Abstract: Disclosed is a dual heating type ultrasonic bonding apparatus including a stage, a part seating jig disposed on the stage, and an ultrasonic bonding unit disposed to correspond to the part seating jig and that bonds dissimilar parts seated on the part seating jig. The stage includes a first heater that transfers heat to the dissimilar parts through the part seating jig, and the ultrasonic bonding unit includes an ultrasonic horn that applies ultrasonic waves to the dissimilar parts, and a second heater coupled to the ultrasonic horn, and that transfers heat to the dissimilar parts through the ultrasonic horn.

Abstract: Disclosed is a coil module that receives or transmits electric power or signals wireless by using an electromagnetic field, the coil module including a board, a coil provided on at least one surface of the board to be rotated in one direction, and a magnetic part covering at least a portion of the coil while directly contacting a surface of the coil, and that acts as an electromagnetic booster that enhances an intensity of the electromagnetic field generated on the surface of the coil, and the magnetic part decrease, among a skin effect and a proximity effect of an eddy current generated in the coil, the proximity effect by isolating electric power in a gap of the coil that is rotated in the one direction.

Abstract: Disclosed is a wireless power transmitting apparatus including a power transmitting coil generating an induced electromotive force on a power receiving coil of a terminal, a magnet casing composed of a first space in a cylinder shape where the power transmitting coil is inserted, and a second space sharing a central axis of the cylinder with the first space, wherein the second space is a space between the first space and a cylinder having a diameter greater than a diameter of the cylinder of the first space, a ring magnet disposed in the second space of the magnet casing in a shape of a ring, wherein the ring magnet has a height smaller than a height of the magnet casing, and is movable in a vertical direction of the magnet casing by external magnetism, and a cover constructed in a direction perpendicular to an axis of the power transmitting coil.

Abstract: Disclosed is a method of manufacturing a coil module that receives or transmits electric power or signals wireless by using an electromagnetic field. The method includes preparing a substrate, forming a coil on the substrate, and forming a magnetic part covering at least a portion of the coil while directly contacting a surface of the coil, and that acts as an electromagnetic booster that enhances an intensity of the electromagnetic field generated on the surface of the coil, and the magnetic part is formed through at least one of electroless plating, electro-plating, deposition, and printing.

Abstract: A coil assembly includes: a connection substrate including a coil pad and an accommodating portion disposed in a position adjacent to the coil pad; and a coil portion including a spiral wiring and an end portion bonded to the coil pad, wherein at least a portion of the coil portion is disposed in the accommodating portion.

Abstract: Disclosed is a coil module that receives or transmits electric power or signals wireless by using an electromagnetic field, the coil module including a substrate, a coil provided on at least one surface of the substrate to be rotated in one direction, and a magnetic part covering at least a portion of the coil while directly contacting a surface of the coil, and that acts an electromagnetic booster that enhances an intensity of the electromagnetic field generated on the surface of the coil, and the magnetic part decrease, among a skin effect and a proximity effect of an eddy current generated in the coil, the proximity effect by isolating electric power in a gap of the coil that is rotated in the one direction.

Abstract: Disclosed is a wireless power transmitting apparatus including a power transmitting coil generating an induced electromotive force on a power receiving coil of a terminal, a magnet casing composed of a first space in a cylinder shape where the power transmitting coil is inserted, and a second space sharing a central axis of the cylinder with the first space, wherein the second space is a space between the first space and a cylinder having a diameter greater than a diameter of the cylinder of the first space, a ring magnet disposed in the second space of the magnet casing in a shape of a ring, wherein the ring magnet has a height smaller than a height of the magnet casing, and is movable in a vertical direction of the magnet casing by external magnetism, and a cover constructed in a direction perpendicular to an axis of the power transmitting coil.

Abstract: In order to reduce inspection tact time in centralized management of a plurality of inspection lines, the system includes: a plurality of inspection lines 4 each having a visual appearance inspection device 3; a first database 5A for storing a captured image captured by each of the visual appearance inspection device 3; and a centralized control device 6 connected to each of the visual appearance inspection devices 3 and the first database 5A, having a display unit 32 that displays an inspection image of an inspection object 7, and enabling visual inspection of the inspection object 7 conveyed on each of the inspection lines 4 in a centralized manner; wherein, while one of the inspection lines 4 is inspected by using the centralized control device 6, the visual appearance inspection devices 3 of the other inspection lines 4 pre-captures the inspection object 7 conveyed on the inspection line 4 under predetermined capturing conditions and stores the pre-captured image in the first database 5A, and wherein the

Abstract: A wireless power module includes a coil layer including a coil including a curved area, a wiring board disposed on the coil layer, and a plurality of conductive lines disposed on the wiring board. At least a portion of the conductive lines crosses the curved area within a predetermined angle range when viewed in a plane.

