baber/WOPTO huggingface dataset:
Patent KR-20040050172-A (KR)
Title: A device for warm hydro-forming of aluminium alloy and a method
Inventor: RYU SEONG JI
IPC: B21D26/041
Filed: 2002-12-09
Abstract: PURPOSE: An apparatus for warm hydroforming aluminum alloy is provided to sequentially perform tube expansion and hydroforming by securing formability of the tube work at high temperature using elongation according to temperature of high strength aluminum tube work, and a method for controlling the apparatus is provided. CONSTITUTION: The apparatus comprises a lower mold die(1) installed at a lower part; a lower mold(3) which is mounted on the center of the lower mold die, and on an inner surface of which a forming surface is formed; a plural sliding guiders(7) mounted on the outer side of the lower mold; a driving cylinder(13) mounted on an upper part of the sliding guiders; an upper mold die(15) which is sliding guided by the sliding guiders, and an upper center of which is connected to operating rod of the driving cylinder; an upper mold(17) which is mounted on a lower surface of the upper mold die, and on an inner surface of which a forming surface is formed; a lower feeding punch into which one end of tube work is inserted, and on an inner part of which a hydraulic liquid supply way is formed; an upper feeding punch(21) into which the other end of the tube work is inserted, and which is connected to pressing means; a pressure intensifier(35) connected to the hydraulic liquid supply way through a hydraulic liquid supply pipe(37) to supply hydraulic liquid to the hydraulic liquid supply way by dividing the hydraulic liquid into supply hydraulic liquid and forming hydraulic liquid according to control signals; a pressure detecting sensor(39) installed at one side of the hydraulic liquid supply pipe to detect pressure of hydraulic liquid supplied; a heating means(41) mounted on the lower feeding punch to heat hydraulic liquid filled in the tube work to a set temperature; a temperature detecting sensor mounted on the lower feeding punch to detect temperature of the hydraulic liquid filled in the tube work; a pressure control valve(45) mounted on an operating oil pipe(25) to control operating pressure according to control signal; a driving servo valve(49) mounted on a driving oil pipe(47) to control driving pressure according to control signal; and a controller(51) for controlling the driving servo valve, pressure control valve, pressure intensifier and heating means according to set map by receiving detection signals from the pressure detecting sensor and temperature detecting sensor.
Patent KR-20040050955-A (KR)
Title: Reinforcement structure for dike and constructing method thereof
Inventor: SON KI TECK
IPC: E02B3/06
Filed: 2002-12-11
Abstract: PURPOSE: The construction method for an embankment reinforcing structure is provided to prevent the loss or breaking of soil by external pressure and earth pressure, to have excellent constructability by executing repair and reinforcement works simply, and excellent durability and stability by improving bearing force, and to cut down the expenses by decreasing the manpower and a period of construction. CONSTITUTION: The construction method for an embankment reinforcing structure(10) comprises the steps of: forming a working yard of 3 meters in width and 15 meters in length on an embankment(1); installing many H-beams(11) longitudinally on the upper part of the embankment(1) with an interval of 5 meters to support and guide an embankment reinforcing structure(10), then installing a reinforcing bar(14) having an inner space(15) on the upper part of a structure supporter blade(13); laying reinforcing bars(14) under the embankment(1) by dipping soil, gravel, etc. out through an inner space(15) of the reinforcing bar(14) using a crane clamshell(3); and connecting the buried reinforcing bars(14) mutually along the embankment(1), placing soil, gravel and rubber into the inner space(15) of each reinforcing bar(14) and removing the H-beams(11) installed on the lower part of the embankment(1).
Patent KR-20040051093-A (KR)
Title: Pad for massage of the skin
Inventor: LEE HO JIN
IPC: A45D44/22
Filed: 2002-12-11
Abstract: PURPOSE: A pad for skin massage use is provided to reduce economic burden on users and especially electric mask users, to improve safety by not using electricity, and to enhance massage effects. CONSTITUTION: The pad(100) for skin massage use has a circular or oval shape to be more effectively attached to the face of a user. A passing hole(110) is formed on the pad(100) so that the user can breathe through it. Also, the pad(110) is composed of a plurality of massage chips(200), each including a needle(210) and a hexagon chip(220). The hexagon chip(220) has a hole at the center. The massage chip(200) contains a solid electrolyte, such as 70% of zirconium oxide and 30% of ferrite and thus, generates a magnetic force.
