baber/WOPTO huggingface dataset:
Patent KR-20120007241-A (KR)
Title: Using a vacuum insulation panel manufacturing method and a tent tent
Inventor: HWANG KYO SIK
IPC: E04B1/348
Filed: 2010-07-14
Abstract: PURPOSE: A tent manufacturing method using a vacuum insulation panel and a tent manufactured thereby are provided to improve structural stability by maintaining the shape of the tent even if external force is applied. CONSTITUTION: A tent manufacturing method using a vacuum insulation panel is as follows. A bottom part(80) of a tent(120) is assembled by connecting multiple vacuum insulation panels through connectors. A pair of side wall parts(90) are assembled by connecting the vacuum insulation panels through connectors. A roof part(100) is assembled by connecting the vacuum insulation panels through connectors. Four opening and closing door parts are assembled by connecting triangular and rectangular vacuum insulation panels through the connectors.
Patent KR-20120014686-A (KR)
Title: Led lighting device for edge type
Inventor: PARK TAE YEL
IPC: F21V29/00
Filed: 2010-08-10
Abstract: PURPOSE: An edge type LED lighting device is provided to improve energy efficiency by producing illumination with uniform illuminance on a wide area by reflecting and diffusing light which is emitted from an LED. CONSTITUTION: A case(10) forms an outside of an LED lighting device. The case includes a reflector(110) in a lower part. The reflector, which is formed at the lower part of the case, reflects light emitted from an LED on the lower part. An LED mounting unit(20) is formed on both sides of the case. The LED mounting unit is formed including the LED and an LED frame.
Patent KR-20120017651-A (KR)
Title: Method and apparatus for providing paymentt service, client device and server for payment service
Inventor: LEE JUNE HAWK
IPC: G06Q20/00
Filed: 2010-08-19
Abstract: PURPOSE: A device for payment service, and a method thereof, a client terminal thereof and a server thereof are provided to offer various events depending on the amount, the period, and the location of payment, and give benefits with the participation to the events. CONSTITUTION: A client terminal(100) provides a payment service to a user. A transaction information communicating unit(200) requests storing a payment history and an event information to the client terminal. A sale managing unit(300) performs applying a coupon and accumulating membership points. A credit card payment authorizing server(400) authorizes credit card payment. When payment history is received from the credit card payment authorization server, a payment service server(500) requests an invoke to the client terminal.
Patent KR-20110020744-A (KR)
Title: Support device for conveying heavy loads
Inventor: RUGE MARTIN
IPC: B65G39/10
Filed: 2010-08-20
Abstract: PURPOSE: A support apparatus for conveying heavy load is provided to enable the support apparatus to be strongly designed at reduced cost. CONSTITUTION: A support apparatus(12) for conveying heavy load comprises a support body and a roller body. The support apparatus supports a load, which moves along a support region. The roller body is covered by a belt(6) over entire width on the support region. The roller body rotates around the support body. The roller body comprises a support roller(3) and a separation roller(9). The support roller rolls on the support body and the belt on the support region. The diameter of the separation roller is smaller than that of the support roller. The separation roller makes consecutive support rollers distant from each other.
Patent KR-20120021894-A (KR)
Title: 연결구 내에서 분리와 누수되지 않도록 양수소켓을 이용한 관과 그 연결방법
Inventor: KIM HAK GUN
IPC: F16L47/16
Filed: 2010-08-20
Abstract: 본 발명은 연결구 내에서 분리와 누수 되지 않도록 결합하는 상하수도관과 그 연결방법에 관한 것으로, 더욱 상세하게는 연결구에 편수컬러 형태로 융착 연결하는 상하수도관에 수밀이 유지되도록 결합하는 상하수도관을 연결구 내경에서 나사식으로 결합하여 수밀이 유지되면서 수압 등으로 상하수도관의 결합상태가 해제되지 않도록 연결하는 연결구 내에서 분리와 누수 되지 않도록 결합하는 상하수도관과 그 연결방법에 관한 것이다. 
