发明授权
- 专利标题： Projection type display device with image pickup function and communication system
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申请号： US120243申请日： 1998-07-22
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公开(公告)号： US06082865A公开(公告)日： 2000-07-04
- 发明人: Shunpei Yamazaki
- 申请人： Shunpei Yamazaki
- 申请人地址： JPX Kanagawa-ken
- 专利权人： Semiconductor Energy Laboratory Co., Ltd.
- 当前专利权人： Semiconductor Energy Laboratory Co., Ltd.
- 当前专利权人地址： JPX Kanagawa-ken
- 优先权： JPX9-216016 19970724
- 主分类号： G03B21/00
- IPC分类号： G03B21/00 ; G03B21/132 ; G03B21/28
摘要：
A projection type display device including an image pickup device is provided. A projection mirror of an OHP is made a half mirror 108, so that a picture having transmitted through the half mirror can be taken in by an image sensor 102.
公开/授权文献
- US5333474A Washing machine 公开/授权日：1994-08-02