Timing control unit for controlling an illumination device with coherent light source

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United States of America Patent

PATENT NO 11447065
APP PUB NO 20200156531A1
SERIAL NO

16774420

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Abstract

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An illumination device has a coherent light source that emits coherent light beam, and an optical device that diffuses the coherent light beam, wherein the optical device comprises a first diffusion region that diffuses the coherent light beam to illuminate a first area, and a second diffusion region that diffuses the coherent light beam to display predetermined information in a second area.

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Patent Owner(s)

Patent OwnerAddress
DAI NIPPON PRINTING CO LTDTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishida, Kazutoshi Tokyo, JP 69 750
Kurashige, Makio Tokyo, JP 99 601
Sato, Tomoe Tokyo, JP 19 67

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