Invention Grant
- Patent Title: Projection apparatus using micromirror device
- Patent Title (中): 投影仪使用微镜装置
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Application No.: US12381586Application Date: 2009-03-12
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Publication No.: US08238013B2Publication Date: 2012-08-07
- Inventor: Hirotoshi Ichikawa , Fusao Ishii
- Applicant: Hirotoshi Ichikawa , Fusao Ishii
- Applicant Address: JP JP
- Assignee: Silicon Quest Kabushiki-Kaisha,Olympus Corporation
- Current Assignee: Silicon Quest Kabushiki-Kaisha,Olympus Corporation
- Current Assignee Address: JP JP
- Agent Bo-In Lin
- Main IPC: G02B26/00
- IPC: G02B26/00
Abstract:
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.
Public/Granted literature
- US20090180171A1 Projection apparatus using micromirror device Public/Granted day:2009-07-16
Information query
