Abstract: Disclosed are a magnetic field generating apparatus and a method of generating a magnetic field using the same. A magnetic field generating apparatus according to an embodiment of the present disclosure includes a coil part configured to generate a magnetic field transmitted to the target to which wireless power is to be supplied; a first ferrite member configured to extend in the vicinity of the coil part a bar shape and penetrate an inner peripheral surface of the coil part; and a second ferrite member configured to extend in a dome shape in the vicinity of the coil part, surround the coil part, include an opening formed along the magnetic field transmission path.

Abstract: The present invention provides a busbar comprising terminals, a body connected to the terminals and includes a plurality of blades, wherein the body includes an inner body, an outer body, and connecting parts, the outer body is disposed outside the inner body, the connecting parts are arranged in a periphery of the inner body at regular intervals and connect the inner body to the outer body, the terminals are disposed in the inner body so that connection ends of the terminals are disposed between the adjacent connecting parts, the plurality of blades protrude from an upper surface of the outer body and are arranged in a circumferential direction with respect to a center of the busbar, the outer body includes a cooling hole formed to pass through from a lower surface thereof to the upper surface, and the cooling hole is disposed between adjacent blades, thereby providing an advantageous effect of reducing the number of parts to be manufactured such that manufacturing costs and manufacturing processes can be re

Abstract: The present disclosure relates to a method for diagnosing mood disorder such as mania, depression and mania mixed using a circadian rhythm. According to the diagnostic method of the present disclosure, the condition of mood disorder can be diagnosed objectively and clearly based on the advance or delay of the circadian rhythm. That is to say, hypomania, mania, depression, mixed mania, etc. may be determined quickly and adequately so that appropriate therapeutic intervention can be made. In addition, according to the diagnostic method of the present disclosure, schizophrenia which is frequently confused with severe depression or bipolar disorder can be distinguished clearly. In addition, the selection of a therapeutic drug can be benefited greatly through this.

Abstract: A method performed by a first image display apparatus includes: obtaining a 360-degree image; displaying, on a first display included in the first image display apparatus, a first image corresponding to a first area of the 360-degree image; controlling a second image display apparatus to display a second image corresponding to a second area of the 360-degree image, the second area being adjacent to the first area.

Abstract: The present invention provides a rotor assembly comprising: a rotor including a core body, and a plurality of protrusion parts coupled to the core body so as to be detachable therefrom; and an insulator including a body encompassing the protrusion parts, and blades formed to protrude from the upper and lower surfaces of the body, thereby providing an advantageous effect of reducing the number of parts to be manufactured such that manufacturing costs and manufacturing processes can be reduced.

Abstract: The present invention relates to a power supply and pickup system capable of maintaining stability of transmission efficiency despite changes in a resonant frequency. More particularly, the present invention relates to a power supply and pickup system capable of maintaining the stability of efficiency of transmitting power to a pickup device from a power supply device even when a voltage or current changes by the variation in a resonant frequency. According to the power supply and pickup system of the present invention, Q-factor of a power supply and pickup system is set to a low value, a stability of efficiency of transmitting power to a pickup device from a power supply device is maintained even when a voltage of current changes by the variation in a resonant frequency.

Abstract: The present invention relates to a power supply and pickup system capable of maintaining stability of transmission efficiency despite changes in a resonant frequency. More particularly, the present invention relates to a power supply and pickup system capable of maintaining the stability of efficiency of transmitting power to a pickup device from a power supply device even when a voltage or current changes by the variation in a resonant frequency. According to the power supply and pickup system of the present invention, Q-factor of a power supply and pickup system is set to a low value, a stability of efficiency of transmitting power to a pickup device from a power supply device is maintained even when a voltage of current changes by the variation in a resonant frequency.

Abstract: The present invention relates to a power supply and pickup system capable of maintaining stability of transmission efficiency despite changes in a resonant frequency. More particularly, the present invention relates to a power supply and pickup system capable of maintaining the stability of efficiency of transmitting power to a pickup device from a power supply device even when a voltage or current changes by the variation in a resonant frequency. According to the power supply and pickup system of the present invention, Q-factor of a power supply and pickup system is set to a low value, a stability of efficiency of transmitting power to a pickup device from a power supply device is maintained even when a voltage of current changes by the variation in a resonant frequency.

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: The present invention relates to a power supply and pickup system capable of maintaining stability of transmission efficiency despite changes in a resonant frequency. More particularly, the present invention relates to a power supply and pickup system capable of maintaining the stability of efficiency of transmitting power to a pickup device from a power supply device even when a voltage or current changes by the variation in a resonant frequency. According to the power supply and pickup system of the present invention, Q-factor of a power supply and pickup system is set to a low value, a stability of efficiency of transmitting power to a pickup device from a power supply device is maintained even when a voltage of current changes by the variation in a resonant frequency.

