WIRELESS ENERGY TRANSFER WITH FEEDBACK CONTROL FOR LIGHTING APPLICATIONS
First Claim
1. A wireless lighting power transfer method comprising:
- providing a source having a source resonator that includes a high-Q source magnetic resonator coupled to a power source;
providing a device having a device resonator that includes a high-Q device magnetic resonator, distal from the source resonator, the device including a light emitting part electrically coupled to the device resonator;
providing a signaling capability between the source and the device;
signaling a state of the device to the source using the signaling capability; and
energizing the source to generate an oscillating magnetic field according to the state of the device.
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Accused Products
Abstract
Described herein are improved configurations for a wireless lighting power transfer method including providing a source having a source resonator that includes a high-Q source magnetic resonator coupled to a power source, providing a device having a device resonator that includes a high-Q device magnetic resonator, distal from the source resonator, the device including a light emitting part electrically coupled to the device resonator, providing a signaling capability between the source and the device, signaling a state of the device to the source using the signaling capability, and energizing the source to generate an oscillating magnetic field according to the state of the device.
303 Citations
26 Claims
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1. A wireless lighting power transfer method comprising:
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providing a source having a source resonator that includes a high-Q source magnetic resonator coupled to a power source; providing a device having a device resonator that includes a high-Q device magnetic resonator, distal from the source resonator, the device including a light emitting part electrically coupled to the device resonator; providing a signaling capability between the source and the device; signaling a state of the device to the source using the signaling capability; and energizing the source to generate an oscillating magnetic field according to the state of the device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A wireless lighting system comprising:
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a source having at least one high-Q source magnetic resonator coupled to a power source and generating an oscillating magnetic field; a device having at least one high-Q device magnetic resonator, distal from the source magnetic resonator, having a light emitting part electrically coupled to the device magnetic resonator; and a signaling capability between the source and the device; wherein power is transferred wirelessly from the source resonator to the device resonator via the oscillating magnetic field and the light emitting part is energized by the electrical energy captured by the device magnetic resonator. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A system comprising:
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an outdoor lighting fixture sealed in a weatherproof enclosure that houses a light emitter to illuminate an area, a high-Q device magnetic resonator electrically coupled to the light emitter, and a transmitter to wirelessly communicate a signal; and a source spaced apart from the outdoor lighting fixture, the source including a power source, a high-Q source magnetic resonator wirelessly coupled through an oscillating magnetic field to the high-Q device magnetic resonator to transfer power from the power source to the light emitter, and a receiver to receive the signal and conditionally activate the power source to deliver power to the outdoor lighting fixture according to a state of the outdoor lighting fixture. - View Dependent Claims (21)
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22. A lighting fixture comprising:
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an illumination device including a battery; a magnetic resonator to wirelessly receive power for the illumination device through an oscillating magnetic field; a receiver to wirelessly receive a control signal for operation of the illumination device; a transmitter to wirelessly transmit a feedback signal characterizing a state of the illumination device; and a weatherproof housing enclosing the illumination device, the magnetic resonator, the receiver, and the transmitter for outdoor use. - View Dependent Claims (23, 24, 25, 26)
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Specification