PROBLEM TO BE SOLVED: To certainly perform communication through a living body.SOLUTION: A living body communication system comprises: two electrodes 1 and 2 a communication device 3 which is connected to the electrodes 1 and 2, transmits a signal by passing current in a loop-like current path 100 including each lead wires, the electrodes 1 and 2, and a living body positioned in the vicinity of the electrodes (a human body of a user U), and receives a signal by current flowing in the current path 100 a loop antenna 4 arranged so as to form magnetic coupling with the current path 100 and a communication device 5 which transmits a signal by passing current in the loop antenna 4, and receives a signal by current flowing in the loop antenna 4.COPYRIGHT: (C)2013,JPO&INPIT【課題】生体を介して確実に通信を行う。【解決手段】2つの電極1、2と、電極1、2に導線で接続され、各導線と電極1、2とその近傍に位置する生体(ユーザUの人体)とを含むループ状の電流経路100に電流を流すことにより信号を送信するとともに電流経路100を流れる電流により信号を受信する通信装置3と、電流経路100に磁気結合するように配置されるループアンテナ4ならびにループアンテナ4に電流を流すことにより信号を送信するとともにループアンテナ4を流れる電流により信号を受信する通信装置5とを設ける。【選択図】図1
