发明名称 |
Optical input device and method of optically sensing user inputs |
摘要 |
An optical input device and method of optically sensing user inputs captures frames of image data using light reflected from an undersurface of a movable pad to estimate movements of the movable pad. Furthermore, the movable pad is automatically returned to an initial position when the movable pad is released.
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申请公布号 |
US2008068332(A1) |
申请公布日期 |
2008.03.20 |
申请号 |
US20060521870 |
申请日期 |
2006.09.15 |
申请人 |
CHAN BERNARD LYE HOCK;LYE POH HUAT;LIEW TONG SEN |
发明人 |
CHAN BERNARD LYE HOCK;LYE POH HUAT;LIEW TONG SEN |
分类号 |
G09G5/00 |
主分类号 |
G09G5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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