Pixel intensity modulator

H - Electricity – 04 – N

Patent

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Details

H04N 5/74 (2006.01) G02B 7/182 (2006.01) G02B 26/08 (2006.01) G02B 27/18 (2006.01)

Patent

CA 2113645

An apparatus to modulate the intensity of a pixel displayed on a screen (24) focuses optical energy from a broadbrand source (12) onto a reflective first face of a planar member (16). The first face is disposed in said first propagation path (34) at a selected angle thereto to direct optical energy along a second propagation path (40). A planar mirror (20) is disposed in the second propagation,path (40). The plane of the mirror is actuatable to orientate the minor within a range of angles to said second propagation path (40) to focus optical energy reflected from the first face onto the mirror (20).

Appareil destiné à moduler l'intensité d'un pixel affiché sur un écran (24) qui focalise de l'énergie optique provenant d'une source à large bande (12) sur la première face réfléchissante d'un élément plan. La première face est placée sur ladite première voie de propagation (34) à un angle choisi par rapport à cette dernière de manière à diriger l'énergie optique le long d'une deuxième voie de propagation (40). Un miroir plan (20) est placé sur la deuxième voie de propagation (40). Le plan du miroir peut être actionné de manière à orienter le miroir au sein d'une gamme d'angles par rapport à ladite deuxième voie de propagation (40) afin de focaliser l'énergie optique réfléchie par la première face sur le miroir (20).

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