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. 07, 2016
Filed:
Feb. 12, 2014
Applicant:
Sick Ag, Waldkirch, DE;
Inventor:
Rolf Disch, Waldkirch, DE;
Assignee:
SICK AG, Waldkirch, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/3504 (2014.01); G01N 21/17 (2006.01);
U.S. Cl.
CPC ...
G01N 21/3504 (2013.01); G01N 21/1702 (2013.01); G01N 2021/1704 (2013.01);
Abstract
A gas measurement device for measuring the concentration of a plurality of gas components by means of absorption measurement comprising a light source for infrared radiation () or a thermal radiator () as a light source (), an optics () for bundling the light of the light source (), a band pass filter () and a photoacoustic measurement cell () for measuring a plurality of gas concentrations, wherein a Fabry-Perot filter () is provided in front of the photoacoustic measurement cell () in addition to the band pass filter () for selecting the absorption spectra.