WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM, AND COMMUNICATION METHOD OF WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM
First Claim
1. A communication method of a wireless power transmission and charging system, the communication method comprising:
- switching from a standby mode to a detection mode in response to activation of a charging start element or a detection of a target device by a sensor;
transmitting a wake-up power and a wake-up request message to at least one target device in the detection mode;
receiving an acknowledge (ACK) message from the target device in response to the wake-up request message, and determining a number of target devices based on the ACK message;
assigning a control identifier (ID) to the target device during a charging operation, the control ID being used to identify the target device; and
transmitting a charging power to the target device to which the control ID is assigned, the charging power being used to charge the target device.
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Accused Products
Abstract
A wireless power transmission and charging system, and a communication method of the wireless power transmission and charging system are provided. According to a general aspect, a communication method of a wireless power transmission and charging system may include: switching from a standby mode to a detection mode in response to activation of a charging start element or a detection of a target device by a sensor; transmitting a wake-up power and a wake-up request message to at least one target device in the detection mode; receiving an acknowledge (ACK) message from the target device in response to the wake-up request message, and determining a number of target devices based on the ACK message; and transmitting a charging power to the target device to which the control ID is assigned.
30 Citations
20 Claims
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1. A communication method of a wireless power transmission and charging system, the communication method comprising:
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switching from a standby mode to a detection mode in response to activation of a charging start element or a detection of a target device by a sensor; transmitting a wake-up power and a wake-up request message to at least one target device in the detection mode; receiving an acknowledge (ACK) message from the target device in response to the wake-up request message, and determining a number of target devices based on the ACK message; assigning a control identifier (ID) to the target device during a charging operation, the control ID being used to identify the target device; and transmitting a charging power to the target device to which the control ID is assigned, the charging power being used to charge the target device. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A communication method of a wireless power transmission and charging system, the communication method comprising:
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switching from a detection mode to a registration mode, when a wake-up power is periodically output and when an acknowledge (ACK) message is received from at least one target device in response to the wake-up power, the wake-up power being equal to or less than a predetermined level; assigning a control identifier (ID) to the target device during a charging operation, the control ID being used to identify the target device; and transmitting a charging power to the target device to which the control ID is assigned, the charging power being used to charge the target device to which the control ID is assigned.
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8. A wireless power transmitter of a wireless power transmission and charging system, the wireless power transmitter comprising:
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a source resonator configured to transmit power to a target device; and a control/communication unit configured to switch from a standby mode to a detection mode in response to activation of a charging start element or a detection by a sensor, to transmit a wake-up request message to at least one target device in the detection mode, to receive an acknowledge (ACK) message from the target device in response to the wake-up request message, to determine a number of target devices based on the ACK message, and to assign a control identifier (ID) to the target device during a charging operation, the control ID being used to identify the target device. - View Dependent Claims (9)
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10. A wireless power transmitter of a wireless power transmission and charging system, the wireless power transmitter comprising:
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a source resonator configured to transmit power to a target device; and a control/communication unit configured to switch from a detection mode to a registration mode when a wake-up power is periodically output and when an acknowledge (ACK) message is received from at least one target device in response to the wake-up power, and to assign a control identifier (ID) to the target device during a charging operation, the control ID being used to identify the target device, and the wake-up power being equal to or less than a predetermined level. - View Dependent Claims (11)
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12. A communication method of a wireless power transmission and charging system, the communication method comprising:
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receiving a wake-up power and a wake-up request message from a source device, when the source device is switched from a standby mode to a detection mode; transmitting, to the source device, an acknowledge (ACK) message in response to the wake-up request message; receiving, from the source device, an assigned control identifier (ID), the control ID being used in a charging operation; and receiving charging power for the charging operation from the source device. - View Dependent Claims (13, 14)
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15. A communication method of a wireless power transmission and charging system, the communication method comprising:
in response to an activation of a charging start element or a detection of a target device by a sensor, transmitting charging power to the target device, the charging power being used to charge the target device. - View Dependent Claims (16)
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17. A wireless power transmitter of a wireless power transmission and charging system, the wireless power transmitter comprising:
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a charging start element, a sensor configured to detect a target device or both; and a control/communication unit configured to transmit charging power to a target device in response to activation of the charging start element, detection of the target device by the sensor, or both, the charging power being used to charge the target device. - View Dependent Claims (18, 19, 20)
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Specification