POSITION INSENSITIVE WIRELESS CHARGING
First Claim
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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 fieldwherein the conducting loop comprises multiple turns circumscribing an area,wherein the conducting loop does not extend into the center of the circumscribed area,wherein the source resonator delivers useful power to at least one device resonator with a characteristic size, L2, andwherein, L1 is larger than L2.
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Abstract
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.
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Citations
18 Claims
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1. A wireless charging pad comprising:
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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, wherein the conducting loop does not extend into the center of the circumscribed area, wherein the source resonator delivers useful power to at least one device resonator with a characteristic size, L2, and wherein, L1 is larger than L2. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification