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:
Apr. 28, 2026
Filed:
Feb. 08, 2022
Applicant:
Sony Group Corporation, Tokyo, JP;
Inventors:
Assignee:
SONY GROUP CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/05 (2006.01); G01N 21/03 (2006.01); G01N 21/59 (2006.01);
U.S. Cl.
CPC ...
G01N 21/05 (2013.01); G01N 21/0303 (2013.01); G01N 21/59 (2013.01); G01N 2021/052 (2013.01);
Abstract
Provided is a concentration measurement device that includes a light source that emits light, a first optical system that is provided on an optical path of the light emitted from the light source and condenses the light emitted from the light source, a light-transmissive tubular body that is disposed at a position on a rear stage side with respect to a focal position of the first optical system on the optical path and collimates the light incident on a side surface in a state where a fluid flows inside, and a detection unit that detects light through the tubular body.