A wireless charging pad includes a capacitively-loaded conducting loop source resonator, with a characteristic size, L1, connected to a switching amplifier and configured to generate an oscillating magnetic field, wherein the conducting loop comprises multiple turns circumscribing an area, the condu
A wireless charging pad includes a capacitively-loaded conducting loop source resonator, with a characteristic size, L1, connected to a switching amplifier and configured to generate an oscillating magnetic field, wherein the conducting loop comprises multiple turns circumscribing an area, the conducting loop does not extend into the center of the circumscribed area, the source resonator delivers useful power to at least one device resonator with a characteristic size, L2, and where L1 is larger than L2.
대표청구항▼
1. A wireless charging pad comprising: a capacitively-loaded conducting loop source resonator, with a characteristic size, L1, connected to a switching amplifier and configured to generate an oscillating magnetic field; anda printed circuit board having more than one layer;wherein the conducting loo
1. A wireless charging pad comprising: a capacitively-loaded conducting loop source resonator, with a characteristic size, L1, connected to a switching amplifier and configured to generate an oscillating magnetic field; anda printed circuit board having more than one layer;wherein the conducting loop comprises multiple turns circumscribing an area,wherein the conducting loop comprises conducting trace patterns on at least one layer of the printed circuit board,wherein the source resonator delivers useful power to at least one device resonator with a characteristic size, L2, andwherein L1 is larger than L2. 2. The pad of claim 1, wherein the capacitively-loaded conducting loop of the source resonator is arranged within an enclosure, and the conducting loop comprises conducting trace patterns on each layer of the printed circuit board. 3. The pad of claim 1, wherein the capacitively-loaded conducting loop of the source resonator is arranged within a table top. 4. The pad of claim 1, wherein the source resonator delivers useful power to the at least one device resonator when the at least one device resonator is on the pad. 5. The pad of claim 1, wherein the source resonator delivers useful power to the at least one device resonator when the at least one device resonator is beside the pad. 6. The pad of claim 1, wherein the source resonator delivers useful power to the at least one device resonator when the at least one device resonator is under the pad. 7. The pad of claim 1, wherein the source resonator delivers useful power to the at least one device resonator when the at least one device resonator is above the pad. 8. The pad of claim 1, wherein a computer comprises the at least one device resonator. 9. The pad of claim 1, wherein a phone comprises the at least one device resonator. 10. The pad of claim 1, wherein a controller comprises the at least one device resonator. 11. The pad of claim 1, wherein a camera comprises the at least one device resonator. 12. The pad of claim 1, wherein a light comprises the at least one device resonator. 13. The pad of claim 1, wherein a battery pack comprises the at least one device resonator. 14. The pad of claim 1, further comprising at least one repeater resonator. 15. The pad of claim 1, wherein the pad receives power from another device using a USB cable. 16. The pad of claim 1, wherein the pad receives power from an AC/DC converter. 17. The pad of claim 1, wherein the pad receives power from any of a solar panel, a wind turbine, a water turbine, a fuel cell and a generator. 18. The pad of claim 1, wherein the pad receives power from a battery. 19. The pad of claim 1, wherein a keyboard comprises the at least one device resonator. 20. The pad of claim 1, wherein a computer mouse comprises the at least one device resonator.
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