METHOD IN WIRELESS POWER TRANSMISSION SYSTEM, WIRELESS POWER TRANSMISSION APPARATUS USING THE SAME, AND WIRELESS POWER RECEIVING APPARATUS USING THE SAME
First Claim
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1. A wireless power transmission control method in a wireless power transmission system, the method comprising:
- receiving a wake-up signal from a wireless power receiving apparatus;
in response to the wake-up signal, activating a deactivated power block; and
transmitting a wireless power transmission signal to the wireless power receiving apparatus through a transmission coil of a wireless power transmission apparatus.
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Abstract
Disclosed herein are a wireless power transmission control method in a wireless power transmission system, including receiving awake-up signal from a wireless power receiving apparatus and transmitting a wireless power transmission signal to the wireless power receiving apparatus through a transmission coil of a wireless power transmission apparatus while activating a deactivated power block when the wake-up signal is received; a wireless power transmission apparatus using the same; and a wireless power receiving apparatus using the same.
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Citations
20 Claims
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1. A wireless power transmission control method in a wireless power transmission system, the method comprising:
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receiving a wake-up signal from a wireless power receiving apparatus; in response to the wake-up signal, activating a deactivated power block; and transmitting a wireless power transmission signal to the wireless power receiving apparatus through a transmission coil of a wireless power transmission apparatus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless power transmission apparatus, comprising:
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a transmission coil configured to transmit a wireless power signal to a wireless power receiving apparatus; a communication unit configured to receive a wake-up signal from the wireless power receiving apparatus; a power block configured to supply power; and a transmission control unit configured to activate the power block when the wake-up signal is received through the communication unit, and to transmit the wireless power transmission signal to the wireless power receiving apparatus through the transmission coil. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A wireless power receiving apparatus, comprising:
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a receiving coil configured to receive a wireless power transmission signal; an impedance matching unit configured to resonate between the receiving coil and a transmission coil of a wireless power transmission apparatus; a communication module configured to transmit a wake-up signal to the wireless power transmission apparatus; a power block configured to receive a power signal from the impedance matching unit and to output a DC power; a power control block configured to control the power block; a battery configured to be charged with the DC power from the power block; and a receiving control unit configured to control the communication module to transmit the wake-up signal to the wireless power transmission apparatus, and to control the power control block to charge the battery when a wireless power signal is received from the wireless power transmission apparatus.
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Specification