发明名称 |
User input device for a computer system |
摘要 |
A user input device for an electronic device is disclosed. The user input device provides positional information using a grid of light. The grid of light is produced from a light source and waveguides. The grid of light is also received and processed using waveguides and a light detector. Optionally, optics may be used to enhance the operation of the user input device. The user input device is particularly suited for use as a user input device for a computer system or the like.
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申请公布号 |
US6351260(B1) |
申请公布日期 |
2002.02.26 |
申请号 |
US19990262398 |
申请日期 |
1999.03.04 |
申请人 |
POA SANA, INC. |
发明人 |
GRAHAM DAVID S.;FRANCIS DANIEL A. |
分类号 |
G06F3/042;G06F3/033;(IPC1-7):G09G5/00 |
主分类号 |
G06F3/042 |
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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