baber/WOPTO huggingface dataset:
Patent KR-102026793-B1 (KR)
Inventor: CHO SUN SIK
IPC: B66D1/60
Filed: 2019-06-03
Granted: 2019-11-04
Abstract: According to the present invention, a wired drone system comprises a wired drone and a power supply device, wherein the wired drone includes: a wired drone body; a drone control unit controlling the wired drone; a first winch which a wire including a power line for supplying power to the wired drone body is wound around or unwound from; a first winch motor controlling rotation of the first winch if connected to the first winch according to control of the drone control unit; and a first tension sensor measuring first tension applied to the wire connected to the first winch, and the power supply device includes: a device body; a device control unit controlling the power supply device; a second winch which the wire including the power line is wound around or unwound from; a second winch motor controlling rotation of the second winch if connected to the second winch according to control of the device control unit; a second tension sensor measuring second tension applied to the wire connected to the second winch; and a power supply unit supplying power to the wired drone body through the power line. According to the present invention, the system enables the wired drone to make a normal flight using the two winches even though not performing a work for separating the wire from an obstacle when the wire of the wired drone is caught in the obstacle.
Patent KR-102110917-B1 (KR)
Inventor: KIM DONG KUK
IPC: E04H12/22
Filed: 2019-06-04
Granted: 2020-05-14
Abstract: The present invention relates to an angle-adjustable parasol holder. More specifically, a coupling support is inserted, fixed, and coupled to a vertical coupling hole of a binding bracket formed vertically of a fixed support driven and fixed to the ground. An angle adjustment part is coupled to an upper part of the coupling support. A direction adjustment part is connected to an angle adjustment bar of the angle adjustment part to adjust the position of a parasol while adjusting the installation angle and the front and rear, and left and right installation direction of the parasol coupled to the direction adjustment part. One side of the vertical coupling hole of the binding bracket is cut and is coupled to insert and guide a rotation preventing piece of the coupling support and fix it by fixing bolt fastening. The direction adjustment part is bolted by inserting insertion parts of first, second, and third coupling means into a fixed pipe part or an insertion pipe part while forming inclined parts corresponding to each other in an insertion portion to be tightly coupled. Since the present invention can be used in a simpler and more robust manner than before, it is possible to greatly improve the convenience of use and installation safety.
Patent KR-102060417-B1 (KR)
Title: Multi welding equipment
Inventor: CHOI JAE HYOK
IPC: B23K9/10
Filed: 2019-06-05
Granted: 2019-12-30
Abstract: The present invention provides a multi-welding apparatus which is easily installed and moved. The multi-welding apparatus comprises: a main body; a first filter unit to remove a noise signal from an alternating current inputted from the outside; a first input rectifying unit to rectify an alternating current into a direct current; a first flattening unit to remove ripples from a direct current; a first inverter unit to convert a direct current into an alternating current; a first output rectifying unit to rectify an alternating current outputted by the first inverter unit into a direct current to be outputted through a first welding means and a first ground unit; a first driving unit to control supply of a welding wire, control a direct current value outputted to the first welding means through the first output rectifying unit, and control whether to output a direct current to the first welding means through the first output rectifying unit in accordance with the temperature of the first welding means; a second filter unit to remove a noise signal from an alternating current inputted from the outside; a second input rectifying unit to rectify an alternating current into a direct current; a second flattening unit to remove ripples from a direct current; a second inverter unit to convert a direct current into an alternating current; a second output rectifying unit to rectify an alternating current outputted by the second inverter unit into a direct current to be outputted through a second welding means and a second ground unit; a second driving unit to control an operation of the second welding means, control whether to supply welding gas, control a direct current value outputted to the second welding means through the second output rectifying unit, control whether to output a direct current through the second output rectifying unit by temperature measurement, and prevent generation of a high frequency to the second welding means; and a third driving unit to control a direct current value outputted to the second welding means.
