Abstract: The present disclosure relates to a switching antenna for UWB communication for a vehicle. The switching antenna may include a substrate part, a radiation part formed in the substrate part and configured to radiate an omnidirectional pattern signal, a main ground part formed in the substrate part and disposed below the radiation part, side ground parts formed on the substrate part and disposed on both sides of the radiation part, and a selection signal part formed in the substrate part and configured to induce a radiation pattern of the radiation part to become either directional or omnidirectional by selectively connecting the main ground part and the side ground part.

Abstract: Proposed is a switching antenna for vehicular UWB communication, the switching antenna including a substrate, a directional radiation unit formed on the substrate and configured to provide a directional radiation signal, a non-directional radiation unit formed on the substrate and configured to provide a non-directional radiation signal, and a signal providing unit formed on the substrate and configured to provide an on or off signal to either the directional radiation unit or the non-directional radiation unit.

Abstract: A refrigerator includes a storage chamber having an opening; a drawer type door to open or close the opening; a display positioned at the drawer type door; a first connector provided at a sidewall of the storage chamber; a second connector provided at the drawer type door and being electrically connected to the display; a first frame coupled to an inner wall of the storage chamber, the first frame to cover the first connector; a second frame coupled to the drawer type door, the second frame to support a storage box; and a wire electrically connected between the first connector and the second connector. The first frame has a first accommodating part to accommodate one portion of the wire and the second frame has a second accommodating part to accommodate another portion of the wire.

Abstract: A method for estimating locomotion in virtual reality performed by at least one processor includes measuring a plurality of pressure points according to a user's locomotion using a high-resolution tactile sensor including a plurality of pressure sensors, extracting a plurality of footprint images including the plurality of measured pressure points, clustering the plurality of pressure points into a first set of pressure points corresponding to a left foot and a second set of pressure points corresponding to a right foot, based on the plurality of extracted footprint images, and estimating at least a portion of a locomotion direction and a locomotion speed of the user using a first cluster corresponding to the first set of pressure points and a second cluster corresponding to the second set of pressure points.

Abstract: A power supply method and apparatus for dual power load includes a low voltage direct current-direct current converter (LDC) configured to convert a voltage of a high-voltage battery to supply power, a first low-voltage battery configured to be charged by receiving the power from the LDC and to supply power to a general load or a dual power load, a second low-voltage battery configured to be charged by receiving the power from the LDC and to supply power to the dual power load, a first relay disposed between the LDC and the first low-voltage battery, a second relay disposed between the LDC and the second low-voltage battery, a first battery sensor configured to measure a voltage of the first low-voltage battery, and a second battery sensor configured to measure a voltage of the second low-voltage battery.

Abstract: A power supply device includes: a low-voltage direct current-direct current converter (LDC) to convert a voltage of a high-voltage battery to supply power; a first low-voltage battery to be charged by receiving power from the LDC and supply power to a general load; a bidirectional converter to convert a voltage supplied from the LDC and control a charge amount of a second low-voltage battery; the second low-voltage battery to be charged by receiving power from the bidirectional converter and supply power to a dual power source load; a first relay disposed between the LDC and the first low-voltage battery; a second relay disposed between the bidirectional converter and the second low-voltage battery; a second battery sensor to measure a voltage of the second low-voltage battery; and a control unit to control the bidirectional converter.

Abstract: Discussed is a protection circuit module that may include a printed circuit board configured to be connected to a positive lead part and a negative lead part connected to a battery cell, wherein the printed circuit board includes an upper layer bonded to the positive lead part and the negative lead part so as to be electrically connected; an intermediate layer including a first insulating layer including a material containing an epoxy resin and provided below the upper layer; and a laser reflective layer provided between the upper layer and the first insulating layer and reflecting light from a laser.

Abstract: The present invention relates to a piston acupressure device for a spinal massage and provides an acupressure operation in an accurate position by ensuring firmly the ascending/descending operation of the piston which ascends/descends by expansion and contraction of the airbag and the movement phenomenon in the forward direction can be prevented during the ascending operation of the piston, damage, noise, and vibration caused by friction caused by parts interference caused by the unbalanced piston can be prevented in advance. Therefore, the durability for the product is increased and the reliability of the operation is ensured.

Abstract: A negative electrode includes a lithium-alkaline earth metal alloy, and can be used in a lithium-sulfur battery. Furthermore, a method to obtain said negative electrode, and a lithium-sulfur battery containing the negative electrode.

Abstract: Disclosed is a method of preparing sodium-catalyzed iron-aluminum inorganic catalyst for catalyzing a hydrogenation reaction of carbon dioxide. The method of preparing sodium-catalyzed iron-aluminum inorganic catalyst includes: a first step of mixing a precipitant solution formed by dissolving a basic precipitant with a reaction solution formed by dissolving an iron (Fe) precursor material and an aluminum (Al) precursor material, thereby forming a suspension solution; a second step of aging the suspension solution; a third step of separating powder from the aged suspension solution; a fourth step of drying the separated powder and then performing a first heat treatment, thereby forming first catalyst powder; and a fifth step of adding and stirring the first catalyst powder and a sodium precursor material to water and evaporating the water and then performing a second heat treatment, thereby preparing a sodium-introduced iron-aluminum inorganic catalyst.

