baber/WOPTO huggingface dataset:
Patent KR-20200119179-A (KR)
Inventor: KISUK JANG
IPC: H04W24/02
Filed: 2019-07-16
Abstract: The present invention is to provide a wireless terminal device for providing a dynamic wireless network variable access based on quality prediction which can minimize the access delay caused by network switching, and an operation method thereof. According to an embodiment of the present invention, an operation method of a wireless terminal device accessible to a plurality of wireless networks comprises the steps of: collecting variable information of a wireless terminal device; obtaining quality prediction information for each accessible network according to quality prediction processing using the variable information; and determining a first wireless network from among the plurality of wireless networks to perform data transmission based on the quality prediction information for each network.
Patent KR-20210014328-A (KR)
Inventor: CHUNG HONG RAE
IPC: B60G7/04
Filed: 2019-07-30
Abstract: A trailing arm capable of increasing rigidity and improving assembly is disclosed. According to the present invention, a trailing arm comprises: a body part having a forming portion, a bush coupling portion on one side in the longitudinal direction, and an axle coupling portion on the other side in the longitudinal direction; a first flange part formed in the longitudinal direction of the body part on one side in the width direction of the body part; a second flange part formed in the longitudinal direction of the body part on the other side in the width direction of the body part; a curved flange part extending from the other side in the longitudinal direction of the second flange part and curved toward the outside in the width direction of the body part; and a reinforcing depression part disposed to be biased toward the curved flange part with respect to the center of the body part in the width direction.
Patent KR-20210015226-A (KR)
Inventor: PARK JU HUM
IPC: G06T7/70
Filed: 2019-08-01
Abstract: Disclosed are a terminal device for indoor positioning based on object recognition, a service server and a method thereof. According to one aspect of the present invention, the terminal device includes: a storage part storing an indoor map with which preset coordinate values by object are matched; a photographing part; and a control part recognizing first and second objects from an image obtained through the photographing part, each estimating virtual space positions of the first and second objects, each estimating a virtual space distance between a user and each of the first and second objects by using a virtual space position of the user and the virtual space positions of the first and second objects, and estimating an indoor position of the user by using the virtual space distance. Therefore, the present invention is capable of accurately estimating an indoor position without building high-priced equipment or infrastructure.
Patent KR-20210004765-A (KR)
Inventor: ZHENG XIAOHAI
IPC: E06B7/26
Filed: 2019-08-20
Abstract: The present invention relates to a heat-insulating window frame capable of preventing rainwater from backflowing and, more specifically, to the technical area of a safe heat-insulating window frame. A conventional heat-insulating window frame can have a problem in which rainwater backflows. According to the present invention, the heat-insulating window frame capable of preventing rainwater from backflowing comprises a window frame consisting of four first section members in which the first and last portions are connected, and a center pillar fixed in the window frame. The first section member includes a first installation part and a second installation part. The four first installation parts are enclosed to form a first installation area. The center pillar divides the first installation area into a first unit area and a second unit area. The four second installation parts are enclosed to form a second installation area. The first installation part of the lowermost first section member is installed higher than the second installation part. A second section member is installed on the second unit area. The second section member is installed on the upper side of the lowermost first section member. The upper surface of the second section member is installed higher than the upper end of a barrier strip. One side of the upper surface of the second section member adjacent to the second installation area is installed to be separated away from one side of the second installation area. The second section member in accordance with the present invention prevents rainwater from backflowing into indoor space. The window frame has excellent safety.
Patent KR-20210022398-A (KR)
Title: Safety device of effective excavator claw
Inventor: KANG YUN CHANG
IPC: E02F9/24
Filed: 2019-08-20
Abstract: The present invention relates to a safety device of an effective excavator claw, which prevents a claw which is paired with a bucket of an excavator to perform a function of tongs from being completely fixated to an arm of the excavator and uses the claw by selectively attaching and detaching the claw. The safety device comprises: an elastic holder unit installed in the arm of the excavator to have elasticity to be relaxed and compressed; and a mounting support unit coupled to the claw rotationally installed on the arm through a hydraulic cylinder and inserted into the elastic holder unit according to rotation of the claw to be supported by or separated to be disassembled from the elastic holder unit.
Patent KR-20200023243-A (KR)
Title: Quantum dot device and quantum dots
Inventor: KIM JIN A
IPC: C09K11/02
Filed: 2019-08-23
Abstract: The present invention provides quantum dots and electroluminescence elements. The quantum dots have a core including a first semiconductor nanocrystal containing zinc chalcogenide, and a semiconductor nanocrystalline shell disposed on the core and including zinc, selenium, and sulfur. The quantum dots have an average particle size which is greater than 10 nm, and the quantum dots do not contain cadmium. Moreover, a photoluminescence peak wavelength of the quantum dots is 430 nm or greater and 470 nm or less.
