baber/WOPTO huggingface dataset:
Patent KR-20220101342-A (KR)
Inventor: YANG BYOUNG SEOK
IPC: G06Q50/20
Filed: 2021-01-11
Abstract: According to the present invention, a platform for providing an online class based on virtual reality (VR) is connected to an educator terminal, a VR driving device of a student, and a VR content developer server and is configured to execute a VR application on the VR driving device of the student based on control of the educator terminal.
Patent KR-20220101956-A (KR)
Title: Filter Apparatus Of Air Purifier
Inventor: KIM SANG JIN
IPC: F24F13/28
Filed: 2021-01-12
Abstract: A filter device of an air purifier, where a plurality of partition walls, where a photocatalytic reaction occurs, can be formed in a waveform structure, is the filter device installed in an air purifier and comprises: a plurality of partition plates spaced from each other to have a passage, where air passes, and coated by a photocatalyst; and a photocatalytic filter unit irradiating a ray to each partition plate in a perpendicular direction to a proceeding direction of the air introduced to the passage to cause the photocatalytic reaction.
Patent KR-20220102329-A (KR)
Inventor: KWON CHUN GEUN
IPC: G06N3/04
Filed: 2021-01-13
Abstract: According to a preferred embodiment of the present invention, provided is a seasonal forest fire forecast device which includes a processor and a memory storing a program executed by the processor. The processor may: generate a forest fire risk prediction model on a monthly basis using daily factors of a preset past period as training data, wherein the forest fire risk prediction model outputs a forest fire risk index (FWI) value by inputting a set of climate factors, based on a machine learning algorithm; and analyze spatiotemporal fluctuation characteristics of the forest fire risk index value in a predetermined area through empirical orthogonal functions (EOF) analysis of the forest fire risk index value output through multiple forest fire risk prediction models generated on a monthly basis. According to the present invention, it is possible to effectively reduce damage by assessing the impact of forest fire patterns and risks caused by climate change and preparing countermeasures in advance.
Patent KR-20220102804-A (KR)
Inventor: LEE CAVIN
IPC: G06T7/20
Filed: 2021-01-14
Abstract: An objective of the present invention is to provide a control system for a construction machine, capable of improving a front view limited by a work device. The control system for a construction machine comprises: an upper camera installed on a cab of a rear vehicle body to capture an image of the front of the cab; a lower camera installed on a front vehicle body rotatably connected to the rear vehicle body to capture an image in front of the front vehicle body; an image processing device for combining first and second images captured by the upper camera and the lower camera into one image, recognizing the shape of a front work device in the first image to determine the turning angle of the front vehicle body, and setting a position of a transparent processing region in which at least one of the first and second images is transparently processed in the synthesized image according to the turning angle; and a display device for displaying an image synthesized by the image processing device.
Patent KR-20220104977-A (KR)
Inventor: JEON BOO SUN
IPC: H04L9/40
Filed: 2021-01-19
Abstract: Disclosed are an attack detection method and a device for image information of a vehicle Ethernet network. The attack detection method includes the step of: collecting packets transmitted and received between nodes of vehicle Ethernet; examining headers of collected packets; extracting source and destination addresses of the collected packets; accumulating the entropy of the source address and destination address, a time interval, the number of transmitted bytes, and the number of packets during a predetermined time window; and detecting an attack by comparing information accumulated during the time window with information accumulated in normal traffic. Accordingly, the stability of a vehicle can be increased.
Patent KR-20220105279-A (KR)
Title: A Composition for Preventing or Treating Brain Tumors Comprising Combinations of Small Mollecules as Active Ingredients
Inventor: YOON HA
IPC: C12N5/0793
Filed: 2021-01-20
Abstract: The present invention relates to a composition for the prevention or treatment of cancer, specifically brain tumor, and more specifically glioblastoma. In the present invention, through the combined administration of a pyrazolyl benzamide derivative compound and an activator of cAMP, a remarkable cancer cell proliferation inhibitory effect is shown even at a low dose to the extent that significant anticancer activity is not measured when administered alone. Thus, the composition of the present invention can be used as an effective anticancer composition capable of long-term administration of a low dose without tolerance or side effects. In addition, by directly converting malignant glioblastoma into benign nerve cells to simultaneously achieve tumor removal and quantitative recovery of lost cells, the present invention can be used as a fundamental therapeutic composition that reversibly restores tumor-damaged nerve tissue, unlike conventional symptomatic treatment.
