Title:
反射型スクリーン及びスクリーン装置
Document Type and Number:
Japanese Patent JP5004090
Kind Code:
B2
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.
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Inventors:
Hajime Maruta
Tatsuo Matsuki
Shinya Ishida
Takato Tanabe
Kiyoshi Numata
Tatsuo Matsuki
Shinya Ishida
Takato Tanabe
Kiyoshi Numata
Application Number:
JP2007311698A
Publication Date:
August 22, 2012
Filing Date:
November 30, 2007
Export Citation:
Assignee:
株式会社有沢製作所
ソニー株式会社
ソニー株式会社
International Classes:
G03B21/58; G03B21/60
Domestic Patent References:
| JP7319070A | ||||
| JP8201919A | ||||
| JP6230472A | ||||
| JP6175228A | ||||
| JP7114105A | ||||
| JP2007041556A |
Foreign References:
| WO2002065208A1 |
Attorney, Agent or Firm:
Akihiro Ryuka