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Machine translation
1. (WO1992011549) LIGHT CONTROL FILM WITH REDUCED GHOST IMAGES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1992/011549    International Application No.:    PCT/US1991/009724
Publication Date: 09.07.1992 International Filing Date: 20.12.1991
Chapter 2 Demand Filed:    17.07.1992    
IPC:
F21S 11/00 (2006.01), F21V 11/06 (2006.01), G02B 5/00 (2006.01), G02B 27/00 (2006.01), H01J 29/89 (2006.01), H04N 5/65 (2006.01)
Applicants: MINNESOTA MINING AND MANUFACTURING COMPANY [US/US]; 3M Center, P.O. Box 33427, Saint Paul, MN 55133-3427 (US) (For All Designated States Except US).
COBB, Sanford, Jr. [US/US]; (US) (For US Only).
MEYER, Leo, A. [US/US]; (US) (For US Only).
MELBY, Jeffrey, J. [US/US]; (US) (For US Only).
THEIRL, Scott, G. [US/US]; (US) (For US Only)
Inventors: COBB, Sanford, Jr.; (US).
MEYER, Leo, A.; (US).
MELBY, Jeffrey, J.; (US).
THEIRL, Scott, G.; (US)
Agent: BUCKINGHAM, Stephen, W.; Office of Intellectual Property Counsel, Minnesota Mining and Manufacturing Company, P.O. Box 33427, Saint Paul, MN 55133-3427 (US).
BAILLIE, Iain, C.; Ladas & Parry, Altheimer Eck 2, D-80331 München (DE)
Priority Data:
632,123 21.12.1990 US
Title (EN) LIGHT CONTROL FILM WITH REDUCED GHOST IMAGES
(FR) FILM DE REGULATION LUMINEUSE AVEC REDUCTION DES IMAGES FANTOMES
Abstract: front page image
(EN)A louvered plastic film has louvers including central regions with relatively high coefficients of extinction and outer regions with relatively low coefficients of extinction. Such a film provides a dramatic reduction in ghost images.
(FR)Film en plastique pourvu d'ouïes comprenant des régions centrales à coefficients d'extinction relativement élevés et des régions extérieures à coefficients d'extinction relativement faibles. Ce film réduit considérablement les images fantômes.
Designated States: AU, CA, JP, KR, US.
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, MC, NL, SE).
Publication Language: English (EN)
Filing Language: English (EN)