baber/WOPTO huggingface dataset:
Patent KR-20030045995-A (KR)
Title: Method for compression vote of a lottery ticket and apparatus thereof
Inventor: LEE SOO YOUNG
Filed: 2001-12-03
Abstract: PURPOSE: A system and a method for the condensed vote of a game lottery ticket are provided to realize the high probability betting effect at a low cost, and to offer the joy joining in a game to a user by increasing the prize probability through the multi-betting of the small price while decreasing the probability of the first prize. CONSTITUTION: A condensed vote server(10) controls each part of the system by receiving a condensed signal of the multi-betting numbers after the user selecting the numbers of the multi-betting through various communication tools. A combination column generator(20) generates a plurality of combination columns corresponding to the selected multi-betting numbers. The second best combination column detector(30) detects the second best combination column not overlapped with the selected standard combination column while making the user select the standard combination column from the generated combination columns. A condensed vote table generator(40) makes a table by condensing the detected second best combination column and the selected standard combination column. A single vote table converter(50) outputs a single vote table the tabulated from condensed vote table through a printer(60).
Patent KR-20030046612-A (KR)
Title: agricultural chemical sprayer
Inventor: CHOI SANG DUK
IPC: A01M7/00
Filed: 2001-12-06
Abstract: PURPOSE: A shoulder carrying type pesticide sprayer is provided to maximize control effect by uniformly spraying liquid chemical to crops by fixing a belt in a vertical or horizontal direction according to the crops. CONSTITUTION: A main body(10) is detachably carried on the shoulder by a carrying strap(1). A plurality of elevating parts are fixed to bearing columns(11,12,41) formed on the main body(10) in a vertical direction so as to be able to ascend and descend. A plurality of fixed parts(a-f) are projected toward the rear side of the elevating parts. A belt(30) is detachably fixed to engagements(31,32) flexibly and selectively coupled to the end of the fixed parts(a-f) and is formed with a nozzle(33) for spraying liquid chemical fed from a hose(3). A hose holder(40) is formed on one side face of the main body(10) and fixes and holds one side of the hose(3) with one end communicating with the belt(30) to the main body(10).
Patent KR-20030047246-A (KR)
Title: Changeable intake apparatus
Inventor: CHOI JONG HYEOK
IPC: F02B27/02
Filed: 2001-12-10
Abstract: PURPOSE: A variable air intake device is provided to reduce manufacturing cost and prevent torque from being lowered by fabricating the variable air intake device in a simple structure. CONSTITUTION: An inlet(3) of a runner(2) forming an intake manifold is connected to one side of a surge tank(1). A first valve ball(5) and a second valve ball(6) are selectively operated by means of a valve direction switching device. A valve of the valve direction switching device is rotated by means of a rotating shaft(10), which is rotated by fluid flux introduced into the surge tank. A rotating blade(11) is mounted on a front end of the rotating shaft. The rotating shaft is rotatably supported by a supporting member(12). The supporting member is arranged in the surge tank by horizontally crossing the surge tank.
Patent KR-20030048235-A (KR)
Title: A pallet for conveying coil
Inventor: JUNG MYEONG HO
IPC: B21B39/00
Filed: 2001-12-11
Abstract: PURPOSE: A coil conveying pallet is provided to easily attach or detach a coil protective pad to or from the coil conveying pallet by installing various devices in the coil conveying pallet. CONSTITUTION: A coil conveying pallet includes a plurality of sensors(341,342,343,344) for generating signal by sensing a coil protective pad(201) and a power transmission shaft. A driving motor(307) is provided to generate driving force and to transfer driving force to a gear(309) of a gear box(308). A first rotating shaft(311) is engaged with the gear(309) of the gear box(308). Both ends of the first rotating shaft(311) are supported by bearings(350). The first rotating shaft(311) is formed at both ends thereof with coupling gears(332,333). Second and third rotating shafts(321,324) are provided at terminal ends thereof with bevel gears(322,325). A protective pad hoist(301) is rotatably supported by bearings(356,357) so as to wind or release the coil protective pad(201). A connecting plate(302) and a detecting plate(340) are formed at a front end of the protective pad hoist(301). A wire rope hoist(303) is provided to wind or release a wire rope(303).
