Photosensor unit with a condensing lens including a plurality of light-emitting convex lens

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United States of America Patent

PATENT NO 9841504
SERIAL NO

14435213

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Abstract

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An object of the present invention is to provide a photosensor unit with a structure which is simple and also does not cause decrease in detection accuracy. Provided is a photosensor unit including a light emitting element 1 and a light receiving element 2 housed in a unit case 3, and configured such that reflected light of detection light emitted from the light emitting element 1 to the outside of the unit case 3 is received with the light receiving element 2, the reflected light being reflected from the outside of the unit case 3. A plurality of the light emitting elements 1 are disposed around the light receiving element 2, and a passage space for the reflected light inside the unit case 3 is separated from a passage space for the detection light inside the unit case 3 by an appropriate partition 4.

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Patent Owner(s)

Patent OwnerAddress
ALPHA CORPORATIONYOKOHAMA-SHI KANAGAWA 236-0004

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirai, Wataru Atsugi, JP 28 417
Ono, Takashi Yokohama, JP 389 4413

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