Abstract: A solenoid valve includes: a valve housing having, at one end thereof, an inlet port through which a fluid is introduced and having, at the other end thereof, an outlet port through which the fluid is discharged; a solenoid provided in the valve housing and disposed between the inlet port and the outlet port; a first plunger provided at one end of the solenoid adjacent to the inlet port and configured to selectively open or close the inlet port by being rectilinearly moved by the solenoid; a first spring member configured to provide elastic force to allow the first plunger to move in a direction in which the first plunger closes the inlet port; a second plunger provided at the other end of the solenoid adjacent to the outlet port and configured to selectively open or close the outlet port by being rectilinearly moved by the solenoid in a direction opposite to the movement direction of the first plunger; and a second spring member configured to provide elastic force to allow the second plunger to move in a dir

Abstract: The present invention relates to a satellite antenna integrated time-synchronization device for generating a time-synchronization signal from a satellite signal received from a satellite, which includes a case, a 1PPS synchronization module which is disposed in the case and is configured to generate at least a 1PPS signal from the satellite signal, and a signal processing means which is disposed in the case and is configured to generate an IRIG signal and communication data using the 1PPS signal input from the 1PPS synchronization module.

Abstract: Provided are a pharmaceutical composition for preventing or treating diabetes and a method of preventing or treating diabetes in a subject by using the pharmaceutical composition, the pharmaceutical composition including a ginger extract, as an active ingredient, obtained by microwave irradiation, under pressure, of ginger, an extract thereof, or a combination thereof.

Abstract: The present invention relates to a method for producing a diene-based graft copolymer resin, and a diene-based graft copolymer resin produced therefrom, the method including: mixing an aromatic vinyl-based monomer, a diene-based rubber polymer, and a polymerization initiator to prepare a first reactant; mixing a vinyl cyan-based monomer and an antioxidant to prepare a second reactant; adding and polymerizing the first reactant and the second reactant into a polymerization reactor to prepare a polymer; and removing unreacted monomers in a devolatilization tank.

Abstract: A grain-oriented electrical steel sheet includes a groove formed on a surface and a solidified alloy layer formed under the groove, wherein the solidified alloy layer includes particles of a certain average diameter.

Abstract: The present invention relates to a hole saw that is mounted on an electric drill to cut a hole formed on a flat plate such as a ceiling, and more particularly, to a hole saw with hole enlargement guide and support pieces detachable therefrom that is capable of cutting a hole with a larger size (diameter) than a hole already cut in a ceiling.

Abstract: A multilayer capacitor includes a body including a multilayer structure in which a plurality of dielectric layers are stacked, and further including a plurality of internal electrodes having a dielectric layer interposed therebetween and external electrodes disposed on external surfaces of the body and connected to the internal electrodes. The body further includes an active portion in which the plurality of internal electrodes are located to form capacitance and a side margin portion covering a first surface and a second surface of the active portion opposing each other. An average grain size of a dielectric layer included in the active portion is different from an average grain size of a dielectric layer included in the margin portion. The side margin portion includes an extending portion extending between the external electrodes and the internal electrodes to cover a portion of the internal electrodes.

Abstract: A flexible printed circuit board includes: a substrate; and a circuit pattern disposed on the substrate, wherein the substrate includes a chip mounting region, and the circuit pattern includes a wiring portion and a pad portion, wherein the circuit pattern includes: a first circuit pattern including a first-first pad portion disposed inside the chip mounting region, a first-second pad portion disposed outside the chip mounting region, and a first wiring portion that connects the first-first pad portion and the first-second pad portion, and extending in a first direction based on the chip mounting region; a second circuit pattern including a second-first pad portion disposed inside the chip mounting region, a second-second pad portion disposed outside the chip mounting region, and a second wiring portion that connects the second-first pad portion and the second-second pad portion, and extending in a second direction; and a third circuit pattern including a plurality of third pad portions disposed inside the ch

Abstract: A method for refining magnetic domains of a grain-oriented electrical steel sheet according to an exemplary embodiment of the present invention includes: a step of preparing a grain-oriented electrical steel sheet; and a step of forming a groove by irradiating a quasi-continuous laser beam of which a duty is from 98.0 to 99.9% on a surface of the grain-oriented electrical steel sheet.

Abstract: A phase mixing circuit includes a first driver comprising 2n inverters configured to drive a first clock signal, where n is a positive integer, and a first selection circuit configured to couple each of the 2n inverters of the first driver to a first mixing node, on the basis of a weight having first to 2nth bits. The phase mixing circuit also includes a second driver comprising 2n inverters configured to drive a second dock signal and a second selection circuit configured to couple each of the 2n inverters of the second driver to the first mixing node, on the basis of an inverted signal of the weight.

