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.

Date of Patent:
Jan. 31, 2023

Filed:

Sep. 21, 2017
Applicants:

Pioneer Corporation, Tokyo, JP;

Nikkiso Company Limited, Tokyo, JP;

Inventors:

Kiyoshi Tateishi, Kawagoe, JP;

Mitsuru Sato, Kawagoe, JP;

Tadashi Kondo, Kawagoe, JP;

Wataru Onodera, Kawagoe, JP;

Tomoya Murakami, Makinohara, JP;

Akari Agata, Makinohara, JP;

Genki Adachi, Makinohara, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/661 (2022.01); A61B 5/026 (2006.01); A61B 5/0285 (2006.01); A61M 1/36 (2006.01); G01P 5/26 (2006.01);
U.S. Cl.
CPC ...
G01F 1/661 (2013.01); A61B 5/0261 (2013.01); A61B 5/0285 (2013.01); A61M 1/3663 (2013.01); G01P 5/26 (2013.01);
Abstract

An optical measurement device is provided with: a light source that irradiates, with light, a measurement object which has a fluid flowing thereinside; a light receiving unit which, upon receipt of scattered light from the measurement object irradiated with light, outputs a light reception signal according to the intensity of the scattered light; a disturbance generation unit which generates a disturbance signal for causing oscillation of a drive current to be supplied to the light source; and an adjustment unit which adjust the drive current on the basis of the result of a comparison between the disturbance signal and a signal generated on the basis of the light reception signal.


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