Wireless power transmission and reception system
First Claim
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1. A wireless power transmitter comprising:
- a transmitting unit configured to transmit wireless power; and
a controller configured to;
control to detect a target device and obtain state information of the detected target device,assign a duty cycle to the detected target device, andcontrol the transmitting unit to transmit wireless power to the target device based on the duty cycle,wherein the controller is further configured to control an amount of the wireless power by adjusting the duty cycle based on the obtained state information of the detected target device.
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Abstract
A wireless power transmission method and a wireless power transmitter are provided that may selectively transmit wireless power to a plurality of target devices. According to an aspect, a wireless power transmitter may include: a detecting unit configured to detect a plurality of target devices; a controller configured to determine a plurality of resonance frequencies between a source resonator and the plurality of detected target devices and to control the plurality of resonance frequencies to transmit the power to the plurality of detected target devices; and a source resonance unit configured to transmit the power to the plurality of detected target devices.
12 Citations
20 Claims
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1. A wireless power transmitter comprising:
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a transmitting unit configured to transmit wireless power; and a controller configured to; control to detect a target device and obtain state information of the detected target device, assign a duty cycle to the detected target device, and control the transmitting unit to transmit wireless power to the target device based on the duty cycle, wherein the controller is further configured to control an amount of the wireless power by adjusting the duty cycle based on the obtained state information of the detected target device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A wireless power receiver comprising:
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a receiving unit configured to receive wireless power from a wireless power transmitter; and a communication unit configured to transmit state information to the wireless power transmitter, based on the received wireless power, wherein the receiving unit receives the wireless power during a duty cycle assigned to the wireless power receiver, and wherein an amount of the wireless power is controlled based on an adjustment of the duty cycle according to the state information. - View Dependent Claims (13, 14)
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15. A wireless power transmission method, the method comprising:
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detecting a target device; obtaining state of information of the detected target device; assigning a duty cycle to the detected target device; transmitting wireless power to the detected target device based on the duty cycle; and controlling an amount of the wireless power by adjusting the duty cycle based on the obtained state information of the detected target device. - View Dependent Claims (16, 17, 18)
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19. A wireless power reception method, the method comprising:
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receiving wireless power from a wireless power transmitter; and transmitting state information to the wireless power transmitter, based on the received wireless power, wherein the wireless power is received during a duty cycle assigned to the wireless power receiver, and wherein an amount of the wireless power is controlled based on an adjustment of the duty cycle according to the state information. - View Dependent Claims (20)
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Specification