WIRELESS POWER SYSTEM AND RESONANT FREQUENCY CHANGING METHOD THEREOF
First Claim
1. A wireless power receiver comprising:
- a power receiving unit having a receiving side resonant circuit provided with at least one inductor and at least one capacitor, and configured to receive a wireless power signal, the wireless power signal being generated based on a resonance phenomenon between the receiving side resonant circuit and a transmitting side resonant circuit of a wireless power transmitter; and
a power reception control unit configured to control the power receiving unit to change a connection between the at least one inductor and the at least one capacitor so as to change a resonant frequency corresponding to the wireless power signal.
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Accused Products
Abstract
This specification provides a wireless power system capable of changing a resonant frequency and a resonant frequency changing method thereof. To this end, a wireless power receiver according to one exemplary embodiment includes a power receiving unit having a receiving side resonant circuit provided with at least one inductor and at least one capacitor, and configured to receive a wireless power signal, the wireless power signal being generated based on a resonance phenomenon between the receiving side resonant circuit and a transmitting side resonant circuit of a wireless power transmitter, and a power reception control unit configured to control the power receiving unit to change a connection between the at least one inductor and the at least one capacitor so as to change a resonant frequency corresponding to the wireless power signal.
85 Citations
22 Claims
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1. A wireless power receiver comprising:
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a power receiving unit having a receiving side resonant circuit provided with at least one inductor and at least one capacitor, and configured to receive a wireless power signal, the wireless power signal being generated based on a resonance phenomenon between the receiving side resonant circuit and a transmitting side resonant circuit of a wireless power transmitter; and a power reception control unit configured to control the power receiving unit to change a connection between the at least one inductor and the at least one capacitor so as to change a resonant frequency corresponding to the wireless power signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A wireless power transmitter comprising:
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a power conversion unit having a transmitting side resonant circuit provided with at least on inductor and at least one capacitor, and configured to generate a wireless power signal based on a resonance phenomenon between the transmitting side resonant circuit and a receiving side resonant circuit of a wireless power receiver; and a power transmission control unit configured to change a connection between the at least one inductor and the at least one capacitor so as to change a resonant frequency corresponding to the wireless power signal. - View Dependent Claims (18, 19)
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20. A method for changing a resonant frequency in a wireless power receiver having a receiving side resonant circuit provided with at least one inductor and at least one capacitor, the method comprising:
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receiving a wireless power signal generated based on a resonance phenomenon between the receiving side resonant circuit and a transmitting side resonant circuit of a wireless power transmitter; and changing a connection between the at least one inductor and the at least one capacitor to change a resonant frequency corresponding to the wireless power signal. - View Dependent Claims (21, 22)
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Specification