Invention Grant
- Patent Title: Compact projection system and associated device
- Patent Title (中): 紧凑型投影系统及相关设备
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Application No.: US10003090Application Date: 2001-10-31
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Publication No.: US06637896B2Publication Date: 2003-10-28
- Inventor: Zili Li , Zane Coleman , Dmitry Voloschenko
- Applicant: Zili Li , Zane Coleman , Dmitry Voloschenko
- Main IPC: G03B2114
- IPC: G03B2114

Abstract:
A compact real-image projection apparatus is used for a portable device (140). An optical projector (110) emits light that is capable of forming an image. A collapsible screen (120) has a collapsed surface area no larger than substantially the surface area of a side of the portable device and an expanded surface area capable of receiving the light emitted from the optical projector (110). A retractable connecting member (150) is coupled between the screen (120) and the optical projector (110) and has at least a stowed position and an extended position. The extended position is configured to hold the screen (120) and the optical projector (110) relative to one another such that the light emitted from the optical projector forms a real image on the screen.
Public/Granted literature
- US20030081184A1 Compact projection system and associated device Public/Granted day:2003-05-01
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