Abstract: Disclosed are a magnetic field generating apparatus and a method of generating a magnetic field using the same. A magnetic field generating apparatus according to an embodiment of the present disclosure includes a coil part configured to generate a magnetic field transmitted to the target to which wireless power is to be supplied; a first ferrite member configured to extend in the vicinity of the coil part a bar shape and penetrate an inner peripheral surface of the coil part; and a second ferrite member configured to extend in a dome shape in the vicinity of the coil part, surround the coil part, include an opening formed along the magnetic field transmission path.

Abstract: A wireless power transmitter includes a first resonance circuit having first resonance characteristics; a second resonance circuit having second resonance characteristics different from the first resonance characteristics; a first inverter configured to provide alternating current (AC) power to the first resonance circuit using an input direct current (DC) power; a second inverter configured to provide the AC power to the second resonance circuit using the input DC power; and a controller configured to control the first inverter and the second inverter to cause the first resonance circuit to wirelessly transmit power, and to cause the second resonance circuit to transmit an external object sensing signal while the first resonance circuit wirelessly transmits power.

Abstract: Disclosed are an apparatus and a method for controlling a vehicle using a user terminal that authenticates a user terminal using an NFC module mounted in a vehicle and controls the vehicle using communication between the NFC module and the user terminal. An apparatus for controlling a vehicle using a user terminal includes: a terminal authenticator that authenticates a user terminal using any one module of wireless communication modules mounted in a vehicle; and a vehicle controller that controls the vehicle in a fit-type in accordance with the position of the any one module when the user terminal is authenticated.

Abstract: The present invention relates to a power supply and pickup system capable of maintaining stability of transmission efficiency despite changes in a resonant frequency. More particularly, the present invention relates to a power supply and pickup system capable of maintaining the stability of efficiency of transmitting power to a pickup device from a power supply device even when a voltage or current changes by the variation in a resonant frequency. According to the power supply and pickup system of the present invention, Q-factor of a power supply and pickup system is set to a low value, a stability of efficiency of transmitting power to a pickup device from a power supply device is maintained even when a voltage of current changes by the variation in a resonant frequency.

Abstract: A valve control system may include a latch valve controlling a stream of water in a pipe; a flow rate sensor measuring a flow rate in the pipe; and a valve control device determining that the latch valve is malfunctioning if a flow rate value measured by the flow rate sensor is not within a pre-set flow rate value range corresponding to a valve operation and controlling the latch valve to re-operate in the occurrence of the malfunction, wherein the valve control device may include a first timing device determining the number of re-operations of the latch valve, and wherein when the number of re-operations of the latch valve determined by the first timing device exceeds a pre-set number, the valve control device may control the latch valve to perform a reverse operation of the operation performed during the re-operations.

Abstract: The present invention provides a rotor assembly comprising: a rotor including a core body, and a plurality of protrusion parts coupled to the core body so as to be detachable therefrom; and an insulator including a body encompassing the protrusion parts, and blades formed to protrude from the upper and lower surfaces of the body, thereby providing an advantageous effect of reducing the number of parts to be manufactured such that manufacturing costs and manufacturing processes can be reduced.

Abstract: Disclosed are a three-phase wireless power transfer (WPT) system and three-phase wireless rechargeable unmanned aerial vehicle (UAV) system based on the same. Three power receiving coils, including resonators, are installed at the ends of three landing leg of the UAV. A three-phase power converter installed in the UAV receives the three-phase AC induction current induced in three power receiving coils, including resonators, converting the three-phase AC induction current into a DC current to be charged in a battery. A three-phase power wireless charging apparatus wirelessly transfers three-phase power from three power transmitting coils to the three power receiving coils of the UAV when the three landing legs land on three coil seating units provided on a charging platform. A magnetic flux leakage shielding coil may be provided to prevent magnetic flux leakage from approaching the UAV. The power transfer efficiency is excellent, and electromagnetic interference can be also reduced.

Abstract: Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly mounted in a battery case together with an electrolyte, a protection circuit module (PCM) having a protection circuit for controlling overcharge, overdischarge, and overcurrent of the battery cell, an insulative mounting member mounted to a top cap of the battery cell, and an insulative cap coupled to the upper end of the battery cell, wherein the top cap is provided with at least one protrusion-type electrode terminal, and the top cap is provided at a partial region where the protrusion-type electrode terminal is not formed with a space (depression space) depressed downward by a predetermined depth.

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: Disclosed are a three-phase wireless power transfer (WPT) system and three-phase wireless rechargeable unmanned aerial vehicle (UAV) system based on the same. Three power receiving coils, including resonators, are installed at the ends of three landing leg of the UAV. A three-phase power converter installed in the UAV receives the three-phase AC induction current induced in three power receiving coils, including resonators, converting the three-phase AC induction current into a DC current to be charged in a battery. A three-phase power wireless charging apparatus wirelessly transfers three-phase power from three power transmitting coils to the three power receiving coils of the UAV when the three landing legs land on three coil seating units provided on a charging platform. A magnetic flux leakage shielding coil may be provided to prevent magnetic flux leakage from approaching the UAV. The power transfer efficiency is excellent, and electromagnetic interference can be also reduced.