Abstract: A wireless power transmitter and a method for operating the wireless power transmitter are provided, which transmit charging power to a wireless power receiver. A control signal is provided that includes time information and load change information, and a load change of the wireless power receiver is detected during a period of time corresponding to the first time information. If the detected load change of the wireless power receiver corresponds to the load change information included in the control signal, a determination is made that the wireless power receiver is admitted for charging.

Abstract: An apparatus and method are provided for permitting a wireless power receiver to be charged by a wireless power transmitter. The method includes generating a Power Receiving Unit (PRU) control signal including permission information indicating charging permission for the wireless power receiver; and transmitting the PRU control signal to the wireless power receiver.

Abstract: A method for transmitting wireless power in a wireless charging system and a wireless power transmitting unit (PTU) and provided. The method for transmitting wireless power in a wireless charging system includes receiving information related to a voltage from each of a plurality of power receiving units (PRUs); identifying a voltage ratio of each of the plurality of PRUs based on the received information, wherein the voltage ratio is a current voltage relative to a first voltage; determining a PRU among the plurality of PRUs based on the identified voltage ratio; and adjusting transmission power according to a voltage setting value of the determined PRU.

Abstract: A method and power transmitter for efficiently controlling power transmission to one or more power receivers in a wireless multi-power transmission system are provided. The method includes performing, when a predetermined measurement cycle arrives, a load measurement; comparing a current load measurement value with a previous load measurement value; determining whether the current load measurement value is increased over the previous load measurement value by at least as much as a first predetermined threshold; gradually increasing, when the load measurement value is increased over the previous load measurement value by at least as much as the first threshold, a transmission power value until a request for a subscription to a wireless multi-power transmission network from a power reception target within a predetermined time limit; and stopping, when the request for the subscription is not received before the time limit is exceeded, power transmission to the power reception target.

Abstract: According to an embodiment a wireless power transmitting device, includes a power transmission antenna including patch antennas to wirelessly transmit power, and communication antennas configured to receive a communication signal from an electronic device. The wireless power transmitting device also includes a processor configured to detect a direction in which the electronic device is positioned based on the communication signal received through the communication antennas and control the power transmission antenna to transmit the power in the detected direction.

Abstract: A control method of a wireless power transmitter and a wireless power transmitter. The method includes transmitting a first power with a first cycle; transmitting a second power with a second cycle, wherein the second cycle is greater than the first cycle; when a wireless power receiver is placed within a charging area and is detected by the first power, upon detecting the wireless power receiver by the first power, transmitting a third power to drive the wireless power receiver to transmit a search signal to the wireless power transmitter; and when the wireless power receiver is placed within the charging area and is not detected by the first power, using the second power to detect the wireless power receiver and drive the wireless power receiver to transmit the search signal to the wireless power transmitter.

Abstract: A method and power transmitter for efficiently controlling power transmission to one or more power receivers in a wireless multi-power transmission system are provided. The method includes performing, when a predetermined measurement cycle arrives, a load measurement; comparing a current load measurement value with a previous load measurement value; determining whether the current load measurement value is increased over the previous load measurement value by at least as much as a first predetermined threshold; gradually increasing, when the load measurement value is increased over the previous load measurement value by at least as much as the first threshold, a transmission power value until a request for a subscription to a wireless multi-power transmission network from a power reception target within a predetermined time limit; and stopping, when the request for the subscription is not received before the time limit is exceeded, power transmission to the power reception target.

Abstract: A method of transmitting a signal by a wireless power transmitter in a wireless charging system, wireless power transmitter, and a wireless power receiver are provided.

Abstract: The present invention relates to a novel antibody or an antigen binding fragment thereof that specifically binds to a human hepatocyte growth factor receptor (c-Met), and a composition for preventing or treating cancer, wherein the antibody shows an excellent cancer cell proliferation inhibitory activity and a remarkably excellent anticancer activity even by a little amount thereof, thus effectively preventing or treating cancer.

Abstract: Methods and apparatuses for performing wireless charging are disclosed. A method of controlling a wireless power receiver includes receiving, through a power receiving circuit, a first power from a wireless power transmitter when the wireless power receiver is powered off; driving a communication controller using the received first power; establishing, by the communication controller, a communication connection with the wireless power transmitter, using a first communication stack stored in a first memory, while receiving the first power; and performing, by the communication controller, communication with the wireless power transmitter.

Abstract: A method and apparatus are provided for operating a wireless power transmitter. The method includes controlling the wireless power transmitter to wirelessly transmit power for charging a first power receiver, and while transmitting the power, receiving a search signal from a second power receiver, transmitting a search response signal corresponding to the search signal, and receiving, from the second power receiver, a request join signal including at least one piece of information associated with a power requirement of the second power receiver. Based on identifying that the wireless power transmitter is capable of providing the power having an amount greater than the power requirement of the second power receiver, the method further includes transmitting a charge start command to the second power receiver.

