baber/WOPTO huggingface dataset:
Patent KR-20160109527-A (KR)
Title: Static var compensator(svc) system and operating method thereof
Inventor: KIM HYUN
IPC: H02J3/16
Filed: 2015-03-11
Abstract: Disclosed is a static var compensator system (SVC system) for controlling reactive power inputted/outputted to a load. The SVC system according to an embodiment of the present invention includes a thyristor switched capacitor (TSC) which is connected in series from a system and controls reactive power provided to the load, and a plurality of filters which are connected in parallel to one end of the TSC and controls the reactive power with the TSC. So, the operation of the system can be carried out without backup equipment in case of the generation of errors.
Patent KR-20160111669-A (KR)
Title: Structure of outside mirror having 2 degree of freedom
Inventor: LEE SANG HO
IPC: F16H25/20
Filed: 2015-03-17
Abstract: The present invention relates to an outside mirror structure of a vehicle and, more specifically, to a two-degree-of-freedom outside mirror structure including: a main shaft rotated by being coupled to a second gear engaged with a first gear rotated by a driving motor; a third gear selectively coupled to one side of the main shaft and rotating with the main shaft; and a fifth gear selectively engaged with a fourth gear coupled to the other end of the main shaft and coupled to a vehicle body. The outside mirror coupled to the third gear rotates around a rotary shaft when the main shaft and the third gear are coupled while the fourth gear and the fifth gear are spaced away from each other. When the main shaft and the third gear are not coupled any longer while the fourth gear and the fifth gear are engaged, the outside mirror rotates around the rotary shaft of the fifth gear. The two-degree-of-freedom outside mirror structure enables a driver to drive a vehicle in a narrow space without folding the outside mirror.
Patent KR-20160111740-A (KR)
Title: Yellow soil-carbon powder molded article for purifying air and manufacturing method thereof
Inventor: LEE KYUNG SOOK
IPC: B01D53/02
Filed: 2015-03-17
Abstract: The present invention relates to a loess-carbon particle molding body having air purifying function and a manufacturing method thereof. The loess-carbon particle molding body is formed by mixing loess and carbon particles with a plastic clay, has excellent air purifying function in comparison with a conventional activated carbon filter and a loess filter, and is used in the long term.
Patent KR-20160113375-A (KR)
Title: Chitosan Core-shell adsorbent and method for preparing the same
Inventor: YUN YEOUNG SANG
IPC: B01J20/32
Filed: 2015-03-18
Abstract: The present invention relates to a chitosan-based high-performance core-shell adsorbent, having improved adsorption properties and affinity with respect to an anionic metal by impregnating an amine group-containing cationic polymer, and relates to a manufacturing method thereof. According to the present invention, the manufacturing method of the core-shell adsorbent uses chitosan, an eco-friendly material, as a shell, and is an eco-friendly and economic method by minimizing a manufacturing process and the use of a toxic organic solvent. In addition, the adsorbent of the present invention with a core-shell structure enables a core having adsorption functions to be protected by a chitosan-shell, and provides excellent adsorption performance during the reuse. In addition, the adsorbent of the present invention has a core-shell bead structure, thereby being used and collected in various types of adsorption processes in an easy manner.
Patent KR-20160114844-A (KR)
Title: 교체주기 점검이 가능한 헤파 필터 유닛 및 이를 구비하는 클린룸 시스템
Inventor: LEE HOON SUNG
IPC: B01D46/42
Filed: 2015-03-25
Abstract: 본 발명은 내부 공간을 가지며, 공기의 유로에 장착되는 케이스와 상기 케이스에 설치되고, 상기 케이스의 입측에 구비된 공기유입구를 통해 상기 내부 공간으로 유입된 공기를 여과하는 필터와 상기 내부 공간에 직립 설치되고, 상기 필터의 양측단부에 구비되어 상기 필터의 중심을 향해 절곡되어 형성되는 프레임 및 상기 프레임의 절곡된 단부에 설치되고, 상기 케이스에 유입되어 상기 필터를 통과하는 공기의 압력 및 풍량을 측정하는 측정유닛을 포함한다.
