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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 10705325 B1

PDFFull Text
Expired
Date of Patent:
Jul. 07, 2020

Filed:

Aug. 18, 2016

Focusing method, measuring method, principal point detecting method, focusing device, measuring device, and principal point detecting device

Applicant:

Olympus Corporation, Tokyo, JP;

Inventors:

Yoshimasa Suzuki, Kawasaki, JP;

Kazuo Kajitani, Hachioji, JP;

Assignee:

OLYMPUS CORPORATION, Tokyo, JP;

Attorney:

Scully, Scott, Murphy & Presser, P.C.

Primary Examiner:

Thong Q Nguyen

Int. Cl.
CPC ...
G02B 21/06 (2006.01); G02B 21/00 (2006.01); G02B 21/24 (2006.01); G02B 7/28 (2006.01); G02B 21/08 (2006.01); G02B 21/34 (2006.01);
U.S. Cl.
CPC ...
G02B 21/244 (2013.01); G02B 7/28 (2013.01); G02B 21/08 (2013.01); G02B 21/24 (2013.01); G02B 21/34 (2013.01);
Abstract

A focusing method includes a step of preparing a microscope, a step of mounting a sample, and a predetermined processing step, the predetermined processing step includes a step of receiving light emitted from the observation optical system, a step of obtaining the quantity of light based on light from a predetermined region of the received light, a step of calculating a difference or a ratio between the quantity of light in the predetermined region and the quantity of light as a reference, a step of comparing a calculation result with a threshold, and a step of changing the distance between the sample and the observation optical system, and in the step of preparing, a partial region of illumination light is shielded or darkened, and when the result of the calculation is equal to or smaller than the threshold, the predetermined processing step is terminated.

Find Patent Forward Citations

Suzuki, Yoshimasa. (2020). Focusing method, measuring method, principal point detecting method, focusing device, measuring device, and principal point detecting device (U.S. Patent No. 10705325). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10705325

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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