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:
Aug. 27, 2019
Filed:
Feb. 29, 2016
Citizen Watch Co., Ltd., Tokyo, JP;
Takaaki Nozaki, Saitama, JP;
CITIZEN WATCH CO., LTD., Tokyo, JP;
Abstract
Provided is an optical measuring device that can properly detect a small amount of dental plaque, can be easily incorporated into a toothbrush, and has a simple configuration. The optical measuring device includes a plurality of light sources that irradiate a sample with light having a plurality of wavelengths different from each other, respectively, a detection unit that detects intensities of examined light generated when the sample is irradiated with the light having the plurality of wavelengths, and a control unit that calculates an amount of fluorescent substance to be measured, based on the intensities of the examined light detected by the detection unit in response to the light having the plurality of wavelengths.