Patent KR-20160117682-A (KR)
Title: Semiconductor light emitting device
Inventor: JEON SOO KUN
IPC: H01L33/36
Filed: 2015-03-30
Abstract: The present disclosure relates to a semiconductor light emitting device comprising: a plurality of semiconductor layers including a first semiconductor layer having a first conductivity, a second semiconductor layer having a second conductivity which is different from the first conductivity, and an active layer interposed between the first semiconductor layer and the second semiconductor layer to generate light through the recombination of electrons and holes, wherein the plurality of semiconductor layers are grown using a growth substrate; an insulating reflection film coupled with the plurality of semiconductor layers on the opposite side of the growth substrate; and a first electrode and a second electrode electrically connected to the plurality of semiconductor layers and formed to face one another on the insulating reflection film, wherein at least one of the first electrode and the second electrode includes at least one connection unit to connect a plurality of sub electrodes with a plurality of sub electrodes. The each connection unit has a smaller width than that of each sub electrode connected by each connection unit in a direction perpendicular to the connection direction.
Patent KR-20150113927-A (KR)
Inventor: OHTA TAKUHEI
IPC: C08G73/10
Filed: 2015-03-31
Abstract: The present invention provides a manufacturing method of a flexible device capable of stably separating the flexible device from a hard support, and reusing the hard support. The manufacturing method of the flexible device of the present invention comprises: a process of forming a polyimide resin layer on a hard support by applying a liquid composition including a polyimide or a polyimide precursor, on the hard support and, curing the hard support; a process of forming a functional layer on the polyimide resin layer; a process of forming a cut line on the polyimide resin layer, so that a frame body comprised of a boundary edge portion of a circumferential surface of the polyimide resin layer can be partitioned; a process of separating the polyimide resin layer of an inner area surrounded with the cut line, together with the functional layer from the hard support, and obtaining a flexible device having the functional layer of the polyimide resin layer; a process of separating the frame body of the polyimide resin layer on the hard support with a mechanical method. Furthermore, in the manufacturing method of the flexible device of the present invention, the hard support, wherein the frame body of the polyimide resin layer is removed, can be reused for manufacturing the flexible device.
Patent KR-20160122995-A (KR)
Title: 차량용 카메라 시스템
Inventor: CHO KYUNG RAN
IPC: B60R1/00
Filed: 2015-04-15
Abstract: 본 발명은 차량용 카메라 시스템에 관한 것이다. 
본 발명은 차량의 전방 환경을 촬영하는 전방 카메라; 상기 전방 카메라에서 촬영한 전방 환경에 대한 영상 정보인 전방 환경 영상 정보에서 소정 밝기 이상의 광원이 존재하면, 상기 차량의 전방에서 발생한 역광인 전방 역광이 상기 전방 환경 영상 정보에 존재하는 것으로 인식하는 전방 역광 인식부; 상기 차량의 현재 위치에 대한 위치 정보 및 현재 시각 정보를 이용하여 태양의 위치를 파악하고, 상기 태양의 위치를 통해 상기 전방 역광이 상기 태양으로 인해 발생한 태양 역광인지를 판단하는 태양 역광 판단부; 및 상기 태양 역광 판단부에서 상기 전방 역광이 상기 태양 역광이라고 판단하면, 상기 전방 환경 영상 정보에 대한 영상 전처리를 통해 상기 전방 환경 영상 정보의 명암 특성을 개선하는 영상 전처리부를 포함하는 차량용 카메라 시스템을 제공한다.
Patent KR-20150130223-A (KR)
Title: Position-measuring device
Inventor: SCHLICHTNER LUDWIG
IPC: G01D5/245
Filed: 2015-04-22
Abstract: The present invention relates to a position-measuring device. The position-measuring device comprises: a scale (1) and a scanning unit (2) which moves relative to the scale in a measurement direction (X). The scale (1) has a plurality of reference marks (12, 13) separated from each other in the measurement direction (X) and an incremental measuring graduation (11). A first marking (14) is disposed in a marking track (T1) to select one among the reference marks (12). In addition, a second marking (15) is disposed in the marking track (T1), and a switching signal (S1) can be induced by scanning the second marking (15). Two detectors (23, 24) separated from each other in the measurement direction (X) are provided in the scanning unit (2) to scan the marking track (T1).
Patent KR-20160126127-A (KR)
Title: Display apparatus having a power booting portion and method for re-booting power using the same
Inventor: KIM EUI JIN
IPC: G09G3/20
Filed: 2015-04-22
Abstract: The present invention relates to a display device. The display device comprises: a substrate unit including a microcomputer; an operating power connection part formed on the substrate part to be connected to the microcomputer, receiving operating power from the outside; a light emitting unit formed on the substrate unit to be connected to the microcomputer, having a plurality of light emitting elements to emit light by operation power; and a power booting unit which reboots the microcomputer in accordance with whether the operating power is supplied to each of the light emitting devices when the operating power is supplied. As such, rebooting is able to be performed when the light emitting elements do not emit light for a certain period of time.
