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.

Date of Patent:
Dec. 25, 1979

Filed:

Oct. 23, 1978
Applicant:
Inventors:

Walter Fabinski, Hattersheim, DE;

Udo Deptolla, Ober-Olm, DE;

Assignee:

Hartmann & Braun Aktiengesellschaft, Frankfurt am Main, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J / ;
U.S. Cl.
CPC ...
250344 ; 250345 ;
Abstract

The sensitivity and selectivity of a two beam analyzer operating with negative filtering and differential absorption-pressure detection is improved by employing differently long cells for the sample gas in the two beam paths, which reduces the effect resulting from overlapping absorption bands of the wanted and of unwanted components in the sample gas.


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Fabinski, Walter. (1979). Nondispersive infrared gas analyzer (U.S. Patent No. 4180732). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4180732

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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