Reflex-type screen, screen apparatus, and sheet-like article

Details Reflex-type screen, screen apparatus, and sheet-like article Reflex-type screen, screen apparatus, and sheet-like article

2011-03-22

2011-03-22

Mahoney, Christopher (Department: 2862)

Optical: systems and elements

Projection screen

Roll up screen

Reexamination Certificate

active

07911695

ABSTRACT:
The present invention provides a reflex-type screen which is wound up by a winding shaft to be retracted and is unwound from the winding shaft in use. The reflex-type screen comprises a reflection layer which reflects an incident light, a transparent surface protective layer provided on a first surface of the reflection layer, and a back surface protective layer provided on a second surface of the reflection layer, wherein as between the surface protective layer and the back surface protective layer, the one that has a higher loop stiffness value, faces inward when the reflex-type screen is wound up by the shaft.

REFERENCES:
patent: 5337179 (1994-08-01), Hodges
patent: 5456967 (1995-10-01), Nezu
patent: 5778580 (1998-07-01), Zarelius
patent: 6466369 (2002-10-01), Maddock
patent: 2009/0159218 (2009-06-01), Duineveld
patent: 3103802 (1991-04-01), None
patent: 2005-208558 (2005-08-01), None

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