WIRELESS POWER TRANSMISSION DEVICE, WIRELESS POWER RECEPTION DEVICE AND WIRELESS POWER TRANSMISSION SYSTEM
First Claim
1. A wireless power transmission system comprising:
- a power supply unit generating amplified power;
a wireless power transmission unit receiving and converting the amplified power into wireless power;
a wireless power reception unit receiving and converting the wireless power into charging power; and
a charging unit receiving the charging power,wherein the charging unit comprises a battery to store the charging power and the power supply unit comprises a power detection unit identifies the charged state of the battery based on the amplified voltage and amplified current of the amplified power.
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Accused Products
Abstract
Provided is a wireless power transmission system. The wireless power transmission system includes a power supply unit generating amplified power; a wireless power transmission unit receiving and converting the amplified power into wireless power; a wireless power reception unit receiving and converting the wireless power into charging power; and a charging unit receiving the charging power, wherein the charging unit includes a battery to store the charging power and the power supply unit includes a power detection unit identifies the charged state of the battery based on the amplified voltage and amplified current of the amplified power.
173 Citations
16 Claims
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1. A wireless power transmission system comprising:
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a power supply unit generating amplified power; a wireless power transmission unit receiving and converting the amplified power into wireless power; a wireless power reception unit receiving and converting the wireless power into charging power; and a charging unit receiving the charging power, wherein the charging unit comprises a battery to store the charging power and the power supply unit comprises a power detection unit identifies the charged state of the battery based on the amplified voltage and amplified current of the amplified power. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A wireless power transmission device comprising:
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a power generation unit generating supply power; a power amplification unit amplifying the supply power to output amplified power; a wireless power transmission unit electrically connected to the power amplification unit, wherein the wireless power transmission unit receives and converts the amplified power into wireless power, and externally outputs the wireless power obtained through conversion; and a power detection unit adjusting the output of the wireless power based on the variations of the amplified voltage and amplified current of the amplified power output from the power amplification unit. - View Dependent Claims (13)
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14. A wireless power transmission device comprising:
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a reference impedance circuit; a battery; a wireless power reception unit receiving external wireless power, converting received wireless power into charging power, and outputting charging power; and a charging control unit electrically connected to the wireless power reception unit, wherein the charging control unit outputs the charging power to the battery in response to a first selection signal and outputs the charging power to the reference impedance circuit in response to a second selection signal. - View Dependent Claims (15, 16)
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Specification