Patent KR-20160125797-A (KR)
Inventor: LEE DAE HWAN
IPC: H05B3/38
Filed: 2015-04-22
Abstract: A heating window system is disclosed. The heating window system comprises a window frame having a window; a window part which includes a window frame having a transparent surface heating element and an edge frame provided along the edge of the transparent surface heating element, and is in a closed state for closing the window and an opened state for opening the window; and a power supply part for supplying power to the transparent surface heating element when the window part is closed. The transparent surface heating element includes a substrate, a pattern layer which is formed on the substrate, a heating layer which is formed on the pattern layer and includes a conductive material, and an electrode which transmits power supplied from the power supply part to the heating layer. So, the generation of dew condensation and frost can be prevented.
Patent KR-20160129180-A (KR)
Title: 천연석재 패널
Inventor: SEO IN SEOP
IPC: E04C2/26
Filed: 2015-04-29
Abstract: 최소한의 두께를 가지면서 높은 강도를 유지하며, 접합 후 분리되는 것을 최소화함은 물론 뛰어난 전열 효율성을 가질 수 있도록 천연석으로 이루어진 제1 석판층 및 제2 석판층; 상기 제1 석판층 및 제2 석판층 사이에 강도보강을 위해 개재되는 금속재질의 타공판; 및 상기 타공판과 제1 석재층 및 제2 석재층 사이에 상,하 화이버그라스 망판과 접착제를 포함하는 접합 보강층;을 포함하되, 상기 제1 석판층 및 상 화이버글라스 망판 사이의 접착제와 제2 석판층 및 하 화이버글라스 망판 사이의 접착제는 타공판에 형성된 타공 상에서 서로 연결되게 접착 형성되는 천연석재 패널을 제공한다.  
그에 따라 취급이 간편하면서 시공성이 우수함은 물론 충격에 대한 파손되거나 변형되는 것을 최소화할 수 있는 효과를 가진다.
Patent KR-20160128779-A (KR)
Inventor: KIM WON CHUL
IPC: G06Q50/26
Filed: 2015-04-29
Abstract: 사건 관련 영상의 효율적인 수집을 위한 장치 및 방법이 제공된다. 본 발명의 실시예에 따른 이동체 영상 기록 장치는 통신망으로 통하여 영상 수집 장치에 결합된다. 이동체 영상 기록 장치는 카메라, 통신 모듈, 메모리, 프로세서를 포함한다. 상기 메모리에는 카메라를 통해 획득되는 영상이 시간 및 위치로 검색 가능한 형태로 저장된다. 상기 프로세서는 상기 통신 모듈을 통하여 영상 수집 장치로부터 영상 요청을 수신하여, 상기 메모리에 저장되어 있는 영상 중 사건 관련 영상을 검색 및 인코딩하여 영상 수집 장치로 전송한다. 상기 메모리 저장된 영상은 도로 구간별로 저장될 수 있다. 영상 수집 장치는 사건 위치에서 검색해야할 도로 구간을 추출하여 영상 요청시 검색 도로 구간을 포함하여 이동체 영상 기록 장치로 전송할 수 있다. 검색 도로 구간은 이동체 영상 기록 장치에서 추출되어 영상 검색에 사용될 수 있다. 사건 관련 영상 수집 시스템은 차량용 블랙박스와 같은 이동체 영상 기록 장치뿐만 아니라 사건 위치에 인접하여 설치된 CCTV에도 영상 요청을 전송하여, 사건 관련 영상을 수집할 수 있다. 영상 수집 장치에서, 수집된 사건 영상은 도로구간별로 재정렬되거나, 시간별로 재정렬됨으로써 사건 분석이 보다 용이하게 이루어질 수 있다.
