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:
Aug. 16, 2022

Filed:

Dec. 14, 2018
Applicants:

Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;

Institut Polytechnique DE Grenoble, Grenoble, FR;

Inventors:

Nicolas Guillet, Pizançon, FR;

Mélanie Alias, Poligny, FR;

Florence Degret, Malakoff, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 29/44 (2006.01); G01N 29/14 (2006.01); G01R 31/36 (2020.01);
U.S. Cl.
CPC ...
G01N 29/4436 (2013.01); G01N 29/14 (2013.01); G01R 31/36 (2013.01);
Abstract

A method for detecting a malfunction of an acoustic sensor coupled to an electrochemical generator includes applying an electrical signal at a given frequency and a given amplitude, termed the signal frequency and signal amplitude; measuring, by the acoustic sensor, an acoustic signal emitted by the electrochemical generator in response to the application of the electrical signal; and, when the amplitude of the acoustic signal is below a predetermined threshold value, and detecting a malfunction of the acoustic sensor.


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