Abstract:
A wireless power receiving device and a wireless power transmission apparatus are provided. The wireless power receiver may include a resonator configured to emit an electromagnetic field, a blocker configured to surround a portion of an exterior of the resonator, and a spacer disposed between the resonator and the blocker.
Abstract:
A wireless charging station, an electric vehicle charged wirelessly, and a method of charging an electric vehicle are provided. A wireless charging station include a charging unit configured to transmit power wirelessly to an electric vehicle, using a source resonator installed in the charging station; and a driving unit configured to move a target resonator connected to the source resonator from a position at which the target resonator is mounted on the charging unit to an installation space of the electric vehicle, when the electric vehicle is disposed in a charging area of the charging station.
Abstract:
A wireless power transmission apparatus includes a resonance unit including resonators and configured to form a magnetic resonant coupling with another resonator, and a feeding unit configured to transmit alternating current (AC) power to one of the resonators. The wireless power transmission apparatus further includes a controller configured to determine a value of a capacitor connected to one of the resonators, based on a magnitude of a magnetic field formed by the resonance unit.
Abstract:
Lighting control systems and a method of control the same are provided. For example, the lighting control system includes at least one lighting device transmitting and receiving a wireless communication signal and controlled by a received wireless communication signal, a lighting device authentication code including unique identification information assigned to the lighting device, and a user terminal having an image recognition unit, the user terminal configured to recognize the lighting device authentication code using the image recognition unit, extract the unique identification information from the lighting device authentication code recognized by the image recognition unit, pair the user terminal with the lighting device based on the extracted unique identification information, and control the at least one lighting device.
Abstract:
A wireless power transmission apparatus includes resonators configured to transmit a power wirelessly to another resonator, and a controller configured to control a current magnitude and/or a voltage magnitude of a power to be provided to each of the resonators. The apparatus further includes a feeder configured to provide the power to each of the resonators.
Abstract:
A method for adaptive battery charging and an apparatus therefor are disclosed. The present disclosure relates to a battery system for electronic devices and more particularly to the rate of charging of batteries in electronic devices. The method and apparatus are directed to dynamically determining the charging rate of a battery of an electronic device, based on factors such as user profile, usage, age of battery, etc. The method discloses determining at least one charging rate for a battery, determining at least one model representing an effect of degradation of the battery and a charging time for at least one charging mechanism, determining charging profiles over a cycle life of the battery based on the at least one model, and applying the charging profiles to the battery.
Abstract:
An apparatus and method of using near field communication (NFC) and wireless power transmission (WPT) are provided. A power receiving apparatus includes a resonator configured to receive a power and to output the power. The power receiving apparatus further includes a near field communication (NFC) receiver configured to perform wireless communication using the power output by the resonator. The power receiving apparatus further includes a wireless power transmission (WPT) receiver configured to supply a voltage using the power output by the resonator. The power receiving apparatus further includes a connecting unit configured to selectively connect the resonator to either the NFC receiver or the WPT receiver. The power receiving apparatus further includes a mode selector configured to control the connecting unit to selectively connect the resonator to either the NFC receiver or the WPT receiver based on the power output by the resonator.
Abstract:
An electronic device and method for transmitting and receiving a wireless power are provided. An electronic device for transmitting and receiving wireless power may include a resonator configured to operate, based on a plurality of operating modes of the electronic device including a power reception mode, a relay mode, and a power transmission mode, wherein: (i) in the power reception mode, the resonator is configured to receive power from a wireless power transmitter, (ii) in the relay mode, the resonator is configured to relay power received from the wireless power transmitter to a wireless power receiver, and (iii) in the power transmission mode, the resonator is configured to transmit power to the wireless power receiver; and a path controller configured to control at least one electrical pathway of electronic device based on the operating mode.
Abstract:
An apparatus and method of using near field communication (NFC) and wireless power transmission (WPT) are provided. A power receiving apparatus includes a resonator configured to receive a power and to output the power. The power receiving apparatus further includes a near field communication (NFC) receiver configured to perform wireless communication using the power output by the resonator. The power receiving apparatus further includes a wireless power transmission (WPT) receiver configured to supply a voltage using the power output by the resonator. The power receiving apparatus further includes a connecting unit configured to selectively connect the resonator to either the NFC receiver or the WPT receiver. The power receiving apparatus further includes a mode selector configured to control the connecting unit to selectively connect the resonator to either the NFC receiver or the WPT receiver based on the power output by the resonator.
Abstract:
An apparatus configured to transmit power, and transceive data, using mutual resonance, includes a power transmitter configured to wirelessly transmit power to a device, using a power transmission frequency as a resonant frequency. The apparatus further includes a communication unit configured to transceive data to and from the device, using a communication frequency as a resonant frequency. The apparatus further includes a controller configured to determine a charging state of the device based on the data received from the device, and control an amount of the power based on the charging state.