baber/WOPTO huggingface dataset:
Patent KR-20190132061-A (KR)
Title: Protection apparatus of power semiconductor device based on current limiting DC-Fuse and Surge Absorber
Inventor: SU HYEONG JANG
IPC: H01L23/62
Filed: 2018-05-18
Abstract: The present invention relates to an apparatus for protecting a power semiconductor device inside a power conversion device receiving a DC input by using a current-limiting DC fuse and a surge absorber (SA). A protection apparatus for a semiconductor device for DC power conversion using a current-limiting DC fuse and a surge absorber of the present invention comprises: a DC fuse disconnecting an electric circuit when overcurrent caused by high-voltage DC power occurs between electrical devices; a power conversion device converting inputted DC power to AC power and providing the same to a system or a load; and the SA absorbing an overvoltage (surge voltage) instantaneously generated at a time of fusing the DC fuse between the DC fuse and the power conversion device.
Patent KR-20190132717-A (KR)
Title: A dehydrogenation catalyst with double layers for light hydrocarbons
Inventor: YOO YOUNG SAN
IPC: B01J23/62
Filed: 2018-05-21
Abstract: The present invention relates to a dehydrogenation catalyst having a double layer structure, which is a catalyst used in dehydrogenation reactions of light hydrocarbon gases in a range of C_3 to C_6. More specifically, the present invention provides the dehydrogenation catalyst having the double layer structure which has a form in which platinum, tin, and an alkali metal are supported on a phase-changed carrier, wherein a tin component exists throughout the inside of the carrier and platinum and tin exist in an alloy form as a single complex form, within a predetermined thickness from the outside of the carrier.
Patent KR-20190137547-A (KR)
Inventor: GO JONG GEUN
IPC: A47G25/10
Filed: 2018-06-01
Abstract: The present invention relates to an interior hat hanger. The interior hat hanger is a novel hat hanger able to be suspended from a wall, a head shape is added to the hanger to keep the shape, and also, a scent is placed in the head shape to remove odor, so an existing problem that not many hats can be stored in comparison with volume can be solved. According to the present invention, the interior hat hanger comprises: a hat hanger having a ring shape to hang a hat; a hat-shaped prosthesis having the shape of the crown part of a hat to keep the shape of the hat while removing odor from the hat; a supporter having a long and flat shape to enable the hanger and the prosthesis to be attached; and a hanging unit having an n-shaped ring shape to enable the hat hanger to be suspended from a wall. Therefore, according to the present invention, the interior hat hanger is a novel hat hanger able to be suspended from a wall, a head shape is added to the hanger to maintain the hat′s shape, and also, a scent is placed in the crown to remove odor, so an existing problem that not many hats can be stored in comparison with volume can be solved.
Patent KR-20180063031-A (KR)
Inventor: CHUNG HYUN JONG
IPC: F24F11/89
Filed: 2018-06-04
Abstract: The present invention relates to a portable air purifier having a wireless charging module, comprising: a lower housing and an upper housing having a storage space formed inside, an air entrance unit and an air supply unit formed on each side; a fan motor arranged inside the storage space between the air entrance unit and the air supply unit for moving the air introduced from the air entrance unit to the air supply unit; an exchangeable filter arranged inside the storage space for purifying the air introduced to the air entrance unit; a DC motor driving unit arranged inside the storage unit for driving the fan motor; and a wireless charging unit arranged on the upper unit of the fan motor for wirelessly supplying power to a smart phone arranged on the outer upper surface of the upper housing.
