baber/WOPTO huggingface dataset:
Patent KR-102153523-B1 (KR)
Inventor: RAH JONG NAM
IPC: B01F7/00
Filed: 2020-01-22
Granted: 2020-09-08
Abstract: The present invention relates to an impeller for stirring a high viscosity fluid. According to the present invention, the impeller for stirring a high viscosity fluid which is designed to increase stirring efficiency of the high viscosity fluid by having an inner blade disposed on the inside of the impeller to lower the fluid, and an outer blade disposed on the outside of the impeller to raise the fluid. The inner blade is formed at a predetermined angle from a virtual axial line, which is extended from the center of the outer blade to the center of an impeller hub, to the rotational direction of the impeller hub, thereby providing an effect of increasing mixing efficiency of the high viscosity fluid.
Patent KR-102190185-B1 (KR)
IPC: C01G23/047
Filed: 2020-01-23
Granted: 2020-12-11
Abstract: 이산화티탄(TiO 2 )   나노 입자는 향상된 일정한 입자, 균일한 입자 크기를 가지며, 습식 화학 가수분해로부터 제조된 메조 세공 크기 범위에서 균일한 입자 내 세공(intra-particle pores)을 포함한다.
Patent KR-102118618-B1 (KR)
Inventor: MOK JEONGHAN
IPC: G01R1/073
Filed: 2020-02-26
Granted: 2020-06-04
Abstract: The present invention relates to a micro cantilever probe pin card with a noise blocking structure and, more specifically, to technology that improves a needle structure of a simply insulated probe pin card to increase insulation characteristics and minimize effects of electromagnetic wave, temperature, and humidity corresponding to external noise in a femto-level measurement environment to increase measurement accuracy. According to the present invention, the micro cantilever probe pin card comprises: a substrate part; a needle installed in the substrate part and having a predetermined section coated with a main insulation layer; and a coaxial cable installed in the substrate part to be connected to the needle to receive a measurement signal of the needle. A copper tube part made having a shape surrounding the main insulation layer is formed in the section having the main insulation layer formed therein of the needle. A protection layer made of an insulation material is formed inside the copper tube part to protect the main insulation layer from physical bending of the copper tube part.
Patent KR-102196394-B1 (KR)
Inventor: KWON YOUNG MUN
IPC: B08B1/04
Filed: 2020-03-11
Granted: 2020-12-30
Abstract: A vehicle door rail cleaning device is disclosed. The vehicle door rail cleaning device comprises: a base unit where a door rail is mounted; a transfer body unit installed on an upper surface of the base unit, installed in a longitudinal direction of the door rail to be slid and lifted, and having an air supply flow passage; a rotary grinder installed to be rotated in a lower portion of the transfer body unit; a brush unit installed to be rotatable in the rotary grinder and inserted into the door rail to remove foreign substances from the inner surface of the door rail; and an air injection unit installed in the transfer body unit to supply cleaning air toward the brush unit.
Patent KR-102128439-B1 (KR)
Title: Apparatus for coupling of bracelet
Inventor: KIM WOO JIN
IPC: A44C5/20
Filed: 2020-03-12
Granted: 2020-06-30
Abstract: The present invention relates to a technology capable of inserting and fastening a rotatable fastener provided in a second fastening unit based on a foldable hinge unit into an opening/closing unit provided in a first fastening unit, and easily detaching a bracelet from a wrist of a user by opening and closing the fastener from the opening/closing unit by necessity. Provided is a device for fastening a bracelet comprising the first fastening unit and the second fastening unit which are faced to each other based on a foldable hinge unit and are provided in an end of a body. The first fastening unit comprises a connecting unit which is extended to a body and forms a step upwardly and downwardly. The connecting unit includes a connecting hole which is horizontally formed in an end, and the opening/closing unit which is formed in a part in which a step of a lower part comes in contact with the body. The second fastening unit includes a connecting unit which is vertically extended to the body in which a control groove is formed and forms the step upwardly and downwardly. The connecting unit comprises a connecting pin which is horizontally projected to an end, and is inserted and connected to the connecting hole, and a through-hole which is formed to be adjacent to the control groove. A fastener is fastened to the through-hole through a fixing means, and is formed in a structure to be provided on both sides of the body. A control protrusion is projected to an inside of the structure and is inserted into the control groove. An opening/closing protrusion is inserted and fastened to the opening/closing unit by being projected to an inside of the structure to be faced to the control protrusion. The fastener is characterized in that the control protrusion is rotationally controlled within a longitudinal range of the control groove around the fixing means.