Abstract: A capacitor component includes a body having a stacked portion in which first internal electrodes and second internal electrodes are alternately stacked with each other and with dielectric layers therebetween in a first direction, and having first and second connection portions disposed on opposite surfaces of the stacked portion, respectively, in a second direction perpendicular to the first direction. First and second external electrodes are disposed on the first and second connection portions, respectively. The first and second connection portions each include a metal layer disposed on the stacked portion and a ceramic layer disposed on the metal layer. Corners of the body have a rounded shape in a cross-section of the body extending in the first and second directions.

Abstract: An embodiment of a camera module may comprise: a lens part; a front body receiving the lens part; a rear body coupled to the front body; a substrate part received inside the rear body and comprising a plurality of printed circuit boards; a cable electrically connected to the substrate part; a connector part connecting the cable with the substrate part; and a first shielding part, made of a conductive material and disposed at a rear side of the connector part, for shielding electromagnetic noise generated from the substrate part or the outside.

Abstract: A display device includes: a first electrode; a second electrode overlapping the first electrode; a light emission layer disposed between the first electrode and the second electrode; a partition wall overlapping a portion of the first electrode; and an inorganic layer disposed between the partition wall and the first electrode, wherein the inorganic layer covers an end of the first electrode.

Abstract: A solenoid valve including: a valve housing; a solenoid; a first plunger configured to be selectively moved rectilinearly by the solenoid; a first valve member connected to the first plunger and configured to selectively open or close a first outlet flow path in accordance with the movement of the first plunger; a first spring member configured to provide elastic force to move the first valve member to close the first outlet flow path; a second plunger provided to be rectilinearly movable in the first plunger and configured to be selectively moved rectilinearly by the solenoid; a second valve member connected to the second plunger and configured to selectively open or close a second outlet flow path in accordance with the movement of the second plunger; and a second spring member configured to provide elastic force to move the second valve member to close the second outlet flow path.

Abstract: A multilayer capacitor includes: a capacitor body formed by placing two or more stacked units in a row in a stacking direction of dielectric layers, each stacked unit including a plurality of dielectric layers, and a plurality of first and second internal electrodes alternately disposed with the dielectric layers interposed therebetween; and first and second external electrodes disposed on the capacitor body to be electrically connected to the first and second internal electrodes, respectively, and, in the capacitor body, adjacent stacked units are disposed to allow surfaces with similar density to be adjacent to each other.

Abstract: A signal generation circuit includes a first delay circuit, a second delay circuit, and a duty control circuit. The first delay circuit delays a first input signal to generate a first output signal. The second delay circuit delays a second input signal to generate a second output signal. The duty control circuit compares phases of the first and second output signals and changes the value of the second delay control signal, and then decreases the times, by which the first and second input signals are delayed, by the same value.

Abstract: A thermoplastic resin composition of the present invention includes 65 to 85% by weight of a heat-resistant copolymer (A) containing 76 to 92% by weight of a (meth)acrylic acid alkyl ester compound, 1 to 8% by weight of an N-substituted maleimide compound, and 5 to 16% by weight of an aromatic vinyl compound; 10 to 30% by weight of an acrylate-based rubber-aromatic vinyl compound-vinyl cyanide compound graft copolymer (B) containing acrylate-based rubber having an average particle diameter of 50 to 200 nm; and 1 to 15% by weight of an acrylate-based rubber-aromatic vinyl compound-vinyl cyanide compound graft copolymer (C) containing acrylate-based rubber having an average particle diameter of 300 to 600 nm. In this case, in the heat-resistant copolymer (A), the weight ratio of the aromatic vinyl compound to the N-substituted maleimide compound is 1.5 to 8.

Abstract: The present invention relates to a speaker driver and an operation method thereof and includes an amp part configured to output a pulse voltage, in which an input signal is amplified on the basis of a supply voltage, to drive a capacitive speaker that generates sound by a driving voltage so that the driving voltage formed by filtering the pulse voltage is applied to the capacitive speaker, and a controller configured to adjust a magnitude of an input audio signal in a high frequency range and transmit the input audio signal to the amp part as the input signal to limit an overcurrent applied to the capacitive speaker by the driving voltage having a high frequency.

Abstract: Disclosed is a composition for ameliorating, preventing or treating an autoimmune skin disease, containing a Musan box (Sphallerocarpus gracilis) extract or a fraction thereof as an active ingredient.

Abstract: Disclosed is a composition for ameliorating, preventing or treating an autoimmune skin disease, containing a Thalictrum (Thalictrum squarrosum steph) extract or a fraction thereof as an active ingredient.