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:
May. 27, 2025
Filed:
May. 10, 2022
Ssenstone Inc., Seoul, KR;
Chang-Hun Yoo, Seoul, KR;
SSENSTONE INC., Seoul, KR;
Abstract
Provided are a smart card device, a device for generating a virtual code for authentication, a method of generating a virtual code for authentication using the same, and a server for verifying a virtual code for authentication. The method includes transmitting time data to a card upon tagging of the card in which an IC chip has been embedded, receiving, from the card, a virtual code for primary authentication generated based on the time data, generating a virtual code for secondary authentication by using the virtual code for primary authentication, transmitting at least one of the virtual code for primary authentication and the virtual code for secondary authentication to a server, and requesting the server to perform verification on the at least one.