Abstract: A negative electrode includes a lithium-lanthanum alloy. The negative electrode can be applied to a negative electrode for a lithium-sulfur battery. The lithium-sulfur battery including the alloy negative electrode has improved life characteristics and improved electrochemical efficiency.

Abstract: A transmitter is provided. The transmitter includes: a Low Density Parity Check (LDPC) encoder configured to encode input bits to generate an LDPC codeword including the input bits and parity bits to be transmitted in a current frame; a parity permutator configured to perform by group-wise interleaving a plurality of bit groups configuring the parity bits based on a group-wise interleaving pattern comprising a first pattern and a second pattern; a puncturer configured to puncture some of the parity-permutated parity bits; and an additional parity generator configured to select at least some of the punctured parity bits to generate additional parity bits to be transmitted in a previous frame of the current frame, based on the first pattern and the second pattern.

Abstract: The present disclosure provides a composition for preparing a vinyl chloride-based polymer, including a vinyl chloride-based first seed; a vinyl chloride-based second seed; an initiator composition including a water-soluble initiator and an oil-soluble initiator; a reducing agent; and a vinyl chloride-based monomer, wherein a metal catalyst is not included in the composition, and a method for preparing a vinyl chloride-based polymer using the same.

Abstract: A hair dye dispenser according to an embodiment of the present invention includes a housing having an opening hole formed on one side of which a hair dye is provided, a plurality of cartridges disposed inside the housing and accommodating at least one dyeing material, a main body in which the plurality of cartridges are rotatably disposed, a main motor for rotating the main body so that a first cartridge of the plurality of cartridges is located adjacent to the opening hole, a discharge module for discharging the dyeing material contained in the first cartridge, and an accommodating body in which a basket accommodating the dyeing material discharged by the discharge module is placed, wherein the discharge module may include an elevating body that pressurizes the first cartridge when moving up and is separated from the first cartridge when moving down.

Abstract: Provided is an eco-friendly cosmetic container including: a lower container having a cosmetic material accommodation dish seating portion; an upper container open and closed with respect to the lower container by means of a hinge coupling structure; a cosmetic material accommodation dish seated onto the cosmetic material accommodation dish seating portion; and an intermediate support adapted to be rotatingly locked onto the lower container and released from the locked state over a given region thereof onto and from the lower container to separably fix the cosmetic material accommodation dish to the lower container.

Abstract: A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.

Abstract: A tip applicator is provided. The tip applicator according to one embodiment captures and applies a cosmetic on skin, and includes an application portion including an application surface for capturing and applying the cosmetic on a skin of a user, the application surface being formed in a surface of the application portion; a support portion which is connected to one side of the application portion to support the application portion; and a capture amount control portion which is formed on the application surface and changes a capture amount of the cosmetic captured by the application surface.

Abstract: A transmitting apparatus and a receiving apparatus are provided. The transmitting apparatus includes: an encoder configured to generate a low density parity check (LDPC) codeword by performing LDPC encoding; an interleaver configured to interleave the LDPC codeword; and a modulator configured to modulate the interleaved LDPC codeword according to a modulation method to generate a modulation symbol. The interleaver is formed of a plurality of columns each including a plurality of rows and includes a block interleaver configured to divide each of the plurality of columns into a first part and a second part and interleave the LDPC codeword, the number of rows constituting each column divided into the first part is determined differently depending upon the modulation method, wherein the number of rows constituting each column divided into the second part is determined depending upon the number of rows constituting each column divided into the first part.

Abstract: A display device includes a display panel, a lens array disposed on a first surface of the display panel and including a plurality of lenses, and an optical filter disposed on the first surface of the display panel. The optical filter includes a plurality of first portions and a plurality of second portions which are alternately arranged in a first direction parallel to the first surface of the display panel. Each of the plurality of first portions has a first transmittance value. Each of the plurality of second portions has a symmetric light transmittance distribution in which a transmittance value increases from the center having a second transmittance value to each of opposite ends having a third transmittance value.

Abstract: An automated gas supply system includes a gas cylinder transfer unit configured to transfer a cradle in which one or more gas cylinders storing a gas therein are stored; a gas cylinder inspection unit configured to check properties of the gas stored in the gas cylinder transferred from the gas cylinder transfer unit and check whether the gas leaks from the gas cylinder; a storage queue configured to receive the gas cylinder from the gas cylinder inspection unit by a mobile robot and configured to classify and store the transferred gas cylinders according to the properties of the gas stored in the gas cylinder; and a gas cabinet configured to receive the gas cylinder from the storage queue by the mobile robot and fasten a gas pipe, which is connected to a semiconductor manufacturing process line, to a gas spray nozzle, which is disposed at one side of the received gas cylinder, to supply the gas stored in the gas cylinder to the semiconductor manufacturing process line, wherein the gas cabinet includes a resid