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1. WO2014175747 - SCREEN

Publication Number WO/2014/175747
Publication Date 30.10.2014
International Application No. PCT/NO2014/050060
International Filing Date 15.04.2014
Chapter 2 Demand Filed 24.02.2015
IPC
G PHYSICS
03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
B
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
21
Projectors or projection-type viewers; Accessories therefor
54
Accessories
56
Projection screens
G03B 21/56 (2006.01)
CPC
G03B 21/565
G03B 21/60
Applicants
  • MOMENTOR ANS [NO/NO]; Østre Aker vei 22 N-0581 Oslo, NO
Inventors
  • LYGREN, Jon-Eivind; NO
Agents
  • ACAPO AS; P.O. Box 1880 Nordnes N-5817 Bergen, NO
Priority Data
2013056824.04.2013NO
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SCREEN
(FR) ÉCRAN
Abstract
(EN)
A projection screen that allows sound to pass through the screen while video is reflected is provided. This screen is provided using a first non-perforated reflecting screen of a first density, and at least one perforated reflecting screen of a second density, wherein the first density is greater than the second density.
(FR)
L'invention concerne un écran de projection qui permet à un son de traverser l'écran pendant le passage d'une vidéo. Cet écran comporte un premier écran réflecteur non perforé ayant une première densité, et au moins un écran réflecteur perforé ayant une deuxième densité, la première densité étant supérieure à la deuxième densité.
Also published as
Latest bibliographic data on file with the International Bureau