The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 26, 2021
Filed:
Oct. 22, 2019
Keyence Corporation, Osaka, JP;
Taichi Tajika, Osaka, JP;
Hideaki Miyoshi, Osaka, JP;
KEYENCE CORPORATION, Osaka, JP;
Abstract
The optical code reader includes a light-receiving region limiting optical member. The light-receiving region limiting optical memberis disposed between a transparent windowand an image sensorand includes an imaging lensfor imaging reflected light received through the transparent window, on a light receiving surfaceof the image sensor. The light-receiving region limiting optical memberforms an image Im() of an optical code Co in a first light receiving region() of the light receiving surfaceand forms an image Im() of an optical code Co in a second light receiving region() that is different from the first light receiving region(). The image sensoris disposed obliquely to a direction orthogonal to an optical axis Oax of the imaging lens