Patent KR-102122022-B1 (KR)
Title: Turbocharger assembly and installation method thereof
Inventor: KO CHANG SOO
IPC: F01D25/28
Filed: 2020-03-13
Granted: 2020-06-11
Abstract: The present invention relates to a turbocharger coupling structure, which comprises: a turbocharger (1); and an exhaust flange structure (6) installed on the turbocharger (1) via a predetermined bracket (4). The exhaust flange structure (6) has a predetermined protrusion part (6a) extending to the outside of an axial pipe region part axially installed at an end toward the turbocharger (1). The bracket (4) is installed on the turbocharger (1) through a bolt member (5), and has a second protrusion part (4a) protruding to lower and upper portions. The exhaust flange structure (6) has the protrusion part (6a) inserted into a space between the turbocharger (1) and the second protrusion part (4a) to be installed to communicate with the turbocharger (1). Therefore, firstly, an outlet direction of exhaust gas from a turbocharger can be freely adjusted, thereby freely setting a layout of an exhaust line of all devices, such as a vehicle, an industrial device, a ship, a generator, and a construction device using an engine with one flange specification. In addition, a space can be sufficiently secured at the surroundings, and thus, the operation is very easy during assembly, and fixing and maintenance are easy in the future.
Patent KR-102326524-B1 (KR)
IPC: B23K37/02
Filed: 2020-03-27
Granted: 2021-11-15
Abstract: 본 발명은, 상호 용접되기 위한 복수의 밀봉부재가 기설정된 배열로 안착되는 용접프레임, 용접프레임을 일측 방향으로 이송하는 제1 이송부, 제1 이송부의 하부에 대향하게 구비되고, 용접프레임을 타측 방향으로 이송하는 제2 이송부, 제2 이송부의 일측부 및 타측부에 각각 승강 가능하게 구비되어, 제1 이송부를 따라 일측 방향으로 이송된 용접프레임을 제2 이송부로 하강시키고, 제2 이송부를 따라 타측 방향으로 이송된 용접프레임을 제1 이송부로 상승시켜 초기위치로 복귀시키는 승강부 및 제1 이송부의 상부에 구비되고, 용접프레임에 안착된 복수의 밀봉부재 간의 연결부위를 용접하는 용접부를 포함하는 엘엔지 화물창용 밀봉벽 용접 자동화 장치를 제공한다.
Patent KR-102259535-B1 (KR)
Title: Thermoelectric materials with improved thermal conductivity and thermoelectric merit figure
Inventor: KIM SANG IL
IPC: H01L35/18
Filed: 2020-03-30
Granted: 2021-06-01
Abstract: The present invention relates to a thermoelectric material and a thermoelectric device. In particular, the present invention relates to the thermoelectric material including a compound represented by a chemical formula 1 and the thermoelectric device including the same. The chemical formula 1 is Bi(2-x-y)CuxSbyTe(3-j)Sj. In the chemical formula 1, each of the x, y, and j has the following ranges that 0 < x <= 0.02, 0 < y < 2, 0 < x + y < 2, 0 < j <= 0.5.
Patent KR-102191043-B1 (KR)
Title: Drying device for agricultural and marine products using with microwave
Inventor: SIM WOO JUNG
IPC: F26B21/00
Filed: 2020-04-02
Granted: 2020-12-14
Abstract: The present invention relates to an apparatus for drying agricultural and marine products using microwaves. According to the present invention, the apparatus for drying agricultural and marine products using microwaves comprises: a dryer main body (10) having a drying chamber (15) therein; a plurality of transfer conveyors (20); one or more hot air blowers (30) installed in a lower part of the dryer main body (10); a microwave generator (40); a plurality of blower fans (50); and a foreign substance collection box (60). According to the present invention, it is possible to minimize deformation of an object to be dried.
