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. 05, 2017
Filed:
Sep. 17, 2014
Sick Ag, Waldkirch, DE;
Torsten Waldmann, Waldkirch, DE;
Rolf Disch, Waldkirch, DE;
SICK AG, Waldkirch, DE;
Abstract
A spectrometer () for gas analysis is provided, the spectrometer comprising a measurement cell () having a gas to be investigated, a light source () for the transmission of light () into the measurement cell () on a light path (), a filter arrangement () having a Fabry-Perot filter (-) in the light path (), in order to set frequency properties of the light () by means of a transmission spectrum of the filter arrangement (), as well as a detector () which measures the absorption of the light () by the gas () in the measurement cell (). In this connection the filter arrangement () has a plurality of Fabry-Perot filters (-) arranged behind one another in the light path () and a control unit () for the filter arrangement () is provided in order to change the transmission spectrum by setting at least one of the Fabry-Perot filters (-).