COLOR WHEEL AND COLOR SEQUENTIAL COLOR DISPLAY DEVICE USING THE SAME

PROBLEM TO BE SOLVED: To provide a color wheel whose position is accurately detected even at the time of a high-speed rotation and at a high temperature as a color wheel constituted of a disk type color filter divided into a plurality of color areas and a motor rotating the color filter. SOLUTION: T...

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Bibliographische Detailangaben
Hauptverfasser:	OMAE HIDEKI, ARIGA SAKAE
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a color wheel whose position is accurately detected even at the time of a high-speed rotation and at a high temperature as a color wheel constituted of a disk type color filter divided into a plurality of color areas and a motor rotating the color filter. SOLUTION: This color filter constituted of the disk type color filter divided into a plurality of color areas and the motor for rotating the color filter is equipped with a sensor inside the motor for detecting the rotation of the motor. The sensor outputs one pulse per at least one rotation of the motor.