APPARATUS AND METHOD FOR WIRELESS CHARGING
First Claim
Patent Images
1. A wireless charging apparatus, comprising:
- an antenna that receives electrical waves;
at least two charging power generators that generate charging power for charging a battery using the electrical waves received through the antenna; and
a controller that senses a frequency of the electrical waves received through the antenna and that activates one of the at least two charging power generators according to a sensed result.
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Abstract
A wireless charging apparatus is provided. The wireless charging apparatus includes: an antenna that receives electrical waves; at least two charging power generators that generate charging power for charging a battery using the electrical waves received through the antenna; and a controller that senses a frequency of the electrical waves received through the antenna and that activates one of the at least two charging power generators according to a sensed result.
265 Citations
20 Claims
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1. A wireless charging apparatus, comprising:
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an antenna that receives electrical waves; at least two charging power generators that generate charging power for charging a battery using the electrical waves received through the antenna; and a controller that senses a frequency of the electrical waves received through the antenna and that activates one of the at least two charging power generators according to a sensed result. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A wireless charging apparatus, comprising:
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an antenna that receives electrical waves; an impedance matching unit that performs impedance matching of the electrical waves received through the antenna with an impedance value; a charging power generator that generates charging power for charging a battery using electrical waves output from the impedance matching unit; and a controller that senses a frequency band of the electrical waves received through the antenna and that adjusts the impedance value according to a sensed result. - View Dependent Claims (16, 17, 18, 19)
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20. A wireless charging method, comprising:
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receiving electrical waves through an antenna; determining whether a frequency of the received electrical waves corresponds to one of a first frequency band and a second frequency band lower than the first frequency band; and activating, according to a determined result, one of a first charging power generator that generates charging power for charging a battery using electrical waves of the first frequency band and a second charging power generator that generates the charging power using electrical waves of the second frequency band.
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Specification