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US 2021/0135348 A1Published application
Multi-Layer, Multi-Turn Inductor Structure for Wireless Transfer of Power
AssigneeNuCurrent, Inc.
InventorsVinit Singh, Christine A. Frysz
Life of this patent
Estimating the term…
Abstract
A structure for wireless communication having a plurality of conductor layers, an insulator layer separating each of the conductor layers, and at least one connector connecting two of the conductor layers wherein an electrical resistance is reduced when an electrical signal is induced in the resonator at a predetermined frequency. The structure is capable of transmitting or receiving electrical energy and/or data at various near and far field magnetic coupling frequencies.
Claims30
A system for wireless transfer of power, the system comprising:
- (1) a first device comprising:
- (a) a transmitting antenna for wireless transfer of power;
- (b) a power source configured to supply power to the transmitting antenna;
- and
- (2) a second device comprising:
- (a) a receiving antenna for wireless transfer of power, the receiving antenna comprising a multi-layer, multi-turn inductor structure including:
- a first conductive layer having multiple turns;
- a second conductive layer having multiple turns;
- a layer of insulating material between the first and second conductive layers;
- and
- a plurality of vias that extend from the first conductive layer through the layer of insulating material to the second conductive layer and thereby electrically connect the first and second conductive layers;
- (b) a rechargeable battery;
- and
- (c) transfer circuitry configured to transfer electrical current from the receiving antenna to the rechargeable battery;
- wherein transmitting antenna is configured to produce a magnetic field for wireless transfer of power at a frequency within a given frequency range when the power source is supplying power to the transmitting antenna;
- and
- wherein the multi-layer, multi-turn inductor structure of the receiving antenna is configured to (i) produce an induced electrical current from the magnetic field produced by the transmitting antenna at the frequency within the given frequency range and (ii) provide the induced electrical current to the rechargeable battery via the transfer circuitry.
14 more elements
A receiving antenna for wireless transfer of power, the receiving antenna comprising:
- a multi-layer, multi-turn inductor structure including:
- a first conductive layer having multiple turns;
- a second conductive layer having multiple turns;
- a layer of insulating material between the first and second conductive layers;
- and
- a plurality of vias that extend from the first conductive layer through the layer of insulating material to the second conductive layer and thereby electrically connect the first and second conductive layers;
- wherein the multi-layer, multi-turn inductor structure is configured for wireless transfer of power within a given frequency range such that, when the receiving antenna is in a near field of a transmitting antenna that is generating a magnetic field for wireless transfer of power at a frequency within the given frequency range, the multi-layer, multi-turn inductor structure is capable of producing an induced electrical current from the magnetic field.
4 more elements
A transmitting antenna for wireless transfer of power, the transmitting antenna comprising:
- a multi-layer, multi-turn inductor structure including:
- a first conductive layer having multiple turns;
- a second conductive layer having multiple turns;
- a layer of insulating material between the first and second conductive layers;
- and
- a plurality of vias that extend from the first conductive layer through the layer of insulating material to the second conductive layer and thereby electrically connect the first and second conductive layers;
- wherein the multi-layer, multi-turn inductor structure is configured for wireless transfer of power within a given frequency range such that, when a power source is applied to the transmitting antenna, the transmitting antenna produces a magnetic field at a frequency within a given frequency range that is capable of inducing an electrical current at a receiving antenna that is in a near field of the transmitting antenna.
4 more elements
Dependencies are inferred from the claim text.