Optical information reading device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9946910
SERIAL NO

15367209

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Abstract

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Provided is an optical information reading device that can reduce an installation load on a user, and can accurately read a code provided to each of various workpieces. A polarized illumination light source includes light emitters that irradiate the workpiece with illumination light through a polarization filter. A non-polarized illumination light source includes light emitters that irradiate the workpiece with illumination light without through a polarization filter. An imaging element is provided with a polarization filter having a polarization direction different from a polarization direction of the polarization filter of the light emitters. Either of the polarized illumination light source and the non-polarized illumination light source is used in accordance with the workpiece.

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Patent Owner(s)

Patent OwnerAddress
KEYENCE CORPORATION1-3-14 HIGASHINAKAJIMA HIGASHIYODOGAWA-KU OSAKA-SHI OSAKA 533-8555

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagata, Hidezumi Osaka, JP 15 59
Otsubo, Yusuke Osaka, JP 8 99
Tajika, Taichi Osaka, JP 17 68

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