Abstract: An operation method of a wireless power receiver supporting an electromagnetic resonance mode and an electromagnetic induction mode according to an embodiment of the present invention may comprise the steps of: determining whether switching of a power transmission mode is necessary during wireless charging according to an electromagnetic induction mode; when switching of the power transmission mode is necessary, requesting a wireless power transmitter to switch the power transmission mode, by using extended charging termination information; and receiving power in a power transmission mode determined according to whether a connection has been established with the wireless power transmitter according to the electromagnetic resonance mode.

Abstract: The present invention relates to a method and an apparatus for switching a wireless power transmission mode.

Abstract: The present invention relates to a foreign object (FO) detection method for wireless charging, and a device and a system therefor. The FO detection method on a wireless power transmitter, according to one embodiment of the present invention, may comprise the steps of: receiving a second packet comprising a second reference quality factor value; determining a threshold by using the second reference quality factor value; measuring the current quality factor value; and detecting an FO on the basis of the threshold and the current quality factor value. Thus, the present invention has the advantage of enabling an FO to be more effectively detected.

Abstract: The present invention relates to a wireless power control method and a device therefor, and according to one embodiment of the present invention, a wireless power control method of a wireless power transmitter capable of wirelessly charging a plurality of wireless power receivers simultaneously can comprise the steps of: selecting a dominant receiver on the basis of state information received from the plurality of wireless power receivers; controlling power for the dominant receiver; and selecting a new dominant receiver on the basis of a power reception state change of the dominant receiver according to the power control.

Abstract: An apparatus and a method for providing an adaptive multimedia service in a mobile communication system are provided. The method of providing a multimedia service includes collecting user-preference-aware information, device-capability-aware information, and network-aware information, generating a packet according to a correlation among the user-preference-aware information, the device-capability-aware information, and the network-aware information, and providing a multimedia service according to the generated packet.

Abstract: A fingerprint sensing device includes a sensing circuit configured to extract sensing data from nodes included in each of sampling regions of a sensor array. The fingerprint sensing device also includes a control circuit configured to calculate a number of the nodes based on the extracted sensing data to produce sensing data distributions for each of the sampling regions and compare the sensing data distributions with reference distributions, configured to determine that the sampling regions from which the sensing data distributions corresponding to the reference distributions are extracted are effective contact regions, and configured to generate fingerprint information from the sensor array when the number of effective contact regions is greater than or equal to a threshold.

Abstract: Disclosed are a method of managing power using a wireless charging system, and an apparatus and system therefor. The wireless power management method in a wireless power transmitter for supplying power to at least one user device including a wireless power receiver installed therein includes receiving first to nth state information items corresponding to the at least one user device, respectively, calculating first statistical information based on the first to nth state information items, and transmitting the first statistical information to a server connected via a network. Accordingly, an effective wireless power management method in a wireless charging system is provided.

Abstract: An apparatus and a method for providing an adaptive multimedia service in a mobile communication system are provided. The method of providing a multimedia service includes collecting user-preference-aware information, device-capability-aware information, and network-aware information, generating a packet according to a correlation among the user-preference-aware information, the device-capability-aware information, and the network-aware information, and providing a multimedia service according to the generated packet.

Abstract: The present invention provides a wireless power transmitting device comprising: a power transmission unit which transmits a wireless power signal to a subject being charged; a feedback reception unit which receives a feedback signal transferred from the subject being charged, and controls the power transmission unit; and a cooling unit which is positioned on the periphery of the power transmission unit, and absorbs heat.

Abstract: The present invention relates to a wireless charging technology and, more particularly, to a wireless power transmitter and a vehicle control unit connected thereto, which can check information on a wireless charging operation using an in-vehicle system when the wireless charging operation is performed within a vehicle. A vehicle control unit according to an embodiment of the present invention may be connected to at least one of a wireless power transmitter and a wireless power receiver which perform a wireless charging operation, and may display a message corresponding to status of charge information generated on the basis of status detection information associated with the wireless charging operation. Therefore, a variety of information associated with a wireless charging operation is output through the vehicle control unit, so that a user can more safely and quickly recognize and cope with various changes in the status of charge, which may occur in a vehicle driving environment.