Patent KR-20030051358-A (KR)
Title: Composite tile for flooring
Inventor: GUARDA MAURIZIO
IPC: E04F15/08
Filed: 2002-12-17
Abstract: PURPOSE: A composite floor tile is provided to mount to a floor foundation or an existing floor without adhesion and to easily remove the tiles from a bedding layer without loosening and breaking tiles. CONSTITUTION: A composite floor tile(1) is composed of a base member(3) of a metal material of which the upside is adhered to a slab(2) made from stone materials and the lower side is contacted to at least one residual member intended for contacting the ground. The material for forming residual feet(7) is selected from a group comprising architectural- or industrial-grade rubber, soft PVC(polyvinylchloride), pressed felt, latex, and silicone. The base member made from metal materials is adhered to the slab and at least one residual member by an adhesive agent. The adhesive agent is polyurethane including adhesive and hardening agents. The stone material is selected from granite or marble and the thickness of the slab is within 13¯17mm.
Patent KR-20040053669-A (KR)
Title: Print control method for printing documents with bar code and fax system and method
Inventor: KIM JONG CHEOL
IPC: G06K19/06
Filed: 2002-12-17
Abstract: PURPOSE: A method for controlling the printing equipped with a barcode inserting function, and a system and the method for transmitting/receiving facsimile using the same are provided to enhance the reliability for managing documents with a barcode by outputting the document printing the barcode of a higher resolution as extending a barcode insertion area and inserting the barcode into the area. CONSTITUTION: A print control driver(220) includes a program selecting the contents to be converted into the barcode from the contents of the document printed from a printer(300), generating the barcode converting the selected contents, compressing the document vertically/horizontally, and arranging the compressed document to one side of a printing area and arranging the barcode to the barcode area. The document printed from the printer includes the compressed document and the barcode. The barcode of the higher resolution is inserted by reducing the document area arranging the compressed document.
Patent KR-20040054921-A (KR)
Title: Method of manufacturing a semiconductor device
Inventor: PARK SANG JONG
IPC: H01L21/28
Filed: 2002-12-18
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to prevent the deterioration of operation speed by adding C-F based gas to oxygen-containing gas in a plasma treatment. CONSTITUTION: A plasma treatment is carried out on a low dielectric layer by adding C-F based gas to oxygen-containing gas for improving the adhesion characteristics between the low dielectric layer and an etch stop layer, or the low dielectric layer and a capping layer. At this time, Si-F bonding is formed at the resultant structure instead of Si-OH bonding. O2, N2O, and CO2 are used for the oxygen containing gas. The C-F based gas contains CF4, C2F6, C3F8, C4F8, and C5F8.
Patent KR-20040055095-A (KR)
Title: Field emission display device having emitter arangement capable of enhancing electron emission characteristic
Inventor: AHN SANG HYEOK
IPC: H01J9/02
Filed: 2002-12-20
Abstract: PURPOSE: A field emission display is provided to achieve improved field emission characteristics by enhancing the arrangement of emitters on a cathode electrode. CONSTITUTION: A field emission display comprises a rear substrate(2); a plurality of gate electrodes(6) formed into a predetermined pattern on the rear substrate; an insulating layer(8) formed on the rear substrate in such a manner that the insulating layer covers the gate electrodes; a plurality of cathode electrodes(10) formed into a predetermined pattern on the insulating layer; an emitter(12) electrically contacts the cathode electrode; a front substrate(4) spaced apart from the rear substrate, and which cooperates with the rear substrate so as to form a vacuum container; an anode electrode(16) formed on the surface of the front substrate opposed to the rear substrate; and a phosphor layer(18) formed into a predetermined pattern on the anode electrode. The cathode electrodes have emitter accommodating portions formed by removing certain parts of the cathode electrodes. A barrier(10b) is formed between the emitter accommodating portions. The emitter is disposed in the emitter accommodating portion and electrically contacts the cathode electrode.