Abstract: Disclosed is a control method of a wireless power transmitter, including transmitting power to a plurality of wireless power receivers based on a first power value required by a first wireless power receiver from among the plurality of wireless power receivers, selecting, before reaching a threshold condition in which a system error occurs in the wireless power transmitter, a second wireless power receiver from among the plurality of wireless power receivers, and in response to the second wireless power receiver being selected, transmitting power to the plurality of wireless power receivers based on a second power value required by the second wireless power receiver, wherein the system error comprises at least one of an over-temperature error, an over-current error, and an over-voltage error.

Abstract: A method and an apparatus are provided for determining a cross connection during wireless charging. The method includes transmitting a first power to a plurality of wireless power receivers, based on first voltage setting information of a first wireless power receiver from among the plurality of wireless power receivers; determining to identify whether the wireless power transmitter is cross-connected with a second wireless power receiver from among the plurality of wireless power receivers; receiving second voltage setting information from the second wireless power receiver, while transmitting the first power to the plurality of wireless power receivers; transmitting a second power the plurality of wireless power receivers based on the second voltage setting information of the second wireless power receiver; and receiving measured voltage information from the second wireless power receiver, while transmitting the second power to the plurality of wireless power receivers.

Abstract: Disclosed is a control method of a wireless power transmitter, including transmitting power to a plurality of wireless power receivers based on a first power value required by a first wireless power receiver from among the plurality of wireless power receivers, and before reaching a threshold condition in which a system error occurs in the wireless power transmitter, transmitting a power adjust command to reduce the power to a lower percentage of a maximum received power level, to at least one wireless power receiver from among the plurality of wireless power receivers, wherein the power adjust command is a control command for reducing power consumption of the at least one wireless power receiver from among the plurality of wireless power receivers, and wherein the system error comprises at least one of an over-temperature error, an over-current error, and an over-voltage error.

Abstract: A method and apparatus for controlling a wireless power transmitter configured to transmit power to a wireless power receiver is provided. The method includes receiving a first signal from the wireless power receiver, wherein the first signal comprises load detection indication bits, detecting a change in load of the wireless power transmitter caused by placement of the wireless power receiver in a charging area of the wireless power transmitter, based on the load detection indication bits, and determining whether to transmit a second signal to the wireless power receiver based on detecting the change in load of the wireless power transmitter.

Abstract: A method and apparatus are provided for determining, by a wireless power transmitter, whether a wireless power receiver is removed from a wireless power network managed by the wireless power transmitter. The method includes transmitting a command signal to report power information of the wireless power receiver at stated periods; determining whether a report signal corresponding to the command signal is received from the wireless power receiver; and determining that the wireless power receiver is removed from the wireless power network, if the report signal is not received after transmitting the command signal a predetermined number of times at the stated periods.

Abstract: A method and power transmitter for efficiently controlling power transmission to one or more power receivers in a wireless multi-power transmission system are provided. The method includes performing, when a predetermined measurement cycle arrives, a load measurement; comparing a current load measurement value with a previous load measurement value; determining whether the current load measurement value is increased over the previous load measurement value by at least as much as a first predetermined threshold; gradually increasing, when the load measurement value is increased over the previous load measurement value by at least as much as the first threshold, a transmission power value until a request for a subscription to a wireless multi-power transmission network from a power reception target within a predetermined time limit; and stopping, when the request for the subscription is not received before the time limit is exceeded, power transmission to the power reception target.

Abstract: A method of transmitting a signal by a wireless power transmitter in a wireless charging system, wireless power transmitter, and a wireless power receiver are provided.

Abstract: A method of preventing an abnormality during wireless charging is provided. The method includes transmitting wireless charging power to a plurality of wireless power receivers based on a first power value determined according to a first mode by a wireless power transmitter, determining whether the wireless power transmitter or at least one of the plurality of wireless power receivers satisfies an abnormality occurrence condition, and if the abnormality occurrence condition is satisfied, transmitting wireless charging power to the plurality of wireless power receivers based on a second power value determined according to a second mode by the wireless power transmitter.

Abstract: Disclosed is a control method for transmitting charging power to a wireless power receiver in a wireless power transmitter, including receiving an advertisement signal from a wireless power receiver, the advertisement signal including a handle value and a preset universally unique identifier (UUID), identifying a value assigned to a characteristic by adding a predetermined number to the handle value, transmitting a connection request signal to the wireless power receiver for establishing a communication connection with the wireless power receiver, in response to the advertisement signal, receiving, from the wireless power receiver, static information of the wireless power receiver over the communication connection, and transmitting, based on the static information, a control signal including permission information to the wireless power receiver.