发明名称 |
Laser presentation system for lecture hall, projects mouse image data onto screen, based on movement of projected image of infrared light to screen |
摘要 |
A switch selects laser pointer mode for projecting laser beam on a screen and mouse mode for emitting infrared light from an emitter on the screen. A processor (3) generates movement of the projected image of the infrared light to the screen (1), which is sensed by a sensor. The infrared light projecting device (31) projects a mouse image onto the screen, based on the movement data.
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申请公布号 |
DE10245237(A1) |
申请公布日期 |
2003.05.22 |
申请号 |
DE20021045237 |
申请日期 |
2002.09.27 |
申请人 |
FUJI PHOTO OPTICAL CO. LTD., SAITAMA |
发明人 |
HAMANA, AKINORI;YOKOYAMA, JUNICHI |
分类号 |
G02B27/20;(IPC1-7):G03B21/00 |
主分类号 |
G02B27/20 |
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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