Method and apparatus for wireless charging
First Claim
1. A wireless power supply device comprising:
- a wireless charging circuit; and
one or more processors operatively connected with the wireless charging circuit,wherein the one or more processors are configured to;
receive, from a wireless power reception device, a first signal to request wireless charging information related to the wireless power supply device using the wireless charging circuit,in response to the receiving of the first signal, transmit, through the wireless charging circuit to the wireless power reception device, information indicating at least one charging voltage that is supportable by the wireless power supply device, as at least part of the wireless charging information,receive, from the wireless power reception device, a second signal including information indicating a first charging voltage of the at least one charging voltage using the wireless charging circuit, andbased at least in part on the receiving of the second signal, provide, to the wireless power reception device, the first charging voltage through the wireless charging circuit,wherein the one or more processors are further configured to;
perform the receiving of the first signal while providing another power corresponding to a second charging voltage through the wireless charging circuit, andas at least part of the providing of the first charging voltage, change a charging voltage to be provided with respect to the wireless power reception device from the second charging voltage to the first charging voltage, and wherein the first charging voltage is greater than the second charging voltage.
1 Assignment
0 Petitions
Accused Products
Abstract
An electronic device and a method thereof, which supports fast wireless charging, are provided. The electronic device includes a wireless power circuit, and one or more processors which are functionally connected with the wireless power circuit, wherein the one or more processors are configured to execute detecting an external electronic device through the wireless power circuit, determining wireless power information corresponding to the external electronic device, determining whether the external electronic device supports a first charging power or a second charging power, at least partially based on the wireless power information, providing the first charging power to the external electronic device through the wireless power circuit, at least partially based on the determination that the external electronic device supports the first charging power, and providing the second charging power to the external electronic device through the wireless power circuit, at least partially based on the determination that the external electronic device supports the second charging power.
16 Citations
28 Claims
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1. A wireless power supply device comprising:
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a wireless charging circuit; and one or more processors operatively connected with the wireless charging circuit, wherein the one or more processors are configured to; receive, from a wireless power reception device, a first signal to request wireless charging information related to the wireless power supply device using the wireless charging circuit, in response to the receiving of the first signal, transmit, through the wireless charging circuit to the wireless power reception device, information indicating at least one charging voltage that is supportable by the wireless power supply device, as at least part of the wireless charging information, receive, from the wireless power reception device, a second signal including information indicating a first charging voltage of the at least one charging voltage using the wireless charging circuit, and based at least in part on the receiving of the second signal, provide, to the wireless power reception device, the first charging voltage through the wireless charging circuit, wherein the one or more processors are further configured to; perform the receiving of the first signal while providing another power corresponding to a second charging voltage through the wireless charging circuit, and as at least part of the providing of the first charging voltage, change a charging voltage to be provided with respect to the wireless power reception device from the second charging voltage to the first charging voltage, and wherein the first charging voltage is greater than the second charging voltage. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless power reception device comprising:
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a battery; a wireless charging circuit; and one or more processors operatively connected with the wireless charging circuit, wherein the one or more processors are configured to; transmit, to a wireless power supply device, a first signal to request wireless charging information with respect to the wireless power supply device using the wireless charging circuit, receive, from the wireless power supply device, information indicating at least one charging voltage that is supportable by the wireless power supply device using the wireless charging circuit, transmit, to the wireless power supply device, a second signal including information indicating a first charging voltage of the at least one charging voltage, based at least in part on the received information, after the transmitting of the second signal, receive, from the wireless power supply device, a power corresponding to the first charging voltage using the wireless charging circuit, charge the battery based on the received power, wherein the one or more processors are further configured to; based at least in part on a presence of the wireless power supply device, receive, from the wireless power supply device, another power corresponding to a second charging voltage, and initiate a battery charging operation using the second charging voltage before transmitting the first signal, and wherein the first charging voltage is greater than the second charging voltage. - View Dependent Claims (8, 9, 10)
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11. A method for operating a wireless power supply device, method comprising:
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receiving, from a wireless power reception device, a first signal to request wireless charging information related to the wireless power supply device using a wireless charging circuit; in response to the receiving of the first signal, transmitting, through the wireless charging circuit to the wireless power reception device, information indicating at least one charging voltage that is supportable by the wireless power supply device, as at least part of the wireless charging information; receiving, from the wireless power reception device, a second signal including information indicating a first charging voltage of the at least one charging voltage using the wireless charging circuit; based at least in part on the receiving of the second signal, providing, to the wireless power reception device, the first charging voltage through the wireless charging circuit; wherein the first signal is received while providing another power corresponding to a second charging voltage through the wireless charging circuit, wherein the providing of the first charging voltage comprises changing a charging voltage to be provided with respect to the wireless power reception device from the second charging voltage to the first charging voltage, and wherein the first charging voltage is greater than the second charging voltage. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method for operating a wireless power reception device, the method comprising:
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transmitting, to a wireless power supply device, a first signal to request wireless charging information with respect to the wireless power supply device using a wireless charging circuit; receiving, from the wireless power supply device, information indicating at least one charging voltage that is supportable by the wireless power supply device using the wireless charging circuit; transmitting, to the wireless power supply device, a second signal including information indicating a first charging voltage of the at least one charging voltage, based at least in part on the received information; after the transmitting of the second signal, receiving, from the wireless power supply device, a power corresponding to the first charging voltage using the wireless charging circuit; and charging a battery based on the received power; wherein the method further comprises; based at least in part on a presence of the wireless power supply device, receiving, from the wireless power supply device, another power corresponding to a second charging voltage, and initiating a battery charging operation using the second charging voltage before transmitting the first signal, and wherein the first charging voltage is greater than the second charging voltage. - View Dependent Claims (18, 19, 20)
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21. A wireless power supply device comprising:
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a wireless charging circuit comprising a wireless charging coil; and one or more processors operatively connected with the wireless charging circuit, wherein the one or more processors are configured to; generate a first power to wirelessly charge a wireless power reception device by providing a first charging voltage to the wireless charging coil, transmit, through the wireless charging circuit, to the wireless power reception device, information indicating a second charging voltage that is supportable by the wireless power supply device, after the transmitting of the information, receive, from the wireless power reception device, a power change request signal through the wireless charging circuit, and in response to receiving the power change request signal, generate a second power to wirelessly charge the wireless power reception device by providing the second charging voltage to the wireless charging coil, and wherein the second charging voltage is greater than the first charging voltage. - View Dependent Claims (22, 23, 24)
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25. A wireless power reception device comprising:
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a battery; a wireless charging circuit comprising a wireless charging coil; and one or more processors operatively connected with the wireless charging circuit, wherein the one or more processors are configured to; obtain, based on a first power received from a wireless power supply device through the wireless charging coil, a first charging voltage to charge the battery, receive, through the wireless charging circuit from the wireless power supply device, information indicating a second charging voltage that is supportable by the wireless power supply device, after the receiving of the information, transmit, through the wireless charging circuit to the wireless power supply device, a power change request signal, and after the transmitting of the power change request signal, obtain, based on a second power received from the wireless power supply device through the wireless charging coil, the second charging voltage to charge the battery, and wherein the second charging voltage is greater than the first charging voltage. - View Dependent Claims (26, 27, 28)
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Specification