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:
Sep. 22, 2020
Filed:
Nov. 01, 2017
Applicant:
Abb Schweiz Ag, Baden, CH;
Inventors:
Assignee:
ABB Schweiz AB, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/3504 (2014.01); G01N 21/39 (2006.01); G01N 21/359 (2014.01); G01J 3/10 (2006.01); G01J 3/42 (2006.01);
U.S. Cl.
CPC ...
G01N 21/3504 (2013.01); G01J 3/10 (2013.01); G01J 3/42 (2013.01); G01N 21/359 (2013.01); G01N 21/39 (2013.01); G01N 2021/399 (2013.01);
Abstract
Systems and methods for measuring a value of constituents in a mixed constituent gas having at least one broad band absorber constituent therein and at least one lock constituent are provided. The system uses a combination of integrated cavity output spectroscopy and cavity ringdown spectroscopy to determine the measurement values of constituents in a cavity of a spectrometer. Cavity ringdown in the presence of the at least one broadband absorber constituent and a reference concentration value are used to determine the constituent measurement values when the spectral width of the laser tuning range is overlapped by the absorption band of the broad band absorber in the cavity.