Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 12, 2022
Patent Application Number
17264922
Date Filed
October 24, 2019
Patent Citations
Patent Primary Examiner
Disclosed is an authentication apparatus. The authentication apparatus according to an embodiment of the present invention comprises: a storage unit for storing authentication data corresponding to content stored in a management server; a control unit for converting the authentication data into a sound wave signal; and a sound wave output unit for outputting the converted sound wave signal.
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