Patent KR-20190138205-A (KR)
Inventor: KANG GEON MIN
IPC: H02S40/34
Filed: 2018-06-04
Abstract: Disclosed is an apparatus for detecting disconnection of a solar power generation system. The apparatus which detects disconnection between a plurality of solar cell modules connected to each other in series comprises: a disconnection detecting unit provided to connect a positive electrode terminal of a solar cell module positioned at the farthest one side among a plurality of solar cell modules and a negative terminal of the solar cell module positioned at the farthest other side to detect electric disconnection between the adjacently disposed solar cell modules; and a disconnection detecting terminal for receiving information on a disconnection part detected by the disconnection detecting unit to display the same on a screen. The disconnection detecting unit and the disconnection detecting terminal wirelessly communicate with each other in a non-contact manner. According to the present invention, a disconnection section between solar cell panels can be easily detected as compared to the conventional invention by searching for a power frequency modulation section using a resonance frequency technology, and the disconnection detection and a warning sound signal can be rapidly transmitted and displayed through a voice signal to the disconnection detecting terminal, thereby inducing a rapid response of a worker.
Patent KR-20190138465-A (KR)
Title: Electric heating type aerosol generator
Inventor: LEE KWANG YEON
IPC: A61M11/04
Filed: 2018-06-05
Abstract: An objective of the present invention is to provide an electric heating type aerosol generator which is easily carried and conveniently used by a user and has excellent safety. To this end, the electric heating type aerosol generator according to the present invention includes: a housing which is formed in a vertically lengthily extended hollow shape as a housing with a size capable of being gripped by the hand, and includes a first lid having at least a top portion capable of being partially opened and closed and a second lid having at least a bottom portion capable of being partially opened and closed; a suction unit which is provided in an upper portion of one side of an inner part of the housing such that the suction unit can be exposed to the outside according to opening of the first lid, and provides an independent air current pass inside the housing; a cartomizer which includes a liquid storage unit, a wick receiving a liquid phase from the storage unit, a coil heater wound around the circumference of the wick to generate an aerosol from the liquid phase by electric resistance heating, and a terminal electrically connected to the coil heater, as a cartomizer which is detachably provided in a lower portion of one side of the inner part of the housing and under the suction unit according to opening of the second lid, and in which a pipe communicated with the air current pass is provided according to mounting of the pipe; a battery which is provided in the other side of the inner part of the housing and side surfaces of the suction unit and the cartomizer; and a control unit which is provided between the suction unit and cartomizer side and the battery side within the housing.
Patent KR-20190140249-A (KR)
Title: Soft light emitting actuator and method thereof
Inventor: LEE YE RIM
IPC: H01L33/26
Filed: 2018-06-11
Abstract: According to an embodiment of the present invention, a soft light emitting actuator includes: a pair of electrodes; a signal applying unit electrically connected to the pair of electrodes to selectively apply at least one of an amplitude signal and an offset signal to the pair of electrodes at a driving frequency; a light emitting layer made of an electrophosphorescent material and disposed between the pair of electrodes, wherein the electrophosphorescent material emits light in response to an electric field formed between the pair of electrodes, and the brightness is controlled only by an amplitude signal at a driving frequency; and a pair of strained layers disposed between the pair of electrodes with respect to the light emitting layer, composed of a dielectric elastomer, and electrically deformed while generating Maxwell stress around a portion in contact with the pair of electrodes, wherein the strain is controlled only by an offset signal at the driving frequency. The driving frequency is preferably a high frequency of 1 kHz or more.
Patent KR-20190141917-A (KR)
Title: Temperature controllable testing module of semiconductor package
Inventor: HWANG UI SU
IPC: H01L21/67
Filed: 2018-06-15
Abstract: The present invention relates to a semiconductor device inspecting module capable of temperature control, which includes: a module case having a module space part therein; a cooling part provided on the module space part of the module case and allowing a supplied refrigerant to pass to be cooled; a thermos-device/heater provided on the module space part of the module case and generating heat by applied power or transmitting cold air of the cooling part; a damper connected to an inspection body and connected thereto in a manner capable of flowing with a predetermined distance in a vertical direction; a floating part connecting the module case and the damper and horizontally rotationally connecting the same; and a connecting part for electrically connecting a test board and a semiconductor device. According to the present invention, the semiconductor device inspecting module capable of temperature control is possible to improve inspection reliability because of being possible to effectively transfer hot air and cold air to the semiconductor device to maintain an inspection environmental condition.