Patent KR-20030049261-A (KR)
Title: Apparatus and method for dry surface cleaning using plasma
Inventor: KIM JEONG HO
IPC: H01L21/302
Filed: 2001-12-14
Abstract: PURPOSE: A surface processing apparatus and method using plasma are provided to be capable of removing a natural or chemical oxide layer, and a damaged layer of the surface of a silicon substrate by using a heat treatment after forming a polymer layer, and using remote plasma, respectively. CONSTITUTION: After forming an insulating layer(41) on a silicon substrate(40), a contact hole is formed by selectively etching the insulating layer(41). At this time, a damage layer(42) and an oxide layer(43) are formed on the exposed surface of the silicon substrate. A polymer layer(44) is formed on the oxide layer(43). The polymer layer and the oxide layer are removed by carrying out a heat treatment using an ultraviolet or infrared lamp. Then, the damaged layer is removed by using remote plasma. Preferably, the heat treatment is carried out in a heating chamber.
Patent KR-20030050841-A (KR)
Title: Aircraft Launcher Attached on the Top of a Ground Vehicle
Inventor: KOO SAM OK
IPC: B64F1/04
Filed: 2001-12-19
Abstract: PURPOSE: A launching device of an airplane is provided to conveniently launch the airplane without runway by installing a balloon and a locking/separating device. CONSTITUTION: A base plate(1) is fixed in a ground vehicle. A crank device(30) connects with a connecting plate(2) in front of the base plate through a fourfold lever crank(3) on all side. A locking device fixes/releases a hook pin of an airplane by installing under a settling saddle(4). Thereby, the airplane is safely launched by the crank device and the locking device through the movement of the ground vehicle.
Patent KR-20030052059-A (KR)
Title: Method of data integration using metadata in multi-database middleware systems
Inventor: KIM MI YEON
IPC: G06F17/40
Filed: 2001-12-20
Abstract: PURPOSE: A method for integrating data using meta data in a multiple database middleware system is provided to store and manage meta data with respect to a global database schema in a multiple database middleware system and to integrate data of a local database using meta data in the case that data in a company are integrated totally. CONSTITUTION: A meta data database stores a global database schema and searching a local column corresponding to each global column(202). All local database related to the global database is registered(203), and a mapping operation with respect to all columns of the registered local database is started through a multiple database middleware system(205). A global table including names similar to a local table name of each local column is searched in accordance with a result of the mapping operation, and a global column including a name similar to a local column name is searched(208). If a similar degree is output on a screen in order of high degree, information with respect to a global column is appended as meta data of the global column for selecting the corresponding global column(210).
Patent KR-20030053195-A (KR)
Title: Mat for weak ground and improved method for weak ground using the mat
Inventor: YOON YOON MO
IPC: E02D3/10
Filed: 2001-12-22
Abstract: PURPOSE: A soft ground mat and the process of improving a soft ground is provided to plan to build factories, roadways and harbors on the soft ground by using reinforcing mats that strengthens the ground, therefore to promote the quick approach of construction equipment. CONSTITUTION: The process of improving soft ground is composed of: applying a synthetic forming layer made of polyethylene form or polyurethane form or polystyrene form with high a buoyancy to the surface of a mat(1) made of non-woven fabrics or woven fabrics; covering the mat with a coating material(3); joining the coating material to the mat by a flange type connection at the edge area; laying the synthetic form mat to the soft ground; laying soil at certain height.
Patent KR-20030053854-A (KR)
Title: Varactor diode and the method of fabricating the same
Inventor: HAN YEONG SEOK
IPC: H01L29/93
Filed: 2001-12-24
Abstract: PURPOSE: A variable diode and a method for manufacturing the same are provided to be capable of removing parasitic capacitance by forming the first and second impurity region having the same size, respectively, and obtaining stable breakdown voltage by forming an electrode to the upper portion of an insulating layer. CONSTITUTION: A variable capacitance is provided with an N-type semiconductor substrate(101), an N-type impurity region(107) formed at the upper portion of the semiconductor substrate by heavily doped N-type dopants, a P-type impurity region(109) having the same size as the N-type impurity region formed on the N-type impurity region by heavily doped P-type dopants, an insulating layer(105) having an open portion formed on the resultant structure, and an electrode(111) formed on the P-type impurity region and prolonged to the upper portion of the insulating layer.
