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Body communication antenna

  • US 9,819,075 B2
  • Filed: 12/18/2014
  • Issued: 11/14/2017
  • Est. Priority Date: 05/05/2014
  • Status: Active Grant
First Claim
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1. An electromagnetic induction wireless communication system comprising 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, the capacitor is an electric field antenna, the inductor is a magnetic field antenna, and the electromagnetic induction antenna is configured to communicate by using a combination of both a reactive electric field via the electric field antenna and a reactive magnetic field via the magnetic field antenna, wherein the reactive magnetic field passes through a living body, and the reactive electric field is coupled to the living body, wherein the reactive electric field has a direction perpendicular to a surface of the living body and is available around the living body.

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