Patent KR-20210025305-A (KR)
Title: Driver
Inventor: CHO GYEONG AE
IPC: B25B23/00
Filed: 2019-08-27
Abstract: The present invention relates to a driver, in regard to forming a plurality of pins into a pin operation part, capable of improving an assembly property by individually assembling each pin with each container, and forming the components into one single pin operation part. To achieve the purpose, the driver of the present invention is a driver comprising a housing and a pin operation part provided in front of the housing. The pin operation part is formed such that a plurality of individual pin modules are placed parallelly to be pluralities guided by a pin guide. The individual pin modules include: a pin part having one side protruding to the outside of the pin guide; a spring accepting part extended from the other side of the pin part in a longitudinal direction; a spring part inserted into the spring accepting part; an individual container penetrated by the spring accepting part; and a support part formed at an end of the spring accepting part having penetrated the individual container.
Patent KR-20210028354-A (KR)
Title: Mattress for Massage
Inventor: SUL JOONG EUN
IPC: A61H1/00
Filed: 2019-09-04
Abstract: The present invention relates to a massage mattress comprising: a first sheet; a second sheet laminated on the first sheet; and a massage means provided between the first sheet and the second sheet for massage, wherein the massage means includes a massage module which operates by sensing the user seated on the second sheet. Therefore, the mattress periodically circulating air to the user can be provided to prevent skin softening, eczema, etc., and massage is provided to the mattress user, thereby helping blood circulation and preventing pressure sores by providing massage to the muscles. In addition, the massage mattress can be operated periodically by setting a predetermined time, thereby reducing the cost of hiring an assistant.
Patent KR-20210029395-A (KR)
Title: Polishing pad with depth adjustable grooves and polishing apparatus comprising the same
Inventor: AHN JAEIN
IPC: H01L21/304
Filed: 2019-09-06
Abstract: According to one embodiment, a polishing pad uses an elastic body on a floor surface of a groove to be capable of adjusting depth of the groove, thereby maintaining actual uniform depth of the groove after a conditioning process. Therefore, according to the embodiment, the polishing pad and the polishing device having the same can prevent existing degradation of slurry fluidity caused by reduction of the depth of the groove during a CMP process, and as a result, can improve polishing performance, reduce generation of a defect such as a scratch, and increase use life of the polishing pad.
Patent KR-20210031216-A (KR)
Title: Pipe Gasket
Inventor: KIM HEE JAE
IPC: F16L23/036
Filed: 2019-09-11
Abstract: The present invention relates to a pipe gasket coupled to a pipe flange while surrounding an outer circumferential surface of the pipe flange. The pipe gasket has a ring shape and an insertion space where the outer circumferential surface of the pipe flange is inserted into an inner circumferential surface. According to the present invention, the present invention is coupled to the pipe flange while surrounding the outer circumferential surface of the pipe flange to improve airtightness between the pair of pipe flanges.
Patent KR-20190109355-A (KR)
Title: Snow removal liquid spraying system of cycle type
Inventor: SHIN DONG HEN
IPC: E01H10/00
Filed: 2019-09-17
Abstract: The present invention relates to a circulation type snow removal liquid spraying system capable of efficiently managing a snow removal liquid tank. According to the present invention, the circulation type snow removal liquid spraying system (90) comprises: the snow removal liquid tank (100) filled with a snow removal liquid (L); a spray pipe (200) connected to the snow removal liquid tank (100) to be extended to a shoulder of a road (R); a spray pump (300) mounted on the spray pipe (200); and a spray nozzle (400) connected to a front end of the spray tube (200) to spray the snow removal liquid (L) toward the shoulder of the road (R).
Patent KR-20210035596-A (KR)
Title: Producing Device And Method Of Urea Solution For SCR In Ship
Inventor: NAM BYUNG TAK
IPC: F01N3/20
Filed: 2019-09-24
Abstract: A device and method for producing an aqueous urea solution for SCR of a ship are provided. The device for producing an aqueous urea solution for SCR of a ship of the present invention includes: a urea storage tank unit provided on a ship and storing urea powder; a stirring tank that receives the urea powder and mixes the urea powder with fresh water to generate an aqueous urea solution to be supplied to a selective catalytic reduction device (SCR) provided on the ship; a supply tank that receives the urea powder from the urea storage tank unit and transfers the urea powder of a fixed amount to the stirring tank; an injector for generating air bubbles for mixing the urea powder and fresh water by injecting gas into the lower part of the stirring tank; and a control panel for controlling the transfer of urea from the urea storage tank unit and the supply tank and generation of the aqueous urea solution in the stirring tank. The present invention reduces the installation cost and installation space of tanks, pipes, related devices, and the like.
