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:
Nov. 05, 2024
Filed:
Apr. 03, 2019
Ark Inc., Busan, KR;
Han Jo Kwon, Busan, KR;
ARK INC., Busan, KR;
Abstract
Disclosed is a coaxial non-mydriatic multispectral fundus camera, including: an illumination unit configured to emit light; a diffusion lens configured to diffuse the light incident from the illumination unit; an illumination lens configured to irradiate the light incident from the diffusion lens at a predetermined emission angle; a mirror configured to reflect the light incident from the illumination lens; a polarizing beam splitter configured to transmit P-polarized light of the light incident from the mirror and reflect S-polarized light thereof; an objective lens configured to image a fundus using the light incident from the polarizing beam splitter and then enlarge a returning image of the fundus; a short-range eyepiece lens configured to reduce or enlarge the image of the fundus enlarged by the objective lens; and an imaging device configured to acquire a fundus photograph from the image of the fundus received from the short-range eyepiece lens.