baber/WOPTO huggingface dataset:
Patent KR-20190103414-A (KR)
Title: 상향링크 측정 기준 신호 전력 제어 방법, 네트워크 장치, 및 단말 장치
Inventor: ZHANG LEIMING
IPC: H04W52/32
Filed: 2017-12-12
Abstract: 본 출원의 실시예는 상향링크 측정 기준 신호 전력 제어 방법, 네트워크 장치, 및 단말 장치를 제공한다.  상기 상향링크 측정 기준 신호 전력 제어 방법은, 네트워크 장치가 상향링크 측정 기준 신호의 전력 지시 정보를 생성하는 단계 - 전력 지시 정보는 송신 전력 목표 값, 송신 전력 조절 값, 및 경로 손실 정보 중 적어도 하나를 포함하고 있음 -; 및 네트워크 장치가 전력 제어 정보를 단말 장치에 송신하는 단계를 포함한다.  본 출원의 실시예에서 제공되는 상향링크 측정 기준 신호 전력 제어 방법에 따르면, 단말 장치가 전력 지시 정보에 기초하여 사운딩 참조신호를 네트워크 장치에 송신하고, 네트워크 장치가 단말 장치가 사운딩 참조신호를 송신할 때 사용되는 송신 전력을 정확하게 제어할 수 있도록, 네트워크 장치가 전력 지시 정보를 생성하고, 전력 지시 정보는 전술한 3가지 유형의 정보 중 적어도 하나를 포함하고 단말 장치에 지시된다.
Patent KR-20200011411-A (KR)
Title: 탄수화물 결합 단백질을 격리시키는 당중합체
Inventor: PFISTER HELENE BLANCHE
IPC: A61P31/04
Filed: 2018-03-15
Abstract: 본 발명은 탄수화물-결합 단백질 (CBP)에 결합하는 탄수화물 리간드 및 모이어티, 뿐만 아니라 이들 탄수화물 리간드, 및 CBP-매개된 세포독성, 응집, 또는 면역 복합체 침착물 형성과 연관되는 질환의 진단과 요법에서 이들의 용도에 관한 것이다. 특히, 본 발명은 각각, (i) 세균 외독소, (ii) 아글루티닌, 그리고 (iii) 면역 복합체 침착물-형성 면역글로불린의 군에 속하는 CBP에 의해 결합되는 탄수화물을 모방하는 다수의 상기 탄수화물 리간드 및 모이어티를 포함하는 중합체에 관계한다. 게다가, 본 발명은 CBP-매개된 세포독성, 응집, 또는 면역 복합체 침착물 형성과 연관되는 질환의 진단에서뿐만 아니라 치료를 위한 이들 중합체, 그리고 탄수화물 리간드 및 모이어티 각각의 용도에 관한 것이다.
Patent KR-20190126905-A (KR)
Title: 수경 재배용 시드 페이퍼 제조 장치 및 수경 재배용 시드 페이퍼 제조 방법
Inventor: MIYAHARA TAKAKAZU
IPC: A01G31/02
Filed: 2018-05-10
Abstract: 본 발명은, 수경 재배에 의한 미숙 야채 등의 생산에 있어서, 파종 작업을 큰 폭으로 생력화(省力化)하기 위한 시드 페이퍼를 염가로 제공한다. 화장지와 같은, 수가분해지로 이루어지는 박엽지(薄葉紙)의 장척 대지를 대지 공급부(A)로부터 공급하고, 그 일면에, 접착제 적용부(C)에서 소정의 간격으로 수가용성 접착제를 부착시킨다. 그 장척 대지(11)의 일면 상에 다수의 종자(13)를 재치하고, 장척 대지(11)를 끌어올리는 것에 의해, 접착제에 부착하지 않았던 종자를 장척 대지로부터 제거한다. 그 후, 대지 이송ㆍ종자 압착부(E)에서, 장척 대지(11)를 종자(13)보다도 부드러운 1쌍의 롤러(51, 52)에 의해 사이에 끼워 압접하여, 시드 페이퍼(15)를 제조한다. 이 시드 페이퍼(15)에는, 장척 대지(11)에 복수의, 대상 종자(13)와 대략 동일한 평면 형상을 가지고, 해당 대상 종자의 높이의 1/10~1배의 깊이를 가지는 오목부가 마련되어 있으며, 각 오목부의 내부에, 해당 대상 종자가 수가용성 접착제에 의해 접착되어 있다.
