Optical Information Reading Device

摘要

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.

主权项

1. A fixed optical information reading device, comprising:
a first illumination section that illuminates a workpiece and irradiates the workpiece with illumination light through a polarization filter; a second illumination section that illuminates the workpiece and irradiates the workpiece with illumination light without through a polarization filter; an imaging section provided with a polarization filter having a polarization direction different from a polarization direction of the polarization filter of the first illumination section, the imaging section for receiving light through the polarization filter having the polarization direction different from the polarization direction of the polarization filter of the first illumination section to capture an image of a code provided in the workpiece, the light being irradiated by at least one of the first illumination section and the second illumination section and being reflected at the workpiece; and a decoding section that decodes image data acquired by the imaging section.