TRANSMISSION TYPE SCREEN DEVICE

PROBLEM TO BE SOLVED: To provide a transmission type screen the performance of which is less susceptible to a humidity change and which is easy to manage or handle a lens sheet. SOLUTION: The transmission type screen device used for a rear projection comprises at least two sheetlike members that inc...

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Bibliographische Detailangaben
1. Verfasser:	YASUMURA HIROTO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a transmission type screen the performance of which is less susceptible to a humidity change and which is easy to manage or handle a lens sheet. SOLUTION: The transmission type screen device used for a rear projection comprises at least two sheetlike members that include a Fresnel lens sheet 1 disposed on the incident side and a lenticular lens sheet disposed on the emission side. The incident side sheet and the emission side sheet of the screen device are each formed from a translucent material with low water absorption. COPYRIGHT: (C)2006,JPO&NCIPI