia-Chun Lin0
Date of Patent
December 30, 2008
0Patent Application Number
109647580
Date Filed
October 15, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A light brightness controller for an optical mouse, which has a light source, a current switch and a control unit. The light source illuminates a sampling plane of a mouse. The current switch has a plurality of switches respectively connected to the light source such that the control unit connected to the current switch can control an amplitude of current flowing through the light source by turning the switches on and off, thereby controlling a brightness of the light source.
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