Method of Facilitating Touch Operation for NFC by Touch Sensor Detecting NFC Antenna of IC Card

This paper reviews the patented method of making touch operation easy for NFC by touch sensor detecting the NFC antenna of the contactless IC card. The NFC antenna built in the tablet system is smaller than the one of the contactless IC cards. The NFC antenna size gap between the tablet system and the contactless IC card can cause the NFC antenna detection problem when the alignment of the NFC antenna is not proper during the touch operation for NFC. The method enables to resolve this antenna detection problem and also save power consumption during the pre-polling period of NFC.