Patent KR-20160129491-A (KR)
Title: Apparatus for monitoring the inside of a lng tank
Inventor: KIM BAE HOON
IPC: F17C13/02
Filed: 2015-04-30
Abstract: The present invention relates to a device for monitoring an inside of an LNG tank. The device for monitoring the inside of the LNG tank comprises: a photographing unit which photographs an inside of the LNG tank; a tank nozzle unit which is arranged on one side of an upper part of the LNG tank to an inside direction, and receives the photographing unit; and a photographing moving unit which is arranged on an upper part of a housing to an inside direction, is connected to the photographing unit on a lower part, and elevates/rotates the photographing unit. The photographing moving unit includes: a telescopic axis which is connected to an upper part of the photographing unit, is overlapped with a plurality of axes at predetermined length units, is spread when the telescopic axis is downwardly moved, controls length by overlapping the axes when the telescopic axis is upwardly moved, and includes an axis space included in the hollow axes; and a towing unit which has a wire shape to be fixed to an upper part of the photographing unit, and upwardly and downwardly moves the photographing unit.
Patent KR-20160131621-A (KR)
Title: 병렬 처리 시스템
Inventor: PARK SUNG EUN
IPC: G06F9/48
Filed: 2015-05-08
Abstract: 병렬 처리 시스템은 토큰화 요청기, 토큰 생성기 및 코디네이터를 포함한다. 토큰화 요청기는 입력 데이터에 상응하는 토큰 결과 값을 요청한다. 토큰 생성기는 복수의 토큰 서버들을 포함하고, 복수의 토큰 서버들의 상태 정보 및 입력 데이터에 상응하는 태스크 토큰 값을 제공한다. 코디네이터는 상태 정보에 따라 결정되는 워크 로드에 기초하여 입력 데이터를 복수의 토큰 서버들에 할당하고, 복수의 토큰 서버들로부터 제공되는 태스크 토큰 값을 병합하여 토큰 결과 값을 제공한다. 본 발명의 실시예들에 따른 병렬 처리 시스템은 복수의 토큰 서버들의 상태 정보에 따라 결정되는 워크 로드에 기초하여 입력 데이터를 할당함으로써 데이터 처리 속도를 증가시킬 수 있다.
Patent KR-20150128614-A (KR)
Inventor: FUNAKOSHI CHIHIRO
IPC: C08K3/22
Filed: 2015-05-08
Abstract: The present invention provides: a curable resin composition which does not deteriorate various properties such as resolution or weldability, coating hardness, and soldering heat resistance, of which a cured product has a low dielectric constant and a low dielectric tangent, and which shows stable insulation resistance; a dry film using the same; and a printed wiring board. The curable resin composition contains at least any one of a perovskite type compound comprising a carboxylic group containing resin, calcium titanate, strontium titanate, barium zirconate, strontium zirconate and a composite oxide having the same as main ingredients.
Patent KR-20160136696-A (KR)
Title: Optical Film, Method of Manufacturing Same, And Backlight Unit and Device Including Optical Film
Inventor: LEE DAE GYU
IPC: B32B27/28
Filed: 2015-05-20
Abstract: Provided is an optical film comprising: a core layer including a first polymer and a plurality of quantum dots dispersed in the polymer; an organic/inorganic barrier layer including at least one inorganic barrier layer and at least one organic barrier layer which are positioned on the core layer; and a polymer layer including a second polymer in at least one place between the core layer and the inorganic/organic barrier layer or on an outer surface of the inorganic/organic barrier layer.
Patent KR-20160141613-A (KR)
Inventor: BAEK KWANG HYUN
IPC: H04M3/22
Filed: 2015-06-01
Abstract: 불법 트래픽 검출 장치및 그 방법이 개시된다. 여기서, 불법 트래픽 검출 시스템은 교환기로부터 통화 트래픽을 수집하고, 상기 통화 트래픽으로부터 콜 상세 기록(CDR, Call Detail Record)을 파싱하는 트래픽 수집부, 상기 콜 상세 기록을 토대로 상기 통화 트래픽으로부터 기 정의된 불법 트래픽에서 나타나는 패턴의 유형별 발생 여부를 검출하는 패턴 검출부, 그리고 상기 유형별로 패턴의 검출 결과를 기초로 상기 통화 트래픽이 불법 트래픽인지 판단하고, 판단 결과를 상기 교환기로 전송하는 불법 트래픽 검출부를 포함하고, 상기 불법 트래픽은, 통신 사업자가 제공하는 정상 트래픽 경로를 거치지 않고 불법 트래픽 경로를 거쳐 상기 교환기로 유입된 것이다.
