发明申请
- 专利标题： MOUSE WHEEL ASSEMBLY
- 专利标题（中）： 小鼠轮组件
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申请号： US13544530申请日： 2012-07-09
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公开(公告)号： US20120268375A1公开(公告)日： 2012-10-25
- 发明人: Chih Hung LU , Wei Chung WANG
- 申请人： Chih Hung LU , Wei Chung WANG
- 申请人地址： TW Hsin-Chu
- 专利权人： PIXART IMAGING INC.
- 当前专利权人： PIXART IMAGING INC.
- 当前专利权人地址： TW Hsin-Chu
- 优先权： TW098206542 20090420
- 主分类号： G06F3/033
- IPC分类号： G06F3/033
摘要：
A mouse wheel assembly is provided according to the present invention. The mouse wheel assembly includes a member and an optical module. The member has a pattern formed thereon. The optical module is adapted to illuminate the pattern on the member, capture an image of the pattern as a result of the illumination and recognize a feature change of the image of the pattern to obtain the change direction and change speed of the member.