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. 13, 2021
Filed:
Jul. 06, 2018
Applicant:
Aiinsight Inc., Busan, KR;
Inventors:
Han Jo Kwon, Busan, KR;
Keun Heung Park, Busan, KR;
Assignee:
AIINSIGHT INC., Busan, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/12 (2006.01); A61B 3/11 (2006.01); A61B 3/00 (2006.01); A61B 3/14 (2006.01); G02B 27/28 (2006.01);
U.S. Cl.
CPC ...
A61B 3/112 (2013.01); A61B 3/0008 (2013.01); A61B 3/14 (2013.01); G02B 27/28 (2013.01);
Abstract
Disclosed is a polarization fundus camera including: an illumination unit emitting light; a diffusion lens; an illumination lens irradiating the light introduced from the diffusion lens; a mirror reflecting light introduced from the illumination lens; a polarization beam splitter; an objective lens enlarging an image of a fundus formed by the light introduced from the polarization beam splitter; a short-range eyepiece lens reducing an image of the fundus enlarged by the objective lens; a linear polarization filter; a narrowband optical filter; and an imaging device.