Patent KR-20190129992-A (KR)
Title: 화학 증폭형 레지스트 재료 및 레지스트 패턴 형성 방법
Inventor: NAKAGAWA HISASHI
IPC: G03F7/004
Filed: 2018-03-07
Abstract: EUV, 전자선, 이온빔, KrF 엑시머 레이저 및 ArF 엑시머 레이저 등의 250㎚ 이하의 파장을 갖는 방사선을 이용한 패턴 형성기술에 있어서, 높은 감도와 우수한 리소그래피 특성 양쪽을 고수준으로 달성 가능한 레지스트 재료의 제공을 목적으로 한다.  본 발명은, 일부 조사 공정과, 전체면 조사 공정과, 가열 공정과, 현상 공정을 구비하는 리소그래피 프로세스에 있어서, 상기 감광성 수지 조성물로서 사용되는 화학 증폭형 레지스트 재료로서, (1) 산의 작용에 의해 상기 현상액에 가용 또는 불용이 되는 베이스 성분과, (2) 방사선 조사에 의해 감방사선성 증감체 및 산을 발생하는 성분을 포함하고, 상기 (2) 성분이, 하기 (a) 및 (b) 성분, 하기 (b) 및 (c) 성분, 또는 하기 (a) 내지 (c) 성분 모두를 함유하고, 상기 (b) 성분이, 산의 작용에 의해 분해하고 하기 식 (A)로 표시되는 화합물을 발생하는 전구체를 포함하는 화학 증폭형 레지스트 재료이다.
Patent KR-20190130157-A (KR)
Title: 봇들에 대한 의도-기반 검색을 위한 기술들
Inventor: BLANDIN WILLY
IPC: G06F9/44
Filed: 2017-04-17
Abstract: 봇들에 대한 의도-기반 탐색을 위한 기술들이 설명된다. 일 실시예에서, 장치는 봇-서비스 시스템에서 복수의 봇들에 대한 복수의 봇 능력 카탈로그들을 수신하도록 동작하는 봇 애플리케이션 인터페이스 구성요소로서, 상기 복수의 봇 능력 카탈로그들의 각각은 연관된 봇에 대한 봇 능력을 자연 언어로 표현하는, 상기 봇 애플리케이션 인터페이스 구성요소; 사용자 클라이언트 디바이스로부터 사용자 서비스 프롬프트를 수신하는 것으로서, 상기 사용자 서비스 프롬프트는 자연 언어로 표현되는, 상기 사용자 서비스 프롬프트 수신하기; 및 상기 사용자 클라이언트 디바이스로부터 사용자 서비스 프롬프트를 수신하는 것에 응답하여 상기 사용자 클라이언트 디바이스에 대해 하나 이상의 선택된 볼트들을 식별하도록 동작하는 클라이언트 통신 구성요소; 및 상기 복수의 봇 능력 카탈로그들에 대해 상기 사용자 서비스 프롬프트를 매칭시킴으로써 상기 복수의 봇들 중 하나 이상의 선택된 봇들을 결정하도록 동작하는 상호작용 프로세싱 구성요소를 포함할 수 있다. 다른 실시예들이 설명되고 주장된다.
Patent KR-20190141796-A (KR)
Title: 페라이트 기반 서큘레이터에 관련된 장치 및 방법
Inventor: CRUICKSHANK DAVID BOWIE
IPC: H01F7/02
Filed: 2012-05-04
Abstract: 페라이트 기반 서큘레이터에 관련된 장치 및 방법이 개시되어 있다.  서큘레이터에 사용되는 페라이트 디스크는, 밀접 배치된 주파수를 갖는 무선 주파수 신호를 라우팅할 때 상호 변조 왜곡을 감소시키도록 구성될 수 있다.  상호 변조 왜곡에 있어서의 이러한 감소는 페라이트 디스크의 가장자리 부분에서 자화를 조절하여 달성될 수 있다.  예로서, 가장자리 부분에서 포화 자화가 감소된(4PiMs) 페라이트 디스크는 변조 왜곡을 감소시킬 수 있다.  가장자리 부분이 감소된 4PiMs를 갖는 예시적인 구성이 개시되어 있다.
