Projector

Details Projector Projector

G - Physics

03

B

G03B 21/00 (2006.01) H04N 9/31 (2006.01)

Patent

CA 2234643

A projector including a non-polarized light source (10), a polarizing beam- splitter (12) receiving light from the non-polarized light source and a selectably actuatable polarization rotating light valve (16) having light polarized in one sense from the polarizing beam-splitter impinging thereon from a first direction and having light polarized in an opposite sense from the polarizing beam-splitter impinging thereon from a second direction.

Ce projecteur comprend une source de lumière non polarisée (10), un diviseur de faisceau polarisant (12), qui reçoit la lumière de la source de lumière non polarisée, et un modulateur de lumière (16) rotatif à polarisation sélective qui polarise la lumière, reçue dans une direction du diviseur de faisceau polarisant, dans un sens, et qui polarise dans un deuxième sens celle reçue de ce diviseur dans une deuxième direction.

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