이러한 본 발명은 상하수도관의 한쪽 끝 부분을 결합하여 고정 마감부(23)에서 일체형으로 연결하는 연결구(20)의 돌출부(21) 내부에 형성한 패킹홈(22)에 고무 패킹(30)을 결합하여 상기 고무 패킹(30)의 내경으로 결합하는 상하수도관에 있어서, 
상기 상하수도관(10, 12)의 한쪽 끝 부분에 외경을 가공하여 숫나사부(11)를 형성하고, 상기 연결구(20)의 내경에 암나사부(25)를 성형하며, 상기 숫나사부(11)가 성형되지 않은 반대쪽을 연결구(20)의 고정 마감부(23)에 결합하여 연결한 후  상기 숫나사부(11)가 형성된 상하수도관(10)을 연결구(20)의 고무 패킹(30) 내경으로 삽입하여 상기 숫나사부(11)를 암나사부(25)와 나사식 결합하는 것을 특징으로 하는 것이다.
Patent KR-20120018689-A (KR)
Title: Method and apparatus for displaying residual card slip in card terminal
Inventor: KIM JEONG HWAN
IPC: G06K7/02
Filed: 2010-08-23
Abstract: PURPOSE: A method and an apparatus for displaying residual card slip are provided to output an alarm or a message and to increase the convenience of a user by displaying a card slip. CONSTITUTION: If a payment approval response is received from a payment gateway server, a printer(160) outputs a card slip. A controller(110) sets up the entire length of a card slip which is inserted into a card terminal, a printer motor(160a) calculates a sum value by calculating the length of the card slip. The controller calculates the number of available card slips.
Patent KR-20120034147-A (KR)
Inventor: KWAK HAE SOO
IPC: A23P1/04
Filed: 2010-08-26
Abstract: PURPOSE: Milk containing micro-encapsulated inonotus obliquus, and a producing method thereof are provided to offer the functionality of inonotus obliquus users. CONSTITUTION: Milk contains 0.5-2% of micro-encapsulated inonotus obliquus. The micro-encapsulated inonotus obliquus is obtained by mixing an inonotus obliquus extract powder solution and medium chain triglyceride in a ratio of 0.5-5.5:10(w/w), and stirring the mixture for 30 seconds-3 minutes in the speed of 1,000-1,500rpm. The inonotus obliquus extract powder solution contains 0.5-11.5ml of water.
Patent KR-20120023877-A (KR)
Title: Liver specific gene ws-h10m06630
Inventor: JANG DAI JA
IPC: C07K14/47
Filed: 2010-09-02
Abstract: PURPOSE: A protein which is specifically expressed in liver tissue, WS-H10M06630, and a gene encoding the same are provided to diagnose diseases and reduce side effect of drug. CONSTITUTION: A protein specifically expressed in liver tissue, WS-H10M06630, contains an amino acid sequence of sequence number 2. A gene encoding the protein has a base of sequence number 1. A recombinant vector contains the gene encoding the protein. A transformant is prepared by transforming with the recombinant vector. A microarray for diagnosing liver-related diseases contains the gene or an antibody to WS-H10M06630 protein.
Patent KR-20120025060-A (KR)
Title: Apparatus and method for power control in broadband wireless access system
Inventor: YUN YU SUK
IPC: H04W52/18
Filed: 2010-09-06
Abstract: PURPOSE: A power control device in broadband wireless access system and a method thereof are provided to selectively apply a power control system by the existence of data service and data transmission rate. CONSTITUTION: A control unit(470) determines either one application of a first power control of slot cycle and a second power control of frame cycle. A first TPC(Transmit Power Control) generating unit(420) generate a TPC command for each slot by a slot unit rake SNR(Signal to Noise Raito) of a SNR estimating unit(410). A second TPC generating unit(430) generate a TPC command based on SNR of frame cycle by frame unit rake SNR and an equalizer SNR of the SNR estimating unit. A modem(450) transmits the power control command.