Patent KR-20200037140-A (KR)
Inventor: KABIR M SHAFIQUL
IPC: H01L23/498
Filed: 2018-08-23
Abstract: 제 1 전기 회로 소자에 의해 커버되는 인터포저 장치의 분획을 한정하는 제 1 측면 상에 제 1 전도체 패턴; 및 제 2 전기 회로 소자로 연결되는 제 2 측면 상에 제 2 전도체 패턴을 포함하는 인터포저 장치. 제 2 전도체 패턴은 제 1 전도체 패턴에 전기적으로 커플링된다. 인터포저 장치는 제 1 전기 회로 소자에 의해 커버되는 인터포저 장치의 분획 내에 배열된 복수의 나노구조 에너지 저장 장치를 더 포함한다. 각각의 나노구조 에너지 저장 장치는 적어도 하나의 제 1 복수의 전도성 나노구조; 나노구조를 임베딩하는 전도 제어 재료; 제 1 복수의 나노구조에서 각각의 나노구조에 연결된 제 1 전극; 및 전도 제어 재료에 의해 제 1 복수의 나노구조에서 각각의 나노구조로부터 분리된 제 2 전극을 포함한다.
Patent KR-20200019880-A (KR)
Title: 충전식 배터리 팩 유닛
Inventor: THAITCHANA MURUTHI SUBRAMANIAM VELALAR
IPC: B23K26/244
Filed: 2018-06-11
Abstract: 본 발명은 셀 극을 가진 충전식 배터리 셀 및 집전체를 포함한 충전식 배터리 팩 유닛에 관한 것이며, 상기 셀 극은 연결 영역에서 집전체와 재료 결합 방식으로 연결되고, 셀 극의 벽 두께와 집전체의 두께의 비는 최대 2.0이고 집전체는 구리로 형성된다.
Patent KR-20200143219-A (KR)
Inventor: PARK CHANG OH
IPC: B25B13/46
Filed: 2020-01-07
Abstract: The present invention relates to a socket which can be engaged with a wrench to be used. More specifically, the present invention relates to a functional socket which can be engaged with a wrench to be used in accordance with the size of the socket. To this end, according to the present invention, in a first socket (100) which is able to tighten or loosen bolts and nuts, the first socket (100) comprises: a first protection unit (110) which protects exterior and internal apparatuses of the first socket (100); a pillar unit (123) penetrating the first protection unit (110); a bearing gear unit (210) placed inside the first protection unit (110); a sawtooth gear unit (132) vertically engaged with the bearing gear unit (210); a floor unit (122) placed on an upper side surface of the pillar unit (123); and a cover (140) which can be engaged and released.
Patent KR-20210089020-A (KR)
Title: Coolant valve
Inventor: KIM CHUL MIN
IPC: F01P7/14
Filed: 2020-01-07
Abstract: The present invention relates to a coolant valve, which comprises: a body unit; a first flow path unit connected to the body unit, and having coolant introduced from the outside; a second flow path unit connected to the body unit, spaced apart from the first flow path unit, and discharging the coolant to the outside; and first and second through-holes for connecting the first and second flow path units, and selectively supplying the coolant discharged through the second flow path unit to the first flow path unit. Therefore, in accordance with the present invention, a reservoir tank is vertically assembled in the coolant valve, and a through-hole for connecting the coolant valve and the reservoir tank is realized, such that desired coolant flow can be generated on a coolant flow schematic diagram of the coolant valve. Accordingly, an assembly with the reservoir tank is improved, such that detachment and attachment to a system is easy even in after sales work, and the parallel flow of the coolant through the reservoir tank can be generated on the coolant flow schematic diagram of the coolant valve.
Patent KR-20210089441-A (KR)
Title: A cosmetic vessel equipped with magnets
Inventor: KIM YONG HWI
IPC: A45D33/00
Filed: 2020-01-08
Abstract: The present invention relates to a cosmetic container having a magnet, and more specifically, to a cosmetic container including: a main body in which cosmetics are accommodated; and a main body opening/closing part in which the main body is opened while the main body is closed or separated from the main body while being mounted on the main body, and further including: a first magnet mounted on the main body; and a second magnet mounted on the main body opening/closing part, wherein an upper magnetic pole and a lower magnetic pole of the first magnet are opposite, and an upper magnetic pole and a lower magnetic pole of the second magnet are opposite.
