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1. (WO2003075090) PROJECTION APPARATUS HAVING FRAME AND SCREEN TENSIONING MEANS

Pub. No.:    WO/2003/075090    International Application No.:    PCT/NL2003/000157
Publication Date: Sep 12, 2003 International Filing Date: Mar 3, 2003
IPC: G03B 21/56
G03B 37/04
Applicants: CIRCLESIM B.V.
BRUSSEE, Hillebrand, Pieter
Inventors: BRUSSEE, Hillebrand, Pieter
Title: PROJECTION APPARATUS HAVING FRAME AND SCREEN TENSIONING MEANS
Abstract:
The invention relates to a projection apparatus (1), comprising a non-flat screen, means for reproducing an image thereon, and a frame which supports the screen and the reproducing means and which is provided with means (6) for tensioning the screen (7) in a curved shape. These tensioning means (6) can comprise one or more curved supports which are connected to the frame and extend along an edge of the screen, which supports can in turn be provided with means for fixing the screen thereto, for instance in the form of strips of hook or loop tape for co-action with corresponding strips of loop or hook tape of the screen, or in the form of a recess for receiving a piping connected to the edge of the screen.