baber/WOPTO huggingface dataset:
Patent KR-20210136594-A (KR)
Title: Cathode active material for all solid battery, manufacturing method thereof and all solid battery comprising the cathode active material
IPC: H01M10/052
Filed: 2020-05-08
Abstract: The present invention relates to a positive electrode active material for an all-solid battery, a manufacturing method thereof, and an all-solid battery including the same. More specifically, after lithium transition metal oxide is mixed with a precursor solution in which precursors are dispersed in an organic solvent, drying and heat treatment are sequentially performed, so that a positive electrode active material in which a sulfide-based solid electrolyte is uniformly surface-coated on a lithium transition metal oxide can be formed. In addition, a positive electrode active material for an all-solid battery suppresses generation of voids between a solid electrolyte and a positive electrode active material in an electrode and increases density, thereby increasing contact characteristics between particles of the solid electrolyte and the active material, allowing mass production, and increasing stability and lifespan characteristics of the electrode. The positive electrode active material comprises a core and a sulfide-based solid electrolyte.
Patent KR-20210141073-A (KR)
Title: Sectional height variable type girders comprising fixed pin and wire
IPC: E01D101/30
Filed: 2020-05-15
Abstract: Disclosed are a sectional height variable-type girder comprising a fixing pin and a wire. In accordance with an aspect of the present invention, a sectional height variable-type girder comprising a fixing pin and a wire comprises: a girder part; a plate bar disposed under the girder part and extending in a longitudinal direction of the girder part; a pair of fixing parts for fixing both ends of the plate bar to the girder part; and a sectional height change part disposed between the girder part and the plate bar between the pair of fixing parts. The sectional height change part includes: a first cylinder coupled to the girder part and having an opened lower surface; a second cylinder coupled to the plate bar and having an opened surface such that the first cylinder is inserted therein; the fixing pin coupled to a first fastening hole of the first cylinder and a second fastening hole of the second cylinder; a spring disposed in a vertically compressed state in the first and second cylinders; a support coupled to the plate bar and spaced apart from the second cylinder in a longitudinal direction of the plate bar; and the wire having both ends fixed to the fixing pin and the support.
Patent KR-20210143062-A (KR)
Title: Power Heavy Equipment Interior Work Convenience Device with Wide Work Area and Improved Stability
IPC: H02G11/02
Filed: 2020-05-19
Abstract: The present invention relates to an indoor work convenience apparatus for electric heavy equipment with a wide work area and improved stability, in which a first wire is wound around a first winch, the first wire is connected to the electric heavy equipment, the first winch, if released by rotating in a first direction, causes a second winch connected to the first winch by a speed reducer to rotate in the direction opposite to the first direction at a rotation ratio of 16 : 1 and to tightly maintain the tension of the first wire, a movable body is slidably installed on a structure (e.g., H-beam) installed on a ceiling, and the movable body is rotatable due to a rotating member (connected by a rotary bearing) in spite of sliding along the H-beam structure, thereby, widening a work radius and performing safe work.
Patent KR-20210145354-A (KR)
Inventor: KANG JUNG SOO
IPC: A01M1/20
Filed: 2020-05-25
Abstract: The present invention relates to a levitation type mosquito repellent coil holder. More specifically, a fixed magnet part (31) is fixed on the upper part of a support member (20) vertically connected to the upper part of a base member (10) and levitation magnet parts (35) are installed on the upper part of a wire (5) connected to the upper center of the base member (10) to be vertically spaced apart from each other. Since a mosquito repellant coil (2) is mounted on the levitation magnet parts (35) to be installed in a levitation state on the base member (10) by the length of the wire due to a pulling magnetic force between the fixed magnet part (31) and the levitation magnet part (35), excellent combustion and volatilization effects of a mosquito repellant coil are provided in comparison with conventional mosquito repellant coil holders. In addition, excellent decorativeness and marketability are provided while realizing a luxurious interior effect regardless of whether mosquito repellant coils are installed or not.