Patent KR-20220106567-A (KR)
Inventor: KIM JUNG YOON
IPC: G06T7/70
Filed: 2021-01-22
Abstract: The present invention relates to an image pose estimation system and method using feature point matching pair filtering. A purpose of the present invention is to solve problems of a feature point matching filtering algorithm and a pose estimation system and method using the same of conventional technologies that an incorrect matching pair is often generated when a feature point is matched such that a process for filtering the same is required, clustered feature points are often selected during filtering, and geometrically incorrect false information is not completely filtered which may result in an erroneous estimation of homography. To solve the problems, the present invention provides the image pose estimation system using a feature point matching pair filtering algorithm and the image pose estimation method using the same, wherein the system uses a RANSAC algorithm and a concept of circular permutation to select a feature point matching pair that prevents selection of the clustered feature points and prevents an estimated homography from having a geometric error at the same time, thereby accurately estimating a pose of a two-dimensional image in a three-dimensional space. The image pose estimation system comprises: a reference image input unit; a target image input unit; a feature point extraction unit; a descriptor extraction unit; a feature point matching unit; a feature point matching pair analysis means; and an image pose estimation unit.
Patent KR-20210018380-A (KR)
Title: Frame and mask integrated frame
Inventor: JANG TAEK YONG
IPC: C23C14/04
Filed: 2021-02-01
Abstract: The present invention relates to a frame-integrated mask. The frame-integrated mask according to the present invention is a frame-integrated mask in which a plurality of masks (100′) are integrated with a frame (200′) supporting the masks (100′). The frame (200′) includes: an edge frame portion (210′); at least one first grid frame portion (220′) extending in a first direction and having both ends connected to the edge frame portion (210′); and at least one second grid frame portion (230′) extending in a second direction perpendicular to the first direction, intersecting with the first grid frame portion (220′) and having both ends connected to the edge frame portion (210′), wherein the frame (200′) includes a plurality of mask cell regions (CR) in the first direction and the second direction, each mask (100′) includes a plurality of mask cells (C), and the masks (100′) are connected tomask cell regions (CR) of the frame (200′), respectively.
Patent KR-20220111913-A (KR)
Inventor: LEE DONG GOON
IPC: E04F13/08
Filed: 2021-02-03
Abstract: The present invention relates to an exterior material for construction, which has an aesthetic exterior, facilitates construction, and clearly finishes an outer circumference portion of a building, and a construction method thereof. The exterior material for construction comprises: a plurality of frame units formed at a preset interval and having a rear surface fixated and installed on an outer wall of a building; a plurality of panel units formed on front surfaces of the frame units to decorate the outer wall; a plurality of fixing units fixating the panel units to the frame units; and a cover unit installed in a circumference portion of the outer wall of the building to cover the circumference portion of the outer wall of the building.
Patent KR-20220113136-A (KR)
Title: Smart door mat
Inventor: CHEONG HYE SUNG
IPC: G08B13/196
Filed: 2021-02-05
Abstract: The present invention relates to a door mat capable of detecting and photographing an object in front of a front door and grasping a situation in front of a front door. The door mat comprises: an information acquisition unit which detects an object on a mat and acquires image information about the object; an image analysis unit for analyzing the obtained image and generating an analysis result; a transmitter for transmitting the analysis result to a user's terminal; an access control unit which controls a door based on the transmitted analysis result; and a lighting control unit for controlling lighting when the information acquisition unit detects the object. By monitoring the object detected on the mat, when a single-person household or a woman is alone, an external situation can be grasped in detail and reported to the police to promote safety.