Patent KR-20040055430-A (KR)
Title: Position Controller And Controlling Method for Time Delay Compensation of the Image Tracker in Electro-Optical Tracking System
Inventor: MA JIN SEOK
IPC: G06T1/00
Filed: 2002-12-21
Abstract: PURPOSE: A time delay compensating controller of an image tracker in an electro-optical tracking system(EOTS) and a control method thereof are provided to construct a smith predictor for operating independently relating to an input command and a disturbance input within a loop, thereby controlling effectively the input command follow-up and disturbance compensation function. CONSTITUTION: An image sensor unit(230) is comprised of a subtraction unit(211) for subtracting a chase output signal(y) from the input command. A quantizer(212) quantizes the output of the subtraction unit(211). An image processing unit(220) is comprised of an adder unit(221) for adding the output of the image sensor unit(210) to a quantization error signal(n), a sampling period unit(222) and a laplace converting unit(223) of an image process time delay. A control input(u) and a disturbance(d) of a position controller(240) are added in the adder unit(250) and inputted it to a chase loop. A stabilization drive unit(230) outputs an output signal(y) of a chaser.
Patent KR-20040055834-A (KR)
Title: sticking detecting structure for continuous casting process
Inventor: KIM SEONG YEON
IPC: B22D11/00
Filed: 2002-12-23
Abstract: PURPOSE: A structure for detecting sticking inside mold in continuous casting process is provided to detect breakout generated when solidified shell is stuck to the mold by changing arrangement of thermocouples attached to the mold. CONSTITUTION: In a detecting structure for detecting phenomena in which solidified shell generated in mold(12) is stuck to the mold in the continuous casting process for continuously casting molten steel, the structure is characterized in that a plurality of thermocouples(30) are attached to the mold in such a way that the thermocouples are arranged in a row on a lower part of molten steel surface of the mold with being spaced apart from each other in a certain distance, the respective thermocouples measure increase and decrease of temperature by measuring temperature of copper plate of the mold during the casting process, and sticking of the solidified shell to the mold is detected by referring to measured temperature values of adjacent other thermocouples, wherein sticking of the solidified shell to the mold is detected by selecting thermocouples only within the casting width range during casting and measuring temperature increase and temperature decrease of the thermocouples, and wherein the thermocouples are only arranged on a pair of long side surfaces of the mold.
Patent KR-20040056189-A (KR)
Title: Diagnosis method of secondary cooling nozzle clogging
Inventor: SHIN GEON
IPC: B22D11/10
Filed: 2002-12-23
Abstract: PURPOSE: A method for diagnosing clogging of secondary cooling nozzles is provided to produce casting slab of stable and uniform quality by continuously detecting whether the secondary cooling nozzles is clogged or not during the continuous casting process, thereby immediately taking facility measures accordingly. CONSTITUTION: The method comprises a temperature measuring step of measuring temperature of the surface of casting slab(4) using temperature measuring devices(8) at outlets of the respective cooling water zones in a continuous casting machine for performing secondary cooling of the casting slab through a plurality of cooling water zones from a lower part of mold to outlet of strand; a step of collecting the detected surface temperature values of the casting slab from the temperature measuring devices; a step of comparing the collected surface temperature values of the casting slab with each other; and a step of judging whether the nozzles(5) in the cooling water zones are clogged or not by comparison results of the surface temperature values of the casting slab.
Patent KR-20040056753-A (KR)
Inventor: CHO SUN DONG
IPC: G09G3/36
Filed: 2002-12-24
Abstract: PURPOSE: A method for driving a liquid crystal display device is provided to reduce the power consumption generated from the DC/DC converter by preventing it in response to a predetermined status of the vertical synchronization signal or a gate start pulse signal and an end of carrier signal. CONSTITUTION: A method for driving a liquid crystal display device is characterized in that the DC/DC converter(40) is turned off by preventing the input voltage signal applied from the system(10) while the pixel clock signal corresponding to the non-active display area of the liquid crystal panel is processed.
Patent KR-20040057502-A (KR)
Title: A forming method of pattern of semiconductor device using ArF photolithography
Inventor: KIM SANG IK
IPC: H01L21/027
Filed: 2002-12-26
Abstract: PURPOSE: A method for forming a pattern of a semiconductor device is provided to minimize the deformation of a photoresist pattern by using an ArF exposure source. CONSTITUTION: An etch object layer, an insulating hard mask and a sacrificial hard mask are sequentially formed on a substrate(100-101). An anti-reflective coating layer and a photoresist pattern with an ArF exposure source are sequentially formed on the hard mask(102). The anti-reflective coating layer is selectively etched by using a chlorine-based gas(103). A stacked hard mask pattern is formed by sequentially etching the sacrificial hard mask and the insulating hard mask(104). A desired pattern is formed by selectively etching the etch object layer and the sacrificial hard mask is simultaneously removed(105).
