Projector

Details Projector Projector

G - Physics

03

B

G03B 21/14 (2006.01) G02B 27/00 (2006.01) G02B 27/18 (2006.01) H04N 5/59 (2006.01) H04N 9/31 (2006.01)

Patent

CA 2182780

A projector having a light valve which operates by alternatively transmitting incident light or scattering such light has adjustable illumination and projection apertures to maximize contrast ratio and brightness according to ambient light conditions.

Un projecteur, muni d'une valve de faisceau lumineux fonctionnant soit par transmission soit par dispersion de la lumière incidente, est équipé d'ouvertures d'éclairage et de projection réglables, afin de maximiser le degré de contraste et la luminosité en fonction des conditions d'éclairage ambiantes.

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