Abstract: The present invention provides a wireless power transmitting device comprising: a power transmission unit for transmitting a wireless power signal to a subject being charged; a feedback reception unit for receiving a feedback signal transferred from the subject being charged; a decoding unit for decoding the feedback signal; and an encoding unit for encoding the decoded signal into a format for short-range communication.

Abstract: A fingerprint sensing device includes a board having a sensor array, a sub-board disposed on a bottom surface of the board, a circuit element disposed on the bottom surface of the board, and a through hole disposed through the sub-board, wherein the circuit element is further disposed in the through hole. A thickness of the sub-board is substantially similar to a thickness of the circuit element.

Abstract: A touch input sensing apparatus includes a driver configured to output a signal to sensing electrodes, a sensor configured to sense a touch input from the sensing electrodes, and a reference signal generator configured to output a first clock signal to the driver and output a second clock signal to the sensor. The second clock signal frequency is k times greater than a frequency of the first clock signal. The reference signal generator is configured to synchronize the first clock signal with the second clock signal to delay a phase of the second clock signal is delayed from the first clock signal between 0 degrees and 180/k degrees, wherein k is a constant greater than 1.

Abstract: There are provided a touch sensing device and a touchscreen device. The touch sensing device includes: a driving circuit applying a driving signal having a predetermined first period to a node capacitor; a buffer circuit converting capacitance of the node capacitor into a voltage signal; a buffer capacitor being charged and discharged depending on an output voltage from the buffer circuit; and an integration circuit integrating voltages charged in the buffer capacitor, wherein, in a normal touch mode, the buffer circuit integrates capacitance of the node capacitor to generate the voltage signal, and, in a proximity touch mode, the buffer circuit generates the voltage signal by following the voltages charged in the node capacitor.

Abstract: An integration circuit may include a plurality of switches, at least one operational amplifier, and at least one feedback capacitor, sequentially transfers electrical charges charged in a node capacitor to the feedback capacitor, and integrates the electrical charges. The operational amplifier may be synchronized with a clock signal applied to at least one of the plurality of switches to thereby be operated in one of a normal mode and a low power mode.

Abstract: An apparatus and method for transmitting a multimedia data packet are provided. The method includes receiving Bottom-up Network Abstraction Layer (B-NAL) information from a network entity, determining a media data quality based on the received B-NAL information and generating media data having the determined media data quality, and generating a packet including the generated media data and transmitting the packet to the network entity.

Abstract: A fingerprint sensing device includes a board having a sensor array, a sub-board disposed on a bottom surface of the board, a circuit element disposed on the bottom surface of the board, and a through hole disposed through the sub-board, wherein the circuit element is further disposed in the through hole. A thickness of the sub-board is substantially similar to a thickness of the circuit element.

Abstract: Embodiments of the invention provide an antenna module for NFC. According to at least one embodiment, the antenna module includes an antenna sheet patterned with a loop coil of a conductive metal material, a magnetic shielding sheet comprising a metal sheet, which is embedded in a magnetic sheet, and an adhesive film interposed between the antenna sheet and the magnetic shielding sheet.

Abstract: A touch input sensing apparatus includes a driver configured to output a signal to sensing electrodes, a sensor configured to sense a touch input from the sensing electrodes, and a reference signal generator configured to output a first clock signal to the driver and output a second clock signal to the sensor. The second clock signal frequency is k times greater than a frequency of the first clock signal. The reference signal generator is configured to synchronize the first clock signal with the second clock signal to delay a phase of the second clock signal is delayed from the first clock signal between 0 degrees and 180/k degrees, wherein k is a constant greater than 1.

Abstract: A touch sensing apparatus may include a driving signal generating circuit including a first switch and a second switch and providing driving signals to a first node of a node capacitor, the driving signals being generated by switching operations of the first switch and the second switch, and a C-V converting circuit including a buffer circuit having a first feedback capacitor and a third switch disposed between a second node of the node capacitor and the first feedback capacitor and transferring a charging voltage of the node capacitor to the first feedback capacitor through a switching operation of the third switch to generate an output voltage. The buffer circuit further includes a fourth switch disposed between the second node of the node capacitor and a current source, and the fourth switch is turned on in an off operation section of the third switch.