Patent KR-20210089461-A (KR)
Title: A robot cleaner using artificial intelligence and control method thereof
Inventor: CHULMO SUNG
IPC: H04W4/02
Filed: 2020-01-08
Abstract: According to the present invention, a robot cleaner using artificial intelligence comprises: a driving unit moving a main body; a cleaning unit performing a cleaning function; a sensing unit sensing a surrounding environment; an image sensing unit photographing the surrounding environment to acquire image data; a transceiving unit transmitting a signal through a wireless network; and a control unit performing cleaning in a cleaning area to generate a map for the cleaning area based on the image data and information sensed through the sensing unit and the image sensing unit, and controlling to perform homing in a route passing through an area in which the wireless network can be used. Therefore, the wireless network strength of each area can be provided while providing a space map similar to real indoor space. Also, a homing signal can be provided for a user terminal by changing to a route in which the wireless network can be used when homing by providing the space map and the wireless network strength together.
Patent KR-20210091526-A (KR)
Title: Smart farm system
Inventor: KIM JEE HONG
IPC: A01G9/24
Filed: 2020-01-14
Abstract: The present invention relates to a smart indoor farm system. More specifically, the smart indoor farm system comprises: a main frame (10); a spray unit (16) located on an upper side of the main frame (10) and provided to spray water in the form of fine particles; a storage unit (20) which stores water falling from the spray unit (16); a plant growth unit (30) located on a lower side of the storage unit (20) and provided to receive water from the storage unit (20) and grow a plant; a water tank unit (40) which filters and stores water of the plant growth unit (30); and a water pump provided to supply water of the water tank unit (40) to the storage unit (20) and supply water of the storage unit (20) to the spray unit (16).
Patent KR-20210092074-A (KR)
Title: Semiconductor device and method of fabricating the same
Inventor: CHO MIN HEE
IPC: H01L21/02
Filed: 2020-01-15
Abstract: According to the technical idea of the present invention, a semiconductor element comprises: a substrate having an active region and an element separation region; a flat plate structure disposed on the substrate; an oxide semiconductor layer that covers an upper surface of the flat plate structure and is continuously disposed on the active region and the element separation region; a gate structure disposed on the oxide semiconductor layer and having a gate dielectric layer and a gate electrode; and source/drain regions disposed on both sides of the gate structure and formed in the oxide semiconductor layer. When viewed from a side cross-section, an extending direction of the flat plate structure and an extending direction of the gate structure cross each other. Therefore, manufacturing processes of the semiconductor element can be simplified.
Patent KR-20210096737-A (KR)
Title: Method for facilitating diagnosis of fundus image, apparatus therefor and system including the same
Inventor: PARK SANG MIN
IPC: G06N20/00
Filed: 2020-01-29
Abstract: Provided are a method for supporting reading of a fundus image and a device using the same. The method includes the steps of: extracting a first feature information from a first fundus image of a subject based on a machine learning model; generating a second fundus image having a second feature information by mapping an adversarial factor to the first fundus image so that the first feature information is changed; and providing the first fundus image having the first feature information and the second fundus image having the second feature information to an external entity. Therefore, it is possible to read more accurately using the comparable fundus image.
Patent KR-20210101572-A (KR)
Title: Composition for preventing or improving skin damage by ultraviolet comprising compounds derived from Sargassum horneri extracts
Inventor: AHN GINNAE
IPC: A61Q17/04
Filed: 2020-02-10
Abstract: By being able to effectively prevent and improve skin damage caused by ultraviolet rays by showing a cellular protective effect in response to oxidative stress caused by the ultraviolet rays through strong antioxidant action, a compound derived from Sargassum horneri extract of the present invention can be usefully used to prevent or improve various skin diseases induced by excessive ultraviolet irradiation.
Patent KR-20200017448-A (KR)
Title: Method for producing Detoxicated Sulfur(hwanggeumdan)
Inventor: YOO SANG KI
IPC: A61K9/20
Filed: 2020-02-10
Abstract: The present invention relates to a method for manufacturing a golden ball, which is detoxified sulfur removing toxic components of sulfur and having a high arthritis treatment effect. More specifically, a sulfur detoxification method which repeats a step of melting and solidifying sulfur, a step of immersing the same into flowing water, followed by aging the same in underground, can significantly reduce heavy metals in sulfur. In addition, since detoxified sulfur manufactured by the method exhibits a significant arthritis treatment effect, the method of the present invention can be usefully used as a method for removing heavy metals in sulfur, and also as a method for manufacturing detoxified sulfur having the significant arthritis treatment effect.