Patent KR-20160142168-A (KR)
Inventor: KIM HYUN JONG
IPC: H01L31/0224
Filed: 2015-06-02
Abstract: A solar cell according to an embodiment of the present invention comprises: a semiconductor substrate; a conductive region formed on the semiconductor substrate; and an electrode connected to the conductive region. The electrode includes silver (Ag) as a main component and a glass frit. The glass frit contains a main network forming material selected from a group consisting of PbO, Bi2O3, TeO2, and a mixture thereof as a main component that is most abundant in the glass frit, and contains 6 to 12 parts by weight of SiO2, 5 to 12 parts by weight of Al2O3, 3 to 5 parts by weight of ZnO, 2 to 5 parts by weight of an alkali metal oxide, 0 to 2 parts by weight of P2O5 and 0 to 1 part by weight of B2O3.
Patent KR-20160142580-A (KR)
Inventor: SEO YONG WON
IPC: H01Q21/24
Filed: 2015-06-03
Abstract: The present invention relates to a polarization antenna which includes: a wave guide power distributor which receives a transmission signal by means of an input waveguide and variably distributes the transmission signal to first and second output wave guides to output the transmission signal; a wave guide phase shifter which receives signals outputted individually from the first and second output wave guides of the wave guide power distributor, variably changes a phase difference between two of the inputted signals, and outputs the signals individually; and a radiation unit which receives each of the signals outputted from the waveguide phase shifter and combines the signals to radiate a wireless signal.
Patent KR-20160143001-A (KR)
Title: 투명 튜브식 구명조끼
Inventor: LEE JEONG JUN
IPC: B63C9/11
Filed: 2015-06-04
Abstract: 본 발명은 등판과, 등판의 양측단에 연장되게 형성되는 가슴판으로 이루어져 체결수단에 의하여 양측으로 분할된 가슴판이 체결되어 착용이 이루어지게 되는 구명조끼에 있어서, 상기 등판(110)과 가슴판(120)은 내피와 외피가 접합면에 의하여 충진공간(130)이 형성되는 튜브체로 이루어지고, 튜브체의 일단에는 공기주입구(140)가 형성되어 공기주입에 의하여 부력을 갖도록 구성되는 투명 튜브식 구명조끼를 제공하기 위한 것으로, 본 발명은 안전할 뿐만 아니라 미사용시나 이동시 그 보관 및 휴대가 용이하고 구명조끼의 무게가 가벼울 뿐만 아니라 공기의 조절을 통하여 부력의 조절이 용이하며 구명조끼 착용 중에도 사용자의 시야를 방해하지 않고 사용자의 미적 과시 욕구 또한 충족시켜줄 수 있는 투명 튜브식 구명조끼를 제공하는데 매우 유용한 발명인 것이다.
Patent KR-20160146021-A (KR)
Title: 병풀추출물, 목련수피 추출물, 나한백가지 추출물, 유칼립투스잎오일, 보리지씨오일을 유효성분으로 하는 피부진정 및 아토피 개선용 화장료 조성물
Inventor: LEE KYUNG ROK
IPC: A61K8/02
Filed: 2015-06-11
Abstract: 본 발명은 병풀 추출물, 목련수피 추출물, 나한백가지 추출물, 유칼립투스오일 및 보리지씨오일과 같은 천연 물질이 함유됨에 따라 부작용이 없으면서도 피부 진정 효과가 뛰어며 아토피 개선효과가 우수한 화장료 조성물에 관한 것이다.
Patent KR-20160146171-A (KR)
Inventor: KIM SANG WOO
IPC: B61D37/00
Filed: 2015-06-12
Abstract: The present invention relates to a fixed bus strap for preventing shaking. The fixed part of the bus strap is divided into two parts. The divided parts are fixed in an inverse triangular shape.
Patent KR-20160146327-A (KR)
Inventor: KIM IK HYEON
IPC: H02K15/09
Filed: 2015-06-12
Abstract: The present invention relates to a rotor coil winding apparatus for a large generator, which includes: a main body (100) in the shape of a square hull; a driving unit (200) installed in the main body (100) and generating rotary power for the winding of field winding of a rotor; a rotation winding unit (300) rotating the rotor by using power generated in the driving unit (200) when holding and fixing the rotor to wind a coil; and a control box (400) controlling the operation of the driving unit (200). The rotor coil winding apparatus for a generator strongly fixes and rotates the rotor for a large generator which is a heavy body to quickly and simply perform work of winding the coil in a slot with safety.