Patent KR-102229753-B1 (KR)
IPC: H04B10/70
Filed: 2019-06-11
Granted: 2021-03-19
Abstract: 본 발명은 레이저 다이오드(1) 구성용 프로그램이 설치된 컴퓨터(115)와 연결된 FPGA 회로를 이용하여 레이저 다이오드 드라이버의 가변 펄스를 생성 및 제어하는 장치로써, 레이저 다이오드(1)를 제어하는 레이저 다이오드 드라이버 제어 보드(100); 상기 레이저 다이오드 드라이버 제어 보드(100)와 연결되어 레이저 다이오드(1)를 구동하는 레이저 다이오드 구동 보드(108) 및 레이저 다이오드(1)를 정합하는 레이저 다이오드 정합보드(112)를 포함하고, 상기 레이저 다이오드 드라이버 제어 보드(100)는, 레이저 다이오드(1)의 펄스를 생성하고 제어하는 FPGA(106)를 포함하는 것을 특징으로 한다.
Patent KR-102164618-B1 (KR)
Title: Swirler having fuel manifold, and a combustor and a gas turbine including the same
Inventor: CHOI IN CHAN
IPC: F23R3/02
Filed: 2019-06-11
Granted: 2020-10-12
Abstract: The present invention relates to a swirler having a fuel manifold, and a combustor and a gas turbine including the same. The swirler includes: a swirler body disposed between the inner circumferential surface of a fuel nozzle and the outer circumferential surface of a center body; a fuel injection hole disposed on the swirler body; a fuel manifold unit connected to a fuel passage disposed inside the center body and a fuel injection hole and formed inside the swirler body; and a vortex mitigating means formed at a fuel inlet unit of the fuel manifold unit and mitigating generation of a vortex in the fuel flowing from the fuel passage to the fuel manifold unit. According to the present invention, stable fuel injection is enabled by minimizing the generation of a fuel vortex in the fuel manifold disposed inside the swirler.
Patent KR-102279425-B1 (KR)
IPC: G21F1/10
Filed: 2019-06-13
Granted: 2021-07-21
Abstract: 본 발명은 방사선 검사 장치에 적용 가능한 방사선 차폐 시스템 및 방법에 관한 것으로서, 본 발명의 일 실시 예에 따른 시스템은, 방사선 검사 장치의 콜리메이터(Collimator)와 평행하게 배치되도록 콜리메이터의 일 영역에 장착 가능한 피검체 촬영부, 피검체 촬영부에 의해 수집된 피검체의 이미지들을 기초로 머신러닝 알고리즘을 이용하여 차폐가 필요한 신체영역을 분석하고, 분석된 결과를 기초로 피검체의 차폐영역 및 차폐강도를 결정하는 차폐영역 검출부, 콜리메이터와 피검체의 사이에 배치되도록 콜리메이터의 일측 단부에 장착 가능하며, 격자무늬를 형성하는 복수개의 채널들로 구성된 차폐부 및 차폐영역 검출부에 의해 결정된 차폐영역 및 차폐강도를 기초로 차폐부의 채널들 각각에 대한 전류의 흐름을 제어하는 제어부를 포함할 수 있다.
Patent KR-102261496-B1 (KR)
IPC: G08B17/06
Filed: 2019-06-14
Granted: 2021-06-04
Abstract: 본 발명은 복수의 활동공간을 지닌 양방향 교신의 화재 신고시스템에 관련되며, 화재감지를 위해 화재 전용카메라와 화재센서 중 적어도 어느 하나 이상을 택일하거나 병행하여 구비하는 화재감지부; 화재감지부와 양방향 통신이 가능하도록 설치하고, 화재감지부에서 감지된 신호를 저장하는 화재신호수신부; 화재감지부와  양방향 통신이 가능하도록 설치하고, 화재감지부에서 감지된 문자ㆍ음성ㆍ영상 등을 저장하는 이벤트발생 저장부; 및 화재발생 시 이벤트발생 저장부에서 화재신호수신부와 이벤트발생 저장부의 해당 문자 및 음성경보와 영상 등을 스마트폰이나 중앙관제센터의 모니터로 실시간 형태의 해당상황 확인이 가능하도록 설치하고, 소방서ㆍ경찰서ㆍ해당 건물 관련자 등에게 무선시스템 형태로 자동 통보하는 무선통보부를 구비하는 이벤트발생 관제부를 포함하여 이루어지는 것을 특징으로 한다. 