Patent KR-20040060376-A (KR)
Title: Changing keypad for software and method for operating thereof
Inventor: IN SEUNG HUI
IPC: H04M1/23
Filed: 2002-12-30
Abstract: PURPOSE: A keypad having various key maps according to software and a method for operating the same are provided to display information associated with a key map allocated to specific software on an LCD of a keypad as a user inputs a key button to execute the specific software. CONSTITUTION: If a user operates a keypad and inputs a key button to execute specific software, a control part judges whether the inputted key button is for game execution, text input or music listening. If the inputted key button is for game execution, the control part outputs a game execution signal so that a relevant game can be executed. A keypad control module makes the information of a key map allocated to game software displayed on the LCD of the keypad. In case that the inputted key button is for text input, a text execution signal is outputted. Based on the text execution signal, the keypad control module makes the information of a key map allocated to English or Hangul text input software displayed on the LCD.
Patent KR-20040061350-A (KR)
Title: A Process for preparing PET molding product having high pressure-resistant characteristic
Inventor: KIM HEON SU
IPC: B29C49/06
Filed: 2002-12-30
Abstract: PURPOSE: A method for manufacturing a PET molding product is provided to improve pressure-resistance and cracking-resistance by minimizing the drop of intrinsic viscosity in a pre-form. CONSTITUTION: A method for manufacturing a PET molding product having high pressure-resistance comprises the steps of: forming PET resin composition into a pre-form by using an injection molding machine; heating the pre-form by a heat infiltration process and a heat distribution process; and blow-molding the heated pre-form.
Patent KR-20020031154-A (KR)
Title: 회전 속도 센서 고장시 내연 기관의 비상 시동 방법
IPC: F02D41/06
Filed: 2001-03-07
Abstract: 본 발명은 스타터와 회전 속도 센서가 장착된 내연 기관 시동 방법에 관한 것이며 회전 속도 센서는 회전 수에 따라 출력 신호를 전송한다.  또한 보드 공급 전압을 측정하기 위한 장치가 제공되며 상기 장치는 시동 단계(1) 동안 및 시동 단계(1) 후의 배터리 전압(3)의 파형을 픽업한다.  내연 기관의 시동 단계(1) 동안, 크랭크 축 위치는 내연 기관의 스타터 작동 시에 배터리 전압 파형(3)으로부터 검출된다.
Patent KR-20020019554-A (KR)
IPC: H04N7/24
Filed: 2001-05-01
Abstract: 본 발명은 제한된 용량의 통신 링크(105)를 통해 제한된 리소스들의 단말기 상에 코딩된 시청각 데이터의 전송 및 처리를 허용하는 수신기(101)와 단말기(102) 간의 통신 시스템에 관한 것이다. 이러한 목적을 위해서, 통신 시스템은 상기 수신기가 상기 단말기와 교환되는 양방향 제어 신호에 따라서, 상기 단말기로 보내진 선택된 데이터를 제공하기 위한 상기 데이터 스트림에 적용된 선택 수단을 포함하는 것을 특징으로 한다. 본 발명은 처리 단계들이 수신기와 단말기 사이에 공유되기 때문에, 비용 효율적인 해법을 갖는다: 그 수신기는 주로 단말기에 의해 처리될 수 있는 것이 무엇인지에 따라서 저장 또는 전송 관리에 대해 책임이 있는 반면, 상기 단말기는 주로 상기 수신되어 선택된 데이터의 렌더링(rendering) 및 디스플레이를 처리한다.
Patent KR-20020035847-A (KR)
Title: Current sensor
IPC: G01R15/18
Filed: 2000-07-24
Abstract: A fiscal electricity meter is described for measuring the energy supplied to a load. The load current flows through the primary winding of a transformer and induces an EMF indicative of the current flowing in the secondary winding. The secondary winding comprises a sense coil, arranged to couple more strongly to the primary, and a cancellation coil which have equal and opposite turns area products so as to provide a null response to extraneous magnetic fields. The coils are arranged so that their magnetic axis are co-located and aligned together so that they also provide a null response to extraneous magnetic fields having a field gradient.