Patent KR-20120025885-A (KR)
Title: Organic electroluminescent display device
Inventor: PARK JONG HYUN
IPC: H01L51/52
Filed: 2010-09-08
Abstract: PURPOSE: An organic electroluminescent display device is provided to easily manufacture a shadow mask for forming a light emitting layer by forming red, green, and blue color light-emitting layers into transformed octahedral shapes. CONSTITUTION: A plurality of pixel regions is divided into a first row and a second row according to a horizontal direction. The first row is divided into a first line and a second line according to a lateral direction which is perpendicular to the horizontal direction. Red and green color sub-pixel regions(SPr,SPg) are alternately arranged in the first line and the second line of the first row. A blue color sub-pixel region(SPb) is arranged in the second row. Red, green, and blue color light-emitting layers(132,134,136) are respectively formed in the red, green, and the blue color sub-pixel region.
Patent KR-20110137229-A (KR)
Title: Voltage-controlled oscillator
Inventor: SEOL HO SEOK
IPC: G11C7/22
Filed: 2010-09-13
Abstract: PURPOSE: A voltage controlled oscillator is provided to reduce current consumption by adaptively controlling an amount of bias currents according to a frequency of an output clock signal. CONSTITUTION: An oscillator outputs first and second output clock signals with a frequency which is varied in response to a control voltage. An active device(200) is connected to the oscillator and maintains the oscillation of the oscillator. A bias current generator(500) is connected to the active device at a bias node and adaptively controls an amount of bias currents provided to the bias node in response to the control code. First and second capacitor banks(300,400) are connected to the oscillator and the active device at a first output node and a second output node and provides first and second load capacitance to the first output node and the second output node in response to the control code.
Patent KR-20120028601-A (KR)
Title: System and method for traffic contol based on service
Inventor: KIM YOUNG JONG
IPC: H04L12/28
Filed: 2010-09-15
Abstract: PURPOSE: A system and method for controlling traffic based on a service are provided to prevent traffic concentration on a gateway server by performing routing control about the traffic generated based on traffic control information from a user terminal. CONSTITUTION: A connection address for a gateway server(300) is obtained from a wireless relay device(200) in a wireless data transmission system. A user terminal(100) transmits an authentication process request to the gateway server. The gateway server performs an authentication process for the user terminal according to the authentication process request. The gateway server transmits an authentication process response including traffic control information for controlling the traffic routing of the user terminal to the user terminal. An authentication server(400) is proceed the authentication process about the user terminal. The authentication server stores the traffic control information for each user terminal.
Patent KR-20120029026-A (KR)
Inventor: LEE SANG GYU
IPC: H04B10/00
Filed: 2010-09-15
Abstract: 본 발명은 센싱 및 통신 서비스 기술을 개시한다. 즉, 본 발명의 실시예에 따른 패턴코드 인식 펜과 연동하는 콘텐츠 뷰 광통신 시스템 및 그 구동 방법은 패턴코드 출판물에 인쇄된 패턴코드를 감식하는 패턴코드 인식 펜과 연동하는 셋톱박스를 활용해 콘텐츠 제공 서버에 의해 제공되는 콘텐츠 중 선택된 하나를 기연결된 초고속 광통신망을 통해 제공받은 후, 셋톱박스와 기연결된 표시부를 이용하여 선택된 콘텐츠를 외부 표출시킴으로써, 패턴코드 인식 펜과 셋톱박스 간의 긴밀한 연동을 통해 패턴코드 인식 펜에 의해 감식된 패턴코드와 1:1 매칭되는 콘텐츠를 셋톱박스와 초고속 광통신망으로 연결된 콘텐츠 제공 서버로부터 언제든지 제공받을 수 편리함이 있을 뿐만 아니라, 기제공된 콘텐츠를 표시부의 스크린과 스피커를 통해 시청, 청취할 수 있음으로 인해 감식된 패턴코드에 해당하는 콘텐츠를 호출할 수 있는 패턴코드 인식 펜을 구매하고자 사용자의 구매 욕구를 충족시킨다. 
또한, 본 발명은 패턴코드 인식 펜을 구매하고자 사용자의 구매 욕구를 충족시킴에 따라, 패턴코드 인식 펜과 더불어 이와 파생되는 셋톱박스 및 표시부의 구매율 및 사용율의 동반적 증가로 기업 이윤의 극대화를 최대한으로 기대할 수 있다. 