Patent KR-20160149384-A (KR)
Title: Display device
Inventor: LEE WON SE
IPC: G09G3/32
Filed: 2015-06-17
Abstract: According to an embodiment of the present invention, the display device comprises: a substrate having an active region and a dead region; a plurality of pixels which are disposed in the active region, are formed at crossing points of first signal lines extended in a first direction and second signal lines extended in a second direction, and include a pixel electrode and an opposite electrode facing each other; a plurality of dummy pixels arranged in the dead region in the second direction; a power wire disposed in the dead region and connected to the opposing electrode; a dummy signal line disposed in the dead region; a plurality branch lines connecting the dummy signal line and the dummy pixels; and a dummy connection line to selectively connect the dummy signal line and any one second signal line among the second signal lines. The dummy signal line is separated from the dummy pixels while positioning the power wire in the middle thereof.
Patent KR-20170001155-A (KR)
Inventor: SUNG MYOUNG SEOK
IPC: H01L35/16
Filed: 2015-06-25
Abstract: A thermoelectric element according to an embodiment of the present invention comprises: a first substrate; a plurality of thermoelectric legs placed on the first substrate; and a second substrate placed in the plurality of thermoelectric legs. Each thermoelectric leg comprises a first bottom side corresponding to the first substrate, a second bottom side corresponding to the second substrate, and at least one lateral side between the first bottom side and the second bottom side, wherein either the first bottom side and the lateral side or the second bottom side and the lateral side are connected to each other by an extended side.
Patent KR-20170005227-A (KR)
Title: Polycarbonate resin, method for preparing the resin and molded article comprising the resin
Inventor: HWANG YOUNG YOUNG
IPC: C08J5/00
Filed: 2015-07-01
Abstract: The present invention relates to a polycarbonate resin having excellent flowability and weather resistance by comprising a certain compound, a preparation method thereof, and a molded article comprising the resin. More specifically, the polycarbonate resin is polymerized by comprising a bisphenol-based monomer, a compound represented by chemical formula 1 and a carbonate precursor.
Patent KR-20170005263-A (KR)
Title: Refrigerator having a function for preventing oxidation
Inventor: KIM SEO KON
IPC: F25D19/00
Filed: 2015-07-02
Abstract: The present invention relates to a refrigerator. More specifically, the present invention relates to the refrigerator having a rancidity preventing function, comprising: a main body of the refrigerator; and a hydrogen generation unit generating hydrogen and supplying the generated hydrogen to the main body. The present invention provides a configuration of the refrigerator, preventing decomposition of food materials and maintaining freshness for a long period of time.
Patent KR-20170006997-A (KR)
Title: KPI Management System
Inventor: JUNG HONG LIM
IPC: G06Q10/06
Filed: 2015-07-10
Abstract: The present invention relates to a KPI management system. A company is required for building an EIS analysis environment for a quick and accurate decision. However, it is difficult to build EIS at medium and small business due to high costs and difficulty in securing a related technical force. KPI pool is previously defined, and a KPI EIS system and a service model capable of monitoring are developed so as to introduce a system at low costs and build a system capable of maintaining, thereby increasing the IT competitiveness of the company.
Patent KR-20160011581-A (KR)
Title: Variable capacity hydraulic device
Inventor: SAITO NORIO
IPC: F04B1/32
Filed: 2015-07-16
Abstract: A variable capacity hydraulic device, according to the present invention, comprises: a housing; a cylinder block which is installed inside the housing to be rotated; pistons which are inserted into multiple cylinder holes formed in the cylinder block, respectively; an inclined plate which is installed in the opposite end to the cylinder holes in the piston to be slid and is able to be tilted to the housing to be slid; an oil groove which is formed in either the sliding surface of the housing or the sliding surface of the inclined plate to secure the sliding of the housing and the inclined plate; an actuating piston which tilts the inclined plate; and a servo mechanism which supplies pressurized oil to power the actuating piston, wherein the secondary pressure generated in the servo mechanism is supplied to the oil groove.
Patent KR-20170011523-A (KR)
Title: In-ground litghting appartus
Inventor: SOHN CHOONG YONG
IPC: F21V29/74
Filed: 2015-07-23
Abstract: The present invention relates to an in-ground lighting apparatus having a structure capable of efficiently illuminating an object while reducing light pollution, and having excellent operational reliability. The in-ground lighting apparatus comprises: a base unit (200) fixedly installed in a bottom part; a light emitting unit (300) which laterally emits light from an upper side of the base unit and formed on a planar polygonal shape; and a loop unit (100) arranged to cover an upper side of the light emitting unit, wherein the light emitting unit is disposed to adjust an angle up and down with respect to the base unit.