Patent KR-20020025974-A (KR)
Title: 자유 유동성 중합체 조성물
IPC: C08J3/12
Filed: 2000-08-16
Abstract: 본 발명은 상당히 자유 유동성인 중합체 입자에 관한 것이다.  중합체 입자는 열기계 분석에 의해 측정된 약 75℃ 미만의 1mm 투과 온도 또는 1제곱 피트당 약 15파운드(1제곱 미터당 73킬로그램) 이상의 일축 항복 강도를 갖는다.  조성물은 또한 결합제의 존재 또는 부재하에 유효량의 점착 방지제를 포함한다.
Patent KR-20020035155-A (KR)
IPC: G11B5/48
Filed: 2001-07-25
Abstract: 본 발명은, 아암의 부착정밀도를 향상시키고, 동작중에도 아암사이의 치수변화가 생기지 않고, 확실하게 어스를 취할 수 있는 요동형 액츄에이터 및 그 제조방법을 제공하기 위해서, 원통형의 홀더(1)의 바깥둘레 측면의 판형상의 아암(2)의 두께보다도 큰 폭을 가진 홈(1a)을 형성하고, 이 홈(1a)에 아암(2)의 일끝단부를 삽입하여 홈(1a)의 아랫면 상에 배치하고, 이 상태로 수지(6)를 사출성형하여, 홀더(1), 아암(2), 코일(4), 및 홀더(1)와 아암(2)을 전기적으로 접속하는 띠형상의 도전성 부재(5)를 일체적으로 고정부착하도록 구성되어 있다.
Patent KR-20020054338-A (KR)
IPC: C08G64/30
Filed: 2000-10-24
Abstract: 본 발명은 디히드록시 화합물 및 탄산 에스테르를 함유하는 고체 입자, 그의 제조 방법, 그의 제조 장치, 에스테르 교환 반응 방법에 따른 폴리카르보네이트의 제조를 위한 그의 용도, 및 에스테르 교환 반응 방법에 따른 폴리카르보네이트의 제조 방법에 관한 것이다.
Patent KR-20020056907-A (KR)
IPC: B29C33/38
Filed: 2000-11-09
Abstract: 반사판(11)의 표면에는 하나 또는 복수의 요철(17)로 이루어지는 단위 반사 영역(13)을 형성한다. 반사판(11)에 입사되고 각 단위 반사 영역(13)에서 반사된 광은 소정 평면상에 설정된 고리띠 형상의 소정 면 영역(출사영역(14))의 전체에 출사된다. 이 출사영역(14)은 액정 패널l(18)에서 정반사된 광의 변색 영역(15)과의 중복이 작아지도록 설정된다. 이러한 구성에 의해 반사형이나 반투과형 등의 표시장치에 이용되는 반사판에 있어서, 쓸데 없는 방향으로 반사되고 있던 광을 적게 하여, 입사광의 광 이용 효율을 높일 수 있다.
Patent KR-20020091071-A (KR)
Title: 소프트웨어 컴포넌트를 생성하기 위한 ｎ-계층 소프트웨어아키텍처 디자인 방법 및 시스템
IPC: G06F9/44
Filed: 2000-12-28
Abstract: 확장 가능한 N-계층 소프트웨어 어플리케이션을 설계하는데 있어서 소프트웨어 컴포넌트(도1의 20a, 20b, 20c)를 이용하기 위한 소프트웨어 아키텍처 디자인 시스템 및 그 방법을 설명한다. 이 방법은 소프트웨어 컴포넌트를 생성하기 위한 소프트웨어 컴포넌트 규칙을 규정하는 단계, 계층(tier)들을 생성하기 위한 계층 규칙을 규정하는 단계, 및 각 계층이 적어도 하나의 소프트웨어 컴포넌트와 결합되도록 하는 결합(association) 규칙 및 각 계층이 적어도 하나의 다른 계층과 연결되도록 하는 연결(linkage) 규칙을 포함하는 어셈블리 규칙의 집합을 규정하는 단계로 구성된다. 
     계층 규칙은 각 계층 규칙을 통해 생성된 계층이 소프트웨어 컴포넌트 규칙을 통해 생성된 적어도 하나의 소프트웨어 컴포넌트와 결합하도록 하는 결합규칙의 집합, 계층 내부의 소프트웨어 컴포넌트를 위한 구조화된 컨텍스트(context)를 제공하기 위한 계층 프레임워크 규칙의 집합, 및 계층의 특정 동작들의 집합을 제공하기 위한 프레임워크 규칙에 의하여 정의된 프레임워크 내부에서 인터페이스들을 논리적으로 분류하기 위해 제공하는 패키지 규칙들의 집합을 포함한다.
Patent KR-20020095469-A (KR)
Title: Use of pyrido[3,2-e]-pyrazinones as inhibitors of phosphodiesterase 5 for treating erectile dysfunction
Filed: 2001-03-06
Abstract: The invention relates to the use of pyrido[3,2-e]-pyrazinones of formula (1) as inhibitors of phosphodiesterase 5 for treating erectile dysfunction (impotence).
Patent KR-20020086664-A (KR)
Title: 컨버전스 유닛을 구비하는 음극선관
IPC: H01J29/76
Filed: 2001-12-20
Abstract: 본 발명은, 3개의 전자빔(6, 7, 8)을 생성하는 전자총(5)과, 전자빔의 컨버전스에 동적으로 영향을 끼치는 컨버전스 수단(14)을 포함하는 칼라 디스플레이 디바이스에 관한 것이다. 컨버전스 수단(14)은 자기장을 생성시키는 코일(22)을 포함한다. 코일(22)에는 전기 전도 층이 제공된다.
Patent KR-20020091193-A (KR)
Title: 영구자석 층 구조를 갖는 자기 헤드
IPC: G11B11/105
Filed: 2002-01-14
Abstract: 고해상도 및 낮은 비트 에러 레이트의 MAMMOS 판독을 위해, 자기 헤드가 제공되는데, 이 헤드는, 도전성 권선(5a, 5b)을 포함하는 코일 층 구조(3a, 3b)를 갖는 평탄한 자기 코일(1)을 구비하며, 코일 층 구조에 평행하게 연장되며 평면내 자기축(m)을 갖는 영구자석 층 구조(7)를 구비한다.
Patent KR-20030004448-A (KR)
IPC: H04H60/31
Filed: 2002-03-25
Abstract: 인공 지능 어플리케이션들은 양 및 음의 예들을 포함하는 트레이닝 세트들의 이용을 요구한다. 음의 예들은 피처 스페이스 내에 기본 피처(dominant feature)에 관련한 양의 예들의 분포들을 이용하여 선택된다. 음의 예들은 피처 스페이스 내에 기본 피처의 값들인, 양의 예들을 공유할 수 있거나 대략적으로 공유해야 한다. 트레이닝 세트의 이런 유형은 콘텐트 추천기, 특히 텔레비전 쇼들에 대한 추천기들에 관련하여 도시된다.
Patent KR-20030023885-A (KR)
Title: Auctioning method lowering price automatically
Inventor: KIM YEONG HUN
IPC: G06Q30/00
Filed: 2000-08-10
Abstract: PURPOSE: A method for an auction capable of automatically lowing the price is provided to give priority to auction start time so as to proceed an auction quickly by lowering sell price in accordance with time interval price fall range at the same time with the auction start. CONSTITUTION: An auction site server includes an auction object storage, an auction price storage, and an auction proceeding information storage for storing auction time. The auction site server receives an auction request from the seller by storing the auction object, price, and time into corresponding storage. The auction site server uploads data stored in the auction storage, auction price storage, and auction proceeding information storage on the auction site. The server permits the seller to bid for the auction object for the auction period and awards the auction object to a buyer who clicks a bid button first for the auction period when the server of the auction site lowers the auction price from the one price among the auction prices.
Patent KR-20040063039-A (KR)
Inventor: HWANG SEONG MO
IPC: H04B10/40
Filed: 2003-01-04
Abstract: PURPOSE: A bi-directional optical transceiver using photonic crystal is provided to fabricate every composition element monolithically by using a PBG(Photonic Bandgap) of photonic crystal or dispersion effect of photonic crystal. CONSTITUTION: A light emitting device(120) outputs a laser beam(transmission light) of the first wavelength corresponding to an external electric signal. A photodetector(130) detects a portion of the transmission light and monitors an output of the transmission light. A light receiving device(140) detects an optical signal of the second wavelength inputted through an optical fiber link or the like and outputs an electric signal. An optical guide(150) guides the transmission light outputted from the light emitting device(120) to an optical fiber link and the receiving light inputted through th optical fiber link to the light receiving device(140).