Image display device and method of controlling image display...

Details Image display device and method of controlling image display... Image display device and method of controlling image display...

2006-04-12

2009-02-24

Koval, Melissa J (Department: 2862)

Optics: image projectors

Lamp control

C353S084000, C353S089000, C353S094000, C353S098000, C359S196100, C348S819000

Reexamination Certificate

active

07494227

ABSTRACT:
An image display device for displaying an image by a light beam modulated according to an image signal includes: a light source unit that supplies the light beam; a scanning unit for performing scanning with the light beam from the light source unit; a screen that transmits the light beam from the scanning unit; a light detection unit that detects light incoming from the screen via the scanning unit; and a light beam emission stop unit that stops emission of the light beam from the image display device according to an output from the light detection unit.

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