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:
Sep. 05, 2017
Filed:
Oct. 20, 2016
Keyence Corporation, Osaka, JP;
Tomomi Izaki, Osaka, JP;
Taichi Tajika, Osaka, JP;
Keyence Corporation, Osaka, JP;
Abstract
A portable optical reader is provided with LED light sourcesto; a diffusion platediffusing the light emitted from the LED light sourcesto; an openingformed on the diffusion platetransmitting diffusion reflecting light; an imaging partreceiving the diffusion reflecting light through the opening; a LED light sourceemitting the light to the symbol; a light projection polarizing elementpolarizing the light emitted from the LED light source; an openingformed in the diffusion platetransmitting the polarized light emitted from the LED light source; and a light reception polarizing elementpolarizing the diffusion reflecting light which is the polarized light emitted from the LED light sourceand reflected on the symbol and transmitted through the opening