Patent KR-20030053978-A (KR)
Title: Input terminal circuit of tuner for catv
Inventor: KIM YUN HWAN
IPC: H04N7/10
Filed: 2001-12-24
Abstract: PURPOSE: An input stage circuit of a cable television tuner is provided to amplify a signal using a single wide band amplifier regardless of a receiving band to simplify the circuit and reduce the volume of the tuner. CONSTITUTION: A cable television tuner includes an antenna for receiving an RF signal, an IF trap(10) for removing an RF frequency signal identical to the IF frequency signal of the tuner from the signal received through the antenna, an input stage circuit(100) for amplifying the RF signal, a tuning circuit composed of a UHF RF tuning circuit(23), a VHF high RF tuning circuit(33) and a VHF low RF tuning circuit(43) for tuning the RF signal from the input stage circuit, and a mixer(50) for mixing the RF signal output from the tuning circuit with an oscillating frequency to output an IF signal. The cable television tuner further includes a local oscillator(60) for generating the oscillating signal according to a control voltage to apply the oscillating signal to the mixer, a PLL IC(70) for supplying the control voltage to the local oscillator, an IF amplifier(80) for amplifying the RF signal output from the mixer, and a band pass filter(90) for passing only desired signal among RF signals output from the IF amplifier.
Patent KR-20030054401-A (KR)
Title: Device for separating scrap and product
Inventor: JU GAP SIK
IPC: G01N1/04
Filed: 2001-12-24
Abstract: PURPOSE: An apparatus for separately withdrawing a sample and a scrap is provided to safely obtain a sample and to safely retrieving a scrap without exchanging a scrap box by separately withdrawing the sample and the scrap. CONSTITUTION: An apparatus for separately withdrawing a sample from a scrap includes a sample picking section and a scrap separating section for separating scraps cut by a shearing machine. The sample picking section has a hole detecting sensor(11) for detecting a hole of a welding part when a control panel turns on a button, an inlet support roll(15) positioned between a shear(13) and the hole detecting sensor(11), a strip detecting sensor(17) positioned at a rear end of the shear(13), a swing table(21) moved up and down by means of a swing cylinder(19), a sample guiding path(23) formed at a lower portion of a moving route, a sample guiding cylinder(25) installed in the sample guiding path(23) and a conveyer(27). The hole detecting sensor(11) is positioned at a front of the shear(13).
Patent KR-20030054694-A (KR)
Title: Method for manufacturing non- oriented electrical steel sheet
Inventor: CHA SANG YUN
IPC: C21D8/12
Filed: 2001-12-26
Abstract: PURPOSE: A method for manufacturing non-oriented electrical steel sheet with high magnetic flux and low iron loss is provided. CONSTITUTION: The method includes the steps of reheating a steel slab comprising 0.008 wt.% or less of C, 3.5 wt.% or less of Si, 0.6 wt.% or less of Mn, 0.15 wt.% or less of P, 0.01 wt.% or less of S, Al 0.15 to 1.5 wt.%, 0.004 wt.% or less of N, 0.005 wt.% or less of O, a balance of Fe and incidental impurities; hot rolling the steel slab at ferrite phase; coiling the hot rolled steel sheet at 550 to 750°C, followed by pickling and cold rolling; heating the cold rolled steel sheet up to 700 to 1050 deg.C at a rate of 10 to 35°C/sec, followed by final annealing; and alternatingly applying vertical and horizontal magnetic field to the steel sheet over the temperature range of 200 to 720 deg.C.
Patent KR-20030056035-A (KR)
Title: Apparatus for drawing out antenna of portable communicating device
Inventor: MUN JEONG NAM
IPC: H04B1/38
Filed: 2001-12-27
Abstract: PURPOSE: An apparatus for leading out an antenna in a portable communication instrument is provided to simply lead out the antenna by simply pushing a front-end portion of the antenna in a state in which the antenna leads in a device body. CONSTITUTION: An automatic lead-out unit automatically leads out an antenna(210) according as a user pushes a front-end portion of the antenna(210) in a state in which the antenna(210) perfectly leads in a device body, and restrains the vertical movement of the antenna(210). The automatic lead-out unit has an elastic body(280) installed in an internal side of the device body for elastically pressing a lower end of the antenna(210), and a guide asperity(260) protrusively formed from an antenna body(211). A guide pin(265) is formed at a front-end of the guide asperity(260). The automatic lead-out unit has a guide member(270) having a guide groove(273) into which the guide pin(265) is inserted, for restraining the operation of the antenna(210). The guide member(273) is installed in an internal portion of the device body.
