baber/WOPTO huggingface dataset:
Patent KR-20160126445-A (KR)
Title: Camera module
Inventor: LEE DONG JIN
IPC: G03B3/10
Filed: 2015-04-23
Abstract: The present invention relates to a camera module mounted in a mobile terminal. The camera module comprises: a first lens group with a first lens having a plus (+) refraction force and a second lens having a minus (-) refraction force sequentially from an object side wherein the first and second lenses are integrally formed through a first lens barrel in the first lens group; a variable iris configured to adjust the amount of lights incident to an optical system; and a second lens group with a third lens having a minus (-) refraction force, a fourth lens having a plus (+) refraction force, and a fifth lens having a minus (-) refraction force wherein the third to fifth lenses are integrally formed through a second lens barrel in the second lens group.
Patent KR-20160126678-A (KR)
Inventor: PARK KWAN SUN
IPC: C23F11/10
Filed: 2015-04-24
Abstract: 본 발명에서는 금속의 방청을 위한  라놀린 방청제의 제조에 있어서 방청제의 방청기간을 향상시키기 위하여 이 유기 라놀린 방청제의 제조시에 실란계 코팅제를 섞어서 사용함으로서 라놀린 내부에 있는 수분과 실란계 물질의 점진적인 GEL화 반응에서 오는 점도상승으로 방청역할을 하는 라놀린 유기물의 증발 속도를 느리게 함으로서 방청지속시간을 연장시키고,  최종에는 유기방청제의 휘발과 함께 방청의 대상이 되는 금속의 표면에서는 실리콘 졸겔 코팅시스템이 작동을 하여 금속의 표면을 보호하는 역할을 해주는 혼합,기능 융합형 방청의 효과를 제공해준다.  
한 번의 코팅으로 유기방청과 미세 금속 실리콘 하이브리드 코팅에 의해서 방청의 수명을 연장하고 방청대상의 금속의 표면의 보호효과를 향상시키는 제품의 제공에 있다.
Patent KR-20160126787-A (KR)
Inventor: CHOI YONG LIM
IPC: H04L29/06
Filed: 2015-04-24
Abstract: 본 발명은 근거리 무선 통신 허브에 관한 것으로서, 원격 제어 신호를 수신하는 IP 공유기의 출력 포트와 연결되는 수신 단자; 상기 수신 단자를 이용하여 상기 원격 제어 신호를 수신하는 허브 통신부; 근거리 무선 통신을 통해 전자 기기로 상기 수신된 원격 제어 신호를 송신하는 근거리 무선 통신부; 및 상기 허브 통신부로부터 수신된 원격 제어 신호의 보안성을 검증하는 보안 IC;를 포함하는 것을 특징으로 한다.
Patent KR-20160132166-A (KR)
Inventor: YUN MIN SEON
IPC: H04B17/11
Filed: 2015-05-06
Abstract: The present invention discloses a correction method of a multi-path RF transceiver and an apparatus using the same. According to one embodiment of the present invention, a correction method of a wireless transmission apparatus comprising an array antenna having a plurality of antenna devices and a plurality of transmission paths corresponding to the antenna devices, respectively, comprises: an estimation process of estimating at least one among delay characteristics, phase characteristics, and gain characteristics of the transmission paths, based on changes of a transmission signal that has passed each of the transmission paths; a calculation process of calculating correction factors with respect to remaining other transmission paths, based on any one among the transmission paths; and a correction process of correcting the other transmission paths, based on the correction factors.
Patent KR-20160132184-A (KR)
Inventor: BYUN EUI BAEK
IPC: A61K8/34
Filed: 2015-05-06
Abstract: The present invention relates to a method for improving anti-inflammatory effects by irradiating resveratrol with radiation, and relates to a composition for alleviating the inflammation, comprising a product of resveratrol irradiated with radiation as an active ingredient. More specifically, the present invention relates to the method for improving anti-inflammatory effects by irradiating resveratrol with radiation, comprising a step of irradiating resveratrol with radiation, and relates to a composition for alleviating the inflammation, comprising a product of resveratrol irradiated with radiation as an active ingredient.
Patent KR-20160133100-A (KR)
Inventor: LEE SANG KYUN
IPC: F24C15/12
Filed: 2015-05-12
Abstract: 본 발명은 조리기기에 관한 것으로, 조리기기의 외형 사이즈를 일정하고 균일하게 제작하고 유지할 수 있는 조리기기에 관한 것이다. 본 발명은 특히 조리기기의 의형을 형성하는 구성들 사이의 간격이 일정하도록 제작하고 유지할 수 있는 조리기기에 관한 것이다. 
본 발명의 일실시예에 따르면, 조리공간을 형성하는 캐비티; 상기 캐비티의 상부에 위치되어 조리기기의 상부 외형을 이루는 상부 패널; 상기 캐비티의 전방 상부에 위치되어 조리기기의 전방 외형을 이루는 전방 패널; 상기 전방 패널의 하부에 위치되어 상기 전방 패널과 함께 조리기기의 전방 외형을 이루며, 상기 캐비티를 개폐하도록 구비되는 도어; 상기 캐비티의 측방에 위치되어 조리기기의 측방 외형을 이루는 사이드 패널; 상기 캐비티의 후방에 위치되어 조리기기의 후방 외형을 이루는 리어 패널; 그리고 상기 캐비티의 전방 상부에 고정되도록 구비되고, 상기 상부 패널, 전방 패널 그리고 상기 사이드 패널과 결합되는 프레임 브라켓을 포함하는 조리기기가 제공될 수 있다.
Patent KR-20160134913-A (KR)
Title: 기능성 탐침을 갖는 미소 캔틸레버 제조방법
Inventor: LEE JUNG CHUL
IPC: G01Q60/42
Filed: 2015-05-13
Abstract: 캔틸레버 및 캔틸레버 상에 제공되는 기능성 탐침을 갖는 미소 캔틸레버의 제조방법은, 기능성 탐침을 위한 양자점이 혼합된 액상의 탐침용 용액이 수용되며, 기능성 탐침의 형상에 대응하는 그루브를 갖는 탐침 몰드를 제공하는 단계, 기능성 탐침의 위치에 대응하여 캔틸레버를 그루브가 형성된 탐침 몰드에 접촉시키는 단계, 캔틸레버를 탐침 몰드에 접촉시킨 상태에서 그루브 내에 수용된 탐침용 용액을 경화시켜 캔틸레버 상에 기능성 탐침을 형성시키는 단계, 및 캔틸레버를 탐침 몰드에서 분리하는 단계를 포함할 수 있다.
Patent KR-20160144519-A (KR)
Title: 해수여과설비용 회전여과망의 하부 스프로켓
Inventor: CHO SUNG EUN
IPC: C02F1/00
Filed: 2015-05-18
Abstract: 본 발명은 다수 개의 캐리어 체인 이들 캐리어 체인에 설치된 여과망이 구동축에 축설된 상부 스프로켓과 연동축에 축설된 하부 스프로켓에 연결되고, 상부 스프로켓으로 전달된 동력에 의하여 상부 스프로켓이 회전함에 따라 캐리어 체인과 여과망이 대회전하는 해수여과설비에 관한 것으로, 더욱 상세하게는, 상기 하부 스프로켓은 캐리어 체인에 간섭되지 않고 미끄럼접촉되도록 원형의 외경면을 가지는 원형휠로 이루어진다. 
따라서, 캐리어 체인이 하부 스프로켓의 외경면에 접촉된 상태로 하부 스프로켓을 연동시키거나 또는 과부하 시 매끄러운 하부 스프로켓의 외경면에서 슬립되게 함으로써, 마모현상의 발생을 미연에 방지하여 캐리어 체인과 하부 스프로켓 사이의 유격발생을 예방하여 캐리어 체인과 여과망이 상부 스프로켓에 의하여 원활하게 대회전하게 하여 안정된 이물질 제거작업이 이루어지게 하고, 하부 스프로켓의 교체작업을 배제시키거나 교체작업 주기를 지연시킬 수 있게 되어 작업자의 안전을 보장함은 물론 해수여과장치가 운전정지되는 현상을 방지할 수 있게 하여 이에 따른 발전소의 손실을 줄이는 해수여과설비용 회전여과망의 하부 스프로켓을 제공한다.
Patent KR-20160137164-A (KR)
Inventor: PARK JUN YOUNG
IPC: H01R13/24
Filed: 2015-05-22
Abstract: 전도성 표면 실장 단자용 필름의 제조 방법 및 이를 포함한 솔더링이 가능한 탄성 전기접촉단자의 제조 방법은 물리적인 충격을 가하여 표면 처리한 내열필름을 구비한 전도성 표면 실장 단자용 필름을 형성하여 전도성 표면 실장 단자용 필름의 굴곡성을 향상시켜 크랙을 방지하며, 전도성 표면 실장 단자용 필름을 탄성력을 갖는 내부 재료에 감싸서 형성된다.
Patent KR-20160137201-A (KR)
Title: System and method for servicing web-based virtual field trip using flash panorama
Inventor: LEE KI YOUNG
IPC: H04N5/232
Filed: 2015-05-22
Abstract: A system for providing a web-based virtual field trip according to the present invention comprises: a web site providing server for providing a web site for performing a virtual field trip by using a flash panorama; and a terminal connecting to the web site provided by the web site providing server to display the view of a virtual field trip. The web site providing server provides the image of an actual trip region in the shape of a flash panorama on the web site, and provides the geological information of the trip region. According to the present invention, a web-based virtual field trip technology is provided by using a flash panorama technology to provide students with experiences similar to an actual field trip, thereby improving the efficiency of studying subjects related to a field trip.
Patent KR-20160001622-A (KR)
Inventor: PARK JIN HYOUNG
IPC: G06F1/16
Filed: 2015-05-26
Abstract: Disclosed is a foldable device which includes: a flexible display element having a first portion, a second portion, and a third portion located between the first portion and the second portion; and a first body and a second body which support the first portion and the second portion, are joined to be folded and unfolded to be in a folded location and an unfolded location, and have an accommodation space for accommodating a bent portion formed as the third portion is bent in the folded location. The first portion is supported by the first body to be able to move in the lengthwise direction of the flexible display element.
Patent KR-20160148254-A (KR)
Inventor: JANG YOUNG JAE
IPC: G06Q10/08
Filed: 2015-06-16
Abstract: 본 발명은 판매 속도에 기초한 재고 관리를 위한 장치, 이를 위한 방법 및 이 방법이 기록된 컴퓨터 판독 가능한 기록매체에 관한 것이다. 이러한 본 발명은 기 설정된 기간 동안 매장에서 재고가 소진되는 속도를 나타내는 판매 속도를 산출하는 판매속도산출모듈과, 상기 판매 속도에 따라 상기 매장의 재고가 모두 소진되는 잔여 재고 일수를 산출하는 재고일수산출모듈과, 상기 잔여 재고 일수가 기 설정된 기준 재고 일수 미만인지 여부를 판단하여, 상기 기준 재고 일수 미만이면, 상기 판매 속도를 고려하여 상기 매장에 배분해야 하는 상품의 배분 수량을 결정하는 배분처리모듈을 포함하는 것을 특징으로 하는 재고 배분을 위한 장치와, 이를 위한 방법 및 이 방법이 기록된 컴퓨터 판독 가능한 기록매체를 제공한다.
Patent KR-20160148405-A (KR)
Inventor: CHI HYE RYOUN
IPC: F01N3/04
Filed: 2015-06-16
Abstract: The present invention relates to a noise reducing device for a vessel, which includes: an inflow pipe into which exhaust gas is introduced; a body reducing a noise of the exhaust gas introduced through the inflow pipe; a discharge pipe discharging the exhaust gas which has gone through the body; a first sound absorption member stored inside the body; a second sound absorption member stored outside the first sound absorption member; and a water tank installed on the floor of the body to supply water to the first and second absorption members. Therefore, the present invention is capable of removing harmful gas from exhaust gas, through water absorbed by an absorption member, reducing air pollution or environmental pollution by discharging the exhaust gas, excluding the harmful gas, keeping a neighboring device or component at a low temperature by keeping the body at a low temperature through the water, smoothly discharging exhaust gas of a vessel which becomes larger or is environmentally regulated about exhaust gas, as well as removing harmful gas from the exhaust gas, meeting requirements for environmental regulation in accordance with the manufacture of the vessel, and reducing noises caused by the discharge of the exhaust gas from an engine room.
Patent KR-20160149629-A (KR)
Inventor: BAEK SEUNG TAEK
IPC: G01R31/333
Filed: 2015-06-18
Abstract: A composite test circuit for testing valve performance of high-voltage direct current (HVDC) according to an embodiment of the present invention includes a resonance circuit which includes a first test valve for testing the operation of an inverter mode and a second test valve for testing the operation of a rectifier mode; a power supply (P/S) for providing an operating voltage to the resonant circuit; and a DC/DC converter for bypassing a DC offset current of the resonant circuit. The first test valve is an inverter portion, and has a positive DC current offset. The second test valve is a rectifier portion, and has a negative DC current offset.
Patent KR-20170001234-A (KR)
Inventor: PARK SANG SU
IPC: G02B6/44
Filed: 2015-06-26
Abstract: 본 발명의 일 측면에 따르면, 내부 공간을 구획하는 프레임 조립체와, 복수 개의 DU(digital unit) 소켓이 격자상으로 배치되며 내부 공간의 일측에 배치되는 DU 소켓 패널과, 복수 개의 RU(radio unit) 소켓이 격자상으로 배치되며, DU 소켓 패널과 대향하여 내부 공간의 타측에 배치되는 RU 소켓 패널과, DU 소켓과 RU 소켓을 선택적으로 연결하는 광점퍼 케이블을 포함하는 광케이블 분배함이 제공된다.
Patent KR-20170001351-A (KR)
Title: Construction method for transfer mat and transfer mat using the same
Inventor: CHOI IK JUN
IPC: E04B5/40
Filed: 2015-06-26
Abstract: According to one aspect of the present invention, the present invention relates to a construction method of a transfer mat interposed between a column type structure (1) and a wall type structure (2). The present invention comprises: (S100) a first step of preliminarily applying temporary slab (200) on a lower structure (100); and (S200) a second step of applying a main body slab (300) on an upper portion of a temporary slab (200) to synthesize the temporary slab (200) and the main body slab (300). According to the present invention, installation of temporary materials such as a supporting post is not required to reduce a level of difficulty of a construction site and reduce a construction time.
Patent KR-20160007382-A (KR)
Title: Service reserving system and service reserving method thereof
Inventor: KUO CHIEN FU
IPC: G06Q10/02
Filed: 2015-07-06
Abstract: Provided are a service reservation system and a service reservation method thereof. The service reservation system includes: a mobile device and a server. The mobile device receives input of service reservation from a user and transmits the input of the service reservation to the server. The server is connected to a service providing party according to the input of the service reservation. The server transmits the input of the service reservation to the service providing party in order for the service providing party to respond to the server with a service reservation response. The server can complete the service reservation by transmitting a service confirmation message to the mobile device according to the service reservation response. The service reservation system and the service reservation method thereof enable a service to be automatically reserved between the user and the service providing party.
Patent KR-20170005650-A (KR)
Inventor: PARK CHAN SUL
IPC: H04M1/725
Filed: 2015-07-06
Abstract: The present invention relates to an unmanned aerial vehicle, a mobile terminal, and a control method thereof, capable of wireless communications between an unmanned aerial vehicle and a mobile terminal. According to an embodiment of the present invention, an unmanned aerial vehicle comprises: a communication unit performing wireless communications with a first mobile terminal; and a control unit performing a function corresponding to a control signal received by the first mobile terminal, wherein the control unit transmits a control request signal to a second mobile terminal, different from the first mobile terminal, based on at least one of the receiving of a predetermined control signal and the receiving of the connected signal strength while being connected to perform wireless communications with the first mobile terminal.
Patent KR-20170009515-A (KR)
Inventor: LEE KYOUNG HOON
IPC: A47J27/14
Filed: 2015-07-17
Abstract: The present invention relates to an automatic cooking apparatus and a cooking method thereof. The apparatus comprises: a cooking vessel unit where food is cooked; a water supply unit supplying edible water to the cooking vessel unit; at least one food material supply unit supplying food materials different from each other; a heating unit applying heat to the cooking vessel unit; a sensor unit detecting the quantity of edible water supplied by the water supply unit and detecting the temperature of the cooking vessel unit; and a control unit receiving information about the quantity of the edible water from the sensor unit to make the quantity of supply water of the water supply unit be a predetermined quantity, receiving information about the temperature of the cooking vessel unit from the sensor unit to adjust a heating level and time of the heating unit in order to attain a predetermined temperature, and setting time to make the food material supply unit insert a fixed food material in a predetermined time, so as to make the food material supply unit insert the fixed food material. Therefore, since the edible water, the intensity of flame, and the food material are automatically adjusted without dedicated personnel, personnel expenses are reduced and taste of food intended by a cooker can be exhibited without variation.
Patent KR-20170010519-A (KR)
Title: Membrane cleaning device with huge bubble for waste water treatment
Inventor: OH JI HYUN
IPC: C02F1/44
Filed: 2015-07-20
Abstract: The present invention provides a membrane cleaning apparatus capable of generating huge bubbles for sewage treatment, which is submerged into a tank and cleans membrane surfaces of the membrane cleaning apparatus by discharging huge bubbles. The membrane cleaning apparatus capable of generating huge bubbles for sewage treatment comprises: a bubble generation unit which discharges bubbles; a housing in which a lower front surface thereof is open to prevent sludge from being accumulated in a tank, bubbles are introduced into a lower portion thereof, an upper portion and side surfaces thereof are closed, a capture space configured to capture bubbles introduced thereinto is formed, and an outlet configured to communicate with the capture space is formed in one side of an upper portion thereof; and guide partitions which are installed inside the capture space, and which allow huge bubbles to be intermittently discharged via the outlet when the bubbles of the capture space are captured and the huge bubbles are generated. Accordingly, since the membrane cleaning apparatus is configured to be separate from a membrane bioreactor, the membrane cleaning apparatus can be compatibly installed for various membrane bioreactors, a range of application can be expanded, and a manufacturing cost can be reduced compared to that for a conventional apparatus integrated with a membrane bioreactor.
Patent KR-20170012820-A (KR)
Inventor: SHIN JONG HO
IPC: E02D29/02
Filed: 2015-07-24
Abstract: 본 발명은 옹벽의 구조를 단순화시키면서 내식성을 지니고, 요구되는 강도 또한 충족시켜줄 수 있는 섬유강화플라스틱을 이용하여 앵커 역할을 겸용함과 동시에 배수기능을 수행할 수 있도록 한 옹벽 구조물용 지반보강 겸용 배수시스템 및 이의 시공방법을 제공하는데 그 목적이 있다. 
상기한 목적을 달성하기 위한 본 발명에 따른 옹벽 구조물용 지반보강 겸용 배수시스템은 소정의 형상으로 이루어진 옹벽과; 상기 옹벽의 내부에 수평으로 설치되는 매설부와; 상기 매설부의 단부에 수평하게 연결되는 배수부와; 상기 배수부의 단부에 수평하게 연결되는 정착부와; 상기 정착부가 매립 설치되는 사면지반으로 구성됨을 특징으로 한다. 
또한, 상기한 목적을 달성하기 위한 본 발명에 따른 옹벽 구조물용 지반보강 겸용 배수시스템 시공방법은 사면지반에 정착부를 설치하는 단계; 상기 사면지반으로부터 일정간격 이격된 부분에 매설부가 내장된 상태로 콘크리트를 타설 및 양생시켜 옹벽을 시공하는 단계; 상기 매설부와 정착부 간에 배수부를 설치하는 단계; 상기 옹벽의 배면을 토사로 뒷채움 성토하는 단계로 이루어짐을 특징으로 한다.
Patent KR-20170013565-A (KR)
Inventor: YUN SEOK JU
IPC: H04B1/28
Filed: 2015-07-28
Abstract: The present invention relates to a receiver which performs an automatic gain control. The receiver comprises: a first variable gain amplifier for amplifying a signal of a first frequency band in response to a first variable gain; a second variable gain amplifier for amplifying a signal of a second frequency band generated by converting a frequency of the amplified signal of a first frequency band in response to a second variable gain; and an automatic gain control circuit for controlling at least one of the first and second variable gains to control the total gain while maintaining a gain ratio between the first and second variable gains within a target range.
Patent KR-20170014288-A (KR)
Title: Lens and lens module using the same
Inventor: MOON YOUNG PYO
IPC: G02B3/00
Filed: 2015-07-29
Abstract: The present disclosure relates to a lens to refract light of a semiconductor light-emitting device, comprising: a light-incident portion in which a light inside a lens enters; and a light-emitting portion emitting light wherein the light-incident portion has a first surface which refracts light emitted to a side surface of the semiconductor light-emitting device toward a front surface.
Patent KR-20170020136-A (KR)
Inventor: KANG DONG HYEON
IPC: H01L21/02
Filed: 2015-08-13
Abstract: The present invention relates to a wafer cleaning apparatus and a method thereof. The wafer cleaning method comprises: a first ozone tank cleaning step of cleaning a wafer in a first ozone tank containing ozone water; a HF tank cleaning step of cleaning the wafer in a HF tank containing a HF solution after the first ozone tank cleaning step; and a second ozone tank cleaning step of cleaning the wafer in a second ozone tank containing ozone water after the HF tank cleaning step. The second ozone tank cleaning step keeps the ozone water in the second ozone tank from flowing for an initial setting time, and after the initial setting time, makes the ozone water in the second ozone tank flow. Therefore, a uniform oxide film can be formed on the outer surface of the wafer in the second ozone tank cleaning step, thereby minimizing a haze pattern of the wafer.
