APPARATUS AND METHOD FOR RESONANCE POWER TRANSMISSION AND RESONANCE POWER RECEPTION
First Claim
Patent Images
1. A resonance power transmitter comprising:
- a source resonance unit including a plurality of source resonators that are each configured to transmit AC power to a resonance power receiver;
a path-multiplexer configured to supply the AC power to each of the plurality of source resonators;
a detector configured to transmit a wake-up signal to at least one resonance power receiver; and
a source controller configured to control the path-multiplexer in order to transmit the AC power to the at least one detected resonance power receiver.
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Abstract
Provided is an apparatus and method that may select a target for a wireless power transmission. A resonance power transmitter may include a source resonance unit including a plurality of source resonators that are each configured to transmit AC power to a resonance power receiver; a path-multiplexer configured to supply the AC power to each of the plurality of source resonators; a detector configured to transmit a wake-up signal to at least one resonance power receiver; and a source controller configured to control the path-multiplexer in order to transmit the AC power to the at least one detected resonance power receiver.
54 Citations
24 Claims
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1. A resonance power transmitter comprising:
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a source resonance unit including a plurality of source resonators that are each configured to transmit AC power to a resonance power receiver; a path-multiplexer configured to supply the AC power to each of the plurality of source resonators; a detector configured to transmit a wake-up signal to at least one resonance power receiver; and a source controller configured to control the path-multiplexer in order to transmit the AC power to the at least one detected resonance power receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A resonance power receiver comprising:
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a target resonance unit configured to receive, from a resonance power transmitter, an a wake-up signal; a power determining unit configured to determine whether a target resonator of the resonance power receiver is awakened by the wake-up; and a target controller configured to control an impedance of the awakened target resonator to perform impedance matching between a source resonator of the resonance power transmitter and the awakened target resonator. - View Dependent Claims (10, 11, 12, 13)
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14. A method of transmitting resonance power comprising:
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supplying AC power from a power supply to each of a plurality of source resonators; generating a wake-up signal for each of the plurality of source resonators; transmitting the wake-up signals to at least one resonance power receiver; detecting the at least one resonance power receiver by receiving from the at least one resonance power receiver a signal in response to one of the wake-up signals; and transmitting the AC power to the at least one detected resonance power receiver. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A method of receiving a resonance power comprising:
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receiving, from a resonance power transmitter, a wake-up signal; determining whether a target resonator of a resonance power receiver is awakened by the wake-up signal; and controlling an impedance of the awakened target resonator to perform impedance matching between a source resonator of the resonance power transmitter and the awakened target resonator. - View Dependent Claims (22, 23)
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21. The method of claim 21, further comprising:
receiving an ID of the resonance power transmitter and an ID of a source resonator included in the resonance power transmitter, and transmitting a signal in response to the wake-up signal, a charging request signal, information associated with an ID of an awakened target resonator, and information associated with an ID of an awakened resonance power receiver.
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24. A resonance power transmitter comprising:
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a source resonator configured to transmit the resonance power to a resonance power receiver; a controller configured to transmit a wake-up signal to at least one resonance power receiver; and a path-multiplexer configured to supply AC power to the resonance power receiver in response to the wake-up signal from the plurality of resonators.
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Specification