Patent KR-20210145978-A (KR)
Inventor: SEOK CHANG HO
IPC: E04G5/00
Filed: 2020-05-26
Abstract: The present invention relates to a traction device for gang forms, which is configured to pull gang forms in a stable posture and maintain a fixed state of the gang forms stable during construction. A device capable of pulling and moving gang forms, which has been proposed in the prior art, is structurally complicated, has an unstable posture during traction, and has problems such as separation of the gang forms from a wall due to vibration during construction, etc. To solve these problems, the present invention provides a traction device for gang forms, comprising: a bracket and a reinforcing plate fastened to the outer side and the inner side of a metal plate of a gang form; a vertical anchor detachably installed through a tip end of the bracket and embedded in concrete; and a traction hook fixed to a tip end of a support plate fixed to the outer side of the metal plate. According to the present invention, the traction device is simple in structure and easy to manufacture, so productivity is improved and manufacturing costs are reduced. In particular, during concrete curing, the traction device makes the concrete and the gang form integrated and the gang form fixed in a firm and stable posture even when vibration occurs, thereby making it very safe and easy to construct.
Patent KR-20210147273-A (KR)
Inventor: LEE SEUNG HYUN
IPC: B60R13/08
Filed: 2020-05-28
Abstract: Provided is an anti-noise pad separation and pickup apparatus. In accordance with the present invention, the anti-noise pad separation and pickup apparatus includes: an unwinding shaft having a sheet roll, on which a pad sheet is wound in a paper roll form, to unwind and feed the pad sheet in one direction; a winding shaft connected to one end of a release paper, from which the pad sheet has been peeled, to wind the release paper in a paper roll form; a peeling guide plate placed between the unwinding shaft and the winding shaft, placing the pad sheet, which is unwound and fed from the unwinding shaft, on an upper side and guiding the same in one direction, and making a direction change of the release paper, of which the front end is folded, at an acute angle toward the winding shaft; a plurality of pad blocks having an upper side on which the pad sheet peeled from the release paper is placed; a rotation body having a plurality of pressing pins provided on the outer surface to be matched one to one with the plurality of pads; a first actuator reciprocating the rotation body and the pad blocks in a horizontal direction such that the pad blocks are moved close to or spaced apart from the front end of the peeling guide plate; and a second actuator rotating the rotation body in a normal or reverse direction such that an upper side of each of the plurality of pads placed on the plurality of pad blocks and the front end of each of the plurality of pressing pins are pressed or spaced apart from each other. Therefore, a pad placed on the pad block after being peeled from one side of the release paper can be completely separated from another adjacent pad to be picked up.
Patent KR-20210152611-A (KR)
Title: Roller chain unit and conveyor roller chain comprising the same
Inventor: LEE WOO GON
IPC: B65G39/20
Filed: 2020-06-08
Abstract: The present disclosure relates to a roller chain for a conveyor, capable of enabling a stable component transfer while maintaining substantial combination with sprockets during a procedure in which a roller chain for a conveyor is rotated and moved. In accordance with one embodiment of the present disclosure, the roller chain unit includes: brackets having one end parts formed into a link shape extended forward and backward to be placed apart from each other on one side and the other side, and having the other parts extended upward from the one end parts; a first roller extended from one end to the other end in a forward/backward extension direction and a diagonal direction and having each of the one end and the other end combined with the other end of each of the brackets to be rotatable; and second rollers combined with outer parts of the brackets to be rotatable. A part of the other end of each of the brackets is bent to be opposed in parallel to each other to be combined with the first roller.