Abstract: A double loop antenna includes a source loop comprising: a spiral-shaped conductive source coil pattern disposed on a top surface of a board, and a source capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and a bottom surface of the board; and a resonance loop comprising: a spiral-shaped conductive resonance coil pattern disposed on the bottom surface of the board, and a resonance capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and the bottom surface of the board, wherein the source coil pattern and the resonance coil pattern are formed on different surfaces of the board.

Abstract: A wireless power receiving device includes a first resonance circuit configured to have a first resonance frequency; a second resonance circuit configured to have a second resonance frequency lower than the first resonance frequency; and a rectifying circuit connected to the first resonance circuit and the second resonance circuit without a switch and configured to rectify power received through the first resonance circuit and the second resonance circuit.

Abstract: A chip antenna includes a coil; and a core including a body portion around which the coil is wound and supporting portions disposed on both sides of the body portion, wherein the core includes a second groove formed in the supporting portions and accommodating an end portion of the coil.

Abstract: A wireless power transmitter includes: a power supply configured to supply a driving power; a first power transmitter including first bridge switching elements forming a first bridge circuit, and configured to receive the driving power to transmit a first power, wherein a magnitude of a first input voltage applied to the first bridge circuit is determined by a duty of at least one of the first bridge switching elements; a second power transmitter including second bridge switching elements forming a second bridge circuit, and configured to receive the driving power to transmit a second power, wherein a magnitude of a second input voltage applied to the second bridge circuit is determined by a duty of at least one of the second bridge switching elements; and a controller configured to output first and second power transmitting control signals respectively controlling the first bridge switching elements and the second bridge switching elements.

Abstract: A wireless power transmitter includes a converter comprising at least one switching element, and configured to generate boosted input power; a resonator and a controller. The resonator is configured to receive the boosted input power as an alternating current (AC) power, and transmit a ping signal in a detection mode for determining whether any one or both of an external object approaching and a type of the external object. The controller is configured to control the switching element, and gradually increase a duty cycle of a gate signal provided to the switching element, in the detection mode.

Abstract: A wireless communications antenna includes: a magnetic body including one or more slits formed therein; and a coil part having solenoid form and disposed around the magnetic body, wherein the one or more slits are configured such that the magnetic body is not disconnected and a magnetic path of the magnetic body is continuous.

Abstract: A wireless power transmitter having a data transmission and reception capability is disclosed. The wireless power transmitter includes a main coil to transmit power, an inverter to apply an alternating current (AC) signal to the main coil, a communication module to output a transmission signal including transmission data to be wirelessly transmitted the wireless power transmitter, and/or receive a reception signal including received data wirelessly received by the wireless power transmitter, a first connecting circuitry to prevent a power signal of the main coil from being input to the communication module, and the auxiliary coil to connect to the main coil and connected to the first connecting circuitry. The main coil or the auxiliary coil may be configured to transmit the transmission data and receive the reception signal, and the auxiliary coil may be wiredly connected to the main coil or not wiredly connected to the main coil.

Abstract: An antenna module includes: a coil part including an antenna wiring disposed on an insulating substrate; a first magnetic part disposed on a first surface of the insulating substrate; and a second magnetic part disposed on a second surface of the insulating substrate, wherein the first magnetic part and the second magnetic part overlap with each other on a center region of the antenna wiring.

Abstract: A wireless power transmission apparatus includes: an alternating current (AC) power output to convert input power into AC power and output the AC power; and a power transmitter including a plurality of resonators. The power transmitter receives the AC power and wirelessly transmits the AC power in a first operating mode in which two of the resonators are connected in series and the two resonators transmit the AC power, and in a second operating mode in which one of the resonators transmits the AC power.

Abstract: A wireless power transmitter includes: a first power transmitting unit including first switching elements forming a first bridge circuit, and configured to receive input DC voltage and transmit a first power by switching operations of the first switching elements; and a second power transmitting unit including second switching elements forming a second bridge circuit, and configured to receive the input DC voltage and transmit second power by switching operations of the second switching elements. The first power transmitting unit steps-up the input DC voltage according to a duty ratio of one or more of the first switching elements, and applies the stepped-up input DC voltage to the first bridge circuit. The second power transmitting unit steps-up or steps-down the input DC voltage according to a duty ratio of one or more of the second switching elements, and applies the stepped-up or stepped-down input DC voltage to the second bridge circuit.

Abstract: A power transmitter includes: a first resonator configured to wirelessly supply power to a power receiver and having an impedance that changes in response to a foreign material being proximate to the power transmitter; a second resonator having an impedance that changes in response to the foreign material being proximate to the power receiver; and controller configured to select either one of the first resonator and the second resonator in response to a wireless charging control, and to determine whether the foreign material is proximate to the power transmitter, based on a change in the impedance of the selected one of the first resonator and the second resonator.