Title:
POLARIZED LIGHT VALVE
Document Type and Number:
WIPO Patent Application WO2005001557
Kind Code:
A3
Abstract:
A projection system for making an object appear and disappear to an observer on cue is disclosed. The system remotely activates a reflective axis and a transmissive axis within a polarized window for making an object on cue appear and disappear. In one aspect, this system contains a reflective back plate (60), a polarized window (20), and a textured surface (30). A reflective back plate (60) is placed behind an object (10) A polarized window (20) is placed in front of the object (10). A polarized light source (50,40) is placed in front of the textured surface (30). If the polarized light is aligned parallel to a reflective axis, the textured surface is visible to an observer. If the polarized light is aligned parallel to the transmissive axis, the textured surface and the object are visible to an observer.
Inventors:
HUBER MARK (US)
Application Number:
PCT/US2004/020290
Publication Date:
May 06, 2005
Filing Date:
June 23, 2004
Export Citation:
Assignee:
DISNEY ENTPR INC (US)
HUBER MARK (US)
HUBER MARK (US)
International Classes:
A63J5/02; A63J21/00; B44F1/06; B44F1/08; G02B5/30; G02B17/06; G02B27/02; G02B27/10; G02B27/22; G02B27/28; G03H1/26; A63G31/00; G02F; (IPC1-7): G02B5/30
Foreign References:
| US6385139B1 | 2002-05-07 |
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