AR097438A1 - METHOD AND SYSTEM TO AUTHENTICATE A DEVICE - Google Patents

METHOD AND SYSTEM TO AUTHENTICATE A DEVICE

Info

Publication number
AR097438A1
AR097438A1 ARP140103173A ARP140103173A AR097438A1 AR 097438 A1 AR097438 A1 AR 097438A1 AR P140103173 A ARP140103173 A AR P140103173A AR P140103173 A ARP140103173 A AR P140103173A AR 097438 A1 AR097438 A1 AR 097438A1
Authority
AR
Argentina
Prior art keywords
frequency
clock
electrical signal
power spectrum
resonance frequency
Prior art date
Application number
ARP140103173A
Other languages
Spanish (es)
Original Assignee
Sicpa Holding Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sicpa Holding Sa filed Critical Sicpa Holding Sa
Publication of AR097438A1 publication Critical patent/AR097438A1/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/002—Electrical measuring and testing apparatus
    • G04D7/003—Electrical measuring and testing apparatus for electric or electronic clocks
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
    • G04D7/1207—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring
    • G04D7/1214—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for complete clockworks
    • G04D7/1221—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for complete clockworks with recording, e.g. vibrograph
    • G04D7/1228—Devices for facilitating the reading or the interpretation of the recording

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

Método para autenticar un reloj, que comprende medir vibraciones acústicas emitidas por el reloj para obtener una señal eléctrica que indica información sobre magnitud que comprende una variación de una magnitud de las vibraciones acústicas medidas como una función de tiempo. La señal eléctrica comprende al menos un tono específico asociado a la presencia de un resonador de cuarzo en el reloj. El método también comprende realizar una transformada de la señal eléctrica en el dominio de frecuencia para obtener el espectro de potencia de dominio de frecuencia que indica una variación de potencia de la señal eléctrica como una función de frecuencia, procesar el espectro de potencia de dominio de frecuencia para revelar al menos un pico angosto en el espectro de potencia de dominio de frecuencia correspondiente a al menos un tono específico, y extraer al menos una frecuencia de resonancia correspondiente a al menos un pico angosto. El método también comprende comparar al menos una frecuencia de resonancia extraída con al menos una frecuencia de resonancia de referencia; y determinar la autenticidad del reloj.Method for authenticating a clock, which comprises measuring acoustic vibrations emitted by the clock to obtain an electrical signal indicating magnitude information comprising a variation of a magnitude of the acoustic vibrations measured as a function of time. The electrical signal comprises at least one specific tone associated with the presence of a quartz resonator in the clock. The method also comprises performing a transformation of the electrical signal in the frequency domain to obtain the frequency domain power spectrum indicating a variation of the power of the electrical signal as a frequency function, processing the domain power spectrum of frequency to reveal at least one narrow peak in the frequency domain power spectrum corresponding to at least one specific tone, and extract at least one resonance frequency corresponding to at least one narrow peak. The method also comprises comparing at least one resonance frequency extracted with at least one reference resonance frequency; and determine the authenticity of the clock.

ARP140103173A 2013-08-23 2014-08-22 METHOD AND SYSTEM TO AUTHENTICATE A DEVICE AR097438A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP2013067591 2013-08-23

Publications (1)

Publication Number Publication Date
AR097438A1 true AR097438A1 (en) 2016-03-16

Family

ID=49035590

Family Applications (2)

Application Number Title Priority Date Filing Date
ARP140103174A AR097439A1 (en) 2013-08-23 2014-08-22 METHOD AND AUTHENTICATION SYSTEM THROUGH THE USE OF A QUARTZ OSCILLATOR
ARP140103173A AR097438A1 (en) 2013-08-23 2014-08-22 METHOD AND SYSTEM TO AUTHENTICATE A DEVICE

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ARP140103174A AR097439A1 (en) 2013-08-23 2014-08-22 METHOD AND AUTHENTICATION SYSTEM THROUGH THE USE OF A QUARTZ OSCILLATOR

Country Status (1)

Country Link
AR (2) AR097439A1 (en)

Also Published As

Publication number Publication date
AR097439A1 (en) 2016-03-16

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