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. 23, 2021
Filed:
Dec. 20, 2019
Applicant:
Dräger Safety Ag & Co. Kgaa, Lübeck, DE;
Inventors:
Burkhard Stock, Carlow, DE;
Malte Baesler, Bargteheide, DE;
Assignee:
Dräger Safety AG & Co. KGaA, Lübeck, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/3504 (2014.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 21/3504 (2013.01); G01N 33/0036 (2013.01); G01N 2201/068 (2013.01);
Abstract
A device and a process detects alcohol in a gas sample, especially in an exhaled breath sample. A measuring chamber () receives the gas sample to be tested. Two IR radiation sources () are configured to transmit an IR beam each into the measuring chamber (). Two IR detectors () generate a measured value each depending on an incident IR beam. An analysis unit () automatically makes a decision on whether or not the gas sample contains alcohol, doing so depending on the two measured values from the two IR detectors ().