BODY COMMUNICATION ANTENNA

摘要

An electromagnetic induction wireless communication system including: a magnetic antenna; an electric antenna; a tuning capacitor coupled to the magnetic antenna configured to tune the magnetic antenna; a controller configured to control the operation of the communication system; a signal source coupled to the controller configured to produce a communication signal used to drive the magnetic antenna and the electric antenna; a voltage control unit coupled to the signal source configured to produce one of an amplitude difference, phase difference, and an amplitude and a phase difference between the communication signal used to drive the magnetic antenna and electric antenna.

主权项

1. An electromagnetic induction antenna comprising:
a capacitor having a first plate and a second plate spaced apart from the first plate; and an inductor including windings surrounding the first plate; wherein the capacitor and inductor are electrically connected, wherein the capacitor is an electric field antenna, and wherein the inductor is a magnetic field antenna.