RFID ANTENNA DEVICE, RFID TAG AND MOBILE ELECTRONIC TERMINAL WITH RFID TAG FUNCTION

摘要

PROBLEM TO BE SOLVED: To mount an RFID antenna on a thin mobile electronic terminal by eliminating communication disabling regions (NULL) that hamper contactless near-field communication.

SOLUTION: The RFID antenna device 10 having a thin loop RFID antenna 11 and magnetic sheet 12 for covering a surface of the RFID antenna 11 is mounted in a thin mobile telephone 14 to carry out contactless communication with a reader/writer device 2 by allowing the RFID antenna 11 to approximate to a loop RW antenna 3 equipped with the reader/writer device 2 when using a RFID system. The magnetic sheet portions 13, 13, ... corresponding to two antenna superimposing regions in which the RFID antenna 11 and RW antenna 3 are superimposed with one another are entirely or partially removed from the magnetic sheet 12 when using the RFID system.

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