Patent KR-20190143570-A (KR)
Inventor: KANG KI HYUN
IPC: B07B15/00
Filed: 2018-06-21
Abstract: One embodiment of the present invention provides a chip separator comprising: a housing forming an opening; a drum accommodated in the housing; a rotational driving unit installed in the housing, positioned on the opposite side of the opening and coupled to the drum to provide rotational force to the drum; a pipe unit connected to the housing to allow gas to flow and providing heat to the drum; and a heating unit connected to the pipe unit to apply heat to the supplied gas. According to the present invention, the chip separator is able to efficiently separate chips from PCB substrates.
Patent KR-20200000283-A (KR)
Title: Method and apparatus for reporting radio link failure in wireless communication system
Inventor: HWANG JUNE
IPC: H04W88/06
Filed: 2018-06-22
Abstract: The present disclosure relates to a radio link failure reporting method in a mobile communication system, and an apparatus thereof. According to an embodiment of the present invention, a method of a terminal reporting a radio link failure comprises the steps of: detecting a radio link failure of a first radio access technology (RAT); generating a radio link failure report in the first RAT; establishing a connection with a cell providing a second RAT different from the first RAT; and transmitting the generated radio link failure report in the first RAT through the second RAT.
Patent KR-20200000304-A (KR)
Title: A 3-axis MEMS accelerometer with the symmetry structure
Inventor: KIM DUK SOO
IPC: G01P15/18
Filed: 2018-06-24
Abstract: The present invention relates to a three-axis MEMS accelerometer with a symmetric structure. The three-axis MEMS accelerometer comprises: a first mass unit moving along the movement of an x-axis or y-axis; a first spring unit connecting the first mass unit to a predetermined fixed position; a second mass unit installed in space formed at the center of the first mass unit and moving along the movement of a z-axis; and a second spring unit connecting the second mass unit to the first mass unit. The first and second mass units are symmetrical. The three-axis MEMS accelerometer may improve the z-axis sensitivity while reducing a size in comparison with an existing accelerometer.
Patent KR-20200000523-A (KR)
Title: a piping assembly system installed with shield
Inventor: PARK MI SOON
IPC: F16L47/02
Filed: 2018-06-25
Abstract: As fire-fighting piping of plastic such as CPVC is widely used today, flexible joints that combine with the same are also used as flexible joints with CPVC intermediate joints installed with a CPVC material to form fusion connection. The present invention relates to a piping assembly system related to the above. In particular, a method of applying fusion connection by molten cement to pipes causes thermal expansion and deformation of the pipes by chemical reactions, and deterioration of construction quality is serious due to various leaks caused by cracks, fractures, and weakening of tissues during a cold hardening process of the pipes. To solve the problem, the present invention relates to a piping assembly system with a contact shield applied to prevent molten cement from swelling to come into contact with vulnerable areas.
Patent KR-20200001263-A (KR)
Title: Apparatus of adjusting valve timing for internal combustion engine
Inventor: OH JINHYUK
IPC: F01L13/00
Filed: 2018-06-27
Abstract: The present invention provides an apparatus for adjusting a valve timing for an internal combustion engine. The apparatus for adjusting a valve timing for an internal combustion engine comprises: a housing having an inner space while being coupled with a ratchet plate interlocking with a crankshaft; a rotor having a plurality of vanes installed in the inner space of the housing while interlocking with a camshaft to rotate relatively; and locking pins mounted on the vanes, and coupled to locking grooves formed on the ratchet plate to regulate a relative rotation of the rotor with respect to the housing. A pair of locking pins are spaced apart from each other on at least one of the vanes. The locking grooves are formed as a pair to accommodate the pair of locking pins, and each have an oil passage formed therein. The present invention allows the pair of locking pins to be quickly and smoothly coupled to the pair of locking grooves by the torque of the camshaft to ensure the reliability of a self-locking operation, thereby increasing the performance of an engine and making the apparatus compact.
