发明授权
- 专利标题: Projection type image display device
- 专利标题(中): 投影型图像显示装置
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申请号: US11740319申请日: 2007-04-26
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公开(公告)号: US07589904B2公开(公告)日: 2009-09-15
- 发明人: Daisuke Imafuku , Takanori Hisada , Hiroki Yoshikawa
- 申请人: Daisuke Imafuku , Takanori Hisada , Hiroki Yoshikawa
- 申请人地址: JP Tokyo
- 专利权人: Hitachi, Ltd.
- 当前专利权人: Hitachi, Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Antonelli, Terry, Stout & Kraus, LLP.
- 优先权: JP2006-159233 20060608
- 主分类号: G02B3/00
- IPC分类号: G02B3/00 ; G02B9/00 ; G02B5/124 ; G03B21/22
摘要:
Both ends of a transparent cover which is formed of a curved member are fitted to a lens guard and a mirror guard, and a free-shaped surface mirror and a free-shaped surface lens are housed in a sealed space defined within a projection type image display device.
公开/授权文献
- US20070285780A1 PROJECTION TYPE IMAGE DISPLAY DEVICE 公开/授权日:2007-12-13
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