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: Methods and apparatuses are provided for controlling a wireless power transmitter. First power for charging a first wireless power receiver is transmitted. Demand power information of a second wireless power receiver is received. The demand power information includes a maximum power for the second wireless power receiver. A controller identifies whether the wireless power transmitter is capable of providing the maximum power. A power adjustment command is transmitted to the second wireless power receiver, if the wireless power transmitter is not capable of providing the maximum power. The power adjustment command requests to reduce a magnitude of power to be received by the second wireless power receiver to a level within a range that the wireless power transmitter is capable of supporting. Second power for charging the first wireless power receiver and the second wireless power receiver is transmitted based on at least the reduced magnitude of power.

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: Provided is a frailty diagnosis method including: setting, by a processor, a setting value for measuring a walking speed according to positions of at least two measuring devices; detecting, by the at least two measuring devices, a movement of a frailty diagnosis-target person; measuring, by the processor, a walking speed of the frailty diagnosis-target person based on the movement of the frailty diagnosis-target person according to the setting value; and determining, by the processor, a frailty index of the frailty diagnosis-target person based on the measured walking speed.

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 for providing interaction information, such as, for example, settlement information, by which a device provides the settlement information to a counterpart device, includes displaying an image which relates to an item to be used for performing the interaction, such as, for example, a credit card image of a credit card of a user of the device, on a lock screen of the device, and receiving a touch input from the user with respect to the credit card image. In the method, settlement information which corresponds to the touched credit card image is used for performing a settlement via the device.

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: Methods and apparatuses are provided for controlling power transmission in a power transmitter. Voltage information including a minimum voltage, a maximum voltage, and a first voltage, is received from each of a plurality of power receivers. Power is transmitted to the plurality of power receivers based on the voltage information. A respective report about a power reception condition is received from each of the plurality of power receivers while transmitting the power. Each respective report includes a measured voltage at a corresponding power receiver of the plurality of power receivers. A power receiver is selected from among the plurality of power receivers based on the received reports. An amount of the power is adjusted by reducing a difference between a first voltage of the selected power receiver and a measured voltage of the selected power receiver.

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: Disclosed is a security-enhanced wireless communication apparatus including: a memory divided into a plurality of security partitions; a security accelerator configured to provide a plurality of security algorithms; and a processor configured to controlling a plurality of security element adaptors, which provides security system call Application Programming Interfaces (APIs) respectively linked with independent security service applications, and a virtual machine, which enforces security policies with respect to the security system call APIs and provides an authority to use the security accelerator or an authority to access a corresponding security partition according to a corresponding security policy. Accordingly, a security solution specialized in multipurpose services may be provided using the virtual machine.

Abstract: Disclosed is a method for photographing a panoramic image including the steps of recognizing movement of a corresponding photographing apparatus by comparing a current real-time input image with a previous image through a motion estimation mechanism with exposure compensation, determining a time to photograph each next picture by determining whether movement in a photography direction reaches a preset threshold value, and photographing each next picture by manual or automatic operation at the determined time.

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 for controlling a wireless power transmitter and a wireless power transmitter are provided. The method includes applying a detection power for detecting a change in a load impedance of the wireless power transmitter; detecting the change in the load impedance of the wireless power transmitter; receiving, from a wireless power receiver, a first signal within a preset time period after detecting the change in the load impedance; determining whether a reception intensity of the first signal is greater than a threshold; and based on determining that the reception intensity of the first signal is less than or equal to the threshold, stopping a communication with the wireless power receiver.

Abstract: A control method and control apparatus for determining a relative location of a mobile terminal with respect to a display apparatus by using short range wireless communication. A method of controlling a display apparatus including a plurality of short range wireless communication modules, the method includes: performing short range wireless communication with a mobile terminal through a short range wireless communication module included in the display apparatus; identifying the short range wireless communication module performing the short range wireless communication with the mobile terminal from among the plurality of short range wireless communication modules; determining a relative location of the mobile terminal with respect to the display apparatus according to the result of identifying; and determining a location on a screen of the display apparatus to display data according to the relative location and displaying the data on the screen of the display apparatus according to the determined location.

Abstract: Disclosed is a secondary battery including a positive electrode, a negative electrode and an electrolyte, wherein the secondary battery further includes a reaction-inducing substance located in any one of the positive electrode, the negative electrode and the electrolyte, wherein the reaction-inducing substance forms a reaction product when exposed to a predetermined temperature or higher in a use environment of the secondary battery, wherein the reaction product is a non-conductor.

Abstract: Disclosed are a secondary battery, an active material, a method for preparing the same, and a lithium secondary battery including the same. In an embodiment, provided is a secondary battery including a positive electrode, a negative electrode and an electrolyte, wherein the secondary battery further includes a reaction-inducing substance located in any one of the positive electrode, the negative electrode and the electrolyte, wherein the reaction-inducing substance forms a reaction product by consuming thermal energy when exposed to a predetermined temperature or higher in a use environment of the secondary battery, thereby improving thermal safety of the secondary battery.

Abstract: Methods and apparatuses are provided for controlling power transmission in a power transmitter. Voltage information including a minimum voltage, a maximum voltage, and a first voltage, is received from each of a plurality of power receivers. Power is transmitted to the plurality of power receivers based on the voltage information. A respective report about a power reception condition is received from each of the plurality of power receivers while transmitting the power. Each respective report includes a measured voltage at a corresponding power receiver of the plurality of power receivers. A power receiver is selected from among the plurality of power receivers based on the received reports. An amount of the power is adjusted by reducing a difference between a first voltage of the selected power receiver and a measured voltage of the selected power receiver.