Patent KR-20030056374-A (KR)
Title: Method of Wireless Internet Conversation in Mobile Communication Terminal
Inventor: PARK DU IL
IPC: H04W76/02
Filed: 2001-12-28
Abstract: PURPOSE: A method for a wireless Internet call in a mobile communication terminal is provided to expand a service area by supporting voice communication in an 1xEV-DO network. CONSTITUTION: A user presses a send button set for a wireless Internet call(21). An application embedded for the wireless Internet call operates to set up an address for the wireless Internet call and to connect to the corresponding site(22). A display unit of a mobile station waits for input of a telephone number of a calling partner(23). After terminating the wireless Internet call, the user presses a termination button(24).
Patent KR-20010074979-A (KR)
Title: 고해상도 위치측정
IPC: G01S19/23
Filed: 1999-09-02
Abstract: 본 발명은 무선 통신시스템에서 위치측정을 수행하기 위한 새롭고 개선된 방법 및 장치에 관한 것이다.     본 발명의 일 실시예는, 위치측정을 수행하기 위한 방법으로서, 해상도 간격에서 고해상도 샘플 데이터의 세트를 수신하는 단계, 상기 고해상도 샘플 데이터를 칩 간격 상에서 누산하여 누산합들을 산출하는 단계, 및 상기 해상도 간격에 의해 분리된 오프셋들의 세트에서 상관 코드로 상기 누산합들을 상관시키는 단계를 포함한다.
Patent KR-20010089452-A (KR)
IPC: H01L21/331
Filed: 1999-11-11
Abstract: 산화아연 등의 투명 채널층을 사용한 일부 또는 전부가 투명한 트랜지스터를 제공한다. 채널층(11)은 예를 들면 산화아연 ZnO 등의 투명한 반도체로 형성된다. 소스(12), 드레인(13) 또는 게이트(14)는 각각의 내부, 전부 또는 일부에 투명전극이 사용된다. 투명전극으로는, 예를 들면, Ⅲ족 원소 등을 도프한 도전성 ZnO 등의 투명 도전성재료가 사용된다. 게이트절연층(15)으로는, 예를 들면, 1가의 가수를 취할 수 있는 원소 또는 Ⅴ족 원소를 도프한 절연성 ZnO 등의 투명절연성재료가 사용된다. 기판(16)은 투명으로 할 경우, 투명한 재료로는 예를 들면, 글라스, 사파이어, 플라스틱 등을 사용할 수 있다.
Patent KR-20010101853-A (KR)
IPC: G06Q30/06
Filed: 2000-11-10
Abstract: 접속되는 기기에 콘텐츠를 체크인 또는 체크아웃하는 정보 처리 장치이며, 콘텐츠의 체크아웃이 가능한 횟수를 소정의 기호의 종류로 구별하여 표시하고, 또한, 콘텐츠에 대응하는 명칭을 표시하여, 콘텐츠의 체크아웃이 가능한 횟수를 표시함으로써 원하는 콘텐츠를 간단하고 또한 신속하게 체크아웃 또는 체크인 가능하게 한다.
Patent KR-20010112402-A (KR)
Title: 광 픽업의 광학계
IPC: G11B7/135
Filed: 2000-04-20
Abstract: 얇은 커버 타입 및 두꺼운 커버 타입 모두를 이용할 수 있는 광 픽업의 광학계. 상기 시스템은 얇은 커버 타입의 광 디스크용 단파장 레이저 광(11) 및 두꺼운 커버 타입의 광 디스크용 장파장 레이저 광(12)을 발하는 광원부, 레이저 광을 보호층을 통해서 광 디스크의 정보층에 집광시키는 대물렌즈(30)를 포함한다. 대물렌즈(30)는 입사되는 파장이 증가함에 따라서, 과잉보정방향으로 구면수차가 변하는 파장의존성을 가진 회절렌즈 구조(30a)를 가지고 있다. 광원부는 대물렌즈에 입사되는 긴 파장의 레이저 광의 발산정도가 짧은 파장의 레이저 광보다 짧은 레이저 광을 발한다. 대물렌즈는 동일한 회절 차수의 레이저 광을 위치변화없이 발한다.