Patent KR-20210109375-A (KR)
Title: Preparation method for Strawberry jam with antioxidant activity and Strawberry jam made therefrom
Inventor: KIM U JIN
IPC: A23L5/00
Filed: 2020-02-27
Abstract: The present invention relates to strawberry jam with antioxidant activity, which maximizes activity of antioxidant components while maintaining sweetness and storability, and a manufacturing method thereof. According to the present invention, the manufacturing method comprises: a step of pretreating strawberries; an antioxidant material manufacturing step of selecting and preparing an antioxidant material in a gel state by freeze-drying to powder; a step of mixing the pretreated strawberries, fructooligosaccharide, an antioxidant sweetener, lemon juice, and the antioxidant material; a step of inputting the mixture of the strawberries, the fructooligosaccharide, the antioxidant sweetener, the lemon juice, and the antioxidant material into a vacuum concentrator; a step of vacuum-concentrating the mixture while maintaining a temperature of 70 to 80℃ in the vacuum concentrator while heating for 5 to 6 hours; and a step of packaging the vacuum-concentrated strawberry jam.
Patent KR-20210111437-A (KR)
Title: Curtian wall for protection against wind
Inventor: KANG MIN SEONG
IPC: E06B3/263
Filed: 2020-03-03
Abstract: The present invention provides a curtain wall for sealing a connection unit of a glass support. The curtain wall comprises: a vertical frame having a glass support on the front surface thereof; a horizontal frame horizontally arranged on a side of the vertical frame and also having a glass support; and a fastening bracket attached to one side of the vertical frame to couple the horizontal frame. One end of the glass support of the horizontal frame is tightly attached to one side of the glass support of the vertical frame. A horizontal glass separation prevention unit for preventing separation of glass is coupled to the front surface of the glass support of the horizontal frame. A filling space forming port separated from a vertical cap of the vertical frame by a prescribed distance to be formed to form a silicon filling space is formed on the inside of the horizontal glass separation prevention unit. The horizontal glass separation prevention unit is covered with a horizontal cap. A silicon injection hole communicating with the silicon filling space to inject silicon into the silicon filling space is drilled on one side of the horizontal glass separation prevention unit. An inner gap between connection units of the glass supports formed on one side of the horizontal frame and the vertical frame of the curtain wall, which was impossible to seal, can be perfectly sealed. Indoor space can be insulated and the inflow of dust and rainwater into the indoor space can be blocked by perfectly sealing the inner gap between the connection units of the glass supports formed on one side of the horizontal frame and the vertical frame of the curtain wall by silicon.
Patent KR-20210112459-A (KR)
Title: Revitalizing the Sharing Economy through Time-sharing Food Trucks
Inventor: Kang sung kyun
IPC: G07C1/32
Filed: 2020-03-05
Abstract: In order to vitalize usage of a time-sharing food trucks, a means for using various time-sharing food trucks by one membership-based RFID card is essentially required, and it is also essentially required to record accumulated mileage usage records in a personal card. For management, time-sharing food truck individual usage data is needed to settle a usage fee. To perform quantitative measurement and confirmation, it is necessary to check a time sharing point for each unique card number, and to record accumulated resettled time-sharing points after repeated usage of other various time-sharing food trucks. In addition, to continuously reuse a time-sharing food truck like a personal food truck, a reservation timer function is required so that a third-party time-sharing food truck member is temporarily restricted from using the same. Also, a function of recording time-sharing points in an RFID card to prevent usage during a reservation time. Meanwhile, in a self-lock key in a time-sharing food truck, provided is a black box function of recording a time-sharing food truck driving accident analysis and user basic information, and driving status data is recorded. Thus, responsible management of a time-sharing food truck is induced. A management recording device which allows an insurance company to check necessary actions in case of damage due to shared usage is recorded in a separate memory within a self-lock key.
Patent KR-20210113698-A (KR)
Title: Hybrid electric charging system that uses renewable energy to charge battery banks and e-mobility
Inventor: CHUNG TAE HYUNG
IPC: B60L53/53
Filed: 2020-03-08
Abstract: The present invention relates to a charging system for supplying power to a battery bank and e-mobility by complexly using a commercial power system and a solar power generation system which is new renewable energy. The charging system comprises: a power supply unit supplying electricity by using commercial power and supplying power for charging an electric vehicle; a solar power generation system unit outputting direct power by using the solar power generation system; a power storage unit charging the electricity supplied from the power supply unit or the solar power generation system unit; an e-mobility charging unit for charging the battery tank and the e-mobility; and a control server monitoring and controlling each component.
