Wireless power transmission and charging system, and power control method of wireless power transmission and charging system
First Claim
1. A power control method of a wireless power transmission, the power control method comprising:
- transmitting, by a source device, access information for identifying a target device, to the target device;
transmitting, by the source device, a call message to the target device, where the call message being generated based on the access information;
receiving, at the source device, a response message from the target device, where the response message generated based on the access information and the call message;
assigning a short ID to the target device, based on the response message in response to the call message, where the short ID being used to identify the target device;
generating charging power for the target device identified based on the response message, by a power amplifier of the source device; and
transmitting the charging power to the target device.
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Accused Products
Abstract
A wireless power transmission and charging system, and a power control method of the wireless power transmission and charging system are provided. The power control method may include generating charging power using the power amplifier. The charging power may be used to charge a target device. The charging power may be transmitted to the target device. The voltage supplied to the power amplifier may be adjusted based on a detected change in the current input to the power amplifier, a detected change in the temperature of the source device, a detected change in the amount of the power received to the target device, or a detected change in the temperature of the target device.
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Citations
20 Claims
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1. A power control method of a wireless power transmission, the power control method comprising:
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transmitting, by a source device, access information for identifying a target device, to the target device; transmitting, by the source device, a call message to the target device, where the call message being generated based on the access information; receiving, at the source device, a response message from the target device, where the response message generated based on the access information and the call message; assigning a short ID to the target device, based on the response message in response to the call message, where the short ID being used to identify the target device; generating charging power for the target device identified based on the response message, by a power amplifier of the source device; and transmitting the charging power to the target device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A wireless power transmitter of a wireless power transmission, the wireless power transmitter comprising:
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a power converter configured to generate power; a source resonator configured to transmit access information for identifying a target device to the target device, transmit a call message to the target device, where the call message being generated based on the access information, receive, at the source device, a response message from the target device, where the response message generated based on the access information and the call message, and transmit power to the target device identified based on the response message; and a controller configured to assign a short ID to the target device, based on the response message in response to the call message, where the short ID being used to identify the target device.
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13. The wireless power transmitter 12, wherein the power converter is configured to generate power by converting a direct current (DC) voltage to an alternating current (AC) voltage using a resonance frequency.
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14. The wireless power transmitter 12, wherein the controller is further configured to:
determine an amount of a reference power based on a battery state of the target device, the reference power being supplied to the power amplifier.
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15. The wireless power transmitter 12, wherein the co source resonator is further configured to:
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receive, from the target device, power information of a rectifier output of the target device, and adjust a voltage supplied to a power amplifier based on the power information.
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16. A power receiving method of a wireless power transmission, the power receiving method comprising:
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receiving, at a target device, an access information for identifying the target device, from a source device; receiving, at the target device, a call message from the source device where the call message being generated based on the access information; transmitting, from the target device to the source device, a response message where the response message generated based on the access information and the call message; and receiving, at the target device, a charging power for the charging operation from a source device based on the response message; wherein a short ID is assigned to the target device, based on the response message in response to the call message, where the short ID being used to identify the target device. - View Dependent Claims (17, 18, 19, 20)
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Specification