Patent KR-20200038416-A (KR)
Inventor: SUGIYA TETSUKAZU
IPC: H01L21/18
Filed: 2019-09-26
Abstract: An objective of the present invention is to provide a wafer processing method capable of suppressing damage to a device during grinding. The wafer processing method comprises: a bonding step of bonding a surface side of a first wafer whose circumferential edge is chamfered to a surface side of a second wafer; after the bonding step, a grinding step of holding a rear side of the second wafer with a chuck table, and grinding the rear side of the first wafer to be thin as much as a final thickness; and, before the grinding step, a modified layer forming step of emitting a laser beam having a wavelength that has permeability to the first wafer along the boundary between a device region and an outer circumferential excessive region of the first wafer to form an annular modified layer in the vicinity of the surface side of the first wafer.
Patent KR-20210037474-A (KR)
Title: Tiny splicing tool for wire connection(sealing end)
Inventor: JEONG JAE GI
IPC: H02G15/08
Filed: 2019-09-27
Abstract: The present invention relates to a connection tool capable of wire end connection, and, more specifically, to a tool which has a cylindrical body of which the outer surface excluding flat surfaces is formed of rubber and the remainder is formed of metal, and has rectangular and triangular grooves on both the flat surfaces of the cylindrical body, and enables easy wire end connection. The purpose of the present invention is to provide a tool which can reduce muscle fatigue that occurs in twisting wires in wire end connection. The tool comprises: a cylindrical body of which the outer surface excluding flat surfaces is formed of rubber and the remainder is formed of metal; a rectangular groove on one of the flat surfaces of the body; and an equilaterally triangular groove on the opposite surface thereof. Therefore, the tool can simplify twisting of wires without using pliers during wire end connection, thereby reducing the fatigue of the muscles around the hand.
Patent KR-20210039118-A (KR)
Title: Surface protective film, method for producing surface protective film and method for manufacturing organic light emitting electronic device
Inventor: CHOI JEONG MIN
IPC: C09J133/04
Filed: 2019-10-01
Abstract: The present invention relates to a surface protective film in which a first antistatic layer, a base film, a second antistatic layer, an adhesive layer, a release layer, a protective film, and a third antistatic layer are sequentially laminated, to a production method of a surface protective film, and to a production method of an organic light emitting electronic device. The surface protective film is capable of preventing surface contamination of the adhesive layer.
Patent KR-20210041418-A (KR)
Title: Concrete curing sheet by using post-tension
Inventor: SEO TEA SEOK
IPC: E04G21/24
Filed: 2019-10-07
Abstract: The present invention provides a concrete curing sheet using post tension. According to a preferred embodiment of the present invention, the concrete curing sheet comprises two or more rings attached to the concrete curing sheet and a wire passing through the rings and positioned across the concrete sheet, and when the concrete curing sheet is installed, the concrete curing sheet adheres to the concrete surface by pulling the wire. According to the present invention, there is no end curling phenomenon of the concrete curing sheet and there is no need to perform a pressing operation, so the construction of the curing sheet is convenient, and also, safety accidents in the curing sheet construction process can be reduced due to the convenience of construction and, in addition, since there is no lifting of the curing sheet, an excellent concrete curing effect can be exhibited.
Patent KR-20210041691-A (KR)
Title: Power Module Connected by Multi-layer and the Manufacturing Method thereof
Inventor: PARK YU CHEOL
IPC: H01L23/538
Filed: 2019-10-07
Abstract: According to an embodiment of the present disclosure, a multi-layered junction power module comprises: an upper substrate; a lower substrate facing the upper substrate; a first switching element, a first diode, a second switching element, and a second diode separately mounted on an upper surface of the lower substrate; a third switching element, a third diode, a fourth switching element, and a fourth diode separately mounted on a lower surface of the upper substrate; a first lead frame bonded to an upper surface of the first switching element, an upper surface of the first diode, a lower surface of the third switching element, and a lower surface of the third diode through a plurality of adhesive layers; a second lead frame bonded to an upper surface of the second switching element, an upper surface of the second diode, and a lower surface of the fourth switching element through the adhesive layers; and a third lead frame electrically connected to a lower surface of the second switching element, the lower surface of the third switching element, an upper surface of the fourth switching element, and an upper surface of the fourth diode through the upper and lower substrates. Accordingly, parasitic inductance and current imbalance can be mitigated.
