RÜCKPROJEKTOR

摘要

The projector (2) has a screen (4) equipped with a frame, and a translucent fabric stretched on the frame. An image projection apparatus (5) projects images on a rear face (8) of the fabric. The screen is movable between a retracted position and an extended position in which a surface of the fabric is increased by 10 percentages with respect to the surface of the fabric in its retracted position. The apparatus is adapted to size of the images projected at both the retracted and extended positions of the screen. The fabric is made of a stretchable material having a Young's modulus lesser than 2 GPa.