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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.:

US 12635879 B1

PDFFull Text
Date of Patent:
May. 26, 2026

Filed:

Dec. 09, 2020

Ophthalmic observation apparatus

Applicant:

Topcon Corporation, Tokyo, JP;

Inventors:

Kazuhiro Yamada, Tokyo, JP;

Kazuhiro Oomori, Tokyo, JP;

Yasufumi Fukuma, Wako, JP;

Assignee:

TOPCON CORPORATION, Tokyo, JP;

Attorney:

XSENSUS LLP

Primary Examiner:

William R Alexander

Assistant Examiner:

Mackenzi undefined Waddell

Int. Cl.
CPC ...
A61B 3/13 (2006.01); A61B 3/117 (2006.01); A61B 3/12 (2006.01); A61B 3/14 (2006.01); A61B 3/15 (2006.01); A61B 90/00 (2016.01); G02B 21/00 (2006.01); G02B 21/36 (2006.01); G06T 7/00 (2017.01); H04N 23/67 (2023.01); H04N 23/71 (2023.01); H04N 23/74 (2023.01); H04N 23/76 (2023.01);
U.S. Cl.
CPC ...
A61B 3/13 (2013.01); A61B 3/117 (2013.01); A61B 3/12 (2013.01); A61B 3/14 (2013.01); A61B 3/145 (2013.01); A61B 3/15 (2013.01); A61B 3/152 (2013.01); G02B 21/0012 (2013.01); G02B 21/365 (2013.01); G06T 7/0012 (2013.01); G06T 7/97 (2017.01); H04N 23/67 (2023.01); H04N 23/71 (2023.01); H04N 23/74 (2023.01); H04N 23/76 (2023.01); A61B 2090/0807 (2016.02); G06T 2207/10016 (2013.01); G06T 2207/10056 (2013.01); G06T 2207/30041 (2013.01); G06T 2207/30168 (2013.01);
Abstract

An ophthalmic observation apparatus of an embodiment includes an illumination system, a photography system, and a focus processor. The illumination system includes a light source configured to emit illumination light and an indicator member having a plurality of indicators, and is configured to project the illumination light onto a subject's eye via the indicator member. The photography system includes an image sensor and is configured to perform photography of the subject's eye. The focus processor is configured to perform detection of a plurality of indicator images from an image acquired by the photography system, and perform a focus control of the photography system based on the plurality of indicator images.

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