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.
Patent No.:
Date of Patent:
Aug. 12, 2025
Filed:
Nov. 23, 2020
Muzlive Inc., Seoul, KR;
Jong Sung Park, Seoul, KR;
MUZLIVE INC., Seoul, KR;
Abstract
Disclosed is an authentication device. The authentication device comprises: a storage unit for storing authentication information and a plurality of counting information corresponding to a conversion method for converting the authentication information into a sound wave signal; a control unit for converting the authentication information into a sound wave signal by a conversion method corresponding to the counting information changed according to the number of user input; and a sound wave output unit for outputting the authentication information converted into the sound wave signal and the changed counting information as a sound wave signal. Accordingly, it is possible to achieve the effect of improving security as the sound wave signal for transmitting the same authentication information is changed according to the counting information.