이러한 본 발명에 따르면, 화재감지부 및 방범감지부를 활용하여 범죄 및 화재 발생하는 즉시 범죄 및 화재장면 등을 실시간으로 해당 상황을 신속 정확하게 해당 경보 및 실시간 해당 영상을 명확하게 알려줌은 물론, 실시간으로 경찰서ㆍ소방서ㆍ해당 관련자가 외부에서  바로 확인하도록 하면서 음성ㆍ문자ㆍ영상 등의 방법으로 즉각 통보해 줌과 아울러 무선으로 이어지는 사전 신고시스템을 구축하여 다수의 인명과 재산피해 등을 조기에 차단할 수 있는 효과를 제공한다.
Patent KR-102260121-B1 (KR)
IPC: G06T7/80
Filed: 2019-06-17
Granted: 2021-06-02
Abstract: 본 발명은 카메라 캘리브레이션을 위한 체커보드 및 이를 이용한 자동 타겟 인식 방법 및 그 장치에 관한 것으로, 더욱 상세하게는 탈부착이 가능한 블랍(blob)을 체스보드 혹은 소정의 패턴을 가진 보드에 부착하여 카메라 캘리브레이션을 위해 필요한 체커보드를 제시하고, 상기 제시된 체커보드의 일부만 촬영되거나 상기 체커보드를 촬영한 영상의 회전, 이동, 기울어짐 등이 나타나는 경우에도 상기 체커보드의 타겟을 자동으로 인식함으로써, 상기 체커보드만 촬영하면 어떠한 경우에도 카메라 캘리브레이션을 수행하여 카메라의 초점거리, 주점위치, 렌즈왜곡계수 등의 카메라 내부표정요소를 효과적으로 결정할 수 있는 카메라 캘리브레이션을 위한 자동 타겟 인식 방법 및 그 장치에 관한 것이다.
Patent KR-102189818-B1 (KR)
Title: Game theory based hybrid frequency assignment methods and system thereof
Inventor: LEE HYUNGJOO
IPC: H04W72/04
Filed: 2019-06-18
Granted: 2020-12-11
Abstract: The present invention is to designate a frequency using a distributed system-based frequency designation algorithm (distributed algorithm: DA) and a hybrid algorithm (HA) using game theory. The present invention relates to a game theory-based hybrid frequency designation method, which comprises: a first step of creating an undirected graph from the topography of a specific area and designating a frequency based on a central system; a second step of segmenting the topography using a k-means algorithm; and a third step of updating the designated frequency based on a distributed system applying a game theory to the divided topography.
Patent KR-102232610-B1 (KR)
IPC: H01R13/703
Filed: 2019-06-24
Granted: 2021-04-19
Abstract: 본 발명은 전원 플러그가 삽입되는 소켓을 복수개 구비하여 각각의 기기에 전원을 공급할 수 있는 멀티 콘센트에 관한 것으로서, 적어도 하나의 전원 플러그가 삽입될 수 있도록, 직육면체 형상의 하우징에 복수개가 일렬로 직렬 배치되는 소켓과, 상기 소켓 마다 개별적으로 전원을 제어할 수 있도록 상기 소켓 인근에 각각 설치되고, 한 쌍의 전원 입력 단자와 한 쌍의 전원 출력 단자가 형성되는 소켓 스위치와, 상기 소켓에 설치되어 상기 소켓에 삽입되는 상기 전원 플러그의 접지 단자와 접촉되는 접지 커넥터와, 상기 접지 커넥터에 연결되는 그라운드 커넥터와, 상기 소켓에 설치되어 일측에 상기 전원 플러그에 형성된 한 쌍의 전기 단자가 삽입되는 전기 단자 삽입부가 형성되고, 타측에 상기 소켓 스위치의 상기 전원 출력 단자가 삽입되는 출력 단자 삽입부가 형성되는 소켓 전원 커넥터 및 상기 하우징의 일측에 설치된 메인 스위치와 복수의 상기 소켓 마다 설치된 상기 소켓 스위치를 연결할 수 있도록, 일측에 상기 소켓 스위치의 상기 전원 입력 단자가 삽입되는 입력 단자 삽입부가 형성되는 메인 전원 커넥터를 포함하고, 상기 출력 단자 삽입부 및 상기 입력 단자 삽입부는, 내측으로 마주한 형상으로 동그랗게 말린 한 쌍의 컬링(Curling)부가 형성되어, 상기 컬링부에 의해 상기 전원 출력 단자 또는 상기 전원 입력 단자와 접속될 수 있다.
