Wireless power system with associated impedance matching network
First Claim
1. A wireless power system for powering a device, the system comprising:
- at least one device resonator comprising at least one loop of conductive material;
a matching network coupled with the at least one loop of conductive material, wherein the device resonator and the matching network comprise at least two capacitive elements; and
power and control circuitry coupled with the matching network at two terminals and configured to connect with a load of the device;
wherein the matching network is configured to provide voltages of equal magnitude and opposite sign at the terminals when coupling power from the at least one device resonator to the power and control circuitry;
wherein the at least one device resonator is configured to wirelessly receive power from a source resonator via an oscillating magnetic field generated by the source resonator.
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Accused Products
Abstract
A wireless power system for powering a device having an electronic display includes: a device resonator including a loop of conductive material, the device resonator being coupled with an electronic display component; a matching network coupled with the loop of conductive material and including capacitive elements; and power and control circuitry coupled with the matching network at two terminals and configured to connect with a load of the electronic display component; wherein the matching network is configured to provide voltages of equal magnitude and opposite sign at the terminals when coupling power from the device resonator to the power and control circuitry; and wherein the device resonator is configured to wirelessly receive power from a source resonator via an oscillating magnetic field generated by the source resonator.
705 Citations
37 Claims
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1. A wireless power system for powering a device, the system comprising:
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at least one device resonator comprising at least one loop of conductive material; a matching network coupled with the at least one loop of conductive material, wherein the device resonator and the matching network comprise at least two capacitive elements; and power and control circuitry coupled with the matching network at two terminals and configured to connect with a load of the device; wherein the matching network is configured to provide voltages of equal magnitude and opposite sign at the terminals when coupling power from the at least one device resonator to the power and control circuitry; wherein the at least one device resonator is configured to wirelessly receive power from a source resonator via an oscillating magnetic field generated by the source resonator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 31, 32)
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23. An apparatus comprising:
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a device having a load; at least one device resonator comprising at least one loop of conductive material; a matching network coupled with the at least one loop of conductive material and wherein the resonator and the matching network comprise at least two capacitive elements; and power and control circuitry coupled with the matching network at two terminals and configured to connect with the load of the device; wherein the matching network is configured to provide voltages of equal magnitude and opposite sign at the terminals when coupling power from the at least one device resonator to the power and control circuitry; wherein the at least one device resonator is configured to wirelessly receive power from a source resonator via an oscillating magnetic field generated by the source resonator. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 33, 34, 35, 36, 37)
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Specification