Patent KR-20200002167-A (KR)
Title: Electrolyte composition for lithium secondary battery and lithium secondary battery using the same
Inventor: CHOI NAM SOON
IPC: H01M10/0568
Filed: 2018-06-29
Abstract: The present invention relates to an electrolyte composition for a lithium secondary battery and a lithium secondary battery including an electrolyte solution prepared from the electrolyte composition. The purpose of the present invention is to provide an electrolyte composition for a lithium secondary battery, which is capable of providing an electrolyte comprising an additive which can inhibit the formation of a by-product capable of acting as damage or resistance of an electrode interface due to HF by effectively removing HF formed by hydrolysis of LiPF6. The electrolyte composition for the lithium secondary battery comprises: a lithium salt including one selected from the group consisting of LiPF_6, LiClO_4, LiBF_4, LiFSI, LiTFSI, LiSO_3CF_3, LiPO_2F_2, lithium bis(oxalate)borate (LiBOB), lithium difluoro(oxalate)borate (LiFOB), lithium difluoro(bisoxalato) phosphate (LiDFBP), lithium tetrafluoro(oxalate) phosphate (LiTFOP), lithium fluoromalonato(difluoro) borate (LiFMDFB), and mixtures thereof; a carbonate-based solvent; and a side reaction inhibitor.
Patent KR-20200003629-A (KR)
Inventor: KIM HYUN SIK
IPC: G05F1/46
Filed: 2018-07-02
Abstract: The present invention relates to a regulator circuit with improved PSR characteristics. According to one embodiment of the present invention, the regulator circuit comprises: a reference voltage generation circuit generating and outputting a reference voltage; and a voltage adjustment circuit receiving an input voltage, receiving the reference voltage from the reference voltage generation circuit, and adjusting an output voltage to be corresponded to the reference voltage. The voltage adjustment circuit may include an amplifier amplifying the difference between a first input terminal voltage corresponding to the output voltage and a second input terminal voltage corresponding to the reference voltage, and a pass transistor connected between the input voltage and the output voltage and receiving an output terminal voltage of the amplifier by a control terminal.
Patent KR-20200007235-A (KR)
Inventor: LEE JOON WOO
IPC: B65D5/36
Filed: 2018-07-12
Abstract: The present invention relates to a pizza box able to be re-assembled into a small box. The pizza box comprises: a cover part forming the cover surface of a pizza box; a support part in which a storage space to store a pizza is formed; and a connection part connecting one side of the cover part with one side of the support part. The pizza box includes: a sub cover part divided by a cutting line in the cover part to be separated by external force; a sub support part divided by a cutting line in the support part to be separated by external force; and a sub connection part divided by a cutting line in the connection part to be separated by external force, and connecting one side of the sub cover part with one side of the sub support part. The pizza box can be re-assembled into a partial box, which is smaller than the pizza box, along folding lines included in the sub cover part, the sub support part and the sub connection part.
Patent KR-20190017654-A (KR)
Inventor: YAMASHITA HIROSHI
IPC: G03F7/20
Filed: 2018-07-31
Abstract: According to an embodiment of the present invention, a multi-charged particle beam drawing device includes: an emission unit emitting a charged particle beam; a molded aperture array having a plurality of first openings, receiving the irradiation of the charged particle beam in an area including the first openings, and forming multiple beams by each part of the charged particle beam passing through the first openings; an X-ray shield plate having a plurality of second openings, through which each corresponding beam passes among the multiple beams passing through the first openings, and shielding X-rays which are emitted by radiating the charged particle beam to the molded aperture array; and a blank aperture array having a plurality of third openings, through which each corresponding beam passes among the multiple beams passing through the first openings and the second openings, and having a blanker which is arranged to perform a blanking deflection of a beam for each third opening. The present invention can reduce an amount of X-rays irradiated to a blank aperture array.
Patent KR-20200014084-A (KR)
Title: Voltage generator, voltage waveform generator, semiconductor device manufacturing apparatus, voltage waveform generating method, and semiconductor device manufacturing method
Inventor: KIM HYE JIN
IPC: H01J37/32
Filed: 2018-07-31
Abstract: According to some embodiments of the present invention, a voltage generator capable of improving a performance of a solid state power equipment comprises: a pulse circuit configured to apply a voltage with three different levels to an output terminal; and a slope circuit configured to apply a slope voltage to the output terminal. The slope circuit may include an inductor configured to withdraw a current from a capacitive load connected to the output terminal.
