| 发明名称 |
Laser display panel with contact detection |
| 摘要 |
The laser (10) output is used to scan the surface of a diffusion display panel (14) . At the back of this is a tapered plastic layer and laser light is internally reflected. Finger contact (20) with the surface affects the light and the transmission is directed to a Fresnel lens (24) and then to a detector
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| 申请公布号 |
DE19809934(A1) |
申请公布日期 |
1999.09.09 |
| 申请号 |
DE19981009934 |
申请日期 |
1998.03.07 |
| 申请人 |
ROBERT BOSCH GMBH |
发明人 |
KOENIG, WINFRIED;FIESS, REINHOLD |
| 分类号 |
G06F3/033;G06F3/042;(IPC1-7):G06F3/033;G06K11/08 |
主分类号 |
G06F3/033 |
| 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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