Body communication antenna
AssigneeNXP B.V.
InventorsAnthony Kerselaers, Liesbeth Gomme, Steven Thoen
Life of this patent
Estimating the term…
Abstract
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.
Claims18
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.
Dependencies are inferred from the claim text.