Wireless power transmission system, and method and apparatus for controlling power in wireless power transmission system
First Claim
1. A method of controlling power in a wireless power transmission system, comprising:
- determining a resonance frequency of the wireless power transmission system in which a wireless power transmission efficiency is greater than or equal to a predetermined value;
generating an operation power based on the wireless power transmission efficiency, the operation power being used to operate a target device;
transmitting the operation power to the target device; and
controlling an amount of the operation power received by the target device to be within a predetermined range,wherein the controlling comprises redetermining the resonance frequency if the wireless power transmission efficiency is less than the predetermined value.
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Accused Products
Abstract
A wireless power transmission system, and an apparatus and method for controlling power in the wireless power transmission system are provided. The method includes determining a resonance frequency of the wireless power transmission system in which a wireless power transmission efficiency is greater than or equal to a predetermined value. The method further includes generating an operation power based on the wireless power transmission efficiency, the operation power being used to operate a target device. The method further includes transmitting the operation power to the target device. The method further includes controlling an amount of the operation power received by the target device to be within a predetermined range.
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Citations
21 Claims
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1. A method of controlling power in a wireless power transmission system, comprising:
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determining a resonance frequency of the wireless power transmission system in which a wireless power transmission efficiency is greater than or equal to a predetermined value; generating an operation power based on the wireless power transmission efficiency, the operation power being used to operate a target device; transmitting the operation power to the target device; and controlling an amount of the operation power received by the target device to be within a predetermined range, wherein the controlling comprises redetermining the resonance frequency if the wireless power transmission efficiency is less than the predetermined value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of controlling power in a wireless power transmission system, comprising:
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determining a resonance frequency of the wireless power transmission system in which a wireless power transmission efficiency is greater than or equal to a predetermined value; generating a power based on the wireless power transmission efficiency; transmitting the power to a target device; and controlling an amount of the power received by the target device to be within a predetermined range, wherein the controlling comprises redetermining the resonance frequency if the wireless power transmission efficiency is less than the predetermined value. - View Dependent Claims (11)
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12. A method of controlling power in a wireless power transmission system, comprising:
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receiving a tracking power from a source device, the tracking power being used to track a resonance frequency of the wireless power transmission system; receiving an operation power from the source device if the resonance frequency is tracked by the source device, the operation power being used to operate a target device; transmitting, to the source device, information on an amount of the received tracking power, a dissipation power of the target device, and an amount of the received operation power; and controlling the amount of the received operation power to be within a predetermined range, wherein the resonance frequency is redetermined by the source device if a wireless power transmission efficiency is less than a predetermined value. - View Dependent Claims (13)
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14. A source device in a wireless power transmission system, comprising:
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a controller configured to determine a resonance frequency of the wireless power transmission system in which a wireless power transmission efficiency is greater than or equal to a predetermined value; a power converter configured to generate and output an operation power based on the wireless power transmission efficiency, the operation power being used to operate a target device; and a source resonator configured to transmit the operation power to the target device, wherein the controller is further configured to control an amount of the operation power received by the target device to be within a predetermined range, and redetermining the resonance frequency if the wireless power transmission efficiency is less than the predetermined value. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A target device in a wireless power transmission system, comprising:
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a target resonator configured to receive a tracking power from a source device, the tracking power being used to track a resonance frequency of the wireless power transmission system, and receive an operation power from the source device if the resonance frequency is tracked by the source device, the operation power being used to operate the target device; and a controller configured to transmit, to the source device, information on an amount of the received tracking power, a dissipation power of the target device, and an amount of the received operation power, and control the amount of the received operation power to be within a predetermined range, wherein the resonance frequency is redetermined by the source device if a wireless power transmission efficiency is less than a predetermined value. - View Dependent Claims (21)
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Specification