Patent KR-20020000873-A (KR)
Title: 고형 제제 포장 장치 및 고형 제제용 포장지 롤
IPC: A61J3/00
Filed: 2001-02-14
Abstract: 교환 작업에 지장을 초래하는 일 없이, 간단한 구성으로 포장지 롤과 포장지 롤이 장착되는 회전축 사이의 슬립의 발생을 방지할 수 있도록 한 고형 제제 포장 장치를 제공한다.  고형 제제 포장 장치는, 고형 제제를 종류마다 각각 수납하는 복수의 정제 케이스와, 롤형상으로 권취되어 열용착 가능한 포장지를 구비하고, 정제 케이스로부터 배출된 고형 제제를 포장지로 포장하는 것으로써, 포장지는 회전축에 착탈 가능하게 장착되는 축 부재의 주위에 권취되어 롤형상을 형성하는 동시에, 회전축에는 결합부가 형성되고, 축 부재에는 결합부에 결합 분리 가능하게 결합하는 피결합부가 형성되어 있다.
Patent KR-20020014795-A (KR)
IPC: F25D31/00
Filed: 2000-05-15
Abstract: 자체-가열 콘테이너(10)는 내용물을 담기 위한 내부 캐비티(22)와 가열 메커니즘을 위한 외부 캐비티(20)를 가지며, 가열 메커니즘은 가열이 요구될 시 혼합되도록 배열된 제 1 및 2 화학 반응성 재료를 포함한다.  폐쇄부(30)는 외부 캐비티(20)를 폐쇄한다.  가열 메커니즘은 화학물이 혼합되도록 작동되고, 이에 따라 발열반응이 일어나면, 스팀 또는 뜨거운 공기와 같은 증기가 생성된다.  폐쇄부(30)는 콘테이너의 고리형 숄더(102)와 결합하는 고리형 밀봉 플런저(100)를 지지한다.  밀봉 플런저(100)는 분위기에 대해 외부 캐비티를 밀봉하여 화합물의 반응성을 유지한다.  하지만, 증기가 발생되어 외부 캐비티(20)의 압력이 증가되면, 밀봉 플런저(100)는 숄더(102)로부터 이동하고, 이에 따라 증기는 분위기로 배기된다.
Patent KR-20020007415-A (KR)
IPC: C07H17/08
Filed: 2000-04-14
Abstract: 하기 화학식 1의 화합물의 신규 결정형이 개시되어 있다.  또한, 상기 결정형을 포함하는 제약 조성물, 상기 신규 결정형의 제조 방법 및 용도가 개시되어 있다. 
     <화학식 1>
Patent KR-20020011416-A (KR)
IPC: G01N21/95
Filed: 2000-05-16
Abstract: 본 발명의 방법은 제조된 물체, 특히 반도체 소자 제조공정에서 제조된 물체에서의 결함을 감지하는 간단하고 강력한 방법이다.  포토리소그라피 공정에서 사용된 레디컬 또는 다른 물체와 같이 크롬 및 유리 패턴을 가지는 물체의 경우에, 마스트 버전은 가능하한 방법으로 확인된다.  이 마스트 버전은 이미지화되어 저장되고 검사공정의 일부로서 대응적으로 패턴화된 물체에 대한 비교대상으로 사용된다.  마스트 물체의 기록된 이미지를 판단하므로서 제공되는 데이타는 종래의 다이 대 다이 검사방법 또는 다이 대 데이타베이스 검사방법에 의한 데이타를 대체한다.  본 발명은 또한 물체의 검사에 사용되는 이러한 다수의 마스트 버전의 비휘발성 저장을 가능하게 하는 장치와 관련된다.
Patent KR-20020087834-A (KR)
Title: 신경보호 및 망막보호 안과용 약물
IPC: A61K31/403
Filed: 2000-06-16
Abstract: 본 발명은 신경보호 및 망막보호 안과용 약물에 관한 것이다. 
