Title:
AUTHENTICATION INFORMATION TRANSMISSION DEVICE USING INAUDIBLE SOUND WAVE COMMUNICATION
Document Type and Number:
WIPO Patent Application WO/2022/050496
Kind Code:
A1
Abstract:
An authentication device is disclosed. The authentication device according to an embodiment of the present invention comprises: a storage unit for storing authentication information and a plurality of precondition signals corresponding to conversion methods for converting the authentication information into sound waves; a control unit for selecting at least one precondition signal from among the plurality of precondition signals, and converting the authentication information into a sound wave signal by means of a conversion method corresponding to the selected precondition signal; and a sound wave output unit for outputting, as a sound wave signal, the selected precondition signal and the authentication information which has been converted into a sound wave signal.
Inventors:
PARK JONG SUNG (KR)
Application Number:
PCT/KR2020/016564
Publication Date:
March 10, 2022
Filing Date:
November 23, 2020
Export Citation:
Assignee:
MUZLIVE INC (KR)
International Classes:
G06F21/35; G06F21/45; G06F21/60; H04B11/00; H04L27/10
Foreign References:
| KR20200047214A | 2020-05-07 | |||
| KR970055903A | 1997-07-31 | |||
| KR20070029987A | 2007-03-15 | |||
| KR20060056334A | 2006-05-24 | |||
| KR200291064Y1 | 2002-10-09 |
Attorney, Agent or Firm:
LIM, Hyung Chul (KR)
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