Patent KR-20220115293-A (KR)
Title: Method for manufacturing fermented liquid fertilizer of waste fish with reduced odor and fermented liquid fertilizer of waste fish produced by the same method
Inventor: KIM CHANG SOOK
IPC: C05F17/20
Filed: 2021-02-10
Abstract: The present invention relates to a method for manufacturing a fermented liquid fertilizer of waste fish with reduced odor, and the fermented liquid fertilizer of waste fish with reduced odor manufactured by the method. Since the method of the present invention can effectively reduce the odor generated during the microbial fermentation of waste halibut by using Hibiscus cannabinus, it is possible to be usefully used to develop a high-quality liquid fertilizer that is environmentally friendly and has reduced odor by recycling dead fish that are difficult to process.
Patent KR-20210109458-A (KR)
Title: Organic solvent, mixed solution and method for producing polyimide film
Inventor: ANDO TOMONORI
IPC: C08G73/10
Filed: 2021-02-24
Abstract: The present invention relates to an organic solvent which allows preparation of a polyamic acid solution having high storage stability and can improve the visibility of a film obtained by using the polyamic acid solution. The present invention also relates to a method for producing a polyimide film which can provide a polyimide film having high visibility by using the organic solvent to inhibit an increase in haze. The organic solvent includes an aprotic polar solvent having a boiling point of 200℃ or lower and water, and has a content of the aprotic polar solvent of 50% or more as determined by gas chromatography and a water content of 40-500 ppm as determined by the Carl Fischer's method. The method for producing a polyimide film uses a mixed solution containing the organic solvent, a tetracarboxylic anhydride ingredient and a diamine ingredient to obtain a polyimide film.
Patent KR-20220128713-A (KR)
Title: Novel compound, synthesize method for the novel compound and light emitting device comprising the same
Inventor: YOON DAE HO
IPC: C30B29/12
Filed: 2021-03-15
Abstract: The present invention relates to a novel compound, a method for preparing the same, and a light-emitting device including the same. The method of the present invention comprises: a first step of adding a first precursor including any one selected from a group consisting of Cs, Rb, MA (=CH_3NH_3) and FA (=HC(NH_2)_2) and a second precursor including any one selected from a group consisting of MnCl_2, MnBr_2, and MnI_2 to a solvent to prepare a mixed solution; a second step of freezing the mixed solution; and a third step of drying the frozen mixed solution, thereby providing a compound having a new structure of A_3BX_5 without any toxic materials such as lead and cadmium. Accordingly, the method is a very eco-friendly preparation method having no need for treatment of waste solution.
Patent KR-20210119309-A (KR)
Title: Drawing apparatus, data processing apparatus, drawing method, and drawing data generating method
Inventor: NATAOCHI SHINYA
IPC: G03F9/00
Filed: 2021-03-16
Abstract: Provided is a technology for reducing a computation resource or a computation time required for correction processing of drawing data due to deformation of a substrate. A data processing apparatus is configured to: generate first division data representing each drawing content of a plurality of first mesh areas obtained by dividing an initial drawing area represented by initial drawing data by an initial mesh width; synthesize the drawing content of each of the first mesh areas to match a position of each of the first mesh areas that are rearranged based on a position of an alignment mark of a first substrate; and generate first drawing data. The data processing apparatus is configured to: generate second division data representing each drawing content of a plurality of second mesh areas obtained by dividing the first drawing area represented by the first drawing data by a mesh width that is greater than the initial mesh width; synthesize the drawing content of each of the second mesh areas to match a position of each of the second mesh areas that are rearranged based on a position of an alignment mark of a second substrate; and generate second drawing data representing a second drawing area including a predetermined pattern.
Patent KR-20220129393-A (KR)
Title: Semiconductor devices
Inventor: HAN MIN CHUL
IPC: H01L23/544
Filed: 2021-03-16
Abstract: A semiconductor device comprises: a substrate; a first overlay pattern structure; and a lower structure. The substrate includes: a cell region and a scribe lane surrounding the cell region. The first overlay pattern structure is arranged on the scribe lane. The first overlay pattern structure comprises: a plurality of first sub patterns which extend to a first direction parallel to an upper surface of the substrate; a plurality of second sub patterns which extend to a second direction parallel to the upper surface of the substrate; a first outer fence which surrounds the plurality of first sub patterns and the plurality of second sub patterns in a plan and defines a first overlay pattern region; and a first inner fence which is arranged inside the first overlay pattern region, and is provided between the plurality of first sub patterns and the plurality of second sub patterns. The lower structure is arranged on the cell region and the scribe lane, and fills a space among the plurality of first sub patterns, the plurality of second sub patterns, the first outer fence, and the first inner fence. Provided is the semiconductor device having an overlay pattern to prevent a difference between the overlay pattern and an upper level around the overlay pattern.