Patent KR-20210152270-A (KR)
Inventor: LEE CHANG KYU
IPC: C01G53/10
Filed: 2020-06-08
Abstract: The present invention relates to a method for preparing a nickel precursor for a positive electrode active material, and particularly, to a method for preparing a nickel precursor for a positive electrode active material by using low-purity nickel starting material. The method includes the steps of: a washing step of washing a nickel-containing starting material with water to remove water-soluble impurities; an oxidative precipitation step of introducing hydrogen peroxide and sulfuric acid to the washed nickel starting material to leach metal ingredients from the nickel starting material, and oxidizing a first impure metal ingredient including at least one of iron, manganese and cobalt from the leached solution; a neutralization and precipitation step of introducing a neutralizing agent to the leached solution after the oxidative precipitation step to neutralize and precipitate a third impure metal ingredient including at least one of chromium, aluminum, silicon and copper; and a solvent extraction step of removing impurities from the leached solution after the neutralization and precipitation step through solvent extraction to obtain aqueous nickel sulfate solution.
Patent KR-20210153218-A (KR)
Inventor: PARK JU YOUNG
IPC: C23F1/18
Filed: 2020-06-10
Abstract: Disclosed is an etching solution composition for a copper film and a titanium film. The etching solution composition for the copper film and the titanium film according to the present invention comprises sodium persulfate, hydrofluoric acid, phosphoric acid, benzotriazole, and remainder of water, etches the copper film and the titanium film at the same time, and does not generate potassium cyanide, which is harmful for human body, after etching process.
Patent KR-20210154472-A (KR)
Inventor: JI SEON JEONG
IPC: E06B5/11
Filed: 2020-06-12
Abstract: The present invention relates to a window having a safety function for preventing separation from the outside, the window in which a separation prevention rail larger than a casement rail is integrally formed on one side of a window frame having the casement rail so as to allow the window to be assembled only from the inside and a window sash frame having a security net is installed on one side of a fixed window frame of reinforced glass connected along the casement rail.
Patent KR-20210155149-A (KR)
Inventor: JU JAE SKE
IPC: F24F13/08
Filed: 2020-06-15
Abstract: The present invention relates to a bidirectional toll booth for a road, and more particularly, to a bidirectional toll booth for a road, as a toll booth installed at a toll gate of a highway or toll road, in which an air curtain unit and an air conditioning supply unit are allowed to change the air discharge direction, a see-through window, a door, and an air induction unit are installed on both front and rear sides, and a shutter-type security window is mounted on an unused window to easily change the direction of toll collection according to traffic amount while performing work in a safe, convenient and comfortable manner.
Patent KR-20210155692-A (KR)
Inventor: LEE KUK HYUNG
IPC: H01L23/00
Filed: 2020-06-16
Abstract: A carrier device is provided. The carrier device may include: a pocket portion having an insertion hole into which a semiconductor package is inserted; and a support portion formed on a first opening side when a film for aligning a plurality of terminals formed on the first surface of the semiconductor package to a socket portion is disposed on the first opening side of the insertion hole. The support portion may be formed to escape from the film, and may support an edge of the first surface of the semiconductor package.
Patent KR-20210156971-A (KR)
Inventor: CHAE WON YEONG
IPC: A61G10/02
Filed: 2020-06-19
Abstract: The present invention relates to a negative pressure tent with a divided entrance, in which a frame is formed with an air tube to which air is injected, an outer wall is in close contact with the air tube to block the outside air, an inner wall divides the space into a negative pressure room and an anteroom, and the anteroom is divided into two which can be used by medical staffs and patients, respectively. According to the present invention, the two anterooms formed inside the negative pressure tents are separately used for medical staffs and patients, so as to minimize contact with each other and thus prevent infection of the medical staffs.
Patent KR-20220001339-A (KR)
Title: Sensor Package and Method of Manufacturing the Same
Inventor: LEE JAE CHEON
IPC: H01L23/522
Filed: 2020-06-29
Abstract: Disclosed are a sensor package capable of preventing drift or warpage of a semiconductor chip and a manufacturing method thereof. This can improve heat dissipation characteristics because heat generated from the semiconductor chip can be efficiently transferred to the outside by arranging the semiconductor chip on a metal frame having an I/O pad and a heat sink. It is possible to prevent movement or warpage of the semiconductor chip, which can occur due to thermal deformation or the movement of a molding layer in a manufacturing process.