Patent KR-20210114664-A (KR)
Title: Anti-obesity composition comprising sword bean extract or soybean fermented extract as an active ingredient
Inventor: SEONG YOON JI
IPC: A61P3/04
Filed: 2020-03-11
Abstract: The present invention relates to an anti-obesity composition including a horse bean extract or fermented horse bean extract as an active ingredient. The composition according to the present invention is effective for preventing and treating obesity. According to the present invention, a solid content remaining after reflux extraction (hydrothermal extraction) is extracted by using an extraction solvent. In this manner, it is possible to obtain a horse bean extract containing a higher content of genistin and soya saponin-I, -II and -III, as compared to a horse bean extract obtained by direct extraction of horse beans using an extraction solvent, while not removing the extract extracted through reflux extraction. In addition, the composition according to the present invention includes a natural herbal medicine safe to human body as an active ingredient, and thus shows significantly high safety.
Patent KR-20210117692-A (KR)
Title: Apparatus and method for providing local-based gift certificate service
Inventor: KONG DAESIK
IPC: G06Q20/38
Filed: 2020-03-20
Abstract: Disclosed are an apparatus and a method for providing a region-based gift certificate service which can provide guide information linked to sightseeing in a corresponding region with accepting store information for a registered local gift certificate. According to one embodiment of the present invention, the method for providing a region-based gift certificate comprises: a step of receiving a gift certificate registration request including type information of a gift certificate and identification information of the gift certificate from a user terminal; a step of transmitting point conversion details in accordance with the gift certificate registration request to the user terminal; a step of displaying accepting store information of the points on the user terminal; a step of receiving transaction information using the points from at least one between the user terminal and a member store terminal provided in a store included in the accepting store information; and a step of generating donation information linked to the user terminal and including deduction details of prescribed points determined based on the received transaction information, and recording the generated donation information in a previously constructed blockchain network.
Patent KR-20200034705-A (KR)
Title: Method and apparatus for setting torque
Inventor: SEUNGYONG HYUNG
IPC: A61H3/00
Filed: 2020-03-24
Abstract: Provided are a method and an apparatus for setting torque of a walking assist device. To set the torque, a rotation angle and rotation angular velocity of the walking assist device are measured. The magnitude of the set torque may be calculated based on the rotation angle and rotation angular velocity of the walking assist device. The method for setting torque includes the following steps of: calculating a torque setting; and setting the torque to the walking assist device.
Patent KR-20210119221-A (KR)
Title: Enforced Antithrombosis activity, granule-type azuki bean powder containing Natural fruit juice and manufacturing Method thereof
Inventor: KSH
IPC: A23L33/135
Filed: 2020-03-24
Abstract: The purpose of the present invention is to provide antithrombotic activity-enhanced granular red bean powder using natural fruit juice and red bean powder and a method of manufacturing the same. The present invention consists of blending banana juice, kiwi juice and blueberry juice in a mixture of boiled red bean powder, xylitol, and lactic acid bacteria powder, granulating and drying the same. The antithrombotic activity-enhanced granular red bean powder using natural fruit juice and red bean powder of the present invention has the characteristics of being easy to ingest by processing and is provided as a health supplement which is useful for preventing and alleviating cardiovascular and cerebrovascular diseases by the combination of nutrients from red bean and natural fruit juice and excellent antithrombotic activity.
Patent KR-20210120271-A (KR)
Title: Trash removal machine with self-generation function
Inventor: SUNG KI SUB
IPC: F03B17/06
Filed: 2020-03-26
Abstract: Provided is a dust removal machine with a self-generation function, which can generate electricity by itself, can produce and store electricity, and can be operated by itself even if power supply is cut off. The dust removal machine with a self-generation function comprises: a screen having a gap overlapping the entrance of a waterway and passing water, and a blocking unit for blocking floating matters flowing down by a water current; a frame for fixing the screen, and supported on the wall surface of the waterway; a chain drive unit installed on the frame to rotate continuously in one direction along the circumference of the frame; a rake which has one end coupled to the chain drive unit to move continuously together with the chain drive unit, rakes the floating matters caught on the front of the screen, and raises the same to the top of the screen; a motor drive unit for rotating the chain drive unit; and a power generation unit installed on at least one of the frame or the wall surface of the waterway to generate electricity by the water current passing through the waterway and provide the same to the motor drive unit.