Inductive Wireless Power Transfer Device and System Using Same
OwnerHuib Visserinventor
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Abstract
An inductive wireless power transfer device is disclosed. The inductive wireless power transfer device includes a transmit coil for generating a magnetic field with a magnetic field intensity suitable for power transmission through magnetic induction. The transmit coil includes at least one halo antenna structure having a first winding for generating the magnetic field and a second winding for reducing the magnetic field intensity of the magnetic field in a central area of the transmit coil.
Claims20
An inductive wireless power transfer device comprising a transmit coil for generating a magnetic field with a magnetic field intensity suitable for power transmission through magnetic induction,
- wherein the transmit coil comprises at least one halo antenna structure comprising:
- a first winding for generating the magnetic field;
- and
- a second winding for reducing the magnetic field intensity of the magnetic field in a central area of the transmit coil.
An inductive wireless power transfer system comprising:
- an inductive wireless power transfer transmitter device;
- and
- an inductive wireless power transfer receiver device, wherein the receiver device comprises a receiver coil configured for receiving power through the magnetic field generated by the at least one halo antenna structure.
Dependencies are inferred from the claim text.