     즉, 치료된 사람들에게서, 시력 및 시야를 향상시키는데 사용하기 위한 약물의 제조용으로 화합물을 사용하며, 또한 본 발명은, 전술한 활성 성분이 상이한 투여 형태, 특히, 경구 형태, 비경구 형태, 정맥내 형태, 근육내 및 피하 형태, 및 국소형태로, 특히 안과용 로션으로서 투여할 수 있게 하는 약학적 허용 부형제와 연합된 약학 조성물에 관한 것으로, 라미프릴 및 라미프릴랏의 혈관 확장 작용을 고려하고 여섯 가지 병리, 즉 녹내장성 신경질환, 고도 근시의 퇴행성 맥락망막 병증, ARMD, 중앙 장액성 맥락망막 병증, 망막 정맥 폐색, 및 망막의 유전성 이양증의 발달에서의 혈관 인자의 책임으로 인해, 이러한 물질들은 다른 혈관 성분을 포함하는 모든 다른 맥락망막 질환에서 효과를 가질 수 있는 특징이 있다.
Patent KR-20030060232-A (KR)
Title: System decoder
Inventor: LEE SEUNG HYEON
IPC: H04N5/92
Filed: 2002-01-07
Abstract: PURPOSE: A system decoder is provided to transmit a recorded program and decode a broadcasting program and activate a reproducing function without interrupting a part of a program being processed when multiple programs are transmitted. CONSTITUTION: A channel input unit(10) forms a channel through which a data stream is inputted to a system decoder. A channel output unit(60) forms a channel through which the data stream is output from the system decoder. A pre-decoder(20) PID-filters the data stream inputted through the channel input unit. A descrambler(30) descrambles the stream filtered by the pre-decoder. A main decoder(40) converts a transport stream output from the descrambler into a packetized elementary stream and outputs the packetized elementary stream to the channel output unit. An HDD(70) stores a broadcast selected by a user among packetized elementary streams output from the main decoder, and outputs the stored broadcast to the channel output unit. An upload/download controller(50) controls storage of the packetized elementary streams in the HDD and output to the channel output unit.
Patent KR-20020061119-A (KR)
Title: Associating information management system, program for associating information management, and recording medium
Inventor: TSUYUKI AKEMI
IPC: G06F17/30
Filed: 2002-01-12
Abstract: PURPOSE: A system and a program for managing relating information, and a recording medium for the same are provided to realize registration and management of relating information with the simple structure, and to facilitate retrieve and extraction of the relation including a position and time series. CONSTITUTION: The relating information management system for relating various information to each other for management is provided with a relation vector table KVT for storing the relation between various information, direction of that relation and the position and time series information thereof, and a retrieving device for retrieving the relating on the basis of the relation, the direction of that relation and the position and time series information thereof stored in the relation vector table and for outputting a relation chart, and a relation management table KKT for storing the relating as a master and a slave between the various information. The retrieving device outputs the relation map for displaying a change of the relation along the position and time series between the various information and the relation chart for displaying a connection between the various information with links.
Patent KR-20030061931-A (KR)
Inventor: KIM CHANG HUN
IPC: A01G9/14
Filed: 2002-01-12
Abstract: PURPOSE: Provided is a pad film which well guides the coupling of a spring to a frame pipe against a vinyl house film without being inclined in any one direction, and prevents the vinyl house film from being split. CONSTITUTION: A pad film comprises a film body(101), a guide member(110) formed at the center of the film body to guide a coupling spring, and a plurality of insertion holes formed at the film body to receive strings for holding the vinyl house film. The guide member is formed with either embossed portions or intagliated portions.
Patent KR-20030065144-A (KR)
Title: Fiber Raman amplifier
Inventor: KIM PIL HAN
IPC: G02B6/38
Filed: 2002-01-31
Abstract: PURPOSE: A Raman fiber amplifier(RFA) is provided, which achieves speed improvement of an optimization process by performing gain prediction of the Raman fiber amplifier rapidly, and improves accuracy by omitting a process of measuring internal parameters of an optical fiber. CONSTITUTION: An optical fiber has an input port and an output port of a light signal, and has an input port of a pump light to amplify the light signal, and is used as a gain medium. A multi pump(10) of different wavelength provides the pump light as to the optical fiber. An OTDR(Optical Time Domain Reflectometry)(130) is located between the pump and the gain medium optical fiber, and receives a Rayleigh back scattered light from the gain medium optical fiber. And an OTDR connection unit(110) performs an ODTR connection function of sending the Rayleigh back scattered light to the OTDR, and inputs the pump light into the gain medium optical fiber, and enables to use the pump light as a light source of the OTDR. And a unit is inserted between the OTDR connection unit and the OTDR and removes a different wavelength except a measurement wavelength.