WIRELESS CHARGING APPARATUS AND METHOD
First Claim
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1. A wireless charging method comprising:
- receiving information on a required amount of power from a second wireless power receiver while supplying power to one or more first wireless power receivers;
calculating a required amount of power for all wireless power receivers including the one or more first wireless power receivers and the second wireless power receiver; and
when a maximum amount of providable power is not larger than the required amount of power for all wireless power receivers, transmitting insufficient power amount information to each of the wireless power receivers.
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Abstract
A wireless charging method includes receiving information on a required amount of power from a second wireless power receiver while supplying power to one or more first wireless power receivers; calculating required power for all wireless power receivers including the one or more first wireless power receivers and the second wireless power receiver; and when a maximum amount of providable power is not larger than the required amount of power for all wireless power receivers, transmitting insufficient power amount information to each of the wireless power receivers.
53 Citations
12 Claims
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1. A wireless charging method comprising:
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receiving information on a required amount of power from a second wireless power receiver while supplying power to one or more first wireless power receivers; calculating a required amount of power for all wireless power receivers including the one or more first wireless power receivers and the second wireless power receiver; and when a maximum amount of providable power is not larger than the required amount of power for all wireless power receivers, transmitting insufficient power amount information to each of the wireless power receivers. - View Dependent Claims (2, 3)
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4. A wireless charging method comprising:
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transmitting information on a required amount of power to a wireless power transmitter; receiving insufficient power amount information from the wireless power transmitter; and changing a charging current value by using the insufficient power amount information. - View Dependent Claims (5, 6)
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7. A wireless power transmitter comprising:
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a power transmitter configured to transmit wireless power; a communication unit configured to receive information on a required amount of power from a second wireless power receiver while transmitting power to one or more first wireless power receivers; and a controller configured to calculate a required amount of power for all wireless power receivers including the one or more first wireless power receivers and the second wireless power receiver, and control to transmit insufficient power amount information to each of the wireless power receivers when a maximum amount of providable power is not larger than the required amount of power for all wireless power receivers. - View Dependent Claims (8, 9)
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10. A wireless power receiver comprising:
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a power receiver configured to receive wireless power from a wireless power transmitter to perform charging; a communication unit configured to perform transmission/reception with the wireless power transmitter; and a controller configured to control to transmit information on a required amount of power to the wireless power transmitter, and control to change a charging current value of the wireless power receiver by using insufficient power amount information when the insufficient power amount information is received from the wireless power transmitter. - View Dependent Claims (11, 12)
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Specification