Abstract:
A power providing device according to an embodiment of the present disclosure comprises a charger configured to adjust at least one of a voltage and a current of power provided from a power supplying source and to provide the adjusted power to an electronic device and a processor configured to receive, from the electronic device, at least one of identification information of the electronic device and information related to a battery of the electronic device, and to control the charger to adjust at least one of the voltage and the current of the power using at least one of the identification information about the electronic device and the information related to the battery of the electronic device.
Abstract:
An electronic device and method for wirelessly receiving power are provided. The electronic device includes a wired power interface; a power receiving circuit; and a control circuit configured to control the power receiving circuit to wirelessly receive power from a wireless power transmitting device; and provide the received power to an external electronic device through the wired power interface.
Abstract:
An electronic device and method are provided for wirelessly receiving power. The electronic device includes a first core including a first portion extending in a first direction and a second portion extending in a second direction different from the first direction, a first coil wound around the first portion and extending in the first direction, a second coil wound around the second portion and extending in the second direction, and a power processing circuit configured to process power wirelessly received, from a wireless power transmitter, through at least one of the first coil or the second coil.
Abstract:
Disclosed is a wireless power transmitter including a power transmitting circuit, a communication circuit and a control circuit configured to perform control to wirelessly transmit a first magnitude of power for operating an electronic device through the power transmitting circuit, obtain an operation performing command enabling the electronic device to perform a first operation, increase a magnitude of the power from the first magnitude to a second magnitude based on the operation performing command, and transmit, after increasing the magnitude of the power, a first communication signal enabling the first operation to be performed through the communication circuit to the electronic device.
Abstract:
An actuator using an electro-active polymer is provided. The actuator includes a vibration plate fixed to an electronic device; at least one electro-active polymer attached to the vibration plate, and activated when electric voltage is applied thereto; and at least one mass joined to at least one a combination member disposed on the vibration plate.
Abstract:
An electronic device and method are provided for wirelessly receiving power. The electronic device includes a first core including a first portion extending in a first direction and a second portion extending in a second direction different from the first direction, a first coil wound around the first portion and extending in the first direction, a second coil wound around the second portion and extending in the second direction, and a power processing circuit configured to process power wirelessly received, from a wireless power transmitter, through at least one of the first coil or the second coil.
Abstract:
The present invention relates to an electronic device and a method for controlling a charging operation of a battery. The charging control method includes charging a battery using a first charging mode, if a current voltage of the charged battery coincides with a predetermined voltage, decreasing an intensity level of a charging current and charging the battery using the decreased charging current intensity, and if the decreased charging current intensity coincides with a predetermined current intensity, converting from the first charging mode to a second charging mode and charging the battery using the second charging mode.
Abstract:
A sealing apparatus of a touch panel provided in a portable terminal including a body and the touch panel, wherein the sealing apparatus is attached and coupled to a coupling area between the body and the touch panel to seal the coupling area while the touch panel is suspended over the body by a resilient member.
Abstract:
A coordinate indicating device which inputs coordinates to a coordinate measuring device is provided. The coordinate indicating device includes a power receiver for wirelessly receiving drive power from the coordinate measuring device, a rectifier for rectifying the wirelessly received drive power into Direct Current (DC) drive power, a battery for storing the rectified drive power, an actuator for outputting at least one of preset vibration, frictional force, and electrostatic force, based on relative positions of the coordinate measuring device and the coordinate indicating device by using the rectified drive power provided from the battery, a coordinate indicator for indicating coordinates at predetermined coordinates on the coordinate measuring device, and a shielding portion for shielding the coordinate indicator.
Abstract:
A wireless power transmitter is provided. The wireless power transmitter includes a power source configured to provide direct current (DC) power, an inverter configured to receive the DC power from the power source, invert the DC power into alternating current (AC) power, and output the AC power, a coil configured to generate a magnetic field based on an input of the AC power, a sensor configured to measure a voltage of the AC power output from the inverter and a current of the AC power output from the inverter, and at least one processor configured to identify an external voltage applied to a load of an electronic device based on the voltage of the AC power and the current of the AC power, wherein the electronic device is configured to be wirelessly charged using the magnetic field.