Projection-type image display device having illuminance...

Optics: image projectors – Miscellaneous

Reexamination Certificate

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Details

C353S085000

Reexamination Certificate

active

07857466

ABSTRACT:
A projection-type image display device has a solid light source and a light valve, and causes light emitted from the solid light source to perform scanning on the light valve along a predetermined scanning line. The projection-type image display device is provided with a modulation amount controller configured to control a modulation amount of the light valve according to an input video signal which is a video signal inputted to the projection-type image display device, and an output controller configured to determine a reference output according to the input video signal. The output controller controls an output of the solid light source according to the reference output.

REFERENCES:
patent: 2004/0201827 (2004-10-01), Kojima
patent: 2005/0212461 (2005-09-01), Onishi
patent: 11-305710 (1999-11-01), None

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