Projector

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United States of America Patent

PATENT NO 9016867
APP PUB NO 20130128233A1
SERIAL NO

13660255

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A projector includes a housing, a light source disposed in the housing, a light projection unit, disposed in the housing, to project light emitted from the light source, a detector to detect a load caused by an object blocking the light projection unit, and a microprocessor to activate a protection operation for the projector when the detector detects that the load caused by the object blocking the light projection unit exceeds a threshold load.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTD3-6 NAKAMAGOME 1-CHOME OHTA-KU TOKYO 1438555 ?1438555

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sato, Osamu Kanagawa, JP 249 3368

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