Patent KR-20220001611-A (KR)
Title: A appratus and methods for disinfecting the means of payment
Inventor: PARK YANG GYUN
IPC: A61L2/24
Filed: 2020-06-30
Abstract: The present invention relates to a disinfection device for a payment means, comprising: an outer case having an inside divided into a sterilization space and a space equipped with a sterilization means; a sterilization unit for performing sterilization when a payment means such as cash, a card, or a mobile phone is introduced from the inside of the outer case; and a device unit in which the sterilization means and a controller are accommodated to perform sterilization for a certain period of time when the payment means is accommodated in the sterilization unit. The disinfection device is performed by a step of opening a door of a guest-side sterilization unit; a step of inserting a payment means into the sterilization unit; a step of closing the door of the guest-side sterilization unit; a step of performing sterilization in the sterilization unit; a step of opening a door of a counter-side sterilization unit; a step of withdrawing the sterilized payment means from the sterilization unit; a step of closing the door of the counter-side sterilization unit; a step of performing payment using the payment means; a step of opening the door of the counter-side sterilization unit when the payment is completed; a step of inserting the paid payment means and a receipt into the sterilization unit; a step of closing the door of the counter-side sterilization unit; a step of performing sterilization in the sterilization unit; a step of opening the door of the guest-side sterilization unit; a step of withdrawing the sterilized payment means and receipt from the inside of the sterilization unit; and a step of closing the door of the guest-side sterilization unit. According to the present invention, virus infection through portable products can be fundamentally blocked.
Patent KR-20210019381-A (KR)
Title: Dual air curtain device for energy saving
Inventor: KIM SUNG WOO
IPC: F24F9/00
Filed: 2020-06-30
Abstract: The present invention relates to a dual air curtain device for energy saving, which more efficiently maintains temperature of an indoor space or a specific space to save energy, and additionally, maximally restrains introduction of harmful insects such as insect, mosquitoes, or flies or smoke to the indoor space or the specific space. More specifically, the device is installed in an entrance door and a door of a room of a general house where people enters, an entrance door and an object door of various types of business sites, an entrance door of a pen, an entrance door of a factory, an entrance door of a research institute, and an entrance door or a window of a caravan, a leisure vehicle, and a tent to maximally restrain leakage of cold air or hot air of the indoor space or the space to the outside.
Patent KR-20220003344-A (KR)
Title: Refregerator
Inventor: NAYOUNG KIM
IPC: F25D23/02
Filed: 2020-07-01
Abstract: A refrigerator according to an embodiment of the present invention comprises: a cabinet having a storage space; and a door configured to open and close the cabinet. The door includes: a cap decoration defining an upper surface of the door and having an opening; an outer plate made of a metal material, defining a front appearance of the door, and including a display configured to indicate operation information by a combination of a plurality of fine through holes; a door liner coupled to the outer plate and defining a rear surface of the door; an insulating material filled between the outer plate and the door liner; an inner case coupled to the outer plate and the cap decoration within the door and including an independent accommodating space that communicates with the opening and into which the insulating material is not intruded; and a display assembly inserted through the opening from the outside of the door and disposed within the case. The cap decoration includes a case inserting portion into which an upper end of the inner case is inserted and restrained. The present invention can maintain a mounting position of the inner case by a simple assembly operation.
Patent KR-20220005918-A (KR)
Title: CMP Composition of Cerium Oxide Powders
Inventor: Song se ho
IPC: C09G1/02
Filed: 2020-07-07
Abstract: The present invention relates to cerium oxide composite powder and a dispersion composition comprising the same. The cerium oxide composite powder contains two or more cerium oxide particles having different sizes from each other and satisfying a specific composition range. The average density of the cerium oxide composite powder included in a dispersion composition solution is controlled so that, when the cerium oxide composite powder is used in the dispersion composition, a substrate is not damaged, a high polishing speed is implemented, and excellent storage stability is ensured.