Patent KR-102028307-B1 (KR)
Inventor: LEE KI HYUN
IPC: B65G59/04
Filed: 2019-06-25
Granted: 2019-11-04
Abstract: According to the present invention, a mesh net body transfer apparatus comprises: a stacker (100) on which a mesh net body is stacked; a pacing unit (200) spaced apart from the stacker by a predetermined distance; and a transfer device (300) transferring the mesh net body to the placing unit while reciprocating between the stacker and the placing unit, wherein the transfer device (300) includes: a body (310) coupled to a guide block moved along a rail and lifted from the guide block; a sensor (320) provided on the body and detecting weight of the mesh net body; a separating plate (330) provided on the body; an inner fixed board (340) fixed to the body and provided on an upper side of the separating plate; a plurality of lifting dividing boards (350) provided on the upper side of the separating plate; a plurality of lowering dividing boards (360) provided on the outside of the separating plate; and a controller (370) controlling driving of the guide block, the body, the lifting dividing board and the lowering dividing board.
Patent KR-102047807-B1 (KR)
Title: Supporting Equipment Of Jumper Line
Inventor: JANG SANG WON
IPC: H01B17/06
Filed: 2019-06-28
Granted: 2019-11-22
Abstract: The present invention relates to a jumper line support device for overhead distribution comprising an insulator (10), a jumper line connection case (20), an overhead distribution line connection case (30), a connection bar (40), a tension spring (50), a first magnet (60), a guide mark device (70), a first hanging device (80), a second magnet (90), an adhesive solution moving plate (100), an adhesive solution storage device (110), and a second hanging device (120). The present invention can stably support a jumper line (JL) while electrically connecting an overhead processing line (AL) to the jumper line (JL) by stably connecting the jumper line to the overhead processing line (AL), and can clearly and visually check the movement of the overhead distribution line (AL) and the jumper line (JL) according to the deflection of the overhead distribution line (AL), thereby quickly checking the dangerous condition of the overhead distribution line (AL) and the jumper line (JL).
Patent KR-102615125-B1 (KR)
IPC: G06T5/00
Filed: 2019-07-05
Granted: 2023-12-19
Abstract: 영상 노이즈 저감 시스템, 방법, 및 상기 방법을 실행시키기 위한 컴퓨터 판독 가능한 프로그램을 기록한 기록 매체가 개시된다. 영상 노이즈 저감 시스템은, 노이즈 속성 산출부, 디노이징 강도 산출부, 및 디노이징 수행부를 포함한다. 노이즈 속성 산출부는 영상처리에 의해 발생하는 영상 노이즈에 대한 노이즈 변환 속성을 포함하고 영상의 화소 위치에 대응하는 노이즈 속성을 산출하고, 디노이징 강도 산출부는 노이즈 속성에 대응하는 디노이징 강도를 산출하며, 디노이징 수행부는 디노이징 강도에 따라 영상에 대한 디노이징을 수행한다.
Patent KR-102109401-B1 (KR)
Title: METHOD FOR PURYFING WASTED SOLUTION COMPRISING N-methyl-2-pyrrolidone
Inventor: SHIM SUNG WON
IPC: C07D207/26
Filed: 2019-07-08
Granted: 2020-05-12
Abstract: The present invention relates to a method for purifying a waste N-methyl-2-pyrrolidone (referred to as NMP) mixed liquid. More specifically, the present invention relates to a method for purifying the waste NMP mixed liquid using a base. The method for purifying waste NMP enables high purity NMP to be recovered by simultaneously removing NMS and GBL by applying a base.
