SMART CARD SEQUENTIALLY GENERATING DYNAMIC MAGNETIC FIELD AND CONTROL METHOD THEREOF

摘要

According to an aspect of the present invention, A battery provided inside the plate; A memory provided inside the plate and storing card information of a plurality of cards; A user interface unit provided on an outer surface of the plate to select card information desired to be used by a user; A magnetic field generator having a plurality of tracks capable of generating a magnetic field by receiving current from the battery; And a controller for reading card information of a card selected by a user through the user interface unit from the memory and sequentially supplying a current to the plurality of tracks in a predetermined order to generate a magnetic field signal corresponding to the selected card information A smart card that generates a dynamic magnetic field sequentially can be provided.