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:
May. 24, 2016
Filed:
Nov. 28, 2012
Yokogawa Electric Corporation, Musashino-shi, Tokyo, JP;
Takaaki Hirata, Musashino, JP;
Yasuhiko Mitsumoto, Musashino, JP;
Masaya Ooyama, Musashino, JP;
Nobuhiko Kanbara, Musashino, JP;
Naoyuki Fujimura, Musashino, JP;
Minoru Maeda, Musashino, JP;
Tadashi Sugiyama, Musashino, JP;
Alan Cowie, Friendswood, TX (US);
Jie Zhu, Pearland, TX (US);
YOKOGAWA ELECTRIC CORPORATION, Tokyo, JP;
Abstract
A laser gas analyzer includes a wavelength-variable laser having a wide wavelength-variable width, a light-split module configured to split an output light of the wavelength-variable laser into a measurement light and a reference light, a first gas cell into which gases to be measured are introduced, and the measurement light is made to be incident, and a data processor configured to obtain an absorption spectrum of each of the gases to be measured based on a reference signal related to the reference light and an absorption signal related to an output light of the first gas cell, and to obtain concentrations of the respective gases to be measured.