Abstract: An apparatus for interchanging welding tips of a spot welding gun. The apparatus replaces a welding tip installed in a robot arm and includes welding tip removal componentry combined with the robot arm, welding tip mounting structure combined with one side of the welding tip removal componentry, and a welding tip supply spaced apart from the welding gun at a specific distance and configured to supply a welding tip to the welding tip mounting componentry.

Abstract: A push switch of an outside handle of a door having a button installed inside a grip cover, wherein the button is attached to the inner surface of the grip cover through a support extending from a side of the button, and a tact switch pressed when the button is pushed.

Abstract: A wireless power transmission method includes searching for one or more routes to be used to transmit power to a reception resonator through one or more relay resonators, and converting the routes to respective one or more two-port networks. The method further includes calculating a transmission efficiency of each of the routes based on the two-port networks, and selecting a route with a highest transmission efficiency from the routes. The method further includes wirelessly transmitting power to the reception resonator through the selected route.

Abstract: Provided is an apparatus that may control a direction of wireless power transmission. A radiative wireless power transmitter may include at least two first unit resonators to form a magnetic field with a target resonator based on an x-axis direction and a z-axis direction, and to transmit a resonance power to the target resonator, at least two second unit resonators to form a magnetic field with the target resonator based on the x-axis direction and a y-axis direction, and to transmit a resonance power to the target resonator, at least two third unit resonators to form a magnetic field with the target resonator based on the y-axis direction and the z-axis direction, and to transmit a resonance power to the target resonator, and a feeding unit to control resonance power transmission of the at least two first unit resonators, the at least two second unit resonators, and the at least two third unit resonators.

Abstract: An apparatus for generating extreme ultraviolet light includes a droplet generator which provides a droplet to react with light from a light source to generate extreme ultraviolet light, a droplet collector which collects the droplet, and a droplet detector which includes a plurality of pressure sensors, the pressure sensors detect a position of the droplet provided to the droplet collecting unit.

Abstract: In a method of forming an oxide layer of a semiconductor process, a preliminary precursor flow is provided on a substrate in a deposition chamber to form a preliminary precursor layer, a precursor flow and a first oxidizing agent flow are provided on the preliminary precursor layer alternately and repeatedly to form precursor layers and first oxidizing agent layers alternately stacked on the preliminary precursor layer, and a second oxidizing agent flow is provided on the precursor layer or the first oxidizing agent layer alternately stacked to form a second oxidizing agent layer.

Abstract: An apparatus for clamping a door trim of a vehicle may include a plurality of clamping portions that are installed on a door trim side and include hooks caught by a door panel side while rotating by tension of a wire, a locking portion that is installed on the door trim side and pulls the wire using a rotating pulley, and the wire that is in a closed loop form between the hooks of the plurality of the clamping portions and the pulley of the locking portion and rotates the hooks while being pulled by the rotation of the pulley.

Abstract: Provided is a two-step method of producing a compound of chemical formula 1 in the presence of an alcohol solvent and a Group 3B metal catalyst or a salt thereof, comprising a first step comprising alkylation or isomerization of an aldohexose-containing substrate to obtain an intermediate, and a second step comprising dehydration of the intermediate to produce a compound of chemical formula 1. Preferably, additional solvent and/or catalyst are not added in the second step.

Abstract: Provided is a stepless variable auto stroke hydraulic breaker system capable of reducing impact energy reflected in the event of an idle blow by detecting a frequency of vibrations generated when a chisel breaks objects such as bedrocks using a vibration sensor, operating according to a short stroke if the frequency of vibrations does not exceed a preset frequency, and automatically switching the short stroke into a long stroke if the frequency of vibrations exceeds the preset frequency. The breaker system includes a vibration sensor configured to detect vibrations generated when a chisel breaks rocks, a transmitter provided with the vibration sensor and configured to transmit signals generated from the vibration sensor, a receiver configured to receive the signals transmitted from the transmitter, and a stepless variable auto stroke hydraulic breaker controlled by a reception micro controller unit (MCU) of the receiver.

Abstract: An apparatus for generating extreme ultraviolet light includes a droplet generator which provides a droplet to react with light from a light source to generate extreme ultraviolet light, a droplet collector which collects the droplet, and a droplet detector which includes a plurality of pressure sensors, the pressure sensors detect a position of the droplet provided to the droplet collecting unit.