Patent KR-20200015075-A (KR)
Inventor: KIM YOUNG HAK
IPC: B29C45/78
Filed: 2018-08-02
Abstract: The present invention relates to a method of accurately controlling temperature of plastic injection molding by an air-conditioning refrigerant system. More specifically, the present invention relates to a method of accurately controlling temperature of plastic injection molding by an air-conditioning refrigerant system, as a method using a heated thermal medium of a condenser tank and a cooled thermal medium of an evaporator tank by linking molds for injecting a plastic resin with an air conditioning unit to maintain a preset temperature, the method which continuously injects a plastic resin of a predetermined level, can prevent generation of defective products, and can also extend the life span of the mold by mixing the thermal mediums of such an air conditioning unit with a thermal medium of a circulation line that is being circulated during heating and cooling modes such that the mixture can be used, thereby enabling temperature of each of the molds to be always maintained to a preset temperature by using a condensation heat source as well as a heater during heating.
Patent KR-20200019492-A (KR)
Title: Rolling mill feedroll control apparatus and rolling mill feedroll control method
Inventor: GUN AHN
IPC: B21B38/00
Filed: 2018-08-14
Abstract: Disclosed are a rolling mill feed roll control device and a rolling mill feed roll control method. The rolling mill feed roll control device and the rolling mill feed roll control method according to an embodiment of the present invention may comprise: a detection unit which, when a steel plate material is rolled into a desired shape by using a front surface feed roll located at one end of a rolling mill and a rear surface feed roll located on the other end of the rolling mill, detects a first current torque current value of a motor to rotate the rolling mill, a second current torque current value of the motor to rotate the front surface feed roll, and a third current torque current value of the motor to rotate the rear surface feed roll; a control unit which determines whether the current rotation speed of the rolling mill is in a decreasing state by using the detected first current torque current value, second current torque current value, and third current torque current value, and, when the current rotation speed of the rolling mill is in the decreasing state, outputs a lowered target rotation speed command signal of the rear surface feed roll corresponding to a target torque current value such that the third current torque current value of the motor to rotate the rear surface feed roll may be reduced to the set target torque current value; and a driving unit which receives the lowered target rotation speed command signal of the rear surface feed roll and operates the motor to be reduced to the target torque current value corresponding to the lowered target rotation speed command value of the rear surface feed roll.
Patent KR-20200021852-A (KR)
Title: Size-changeable, washable electric makeup brush
Inventor: LEE YE LIM
IPC: A46B13/02
Filed: 2018-08-21
Abstract: An electric makeup brush is disclosed. In one embodiment of the present invention, the electric makeup brush comprises a brush replacement part comprising at least two brushes of different thicknesses from each other, and a gear part for moving any one of the at least two brushes using a rack and a pinion.
Patent KR-20200022272-A (KR)
Title: Fire damper for thermo-sensitivity and electrical operation
Inventor: KIM SENG KUN
IPC: F24F13/14
Filed: 2018-08-22
Abstract: The present invention provides a fireproof damper, which is thermo-sensitively and electrically operable, is repetitively usable even after a single usage, easily makes inspection for determining an operation failure, and automatically shuts off power as soon as the damper is operated to minimize a loss of public emergency power. According to a proper embodiment of the present invention, the fireproof damper thermo-sensitively and electrically operated comprises: a cylindrical damper housing; a circular valve installed in the middle inside the damper housing to open and close a circular passage of the damper housing; a spring for closing a valve having one end connected to the circular valve and the other end connected to the damper housing and installed to pull the circular valve in a closing direction by an elastic force; and a sensor assembly mounted in the damper housing to sense temperature of circular passage side flame heat through a shape memory alloy spring or to automatically close the circular valve, having been opened, by electrical application of the shape memory alloy spring when a fire occurs.