또한, 본 발명은 극대화된 기업 이윤의 창출로 사회적 공헌도를 높일 수 있을 뿐만 아니라 산업 발전과 국가 발전에 크게 이바지한다.
Patent KR-20120031396-A (KR)
Inventor: CHUNG KWANG SOO
IPC: G06F3/033
Filed: 2010-09-24
Abstract: PURPOSE: A touch pen is provided to clean the body and mind of an operator and to maintain a neighboring environment if a user uses the touch pen. CONSTITUTION: A cap(11) is combined on the top of a conductive metal pipe(10). A tip(12) for touch screen is combined on the bottom of the conductive metal pipe. A container(20) is combined on the top of the cap. An aromatic agent(21) is involved inside the container. The aromatic agent is solid aromatic agent(21a) or a filter type aromatic agent.
Patent KR-20120034847-A (KR)
Inventor: SHIN SEUNG HO
IPC: F16K31/02
Filed: 2010-10-04
Abstract: PURPOSE: A valve with a piezo actuator is provided to reduce time for deicing a valve by simultaneously applying heat by a heater and vibration of a piezo actuator in a state where the valve is freezed. CONSTITUTION: A valve comprises a valve housing(200) and a piezo actuator. The valve housing comprises an inlet in which fluid is flowed and an outlet(220) in which the fluid flowed in is discharged. The piezo actuator is installed in the upper part of the valve housing and crushes freezing inside the valve housing with vibration of the piezo actuator.
Patent KR-20110037873-A (KR)
Title: Media system with social awareness
Inventor: WANDERSKI MICHAEL C
IPC: G06Q30/00
Filed: 2010-10-04
Abstract: PURPOSE: A media system having social awareness is provided to increase media streaming processes by inserting personalized social awareness based content into media stream. CONSTITUTION: A media server computer monitors media stream(152). Personalized social awareness based content is inserted within the media stream by selecting a marker(154). The monitored media stream is converted(156). The personalized social awareness information is identified by the media server. The personalized social awareness based content is derived by using the identified social awareness information.
Patent KR-20120034938-A (KR)
Title: Multipurpose indicator
Inventor: JUNG YOUNG MI
IPC: E01F13/00
Filed: 2010-10-04
Abstract: PURPOSE: A multipurpose indicator is provided to keep a gap in predetermined interval, use for multipurpose, and minimize the volume. CONSTITUTION: A multipurpose indicator includes a pole(110), a connector(210), and a joint(310). The pole is vertically installed on the ground and has a housing space(111). The connector is accommodated in the housing space of the pole to draw out. The joint couples the connector of a target indicator to a pole or a connector of other indicator.
Patent KR-20120037744-A (KR)
Title: Substrate treatment system
Inventor: LEE SANG YONG
IPC: H01L21/203
Filed: 2010-10-12
Abstract: PURPOSE: A substrate processing system is provided to maximize space efficiency by successively supplying a substrate to each process chamber according to a process sequence with a stepping operation. CONSTITUTION: A plurality of openings(11) are formed in a sidewall of a main chamber(10). A plurality of process chambers(30) are formed in the outside of the opening of the main chamber. A transfer chamber(50) is formed in the main chamber. The transfer chamber supplies the substrate to the process chamber. A gate valve(G) is formed between the main chamber and the process chamber to open and close the opening.
Patent KR-20120038748-A (KR)
Title: Apparatus and method warning danger of lane change
Inventor: KWON YOUNG MIN
IPC: B60W30/08
Filed: 2010-10-14
Abstract: PURPOSE: Alarming apparatus and method for a lane changing risk are provided to accurately inform lane changing possibility to drivers based on the position of approaching vehicles. CONSTITUTION: Alarming apparatuses for a lane changing risk is installed at vehicles(100, 200, 300). An alarming apparatus includes a sensor part and a controlling part. The controlling part informs lane changing possibility to a driver based on information related to approaching vehicle information and signals from the sensor part. The controlling part verifies and predicts the position of an approaching vehicle.
