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:
Jun. 10, 2014
Filed:
Dec. 20, 2011
Takuji Oida, Kyoto, JP;
Takuji Oida, Kyoto, JP;
Horiba, Ltd., Kyoto, JP;
Abstract
A gas concentration measuring apparatus for measuring a concentration of a measurement target substance contained in a sample gas includes a light source unit in which a light source is arranged, and a sensor unit that is arranged on an optical path of the light source. The sensor unit includes a concentration measuring sensor configured to receive light from the light source after the light has passed through a sample cell unit and measure a concentration of the measurement target substance. The apparatus further includes an introducing device configured to introduce the sample gas to a vicinity of concentration measuring sensor. Therefore, a vicinity of the concentration measuring sensor is filled with an atmosphere of the sample gas so that a concentration of a measurement target substance contained in the sample gas is measured stably and accurately regardless of fluctuations in an ambient atmosphere of a measuring environment.