Abstract: An embodiment heat pump system for a vehicle includes an air conditioner unit and a chiller. The air conditioner unit includes a compressor, first through third heat-exchangers, a first expansion valve, and an evaporator interconnected by a refrigerant line for circulating a refrigerant through the refrigerant line, and the chiller is connected to the refrigerant line through a first connection line for adjusting a temperature of a coolant by heat-exchanging the refrigerant with the coolant. The air conditioner unit further includes a second expansion valve on the first connection line upstream of the chiller, a first valve on the refrigerant line between the first and second heat-exchangers, a third expansion valve on the refrigerant line between the first valve and the second heat-exchanger, a second valve on the refrigerant line between the evaporator and the compressor, and a fourth expansion valve on a second connection line.

Abstract: A flame-retardant polyester decorative sheet according to one embodiment of the present invention comprises: a core layer comprising a polyester resin and a polyphosphonate; and a skin layer, which is positioned on at least one surface of the core layer and contains a polyester resin and a polyphosphonate, wherein the content of a color master batch in the skin layer is greater than that in the core layer, thereby solving a discoloration problem caused by a fire retardant agent while satisfying Flame Retardant Performance Standards of Notification No. 2019-2 of the National Fire Agency, and thus a flame-retardant polyester decorative sheet, which has a color tone deviation equal to that of a conventional decorative sheet product using no fire retardant agent, can be provided.

Abstract: The present invention relates to a massage device including: a leg connection frame; a first leg massage part connected to the leg connection frame in a rotatable manner and accommodating one leg of a user; a second leg massage part connected to the leg connection frame to be spaced apart from the first leg massage part, provided to be rotated independently from the first leg massage part, and accommodating the other leg of the user; a center support bracket provided on the leg connection frame, rotatably supporting the inner side of the first leg massage part and the inner side of the second leg massage part; and a side support bracket provided on the leg connection frame, rotatably supporting the outer side of the first leg massage part and the outer side of the second leg massage part.

Abstract: The present disclosure relates to a capacitive touch-type power seat switch using a receptacle, mounted on a seat of a vehicle and configured to control a position of the seat and a function thereof, the power seat switch comprising: a knob configured to be moved upwards, downwards, leftwards, and rightwards by operation of a user; an operation transmission unit configured to transmit an operation direction of the knob when the knob is moved upwards, downwards, leftwards, and rightwards, and to implement a function of the power seat switch in response to an operation signal according to the transmitted operation direction; a receptacle installed in a PCB provided in the operation transmission unit; a sensor electrode electrically connected to the receptacle and configured to detect variation in capacitance; and a sensor circuit part electrically connected to the sensor electrode.

Abstract: A semiconductor device is provided.

Abstract: A method, a computer device, and a non-transitory computer-readable recording medium for preventing an erroneous deposit of cryptocurrency are provided. A method of preventing an erroneous deposit of cryptocurrency includes providing an interface for inputting transaction request information including a target coin and a wallet address; verifying at least one of the target coin and the wallet address using a trading environment of a target exchange corresponding to the transaction request information; and processing a transaction according to the transaction request information based on a verification result.

Abstract: An embodiment vibration motor assembly of a seat includes a vibration motor and an upper housing disposed around the vibration motor to hold and fix the vibration motor, the upper housing configured to be fixed to a pad of the seat, and the upper housing including a holding part disposed at a circumference of a front surface of the upper housing to hold a circumference of the vibration motor and a fixing part protruding from a rear surface of the upper housing to cover and fix a rear surface of the vibration motor.

Abstract: Provided is a mold for a seat pad with a mesh fixed, which can easily fix a mesh to be inserted in a molding process. The mold includes a plurality of mold members overlapping each other and molding a seat pad by foaming a resin injected into a space formed between the mold members, the mold members are formed with a mesh accommodating groove accommodating a mesh, and the mesh is fitted into and fixed to the mesh-accommodating groove.

Abstract: A mesh integrated seat pad assembly delivers vibration output from a massage module to the entire seat pad to prevent the vibration from being reduced by the pad. The mesh integrated seat pad assembly includes a pad provided in a seatback supporting the back of a passenger or a seat cushion supporting the hip and the thigh of the passenger to provide additional comfort to the passenger, a mesh mounted on one side surface of the pad, and a massage module installed to be in contact with the mesh.

Abstract: A flame-retardant polyester decorative sheet according to one embodiment of the present invention comprises: a core layer comprising a polyester resin and a polyphosphonate; and a skin layer, which is positioned on at least one surface of the core layer and contains a polyester resin and a polyphosphonate, wherein the content of a color master batch in the skin layer is greater than that in the core layer, thereby solving a discoloration problem caused by a fire retardant agent while satisfying Flame Retardant Performance Standards of Notification No. 2019-2 of the National Fire Agency, and thus a flame-retardant polyester decorative sheet, which has a color tone deviation equal to that of a conventional decorative sheet product using no fire retardant agent, can be provided.