Patent KR-102081237-B1 (KR)
Title: Ventilation and Energy Saving Air Purifier
Inventor: LEE JUNBEOM
IPC: F24F12/00
Filed: 2019-07-10
Granted: 2020-02-25
Abstract: The present invention relates to a ventilation and energy saving-type air purifier comprising: a body case (10) providing a selective flow path of indoor air and outdoor air; a filter unit (20) selectively filtering indoor air and outdoor air inside the body case (10), measuring the degree of contamination, and providing the same to a control unit (60); a total heat exchange unit (30) performing heat exchange in a flow process of indoor air and outdoor air in the body case (10); a damper unit (40) regulating the air flow of indoor and outdoor air into the body case (10); a blowing unit (50) forcing indoor air and outdoor air to flow in the body case (10); and the control unit (60) controlling the operations of the filter unit (20), the damper unit (40), and the blowing unit (50) according to a measured contamination value of air provided by the filter unit (20). According to the present invention, air purification and ventilation can be simultaneously performed, user convenience can be significantly increased by automatically controlling the air purification and ventilation according to the degree of contamination of indoor air and outdoor air, and the efficiency of heat exchange performed in a ventilation process and ventilation performance can be significantly increased.
Patent KR-102268025-B1 (KR)
IPC: B41J11/00
Filed: 2019-07-16
Granted: 2021-06-28
Abstract: 한약 파우치에 복용 정보를 설계 상의 위치에 정확하고 정밀하며 조재 과정에서 실시간으로 표시할 수 있는 마킹 장치가 제공된다. 
상기 마킹 장치는 인쇄물을 이송하는 이송부; 상기 이송부에 의해 인입되는 인쇄물을 감지함에 따라, 인입 시간 정보를 생성하는 인입 감지 센서; 상기 인입 감지 센서에 의해 감지된 인쇄물이 이송됨에 따라, 인쇄물의 이송 속도와 인쇄 속도를 동기화시키는 엔코더; 상기 엔코더를 통과한 인쇄물에 마킹을 수행하는 헤드부; 상기 인입 감지 센서와 상기 엔코더와 상기 헤드부와 전기적으로 연결되는 전자 제어 유닛을 포함하고, 상기 전자 제어 유닛은 인입 시간 정보가 생성되면 상기 엔코더를 리셋한 다음, 리셋된 상기 엔코더의 엔코더 값에 따라 상기 헤드부의 마킹 시점을 설정하는 것을 특징으로 한다.
Patent KR-102536184-B1 (KR)
IPC: G16H10/60
Filed: 2019-07-17
Granted: 2023-05-23
Abstract: 본 발명의 일 실시 예에 따른 건강검진 결과지 생성 시스템은 검진장치, 판독장치 및 사용자 단말과 통신을 수행하기 위한 통신부 및 검진장치로부터 수신한 피검진자의 검진정보가 판독장치로 전달되도록 하고, 판독장치로부터 검진정보에 대한 판독정보를 수신하면 사용자 단말에 대하여 판정 인터페이스가 제공되도록 하기 위한 제어부가 포함되고, 판정 인터페이스에서는 사용자 단말로부터의 입력신호를 통해 검진정보 및 판독정보에 기초하여 건강검진 결과지 작성이 가능하다.
Patent KR-102032736-B1 (KR)
Title: Barrier of offshore structure
Inventor: SHIN WON HYEOP
IPC: B63B15/00
Filed: 2019-07-22
Granted: 2019-10-16
Abstract: The present invention relates to a barrier for a marine structure. Specifically, according to one embodiment of the present invention, the barrier for a marine structure includes: a base plate; a post member rotationally installed on the base plate; a guard member coupled to the post member; a sensing unit provided on the post member and measuring rotational angle of the post member; and a damping unit connected to the base plate and the post member and providing damping force corresponding to a measured value of the sensing unit to the post member.