Patent KR-102229760-B1 (KR)
Title: Fraction of Melissa Leaf Extract and Novel Pharmaceutical Composition Comprising the Same
Inventor: KIM MIN YOUNG
IPC: A61P27/06
Filed: 2020-04-08
Granted: 2021-03-22
Abstract: The present invention relates to a Melissa officinalis leaf extract fraction and a novel pharmaceutical composition comprising the same. In the case of a pharmaceutical composition for the prevention or treatment of obesity comprising the Melissa officinalis leaf extract fraction according to the present invention as an active component, it is possible to prevent or treat obesity by exhibiting significant weight suppression, blood triglyceride suppression, blood sugar suppression, and total cholesterol suppression effects.
Patent KR-102180279-B1 (KR)
Title: Copper plating method for inner layer of fpcb and fpcb
Inventor: KWON OH GUN
IPC: H05K3/06
Filed: 2020-04-14
Granted: 2020-11-18
Abstract: A flexible printed circuit board is disclosed. The flexible printed circuit board includes the steps of: (a) preparing an inner layer; (b) performing copper plating to form a copper plating layer on a region including a surface of the inner layer and an inner surface of a hole of the inner layer; and (c) patterning the copper plating layer so that a portion formed on the inner surface of the hole of the copper plating layer and the rest of the inner layer except for the portion formed on the surface of the portion surrounding the hole are removed. According to the present invention, a circuit can be implemented on a flexible copper clad laminate, so that circuit implementation power can be improved.
Patent KR-102320170-B1 (KR)
IPC: B28C5/42
Filed: 2020-04-16
Granted: 2021-11-02
Abstract: 본 발명은 회전형 드럼을 구비한 탈착형 콘크리트 믹서에 있어서, 메인 프레임; 상기 메인프레임의 일측에 형성되고 전후이동가능한 차량과 결합되도록 형성된 체결수단; 상기 메인 프레임의 하단에 형성된 바퀴; 상기 메인프레임의 상단에 형성되고 상기 차량의 유압라인과 연결되어 유체를 전달받아 전달받은 유체를 통해 회전하는 드럼; 및 상기 메인프레임의 타측에 형성되고 상기 드럼 내부의 내용물을 외부로 배출하는 배출수단;를 포함하는 회전형 드럼을 구비한 탈착형 콘크리트 믹서에 관한 것이다. 본 발명에 따르면, 굴착기 유압라인과의 연결을 통해 콘크리트 믹서의 드럼을 회전하게 하여 터널입구에서 공급받은 레미콘을 타설현장까지 이동하는 과정에서 재료분리 현상이 일어나지 않도록 하고, 굴착기가 정지 브레이크를 작동하면 콘크리트 믹서의 바퀴를 정지시키는 브레이크에 유압이 가해서 동시에 제동이 걸리게 하여 보다 안전하게 레미콘을 이송하는 것이 가능한 회전형 드럼을 구비한 탈착형 콘크리트 믹서를 제공할 수 있다.
Patent KR-102343388-B1 (KR)
IPC: A61H3/00
Filed: 2020-04-16
Granted: 2021-12-27
Abstract: 본 발명은 바닥면과 접촉하는 발 링크체와, 상기 발 링크체와 연결되는 발목 조인트부와, 상기 발목 조인트부의 상부에 형성되는 무릎 조인트부와, 상기 무릎 조인트부의 상부에 형성되는 힙 조인트부와, 상기 발목 조인트부와 상기 무릎 조인트부를 연결하는 제1 링크체와, 상기 무릎 조인트부와 상기 힙 조인트부를 연결하는 제2 링크체와, 상기 제1 링크체와 발 링크체 사이에 형성되고 상기 발 링크체와 상기 힙 조인트간의 전체 길이를 늘리거나 줄이는 형태로 조절하여 고관절 자유도를 보상하는 고관절 자유도 보상장치를 포함하는 슈트형 하지 로봇을 제공한다.