Abstract: A method for manufacturing an electronic device including a semiconductor memory may include forming a first carbon electrode material, surface-treating the first carbon electrode material to decrease a surface roughness of the first carbon electrode material, and forming a second carbon electrode material on the treated surface of the first carbon electrode material. The second carbon electrode material may have a thickness that is greater than a thickness of the first carbon electrode material.

Abstract: Provided is a mold for a seat pad with a mesh fixed, which can easily fix a mesh to be inserted in a molding process. The mold includes a plurality of mold members overlapping each other and molding a seat pad by foaming a resin injected into a space formed between the mold members, the mold members are formed with a mesh accommodating groove accommodating a mesh, and the mesh is fitted into and fixed to the mesh-accommodating groove.

Abstract: A system for manufacturing an optical display element by laminating an optical film on one surface of a rectangular organic light emitting display panel, the system including: a panel supply unit to which an organic light emitting display panel is supplied; a panel conveying unit which conveys the supplied organic light emitting display panel; an optical film supply unit which supplies an optical film by unwinding the optical film from a raw optical film roll; a laminating unit which laminates the optical film on one surface of the organic light emitting display panel; and a turning unit which rotates the organic light emitting display panel by 90° before the optical film is laminated on one surface of the organic light emitting display panel when a width-directional edge of the supplied organic light emitting display panel does not correspond to a width of the raw optical film roll.

Abstract: The present invention relates to a massage device including a rotatable arm massage part and, more specifically, to a massage device having an arm massage part rotatably provided thereto so that various functions can be provided to a user. To this end, an aspect of the present invention includes: a body massage part including a main frame forming a skeleton of a massage device and massaging the body of a user; and arm massage parts disposed at opposite sides of the body massage part to receive both arms of the user, respectively, and massaging the arms of the user, wherein the main frame may include an arm fixing frame to which the arm massage part is connected, and the arm massage part may include an arm moving frame rotatable in at least one direction with reference to the arm fixing frame.

Abstract: An arc welding device for a secondary battery according to an embodiment of the present invention includes an upper fixing portion in which a plurality of welding electrode units connected to one pole of a welding power are disposed and a lower fixing portion disposed to face the upper fixing portion with an object to be welded therebetween and connected to the other pole of the welding power. The upper fixing portion includes a first facing surface facing the object to be welded and formed to be concave toward the object to be welded and the lower fixing portion includes a second facing surface facing the first facing face and formed to be convex to correspond to the concave shape of the first facing surface.

Abstract: Provided is a massage device which can provide various massage functions and stretching functions to the user's arm by linearly moving an arm massage unit in conjunction with a rotational action when the arm massage unit rotates. The massage device includes: a body massage unit including a main frame forming the skeleton of the massage device, and massaging a user's body; arm massage units respectively arranged on both sides of the body massage unit, accommodating both arms of the user, and configured on the body massage unit to rotate around a rotational shaft; a rotation module for rotating the arm massage units in at least one direction; and a position adjustment module operating in conjunction with the rotation action of the arm massage units by the rotation module to allow linear movement of the arm massage units due to the self-weight of the arm massage units.

Abstract: A method for manufacturing an electronic device including a semiconductor memory may include forming a first carbon electrode material, surface-treating the first carbon electrode material to decrease a surface roughness of the first carbon electrode material, and forming a second carbon electrode material on the treated surface of the first carbon electrode material. The second carbon electrode material may have a thickness that is greater than a thickness of the first carbon electrode material.

Abstract: An exemplary embodiment of the present invention provides a foreign substance inspection system for a display unit, including: a lighting unit configured to provide incident light to a display unit having an organic light emitting display panel; and a foreign substance detecting unit configured to receive incident light that is reflected by the display unit and detect whether a foreign substance is introduced into the display unit.

Abstract: A semiconductor device may include first row lines each extending in a first direction, column lines each extending in a second direction crossing the first direction, second row lines each extending in the first direction, a plurality of first memory cells respectively coupled between the first row lines and the column lines, each of the plurality of first memory cells including a first variable resistance layer and a first dielectric layer positioned between the first variable resistance layer and a corresponding one of the first row lines, and a plurality of second memory cells respectively coupled between the second row lines and the column lines, each of the plurality of second memory cells including a second variable resistance layer and a second dielectric layer positioned between the second variable resistance layer and a corresponding one of the second row lines.

Abstract: A microfluidic structure in which a plurality of chambers arranged at different positions are connected in parallel and into which a fixed amount of fluid may be efficiently distributed without using a separate driving source, and a microfluidic device having the same. The microfluidic device includes a platform having a center of rotation and including at least one microfluidic structure. The microfluidic structure includes a sample supply chamber configured to accommodate a sample, a plurality of first chambers arranged in a circumferential direction of the platform at different distances from the center of rotation of the platform, and a plurality of siphon channels, each of the siphon channels being connected to a corresponding one of the first chambers.