Patent KR-102252607-B1 (KR)
IPC: E02F9/26
Filed: 2019-07-23
Granted: 2021-05-17
Abstract: 본 발명은 굴착공사시 지하매설물 파손을 예방하기 위한 시스템에 관한 것이다. 본 발명에서는 GPS모듈, IMU센서, 동영상카메라, 디스플레이부 및 AR 모듈을 탑재한 사용자단말기를 굴삭장비의 운전자석에 설치하고, 굴삭장비의 버켓에도 GPS 모듈을 설치한다. 공사 현장 내 지하매설물의 위치정보, 사용자단말기의 위치정보를 이용하여 단말기에 디스플레이되는 실사화면에 지하매설물을 증강현실로 구현하여, 사용자가 굴착공사에서 지하매설물의 위치를 실시간으로 확인할 수 있도록 한다. 또한 버켓부가 지하매설물에 근접하면 알람을 송출하여 굴착 과정에서 지하매설물이 파손되는 것을 방지할 수 있다.
Patent KR-102184792-B1 (KR)
Inventor: CHOI JONG KOOK
IPC: G01R1/067
Filed: 2019-08-01
Granted: 2020-11-30
Abstract: The present invention relates to a device for inspecting an electronic component including: a first shield unit including a plurality of first through-holes which penetrate up and down in a state spaced apart from each other, and accommodating a probe pin for a signal in some of the first through-holes; and a bushing provided in a structure fitted around an outer periphery of the probe pin for a signal to hold the probe pin for a signal in the first through-hole.
Patent KR-102088465-B1 (KR)
Title: The outer surface temperature measurement assembly of the rectangular battery cell
Inventor: KANG DONG WON
IPC: H01M10/42
Filed: 2019-08-01
Granted: 2020-03-12
Abstract: The present invention relates to an assembly for measuring the temperature of a rectangular battery cell. More specifically, the present invention relates to an assembly for measuring the temperature of a rectangular battery cell, which can be inserted between a plurality of rectangular battery cells accommodated in a battery pack to measure temperature in real time and can improve cooling efficiency by circulating air through formation of an open space among the rectangular battery cells.
Patent KR-102062860-B1 (KR)
Title: Power transmission and power distribution cable tray apparatus
Inventor: RIM SUN O
IPC: F16L3/227
Filed: 2019-08-01
Granted: 2020-01-06
Abstract: The present invention relates to a power transmission and distribution cable tray apparatus, which prevents a plurality of cables installed on a tray from being horizontally moved, and can prevent insulation coating of the cables from being damaged. According to the power transmission and distribution cable tray apparatus of the present invention, a power cable installed on a tray can be installed in parallel in a longitudinal direction of the tray, and a plurality of cables can be fixed to be continuously positioned at a set position to prevent bending of the cables due to a conventional fixing method using a cable tie or a binding band. Also, damage to insulation coating can be prevented, and movement of a power cable due to movement of the cable tie or the binding band along a rung can be prevented. In addition, vibration of a cable tray can be absorbed through an anti-sliding unit when earthquake or strong impact is generated, and damage to a hanger apparatus due to collision with the cable tray caused by having the cable tray biased to one side can be prevented, thereby preventing an electrical accident.
Patent KR-102059778-B1 (KR)
Title: An agricultural insulation fabric comprising a coating and UV-proof coating
Inventor: YEU KWON TAK
IPC: D03D11/02
Filed: 2019-08-12
Granted: 2019-12-26
Abstract: The present invention relates to an agricultural insulation fabric which is installed to cover an appearance of a vinyl green house in summer or winter in order to prevent heat from being transmitted between objects, and provides UV blocking and damp-proof functions. The present invention has a UV coating layer and a damp-proof coating layer and comprises a space unit (3) formed by sewing and overlapping an upper side fabric (1) and a lower side fabric (2) at equidistant intervals so that upper and lower parts form a tunnel. The present invention can be produced in existing facilities and accordingly, produces novel insulation fabrics without facility investments such that product competitiveness is increased and a manufacturing cost is reduced.