Patent KR-102366245-B1 (KR)
Title: 전기자극 제공장치
IPC: A61N1/32
Filed: 2020-04-29
Granted: 2022-02-22
Abstract: 본 발명은 전기자극 제공장치에 관한 것으로서, 양단부를 고정하는 고정수단을 포함하며, 특정 신체에 착용되는 벨트; 상기 벨트에 마련되어, 전기 자극을 발생하는 전기 자극 발생기; 상기 전기 자극 발생기로부터 제공되는 전기 자극을 상기 특정 신체로 출력하는 하나 이상의 전기 자극부; 및 하나 이상의 상기 전기 자극부가 착탈가능하게 결합되도록 상기 벨트에 마련되어, 상기 전기 자극 발생기로부터 발생하는 전기 자극을 상기 전기 자극부에 인가 또는 차단하는 하나 이상의 제1 전극 소켓을 포함하는 것을 특징으로 한다.
Patent KR-102236421-B1 (KR)
Title: Composition for diagnosis of Parkinson's Disease
Inventor: PARK CHI HU
IPC: G01N33/68
Filed: 2020-06-03
Granted: 2021-04-06
Abstract: The present invention provides a composition for diagnosis of Parkinson's disease, comprising a cysteine protease ATG4B (ATG4B) protein that specifically binds to an autoantibody in order to measure the level of the autoantibody against the ATG4B protein. The present invention has found that a high level of the autoantibody against the ATG4B protein is observed in a Parkinson's disease patient group, and based thereon provides a biomarker including the composition for diagnosis of Parkinson's disease which can be very useful in early screening of individuals at high risk of developing Parkinson's disease in the future and patients with Parkinson's disease, thus providing the basis that enables early diagnosis and treatment of Parkinson's disease. In addition, a method for providing information for the diagnosis of Parkinson's disease according to the present invention enables more accurate detection of Parkinson's disease in early stages by detecting an autoantibody to the ATG4B protein.
Patent KR-102198832-B1 (KR)
Inventor: CHOI HYUEK JIN
IPC: E01H12/00
Filed: 2020-06-03
Granted: 2021-01-05
Abstract: The present invention relates to a multifunctional recovery apparatus for shore adhesion oil. In the present invention, the multifunctional recovery apparatus (100) for shore adhesion oil for removing and recovering oil spilled on and adhering to the shore is mounted on a four-wheeled vehicle (110). In the front of the four-wheeled vehicle (100), a skimmer assembly for detaching the oil on the surface of rocks in the shore, and sucking and recovering the oil spilled on the shore is installed. The skimmer assembly includes a rotary skimmer (200) on which a rotary roller (210) for desorbing the oil is provided to rotate, and a vacuum suction skimmer (300) for sucking the oil floating on the water surface. At this time, the rotary skimmer (200) and the vacuum suction skimmer (300) can be used selectively or simultaneously as needed. According to the present invention with the configuration, the apparatus is mounted on a four-wheeled vehicle to facilitate movement and access in consideration of coastal characteristics and can remove and recover large quantities of oil entering the beach, shore or coast, or oil attached to the shore, thereby reducing the time and costs required for control work and achieving a safe work environment.
Patent KR-102201848-B1 (KR)
Inventor: NA SU JUNG
IPC: A61L27/58
Filed: 2020-06-11
Granted: 2021-01-11
Abstract: The present invention relates to a bioimplantable material, a bioimplantable material processing device, and a method therefor. More specifically, after a lifting thread and a nose thread, which are bioimplantable materials, are inserted into skin, the movement of the threads is prevented while being pulled upward. As a groove pulls up a skin tissue and fixes the same to an upper tissue, the sagging skin tissue can be towed for a long time. Also, because the regenerated tissue is coupled to a pierced part, a so-called vice-lifting thread for maintaining a lifting duration for a long time can be provided. According to the present invention, in a state in which a lifting thread and a nose thread corresponding to bioimplantable materials are inserted into skin and are pulled upwards, the movement of the threads is prevented. As a groove pulls up a skin tissue and fixes the same to an upper tissue, the sagging skin tissue can be towed for a long time. Also, because the regenerated tissue is coupled to a pierced part, a so-called vice-lifting thread for maintaining a lifting duration for a long time can be provided.
Patent KR-102223905-B1 (KR)
Title: High-speed inspection system for degraded steel facility by wall climbing robots
Inventor: LEE RAE CHUL
IPC: B25J19/06
Filed: 2020-06-12
Granted: 2021-03-09
Abstract: The present invention relates to a high-speed inspection system for a degraded steel facility by a wall climbing robot, where a capturing module is provided to a wall climbing robot with an RC car shape climbing a wall of a facility at high speed by using a plurality of variable propellers. The wall climbing robot captures the wall of the facility while climbing the wall to inspect a damaged state of the facility.
Patent KR-102412853-B1 (KR)
IPC: C03B11/16
Filed: 2020-06-12
Granted: 2022-06-27
Abstract: 본 발명은 피성형물을 성형하는 금형을 처리하기 위해 이송 수단을 구비한 성형 장치에 관한 것이다.  
본 발명은피성형물이 수납된 금형 유니트를 처리하는 메인 챔버; 상기 금형 유니트를 이송하기 위해 상기 메인 챔버의 일측에 마련되는 이송 수단을 포함하고, 
상기 이송 수단은,  
상기 금형 유니트의 이송 거리 전체를 이동하고, 상기 금형 유니트에 접근 및 대면하고 소정 거리 상기 금형 유니트를 이송한 다음, 다시 금형 유니트로부터 이격되고 원위치로 복귀하여 다음 금형 유니트를 이송하는 성형 장치가 제공될 수 있다.
Patent KR-102451052-B1 (KR)
IPC: A61B17/12
Filed: 2020-06-26
Granted: 2022-10-05
Abstract: 본 발명의 일 실시예는, 길이 방향으로 연장 형성되는 본체부와, 본체부에 접힙 가능하게 연결되는 복수 개의 제1프레임부와, 제2프레임부와 연결되는 본체부의 일측에 대향되는 타측에 접힙 가능하게 연결되는 복수 개의 제2프레임부 및 복수 개의 제2프레임부를 연결하며 제2프레임부를 커버하는 차단막부를 포함하며, 제1프레임부와 제2프레임부는 서로 마주보는 방향을 향해 펼침가능한 것을 특징으로 하는 우산형 색전 장치를 제공한다.
Patent KR-102215088-B1 (KR)
Title: Service providing apparatus and method for providing search intent
Inventor: PARK SEYONG
IPC: G06F16/903
Filed: 2020-07-03
Granted: 2021-02-10
Abstract: The present invention relates to an apparatus and a method for providing a service providing search intent, and more particularly, to an apparatus and a method for providing a service providing search intent to train a deep learning-based learning model to learn the correlation between a query and search intent, and support to provide accurate search intent for the query input from the user through the training model. According to the present invention, the input query of the user who wants to understand the search intent is applied to the trained learning model so that a similar query having a similarity level above a certain level with the input query is identified through entity-based property comparison, and then search intent corresponding to a similar query having a high degree of similarity to the input query is calculated as search intent of the input query to accurately identify and present the search intent of the input query, a brand, product, service, etc is applied to the learning model as an input query, one or more search intent highly relevant to the brand, product or service are provided through the learning model, and accordingly a dashboard schematized to distinguish the importance of each search intent is provided, so that the dashboard is used to help sellers establish marketing strategies.
Patent KR-102387928-B1 (KR)
Title: 의료영상을 기초로 인체 조직을 분석하는 방법 및 그 장치
IPC: A61B6/12
Filed: 2020-07-06
Granted: 2022-04-19
Abstract: 의료영상을 기초로 인체 조직을 분석하는 방법 및 그 장치가 개시된다. 조직분석장치는 3차원 의료영상을 이용하여 2차원 의료영상과 조직의 체적 정보를 포함하는 학습데이터를 생성하고, 이를 이용하여 복수의 조직이 동일평면에 중첩 표시된 2차원 의료영상에서 적어도 하나 이상의 정상 또는 질병 조직을 구분하여 3차원 크기, 체적 또는 무게를 구하는 인공지능모델을 학습시킨다. 그리고 조직분석장치는 인공지능모델을 이용하여 X선 의료영상으로부터 정상 또는 질병 조직의 3차원 크기, 체적 또는 무게를 구한다.
Patent KR-102369526-B1 (KR)
Title: 철판 자동 면취장치
IPC: B23C3/13
Filed: 2020-07-08
Granted: 2022-03-02
Abstract: 본 발명은 철판 자동 면취장치에 관한 것으로, 더욱 상세하게는 한 쌍의 커터유닛으로 철판의 양측 상하측 모서리부를 면취가공할 수 있으면서 면취량(면취깊이) 까지 조절할 수 있을 뿐만 아니라, 다양한 폭의 철판 양측을 면취가공할 수 있도록 하기 위한 것이다. 본 발명은 베이스프레임(2) 상에 설치되는 옆으로 긴 베이스판(10)의 양측 상부에 수직기둥(11)이 수직 설치되고, 양측 수직기둥(11)의 상부에는 상부수평대(12)가 수평 설치되며, 상기 베이스판(10)의 전후방 상면에는 커터유닛(30)을 좌우방향으로 안내하는 가이드레일(13)이 설치되고; 전후방측 가이드레일(13) 사이의 베이스판(10) 상에는 철판안착유닛(20)이 소정의 높이로 설치되며, 전후방측 가이드레일(13)에는 가이드레일(13)에 안내되면서 철판안착유닛(20)에 얹힌 철판의 모서리부를 면취가공하는 커터유닛(30)이 좌우로 수평이동이 가능하게 설치되고; 상기 상부수평대(12)에는 철판안착유닛(20) 상에 안착되는 철판(5)의 정중앙부와 철판안착유닛(20)의 정중앙부가 일치하도록 정렬하는 철판정렬유닛(40)과, 철판안착유닛(20) 상에서 정렬되게 안착된 철판(5)을 눌러주어 클램핑하는 철판누름유닛(50)이 각각 설치되는 구성이 포함되는 것을 특징으로 한다.
Patent KR-102414972-B1 (KR)
IPC: G09B7/04
Filed: 2020-07-08
Granted: 2022-07-05
Abstract: 본 발명은 전용 코드 입력기를 이용한 화성기호 입력 장치 및 방법에 관한 것으로, 상기 장치는 악보를 시각화 하여 제공하는 악보 제공부; 상기 악보의 화성 구간 별로 화성기호를 입력하기 위한 전용 코드(chord) 입력기를 제공하는 코드 입력기 제공부; 및 상기 악보의 진행 순서에 따라 특정 화성 구간에 대해 하이라이팅을 제공하고 상기 전용 코드 입력기로부터 수신한 화성기호를 상기 하이라이팅에 연관지어 표시하는 동작을 반복 수행하는 화성기호 표시부를 포함한다.
Patent KR-102248116-B1 (KR)
Title: Coil type heating wire manufacturing equipment that can control the amount of heat by part
Inventor: GYE WON JANG
IPC: H01B13/00
Filed: 2020-07-14
Granted: 2021-05-04
Abstract: The present invention relates to a corrugated heating wire manufacturing apparatus capable of controlling the amount of heat for each part. More specifically, the present invention relates to a heating wire for a ceramic heater used in the semiconductor manufacturing field, which is a high-tech industrial field, particularly in a deposition process. In particular, in manufacturing a heating wire made of a metal, for example, a material such as molybdenum (Mo), tungsten, or nickel-chromium, the amount of heat energy emitted for each part can be controlled by adjusting the pitch of a corrugated heating wire. Accordingly, it is possible to adjust the desired amount of emitted heat without applying a separate control device, a control circuit, or a control algorithm. Therefore, reliability and competitiveness can be improved in the semiconductor deposition process field, particularly the heater field used in a deposition process, the molybdenum heater field, and the semiconductor product field of producing products using the same, as well as similar or related fields.
