Method and system for authenticating a timepiece
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United States of America Patent
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Jun 25, 2019
Grant Date -
Jan 16, 2014
app pub date -
Jul 12, 2013
filing date -
Jul 13, 2012
priority date (Note) -
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Abstract
A method for authenticating a timepiece including measuring acoustic vibrations emitted by said timepiece to obtain an electrical signal, said electrical signal indicating a variation of a magnitude of said measured acoustic vibrations as a function of time, wherein said electrical signal comprises a plurality of acoustic events associated with mechanical shocks taking place in said timepiece, extracting from said electrical signal or from a representation of said electrical signal in a time, frequency or time-frequency domain at least one of a magnitude information on a magnitude of one of said plurality of acoustic events, time information on said one of said plurality of acoustic events, and a frequency information on a frequency of said one of said plurality of acoustic events, comparing said extracted information with at least one of a reference information, and deriving information on an authenticity of said timepiece based on the comparing.
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