WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER, AND METHOD OF WIRELESSLY RECEIVING POWER
First Claim
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1. A wireless power receiver wirelessly receiving power from a wireless power transmitter, the wireless power receiver comprising:
- a receiving unit receiving the power from the wireless power transmitter using resonance; and
a rectifying unit rectifying the power received therein from the receiving unit to supply the power to a load side,wherein the rectifying unit changes an output impedance of the wireless power receiver in order to change an input current of the wireless power transmitter.
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Abstract
Disclosed are a wireless power transmitter, a wireless power receiver, and a method of wirelessly receiving power. The wireless power receiver includes a receiving unit receiving the power from the wireless power transmitter using resonance, and a rectifying unit rectifying the power received therein from the receiving unit to supply the power to a load side. The rectifying unit changes an output impedance of the wireless power receiver in order to change an input current of the wireless power transmitter.
12 Citations
22 Claims
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1. A wireless power receiver wirelessly receiving power from a wireless power transmitter, the wireless power receiver comprising:
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a receiving unit receiving the power from the wireless power transmitter using resonance; and a rectifying unit rectifying the power received therein from the receiving unit to supply the power to a load side, wherein the rectifying unit changes an output impedance of the wireless power receiver in order to change an input current of the wireless power transmitter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 21, 22)
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8. A wireless power transmitter wirelessly transmitting power to a wireless power receiver, the wireless power transmitter comprises:
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a transmission unit transmitting power, which is supplied from a power source, to the wireless power receiver using resonance; and a detecting unit detecting input current of the wireless power transmitter to detect a change of an output impedance of the wireless power receiver by using the detected input current. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method of receiving power of a wireless power receiver for wirelessly receiving the power from a wireless power transmitter, the method comprising:
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determining state information of the wireless power receiver to be transmitted to the wireless power transmitter; changing an output impedance of the wireless power receiver according to the determined state information; and receiving changed power from the wireless power transmitter according to the changed output impedance. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification