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:
Mar. 26, 2019
Filed:
Aug. 31, 2018
Horiba, Ltd., Kyoto, JP;
Horiba, Ltd., Kyoto, JP;
Abstract
The present invention responds flexibly to and corrects concentration changes that are caused by changes between the temperature when a correction calibration curve is created and the temperature when a test sample is measured, without having to correct the calibration curve. More specifically, a spectrophotometer measures concentrations of measurement target components contained in a test sample from an optical spectrum obtained by irradiating light onto the test sample, and includes a concentration calculation unit that calculates concentrations of the measurement target components from the optical spectrum using a calibration curve, and a concentration correction unit that, using a temperature correction formula corresponding to a wavelength region or a wavenumber region in which concentrations of the measurement target components are being determined, corrects concentration changes in the measurement target components that accompany temperature differences between a temperature when the calibration curve is created and a temperature when the concentrations are measured.