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Title:
POS terminal, payment system and method using sound waves
Document Type and Number:
Japanese Patent JP6356259
Kind Code:
B2
Abstract:
An acoustic wave payment method, comprising the steps of: generating, by an acoustic wave sending device (20), a transaction digital signal according to a transaction instruction, encrypting and modulating the transaction digital signal to generate a transaction signal, and playing the transaction signal; generating, by a POS terminal device (10), a random interference signal, and playing the interference signal through an audio sending unit (13); receiving, by the POS terminal device (10), a superimposed aliasing signal of the interference signal and the transaction signal played by the acoustic wave sending device (20) through an audio receiving unit (12), and then subtracting the product of the interference signal and an experience weighted value from the aliasing signal to obtain a transaction signal; and converting, by the POS terminal device (10), the transaction signal into a digital signal, and conducting decoding, decryption and demodulation signal processing on the digital signal to obtain transaction information corresponding to the transaction signal. Also disclosed are an acoustic wave payment system (100) and a POS terminal device (10) thereof.

Inventors:
Jiang Jin Yang
Chen Chui Jian
Zhou Wenshiah
Application Number:
JP2016560552A
Publication Date:
July 11, 2018
Filing Date:
January 14, 2015
Export Citation:
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Assignee:
FUJIAN LANDI COMMERCIAL EQUIPMENT CO.,LTD
International Classes:
G07G1/00; G07G1/12; H04B11/00
Domestic Patent References:
JP2013098666A
JP2011086010A
JP2002027124A
JP2002216080A
JP2015508541A
Foreign References:
WO2013038416A1
US20070063027
WO2013106159A1
Attorney, Agent or Firm:
Kaji/Suhara Patent Office