Patent KR-20170021003-A (KR)
Inventor: JUNG HYUN MOO
IPC: F21W107/20
Filed: 2015-08-17
Abstract: The present invention relates to an LED system integrated with a speaker for a leisure vessel. More specifically, the present invention relates to an LED system integrated with a speaker for a leisure vessel which installs an LED integrated with a speaker in a leisure vessel, connects the LED integrated with the speaker by combining with wire and wireless communication networks, and controls a mobile communication terminal by interworking with an external sensor.
Patent KR-20170021495-A (KR)
Inventor: CHO JOUNG SOOK
IPC: H05B37/02
Filed: 2015-08-18
Abstract: The present invention relates to an LED distress position display terminal based on a solar cell, which comprises: a case part consisting of a lower case accommodating various parts and a cover case coupled with the lower case; a rescue light source generating part including an LED module which radiates flickering light displaying a distress position by including a protruding LED on one side of the cover case of the case part; and a power supply part which includes a solar panel consisting of a solar cell receiving light radiated to the cover case of the case part, and a storage battery part charging power generated from the solar panel to supply power to the rescue light source generating part.
Patent KR-20150102894-A (KR)
Inventor: KIM SEUNG CHAN
IPC: A61B5/01
Filed: 2015-08-18
Abstract: The present technology allows a temperature distribution of a hand to be examined in detail, thereby enabling a health examination within a partial marginal utility value. A Maxwell-Boltzmann distribution is a probability distribution applied in physics and chemistry. Usually, the Maxwell-Boltzmann distribution is used in statistical dynamic. The temperature of every physical system is generated by motions of molecules or atoms forming the system. Each of the particles has a different velocity range which uniformly changes in collision with other particles. According to the characteristics of the present invention, the present invention can be put to practical use by a cheaper C-language program; costs are low; and many factors can be non-invasively seen since the temperature of the hand is checked, thereby providing additional convenience.
Patent KR-20170022757-A (KR)
Inventor: KIM IM JUN
IPC: A61K8/02
Filed: 2015-08-21
Abstract: The present invention relates to a hydrogel-type alginate non-woven fabric mask pack. More specifically, the present invention relates to an alginate non-woven fabric mask pack which is produced in a sheet shape by mixing a calcium alginate polymeric fiber and a heterogeneous fiber together. According to the present invention, insoluble calcium alginate polymer in the calcium alginate polymeric fiber is modified with water-soluble hydrogel alginate.
Patent KR-20170024294-A (KR)
Title: Receiver structure for though-capacitor communication
Inventor: BURM JIN WOOK
IPC: H04B5/00
Filed: 2015-08-25
Abstract: The present invention relates to a communication terminal of noncontact proximity communication, which includes a first metal plate which is separated from a second metal plate of the other device to perform the communication process with a preset distance and performs a communication process by forming a capacitor. Because capacitance between the first metal plate and the second metal plate is formed, a good signal transmission is performed from a transmitting terminal to a receiving terminal based on the capacitor or impedance of the receiving terminal is increased by a method for transmitting a signal by using the capacitor formed by the metal plate between proximity devices.
Patent KR-20160028961-A (KR)
Inventor: JEONG YEONG JO
IPC: F03B15/04
Filed: 2015-08-27
Abstract: The present invention relates to a water power generation device using opening and closing windows. As the water power generation device has opening and closing windows with the one-way direction open structure as to rotary blades radially coupled to a rotation part to the radial shape, water power such as ocean current or tidal current, etc. is applied to one rotary blade facing the water power and the other rotating blade can minimize the resistance of the fluid since the switch window is opened and the ocean current or the tidal current is passed, thereby improving the rotation efficiency of the rotation part and consequentially improving power generation efficiency. The water power generation device comprises: a fixed part erectly fixed on a seabed having a rotation space with four opened surfaces wherein at least a pair of guide rails is longitudinally installed; a rotation part having a main body installed inside the rotation space of the fixed part, a buoyancy unit coupled to a lower part of the main body to maintain a height of a water level surface, a rotary shaft vertically or horizontally coupled from the main body in a lower part of the buoyancy unit, and a plurality of rotary blades positioned underwater and radially coupled to the rotary shaft to be rotated by the water power, such as ocean current or tidal current; an elevation guidance part wherein the rotation part is integrally coupled and fixed inside the rotation space and having at least a pair of guide rollers formed on an outer surface to be elevated on the guide rails; and a power generation part coupled to the rotary shaft of the rotation part to generate power using the received rotation force of the rotary shaft.