WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER, AND METHOD FOR WIRELESS POWER TRANSFER USING THEM
First Claim
1. A method for a wireless power transfer, comprising:
- modulating a transmission frequency according to a predetermined value at a wireless power transmitter; and
transmitting a high frequency signal according to the modulated transmission frequency from the wireless power transmitter to at least one wireless power receiver and redetermining the predetermined value according to information which corresponds to a power value of the high frequency signal received by the at least one wireless power receiver,wherein the modulating the transmission frequency at the wireless power transmitter and transmitting the high frequency and the redetermining the predetermined value the at least one wireless power receiver are repeated.
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Accused Products
Abstract
Provided is a method for a wireless power transfer. The method includes modulating a transmission frequency according to a predetermined value at a wireless power transmitter; and transmitting a high frequency signal according to the modulated transmission signal from the wireless power transmitter to at least one wireless power receiver and redetermining the predetermined value according to information which corresponds to a power value of the high frequency signal received by the at least one wireless power receiver, wherein the modulating the transmission frequency at the wireless power transmitter and transmitting the high frequency and the redetermining the predetermined value the at least one wireless power receiver are repeated.
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Citations
19 Claims
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1. A method for a wireless power transfer, comprising:
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modulating a transmission frequency according to a predetermined value at a wireless power transmitter; and transmitting a high frequency signal according to the modulated transmission frequency from the wireless power transmitter to at least one wireless power receiver and redetermining the predetermined value according to information which corresponds to a power value of the high frequency signal received by the at least one wireless power receiver, wherein the modulating the transmission frequency at the wireless power transmitter and transmitting the high frequency and the redetermining the predetermined value the at least one wireless power receiver are repeated. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A wireless power transmitter, comprising:
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a power generation unit configured to receive an alternating current power and generate a high frequency direct current power; a frequency modulation unit configured to determine and modulate a transmission frequency of the high frequency direct current power based on a feedback signal received from at least one wireless power receiver; and a transmission coil unit configured to transmit the high frequency direct current power as a non-radiative electromagnetic wave. - View Dependent Claims (11, 12, 13, 14)
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15. A wireless power receiver, comprising:
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a reception coil unit configured to receive a high frequency signal; a power generation unit configured to generate a direct current power by using an alternating current power received by the reception coil unit; a load unit configured to be driven by the generated direct current power; and a feedback signal generation unit configured to generate a feedback signal which corresponds to a power value of the received high frequency signal, wherein the high frequency signal has a transmission frequency modulated according to the feedback signal. - View Dependent Claims (16, 17, 18, 19)
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Specification