Patent KR-20220130842-A (KR)
Title: Hot-dip aluminum coated steel for extremely low temperature and method for manufacturing the same
Inventor: KIM CHANG MIN
IPC: B08B3/06
Filed: 2021-03-19
Abstract: According to the present invention, a cryogenic molten aluminum coated steel and a manufacturing method thereof comprise: a base iron material (10) having a Vickers hardness of 138 to 141 Hv; an Al-Fe alloy layer (20) in which molten aluminum is infiltrated on the base iron material (10) and which has a Vickers hardness of 398 to 426 Hv and contains 40 to 45 wt% Fe and the remaining of Al and other inevitable impurities; and an Al coating layer (30) which is formed on the Al-Fe alloy layer (20), has a Vickers hardness of 36 to 39 Hv, and contains 2 to 3 wt% of Fe and the remaining of Al. The cryogenic molten aluminum coated steel has excellent brittleness, scratch properties, tensile properties, cycle repetition properties, and peel properties in a cryogenic environment.
Patent KR-20220131596-A (KR)
Title: Lead line for companion animal
Inventor: PARK MAN SEOK
IPC: A01K11/00
Filed: 2021-03-22
Abstract: A leash for pets according to the present invention includes: a ring part connected to a pet to be detachable; a reinforcing part adjacent to the ring part and including an elastic member; a handle part gripped by a user; and an extension part extending from the reinforcing part to the handle part. An object of the present invention is to provide the leash for the pets that is not tangled in the body and legs of the pet when used in connection with the pet.
Patent KR-20220134886-A (KR)
Inventor: RYU KI BAEG
IPC: B21D41/02
Filed: 2021-03-29
Abstract: The present invention provides a folded tube expanding device comprising: a main body; a protrusion formed to protrude from a front portion of the main body; and an insert unit formed to protrude from a front portion of the protrusion. The insert unit is composed of: an inserted portion protruding from the front portion of the protrusion with an insertion hole formed at the center thereof, and inserted into a folded tube; and a correction unit formed to protrude toward the inside from an inner wall of the insertion hole, and correcting a leg portion of the folded tube when the insert unit is inserted into the folded tube. According to the folded tube expanding device of the present invention, the tube deformed during folded tube cutting is corrected through expansion, and a gap between a header plate and the tube can be reduced by adjusting dimensions of a delta zone of the tube, which facilitates brazing. Moreover, since the leg portion of the tube is corrected, the tube closely adheres to the bottom surface of the tube as designed, and thus can become a structure suitable for internal pressure.
Patent KR-20220136683-A (KR)
Inventor: KANG HO MIN
IPC: H01L51/56
Filed: 2021-04-01
Abstract: The present invention provides a manufacturing method of an OLED mask assembly, which comprises: a metal mask sheet bonding step of bonding a metal mask sheet having a rectangular shape to a polymesh, which is an elastic body having a rectangular shape; a polymesh bonding step of bonding the polymesh to which the metal mask sheet is bonded to a tensile frame; a polymesh stretching step of stretching the polymesh to which the metal mask sheet is bonded using the tensile frame; a polymesh inspection step of inspecting whether the metal mask sheet is uniformly stretched by inspecting whether the polymesh is uniformly stretched; a polymesh removing step of removing the polymesh inside the circumferential surface of the metal mask sheet; an opening processing step of processing a plurality of openings in the metal mask sheet from which the polymesh is removed; and a bonding step of bonding the metal mask sheet to a mask frame for bonding the metal mask sheet having the opening to the mask frame. The polymesh, an elastic body to which the metal mask sheet is bonded, is stretched using an extension frame, and after photographing the front and back of the stretched polymesh through vision, a control unit compares and inspects the image of the front and back where the previously photographed polymesh is uniformly stretched. Therefore, it is easy to check whether the polymesh is uniformly stretched or whether the metal mask sheet is uniformly stretched.