Patent KR-20220010378-A (KR)
Title: Dual domain sub sampling phase lock loop
Inventor: KIM CHUL WOO
IPC: H03L7/093
Filed: 2020-07-17
Abstract: An object of the present application is to provide a dual-domain sub-sampling phase fixing loop capable of reducing jitter of a high-speed clock output through a conventional phase fixing loop and reducing the number of circuits. According to an embodiment of the present application, a sub-sampling phase fixing loop comprises: a first phase output unit sub-sampling output clock of a digitally controlled oscillator and outputting a sign bit corresponding to the voltage domain phase; and a second phase output unit configured to output a gain bit corresponding to a time domain phase based on a pulse width set according to the output clock and a threshold time set according to a reference clock.
Patent KR-20220011321-A (KR)
Inventor: YU SI YEOL
IPC: A62B18/08
Filed: 2020-07-21
Abstract: The present invention relates to an elastically-hinged mask, comprising: a body part which includes a mask main body covering nose and mouth regions of the user face, and has a first insertion port formed in one side of the mask main body and a second insertion port formed in the other side of the mask main body; a first rotating part which includes a first elastic hinge shaft, has one end inserted into the first insertion port, and elastically hinge-rotates with respect to the first elastic hinge shaft by external force applied by a user; and a second rotating part which includes a second elastic hinge shaft, has one end inserted into the second insertion port, is formed in a side opposed to the first rotating part with respect to the body part, and is elastically hinged and rotated with respect to the second elastic hinge shaft by external force applied by the user.
Patent KR-20220012605-A (KR)
Title: Fishing line melt adhesion device
Inventor: YEOM JEONG KUK
IPC: A01K97/00
Filed: 2020-07-23
Abstract: The present invention relates to a fishing line welding machine, more specifically, to a fishing line welding machine for bonding two different parts of a fishing line by applying heat to the fishing line and melting the same without having to tie the end of the line by hand to make a knot of the fishing line. According to an embodiment of the present invention, provided is the fishing line welding machine comprising: a casing provided with a predetermined gripper handle; a fishing line inlet formed on one side of the casing; a heating wire provided on the inner circumferential surface of the fishing line inlet; and a button that is provided on one side of the casing and operates to melt the fishing line by reducing the length of the hot wire exposed inside the inlet after heating the hot wire.
Patent KR-20210015679-A (KR)
Inventor: WASEDA TAKAYUKI
IPC: H01L21/02
Filed: 2020-07-29
Abstract: The present invention relates to a method for manufacturing a semiconductor device, which increases selectivity in selective growth while suppressing damage to a surface of a bottom substrate. The method of the present invention comprises the processes of: (a) forming a protective film on a surface of a third bottom substrate by supplying a processing gas to a substrate on which an oxygen-free first bottom substrate, an oxygen-containing second bottom substrate, and an oxygen and nitrogen-free third bottom substrate are exposed to a surface thereof; (b) modifying a surface of the second bottom surface to be terminated with fluorine by supplying a fluorine-containing gas to the substrate after the protective film is formed on a surface of the third bottom substrate; and (c) selectively forming a film on a surface of the first bottom substrate by supplying a film forming gas to the substrate after the surface of the second bottom substrate is modified.
Patent KR-20220019114-A (KR)
Title: Telemedicine system for self driving cars
Inventor: JAEYOUNG OH
IPC: B60W40/10
Filed: 2020-08-05
Abstract: In accordance with the present invention, provided is a telemedicine system of an autonomous driving vehicle, capable of enabling an autonomous driving vehicle to sense the body condition of a passenger and enable quick diagnosis and treatment when detecting a symptom, thereby maximizing the safety of the passenger while efficiently driving the autonomous driving vehicle. In accordance with one aspect of the present invention, the telemedicine system of an autonomous driving vehicle includes: an autonomous driving vehicle including a sensing part collecting a biometric signal or image of a user, and a control part calculating a driving route and controlling driving; and a diagnostic server receiving the collected biometric signal or image. The diagnostic server includes: a first diagnostic server primarily determining whether the collected biometric signal or image is abnormal; and a second diagnostic server confirming the abnormality.