Patent KR-20210042578-A (KR)
Title: A lithum ion battery comprising cathode materials and an electronic device comprising the same
Inventor: BOOKEUN OH
IPC: H01M4/62
Filed: 2019-10-10
Abstract: Disclosed is a lithium ion battery to secure a high energy density, fast charging and high output characteristics, safety, and a long lifespan. According to the present invention, the lithium ion battery comprises a positive electrode, a negative electrode, an electrolyte, and a separator interposed between the positive electrode and the negative electrode. The positive electrode includes, as an active material, first LiCoO_2 (LCO), second LCO, and LiCo_xMn_yFe_zPO_4 having a coating layer formed on the surface thereof. The first LCO has a first size, the second LCO has a second size smaller than the first size to be interposed in a cavity formed by the first LCO, the LiCo_xMn_yFe_zPO_4 has a third size smaller than the first size and the second size to be interposed in a cavity formed by at least one of the first LCO and the second LCO, and a composition ratio of the LiCo_xMn_yFe_zPO_4 can be x + y + z = 1 (0.5 ≤ y ≤ 1). Other embodiments are possible.
Patent KR-20210044442-A (KR)
Title: Method for manufacturing electric wire product
Inventor: HWANG CHANG SOON
IPC: H02G1/12
Filed: 2019-10-15
Abstract: Disclosed is a method for processing a terminal of a micro coaxial cable. The disclosed method is a method of processing a terminal of a micro coaxial cable including a central conductor, an inner insulator, a shield conductor, and a jacket in order from the center to the outside. The method comprises the steps of: aligning a plurality of coaxial cables and fixing the plurality of coaxial cables using an adhesive tape; emitting a first laser light to a first part (P1) and a second part (P2) of the plurality of coaxial cables and removing jackets of the first part (P1) and the second part (P2) so as to form a first shield conductor exposed part (Q1) and a second shield conductor exposed part (Q2) from which a shield conductor is exposed, wherein the first part (P1) is located farther from a terminal (T) than the second part (P2); forming a first slit (R1) by emitting a second laser light to the first shield conductor exposed part (Q1); attaching a first reinforcing plate in a direction of the terminal (T) around the first slit (R1), and attaching a second reinforcing plate to a side opposite to the direction in which the first reinforcing plate is attached, and folding and unfolding the plurality of coaxial cables several times around the first slit (R1) using the first and second reinforcing plates so as to completely remove the shield conductor of the first slit part; and pulling the first reinforcing plate in the direction the terminal so as to remove jackets of the plurality of coaxial cables and shield conductor from the first slit to the terminal.
Patent KR-20210045054-A (KR)
Title: Failure Chip Shattering Apparatus For Semiconductor Device and method for thereof
Inventor: AAC HYUN SONG
IPC: H01L21/677
Filed: 2019-10-16
Abstract: Disclosed are a wafer defective chip shredding device and a method therefor. The wafer defective chip shredding device includes: a stage transfer unit; a first lifting unit; and a second lifting unit, and further includes: a crushing unit including a guide roller that surrounds and guides the separated and fallen guide film, a supply roller for supplying the guide film to the guide roller, and a crushing roller for crushing the guide film that has passed through the guide roller, wherein the guide film forms an adhesive surface on either one of front and back surfaces thereof. The defective chip shredding method includes: a protective film separation step (S1) including a protective film dropping step of desorbing and dropping the protective film; a guiding step (S2) of forming the inlet at a predetermined interval on both sides and guiding the protective film (Y) separated and dropped on the lower side of the transfer stage in the step of separating the protective film between the guiding films for guiding the protective films to face each other; a crushing step (S3) of crushing the guide film in close contact with the protective film (Y) that has passed through the guide rollers by passing the films between the crushing rollers; and a winding step (S4) of winding the guide film on the winding drum in an adhesive state of the crushed defective chips, wherein the guide step (S2) is configured such that one side of the guide film forms an adhesive side to adhere to each other while the protective film is included. Thus, productivity is improved by implementing separation and crushing through one device.
Patent KR-20210049469-A (KR)
Title: Novel compound and organic light emitting device comprising the same
Inventor: YU SOYOUNG
IPC: C09K11/06
Filed: 2019-10-25
Abstract: The present invention provides a novel compound and an organic light emitting device using the same. The present invention provides a compound represented by chemical formula 1. The compound represented by chemical formula 1 can be used as a material for an organic material layer of the organic light emitting device, can be used in a solution process, and thus can improve current efficiency and quantum efficiency in the organic light emitting device.
Patent KR-20210050757-A (KR)
Title: Die casting mold
Inventor: HU MAN WOO
IPC: B22D17/20
Filed: 2019-10-29
Abstract: The present invention relates to a die casting mold, which comprises: a support; a main core supported by the support and having a cavity corresponding to a shape of a casted product; a slide core installed to be slid and movable in the main core and forming the casted product with the main core together; and a burr removal unit provided to the main core and the support and injecting air injected from the outside through the support to an outer side of the main core to remove burr generated between the main core and the slide core. The present invention has a structure of preventing deposition of foreign substances.