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:
Nov. 08, 2011
Filed:
Jan. 03, 2008
Applicants:
Rigobert Chrzan, Bad Oldesloe, DE;
Andreas Moldt, Lübeck, DE;
Thomas Wiedemann, Pölitz, DE;
Inventors:
Assignee:
Dräger Safety AG & Co. KGaA, Lübeck, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas sensor with a housing () has an optical signal transmission to the environment of the gas sensor (). At least one light-emitting diode () is arranged in the housing () on the inner side of a disk () that is transparent to light. At least one optical light guide (), for coupling in the light of the light-emitting diode (), is arranged in the housing () on the outer side of the disk () that is transparent to light. The optical light guide () extends up to the outer surface () of the housing ().