发明名称 |
Projection apparatus using micromirror device |
摘要 |
A projection apparatus comprising a micromirror device for reflecting and modulating a light emitted from a light source to project a display an image on a display screen. The projection apparatus further includes a projection optical system comprises an adjustable aperture for adjusting an aperture ratio to control an amount of output light reflected from the micromirror device to the image display screen.
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申请公布号 |
US2009180171(A1) |
申请公布日期 |
2009.07.16 |
申请号 |
US20090381586 |
申请日期 |
2009.03.12 |
申请人 |
ICHIKAWA HIROTOSHI;ISHII FUSAO |
发明人 |
ICHIKAWA HIROTOSHI;ISHII FUSAO |
分类号 |
G02B26/00 |
主分类号 |
G02B26/00 |
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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