Abstract: A user terminal device includes a display, a communicator configured to perform communication with a digital signage device and a processor configured to control the display to display user interface (UI) screens for managing a content to be displayed on the digital signage device and schedules sequentially, configured to combine information input from each of the UI screens displayed sequentially and configured to transmit the combined information to the digital signage device.

Abstract: A source resonator for wirelessly transmitting power to a target device may include a magnetic field distribution adjusting unit that is configured to adjust the magnetic field generated by the source resonator. In one or more embodiments, the magnetic field distribution adjusting unit may adjust the magnetic field to be substantially uniform in a predetermined vicinity of the source resonator. For example, the magnetic field distribution adjusting unit may adjust the intensity of the magnetic field near the center of the source resonator to be substantially the same as the intensity of the magnetic field near an edge area of the source resonator.

Abstract: An antenna for a radar detector according to the present invention comprises: a power supply unit; first and second branches branched from the power supply unit; a first band patch antenna connected to the first branch and having first band properties; a second band patch antenna connected to the second branch and having second band properties; a second band stub placed between the power supply unit and the first band patch antenna on the first branch; and a first band stub placed between the power supply unit and the second band patch antenna on the second branch. The antenna for the radar detector according to the present invention may match one power supply unit without damaging the properties of a plurality of antennas that have different frequency properties.

Abstract: Provided is a combustion pretreatment-isotope dilution mass spectrometry measuring concentration of a target element for detection contained in a target sample for detection by using an isotope dilution mass spectrometry, including: pretreating the target sample for detection by combustion during an isotope dilution mass spectrometry, to thereby stabilize an isotope and further improve analysis ability, and therefore, the present invention is expected to be utilized as an element analysis method surpassing accuracy of the existing mass spectrometry method.

Abstract: A push switch of an outside handle of a door comprises a button installed inside a grip cover, wherein the button is attached to the inner surface of the grip cover through a support extending from a side of the button, and a tact switch pressed when the button is pushed.

Abstract: The present invention relates to a composition for, inter alia, preventing or treating a climacteric disease, or preventing or improving a climacteric skin symptom comprising a soybean extract comprising coumestrol as an active ingredient, and more specifically relates to a composition for, inter alia, preventing or treating a climacteric disease, or preventing or improving a climacteric skin symptom comprising a germinated and fermented soybean extract comprising coumestrol as an active ingredient.

Abstract: A wireless power transmission system and a multi-mode resonator in the wireless power transmission system are provided. The multi-mode resonator includes a transmission line portion including unit-cells, the unit-cells including respective ends connected to each other, and each of the unit-cells including a capacitor, an inductor connected in parallel to the capacitor, and a via. The multi-mode resonator further includes a ground conducting portion configured to provide an electrical ground to the transmission line portion through the via of each of the unit-cells.

Abstract: An apparatus for clamping a door trim of a vehicle may include a plurality of clamping portions that are installed on a door trim side and include hooks caught by a door panel side while rotating by tension of a wire, a locking portion that is installed on the door trim side and pulls the wire using a rotating pulley, and the wire that is in a closed loop form between the hooks of the plurality of the clamping portions and the pulley of the locking portion and rotates the hooks while being pulled by the rotation of the pulley.

Abstract: Provided is a combustion pretreatment-isotope dilution mass spectrometry measuring concentration of a target element for detection contained in a target sample for detection by using an isotope dilution mass spectrometry, including: pretreating the target sample for detection by combustion during an isotope dilution mass spectrometry, to thereby stabilize an isotope and further improve analysis ability, and therefore, the present invention is expected to be utilized as an element analysis method surpassing accuracy of the existing mass spectrometry method.

Abstract: A device for converting a flat pouch into a tetrahedral pouch in a rotary packaging machine including: grippers having gripper jaws and gripper rollers; a rotary shaft; and a barrel cam combined with the rotary shaft and reciprocating for a duration as long as one process of the grippers, with a cam portion provided on an upper part of the barrel cam to control the space between the gripper jaws; the device including: an arm unit combined with the rotary shaft and performing repeated reciprocation for a duration as long as one process of the rotary packaging machine; a rotary unit mounted to the arm unit; and a pouch clamping unit combined with the rotary unit to be rotated by the rotary unit, the pouch clamping unit clamping opposite sides of the mouth of the pouch while opening the mouth of the pouch inside the pouch.