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:
Sep. 01, 2026

Filed:

Oct. 31, 2019
Applicant:

Assa Abloy Ab, Stockholm, SE;

Inventors:

Tomas Jonsson, Rönninge, SE;

Mats Cederblad, Hässelby, SE;

Per Mackegård, Solna, SE;

Stefan Johansson, Stockholm, SE;

Assignee:

ASSA ABLOY AB, Stockholm, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01H 3/06 (2006.01); G01H 3/12 (2006.01); G08B 13/04 (2006.01); G08B 13/16 (2006.01);
U.S. Cl.
CPC ...
G01H 3/06 (2013.01); G01H 3/12 (2013.01); G08B 13/04 (2013.01); G08B 13/1654 (2013.01);
Abstract

It is provided a method for classifying vibrations detected in a structure of a building. The method is performed in a vibration classifier and comprising the steps of: determining a measurement period of a vibration signal; splitting the measurement period in a plurality of sequential sub-periods; calculating, for each one of the sub-periods, a variation indicator of at least one component of the vibration signal; and classifying a source of the vibration signal based on the variation indicators.


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