发明名称 |
Apparatus for controlling the position of a screen pointer that detects defective pixels |
摘要 |
An apparatus for controlling the position of a screen pointer includes a light source for illuminating an imaging surface, thereby generating reflected images. The apparatus includes a navigation sensor for generating digital images based on the reflected images, detecting defective pixel locations in the digital images, and generating movement data based on the digital images that is indicative of relative motion between the imaging surface and the apparatus.
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申请公布号 |
US2005195163(A1) |
申请公布日期 |
2005.09.08 |
申请号 |
US20040795688 |
申请日期 |
2004.03.08 |
申请人 |
GREWAL ROOPINDER S.;KAKARALA RAMAKRISHNA |
发明人 |
GREWAL ROOPINDER S.;KAKARALA RAMAKRISHNA |
分类号 |
G06F3/038;G09G5/08;(IPC1-7):G09G5/08 |
主分类号 |
G06F3/038 |
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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