PROJECTION TYPE IMAGE DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a projection type image display device that reduces exposure to a laser beam. SOLUTION: The projection type image display device includes a laser light source emitting a laser beam, a light deflection circuit scanning with the laser beam to form an image, and an acce...

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Bibliographische Detailangaben
1. Verfasser:	TANITSU MASAHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR ADVERTISING APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CINEMATOGRAPHY CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a projection type image display device that reduces exposure to a laser beam. SOLUTION: The projection type image display device includes a laser light source emitting a laser beam, a light deflection circuit scanning with the laser beam to form an image, and an acceleration detection element, wherein the device has a light reducing means that stops the laser beam according to the acceleration detected by the acceleration detection element and reduces a laser beam flux upon restarting emission of a laser beam. COPYRIGHT: (C)2008,JPO&INPIT