Patent KR-102266065-B1 (KR)
IPC: G06F21/46
Filed: 2019-08-27
Granted: 2021-06-17
Abstract: 얼굴 이미지 매칭률 기반의 사용자 인증을 통해 보안 문서에 대한 권한을 제공하는 전자 단말 장치 및 그 동작 방법이 개시된다.  본 발명은 사용자로부터 임의의 하나의 보안 문서에 대한 문서 파일의 열람 명령이 수신되면, 사용자에게 얼굴을 인식시키도록 요청함과 동시에 비밀번호를 입력하도록 요청한 후, 카메라를 통해 상기 사용자의 얼굴 이미지가 수신되고, 상기 사용자로부터 상기 사용자의 비밀번호가 수신되면, 복합 정보 저장부에 저장되어 있는 복수의 사용자들의 얼굴 이미지와 상기 사용자의 얼굴 이미지 간의 특징점 비교를 통해 이미지 매칭률이 최대인 얼굴 이미지를 식별한 후, 상기 비밀번호를 기초로 상기 사용자를 인증하고, 상기 사용자에 대한 인증이 완료되면, 상기 보안 문서에 대한 문서 파일을 실행하여 상기 보안 문서를 화면 상에 표시함으로써, 인증이 완료된 사용자에게만 보안 문서에 대한 열람 권한을 제공할 수 있다.
Patent KR-102062871-B1 (KR)
Title: Sensor cover for preventing attachment of marine organism
Inventor: LEE HO YOUNG
IPC: G01D11/28
Filed: 2019-09-02
Granted: 2020-01-07
Abstract: A sensor cover for preventing attachment of a marine organism includes: a cover body having a side wall part providing a space storing a sensor bundle having an optical sensor and a non-optical sensor and an upper plate part blocking one side end portion of the side wall part; a power providing unit coupled to the cover body and providing power; an ultraviolet ray providing unit providing ultraviolet rays generated by using the power to the sensor bundle so as to prevent marine organisms from being attached to the sensor bundle; and an ultraviolet ray blocking unit preventing sensing errors of the optical sensor from being generated while the ultraviolet rays is introduced into the optical sensor when the optical sensor perform sensing.
Patent KR-102078052-B1 (KR)
Title: Apparatus for stabiling flatness using a variable resistor
Inventor: JUNG SEUNGWOO
IPC: H03H9/46
Filed: 2019-09-04
Granted: 2020-02-18
Abstract: Disclosed is a flatness stabilization apparatus using a variable resistor which is inserted between a band-pass filter of a communication system and a power amplifier to stabilize the flatness of an output signal. The flatness stabilization apparatus comprises: a forced matching resistance unit which performs impedance matching between an input terminal, wherein the input terminal is a rear end of the band-pass filter, and an output end, wherein the output end is a front end of the power amplifier; a directionality determination unit which is connected to the forced matching resistance unit to determine the directionality of the frequency characteristics of a passband and the range of the signal strength of the passband; a flatness adjustment unit which includes a variable resistor for varying a slope of the frequency characteristics of the passband within the range of the signal strength of the passband that is determined by the directionality determination unit; a resonator circuit unit which determines a frequency at which a loss value of the passband becomes minimum; and a matching unit which performs impedance matching between a first part consisting of the forced matching resistance unit, the directionality determination unit, and the flatness adjustment unit and a second part consisting of the resonator circuit unit.
Patent KR-102101582-B1 (KR)
Title: Cleaning Tool
Inventor: LIM HONG KIL
IPC: A01D7/04
Filed: 2019-09-06
Granted: 2020-04-16
Abstract: The present invention relates to a cleaning tool capable of efficiently disposing of foreign substances having small particles. The cleaning tool includes: a rake unit having a plurality of rake blades; an auxiliary rake attached to a middle portion of the rake unit, and provided thereon with a brush; a retractable rod having a tip portion inserted and coupled to a lower end of the rake unit; a fixed rod into which the retractable rod is inserted so as to slide relative to an outer surface of the retractable rod; a connection end rod configured to connect the retractable rod to the fixed rod such that a small diameter portion of the connection end rod slidably reciprocates with an outer diameter portion of the retractable rod, and a large diameter portion of the connection end rod is interference-fitted to the fixed rod; an adjustment member press-fitted to a lower end of the retractable rod to move the retractable rod forward or rearward according to a left or right rotation of the fixed rod; and a lighting unit mounted at a front center of the rake unit.