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:
Jul. 01, 2025
Filed:
May. 05, 2022
Fujifilm Business Innovation Corp., Tokyo, JP;
Masaki Hachisuga, Kanagawa, JP;
FUJIFILM Business Innovation Corp., Tokyo, JP;
Abstract
A reading apparatus includes: a light source; a film-shaped optical filter that blocks light having a predetermined wavelength among light from the light source; and a cylindrical light guide body that guides light passing through the optical filter and incident on one end surface to the other end surface, and irradiates an irradiation target body with light emitted from a side surface, in which a diffusion pattern that diffuses the light is disposed on an opposite side not facing the irradiation target body, on the side surface of the light guide body, and the optical filter is disposed at a position facing the end surface of the light guide body to be tilted with respect to the end surface of the light guide body.