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:
Feb. 23, 2021
Filed:
Jul. 25, 2017
Tokushima University, Tokushima, JP;
Fujikin Incorporated, Osaka, JP;
Yoshihiro Deguchi, Tokushima, JP;
Takashi Fukawa, Yokohama, JP;
Taiki Hattori, Yokohama, JP;
Masaaki Nagase, Osaka, JP;
Kazuteru Tanaka, Osaka, JP;
Kouji Nishino, Osaka, JP;
Nobukazu Ikeda, Osaka, JP;
TOKUSHIMA UNIVERSITY, Tokushima, JP;
FUJIKIN INCORPORATED, Osaka, JP;
Abstract
A concentration measuring device includes a measuring cell having a flow passage and a translucent window, a light source for emitting light to the measuring cell through the window, a reflective member for reflecting light propagating through the measuring cell to the window, a light detector for detecting the light exiting from the window, a calculation part for calculating the concentration of the fluid on the basis of a detection signal from the light detector, and an optical device for guiding the light from the light source to the window and guiding the light from the window to the light detector.