Patent KR-20220137318-A (KR)
Inventor: LEE YOUNG HWAN
IPC: H01R4/2416
Filed: 2021-04-02
Abstract: The present invention relates to a connector for connecting electric wires, comprising: a wire connection terminal (10); a housing base (20) having first and second wire arrangement units (21, 22) extending along the direction of the length in which wires are disposed on both sides where the first and second connection units of both ends of the terminal are located, and facing each other in an upwardly open state with walls standing upright on both sides in the width direction, respectively; and a housing cover (30) covering an upper portion of the housing base and having first and second wire seating units (31, 32) extending along the longitudinal direction to correspond to the first and second wire arrangement portions. Therefore, the first and second wire arrangement units are provided with first and second bending support units which allow one side of the wire disposed along the length direction to be bent in the width direction, so that the wire is caught and supported when tensioned in the longitudinal direction of the wire. As a result, it is possible to continuously maintain a stable connection state without the wires being separated by external force, etc., thereby imparting product reliability. In addition, by providing an intermediate guide wall having a wall guide protrusion on the housing base and providing wall guide rails on the corresponding housing cover, respectively, the housing cover can be stably coupled to the housing base in place. As a result, it is possible to block the rattling of the housing cover in advance, and to obtain effects such as being able to provide the stability of the wire connection accordingly.
Patent KR-20220141065-A (KR)
Inventor: HWANG HYEON JEONG
IPC: H01L23/485
Filed: 2021-04-12
Abstract: A semiconductor package comprises: a semiconductor chip; a lower rewiring layer disposed below the semiconductor chip and including a plurality of lower insulating layers, a plurality of lower rewiring patterns, and a plurality of lower conductive vias; a lower passivation layer disposed under the lower rewiring layer; an under bump metallization (UBM) pad disposed in a lower portion of the lower passivation layer; a UBM protective layer covering an upper surface and both sides of the UBM pad and connected to the lower conductive vias; and an external connection terminal connected to a lower surface of the UBM pad. A lower surface of the UBM pad has a first depth from a lower surface of the lower passivation layer.
Patent KR-20220126609-A (KR)
Title: Mutant of Corynebacterium glutamicum with enhanced L-lysine productivity and method for preparing L-lysine using the same
Inventor: KIM HA EUN
IPC: C12P13/08
Filed: 2021-04-21
Abstract: The present invention relates to a Corynebacterium glutamicum mutant with improved L-lysine production ability and a method for producing L-lysine using the same. The mutant strain increases or enhances the expression of a gene encoding aspartate semialdehyde dehydrogenase to improve the yield of L-lysine production compared to a parent strain.
Patent KR-20220158883-A (KR)
Inventor: KIM SOO YEON
IPC: G09G3/3275
Filed: 2021-05-24
Abstract: A display device is provided. The display device comprises: a display panel comprising a light-emitting element that emits light and pixels connected to a data line and a sensing line; a timing control unit that varies a driving frequency of the display panel based on an input frequency of digital video data; and a data drive unit that supplies a data voltage to the data line based on the digital video data during a data addressing period of a frame period and receives a sensing signal from the sensing line during a sensing period. The data drive unit connects the sensing line to an initialization voltage line during the data addressing period when the digital video data is changed, and connects the sensing line to high impedance during the data addressing period when the digital video data does not change.
Patent KR-20220159812-A (KR)
Inventor: JEON MAN SEON
IPC: H02P3/14
Filed: 2021-05-26
Abstract: According to the present invention, a power generation device comprises: a rotor formed on a rotation shaft that rotates when a vehicle is braked; and a stator formed to face the rotating rotor. The stator may be formed to reciprocate between a first position facing the rotor and a second position farther from the rotor than the first position.