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. 23, 2025

Filed:

Jan. 29, 2021
Applicant:

Automotive Coalition for Traffic Safety, Inc.;

Inventors:

Jonas Ljungblad, Stockholm, SE;

Bertil Hök, Västerås, SE;

Martin Åhlenius, Västerås, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01); B60K 28/06 (2006.01); G01N 21/3504 (2014.01); G01N 33/497 (2006.01);
U.S. Cl.
CPC ...
G01N 33/4972 (2013.01); A61B 5/4845 (2013.01); A61B 5/7239 (2013.01); A61B 5/7264 (2013.01); A61B 5/742 (2013.01); B60K 28/06 (2013.01); G01N 21/3504 (2013.01);
Abstract

The present invention relates to a breath analyzing system and method. In particular the invention relates to a breath analyzing system and method arranged to provide tracer-aided classification of the presence of a breath intoxicating substance above a limit concentration and providing status to a user about the progression of the classification. The method/system detects a peak in the tracer signal and defines an evaluation period corresponding to the duration of the peak. Measurements classification of the concentration of the intoxicating substance is used for the evaluation period, and if required to achieve a result, for a plurality of evaluation periods.


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