NFC ANTENNA USING DUAL RESONANCE

Title:

NFC ANTENNA USING DUAL RESONANCE

Document Type and Number:

WIPO Patent Application WO/2010/143849

Kind Code:

A3

Abstract:

The present invention is disclosed to provide an NFC antenna using dual resonance, wherein a closed circuit is formed by a capacitor and a loop antenna, and a relay unit is attached to a portable wireless terminal that forms a resonance to a predetermined frequency signal mutually transmitted between a portable wireless terminal reader and an NFC chip, and in the course of communicating between the NFC chip and the reader, the relay unit relays a signal transmitted by the reader to an NFC antenna unit, and the NFC chip relays a signal transmitted through the NFC antenna unit to the reader to thereby increase a recognition distance capable of obtaining predetermined information.

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Inventors:

CHO YOUNGBIN (KR)

Application Number:

PCT/KR2010/003632

Publication Date:

March 10, 2011

Filing Date:

June 07, 2010

Export Citation:

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Assignee:

LG INNOTEK CO LTD (KR)
CHO YOUNGBIN (KR)

International Classes:

H01Q1/24; G06K19/077; H01Q7/00

Foreign References:

KR20020064451A	2002-08-09
KR20000063118A	2000-11-06
KR100682539B1	2007-02-15

Other References: