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:
May. 28, 2008
Taiga Matsuzaki, Yamaguchi, JP;
Taiga Matsuzaki, Yamaguchi, JP;
Teijin Pharma Limited, Tokyo, JP;
Abstract
In an ultrasonic apparatus for measuring the concentration of gas provided with two ultrasonic oscillators for transmitting/receiving an ultrasonic wave, arranged opposite to each other in piping through which a sample gas flows, a temperature sensor, and a pressure sensor, an ultrasonic method and apparatus that can accurately measure gas concentration regardless of pressure of the sample gas are provided as an ultrasonic apparatus for measuring the concentration of gas comprising concentration calculating means for calculating sample gas concentration based on a propagation speed correction coefficient by pressure.
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