Invention Grant
- Patent Title: Light brightness controller for an optical mouse
- Patent Title (中): 用于光电鼠标的光亮度控制器
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Application No.: US10964758Application Date: 2004-10-15
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Publication No.: US07471282B2Publication Date: 2008-12-30
- Inventor: Chia-Chun Lin
- Applicant: Chia-Chun Lin
- Applicant Address: TW Hsinchu
- Assignee: Sunplus Technology Co., Ltd.
- Current Assignee: Sunplus Technology Co., Ltd.
- Current Assignee Address: TW Hsinchu
- Agency: Bacon & Thomas, PLLC
- Priority: TW93105862A 20040305
- Main IPC: G06F3/033
- IPC: G06F3/033
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.
Public/Granted literature
- US20050195169A1 Light brightness controller for an optical mouse Public/Granted day:2005-09-08
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