Patent KR-102504823-B1 (KR)
IPC: D04B1/26
Filed: 2020-07-15
Granted: 2023-02-28
Abstract: 본 발명에 따른 덧신형 양말은 바닥부, 발등부, 측면부가 봉제되어 발을 수용할 수 있는 공간이 형성된 덧신에서 발등부 및 측면부의 내면 중 발의 수용구(입구)를 따라 일정 폭을 가지도록 밴드부 및 측면부와 접하는 면에 밴드부가 부착된 형태로 구비됨에 따라 착용 후 과격한 움직임에도 벗겨짐을 방지할 수 있으며, 신축성 및 고정력을 발현할 수 있다. 
또한 필요에 따라 발의 뒤꿈치 부분에 형성되는 밴드부의 폭을 다른 부분에 비해 크게 함으로써 발의 뒤꿈치로 전해지는 충격을 완화하고 동시에 신발과의 마찰에 따른 피부의 손상을 억제할 수 있으며, 여기에 실리콘층을 더 형성함으로써 마찰력과 완충성을 더욱 높일 수 있다.
Patent KR-102265255-B1 (KR)
Title: Systmem for educating Hangeul using english pronunciation symbol for foreigner learner
Inventor: CHOI MYUNG SIK
IPC: G09B5/06
Filed: 2020-07-21
Granted: 2021-06-16
Abstract: The present invention relates to a Korean alphabet education system using English phonetic symbols for foreign learners. According to the present invention, the Korean alphabet education system comprises: a sensor unit detecting a user's input; a consonant unit generating Korean consonants corresponding to consonants selected by the user through the sensor unit; a vowel unit generating Korean vowels corresponding to vowels selected by the user through the sensor unit; a phonetic symbol unit generating English phonetic symbols corresponding to the Korean consonants and the Korean vowels; a display unit displaying the Korean consonants, the Korean vowels, and the English phonetic symbols; and a control unit configured to closely display the Korean consonant and the English phonetic symbol corresponding thereto on the display unit and closely display the Korean vowel and the English phonetic symbol corresponding thereto on the display unit.
Patent KR-102517511-B1 (KR)
Title: 오퍼월을 이용한 광고 서비스 제공 시스템 및 방법
IPC: G06Q30/02
Filed: 2020-08-11
Granted: 2023-04-04
Abstract: 본 발명은 오퍼월을 이용한 광고 서비스 제공 시스템 및 방법에 관한 것으로, 더욱 상세하게는 자체 리워드가 없는 플랫폼을 통해 앱(Application: APP) 서비스 및 웹(WEB) 서비스 둘 중 어느 하나에 연동하여 다수의 광고미션에 따른 보상을 지급하는 오퍼월(Offerwall)을 제공하고, 오퍼월을 통한 광고미션 실행 시 상기 보상에 대응하는 자체 포인트 및 누적된 포인트에 대응하는 다양한 쿠폰을 제공하는 오퍼월을 이용한 광고 서비스 제공 시스템 및 방법에 관한 것이다.
Patent KR-102321703-B1 (KR)
Title: Photocatalyst including cerium oxide nanoparticles having selectivity in photocatalystic characteristics and method for manufacturing the same
IPC: B01J35/00
Filed: 2020-08-13
Granted: 2021-11-04
Abstract: A disclosed photocatalyst includes cerium oxide nanoparticles having a hydroxyl group (-OH) on the surface thereof and having a chemical composition represented by CeO_2-x (x is 0.4 to 0.6). The present invention improves catalyst performance.