Patent KR-20110070763-A (KR)
Title: Method for extracting gop structure
Inventor: LEE MI YOUNG
IPC: H04N19/177
Filed: 2010-10-19
Abstract: PURPOSE: A GOP structure extraction method is provided to prevent a GOP structure from being cut in the boundary of the maximum GOP size. CONSTITUTION: A motion feature vector is denormalized in a final GOP(Group Of Picture) among GOPs drawn within the previously acquired maximum GOP size(S221). A motion feature vector for a frame within all current maximum GOP sizes is calculated(S222). A motion accumulation vector is obtained(S224). The index of a motion accumulation vector having the minimum level normalization size is selected(S225). The motion feature vector and the motion accumulation vector are reset by reflecting the selected index(S226).
Patent KR-20120042306-A (KR)
Inventor: HA DO HOON
IPC: G06Q50/00
Filed: 2010-10-25
Abstract: 본 발명은 부동산정보 제공 방법 및 시스템에 관한 것으로, 특정 지역의 부동산매물에 대한 정보를 주변의 상권분석 및 부동산 가치를 판단하여 실제 부동산매물에 대한 이미지와 상세 정보를 결합한 증강 현실로 제공함으로써, 건물의 외부에서 단말기를 통해 부동산매물을 검색할 수 있음으로, 사용자가 구매하고자 하는 부동산매물을 직관적으로 검색할 수 있으며, 매물의 주변 상황에 대해서도 실시간으로 판단할 수 있어 유용하다. 또한, 특정 지역의 건물에 대한 위치나 면적등과 같은 단순 정보뿐만 아니라 해당 부동산매물에 대한 가상의 정보를 함께 제공함으로써, 온라인을 통해 부동산 거래를 제공하여 사용자가 부동산매물에 대한 가치를 보다 쉽게 파악할 수 있도록 하며, 부동산 거래를 더 활성화시키는데 효과적이다. 또한, 상권의 다양한 정보를 증강현실 기반의 특정 지역에 대한 건물 주변의 정보를 함께 확인할 수 있게 되므로 현재 및 미래의 건물에 대한 자산 가치 상승 및 하락에 대한 판단 기준을 파악하는데 도움을 줄 수 있다.
Patent KR-20120046414-A (KR)
Title: Apparatus and method for providing result of mid-translation processing
Inventor: SEO NA MI
IPC: G06F17/28
Filed: 2010-11-02
Abstract: PURPOSE: An apparatus and a method for providing a result of a mid-translation process are provided to display a translation process result to a user in a translation process type. CONSTITUTION: An input unit(110) inputs an original input. The input unit inputs a translation process type for translating original input from the user. A translation process unit(120) translates original input. The translation process unit generates a translation process result including a morpheme analysis result, a morpheme tagging result, a sentence analysis result, and a structure conversion result. A display unit(130) displays the generated translation process result to the user.
Patent KR-20120046594-A (KR)
Title: Suture produced by using polyoctylcyanoacrylate and the method for preparing thereof
Inventor: KIM DONG JIN
IPC: D01D5/08
Filed: 2010-11-02
Abstract: PURPOSE: A method for fabricating a suture using polyoctyl cyanoacrylate is provided to maintain tensile strength and to obtain the suture absorbed into human body with problem. CONSTITUTION: A method for fabricating a suture comprises: a step of preparing octyl cyanoacetate by reaction of cyanoacetic acid and octane alcohol under the presence of solvent; a step of reaction of octyl cyanoacetate and paraform aldehyde under the presence of solvent; a step of removing solvent after the reaction and purifying the octyl cyanoacrylate; a step of collecting polyoctyl cyanoacrylate from by-product; and a step of melt-spinning or extruding the polyoctyl cyanoacrylate. The solvent includes benzene, toluene or xylene.
Patent KR-20120048058-A (KR)
Inventor: YOON CHAN SUN
IPC: H01L21/677
Filed: 2010-11-05
Abstract: 본 발명은 이송장비에 관한 것으로, 본 발명은 본체 프레임; 상기 본체 프레임에 구비되는 수평방향 가이드부재들; 상기 수평방향 가이드부재들을 따라 움직임 가능하게 결합되며, 상하방향 가이드부재들이 구비된 수평방향 이동프레임; 상기 수평방향 이동프레임을 움직이는 수평방향 구동유닛; 상기 상하방향 가이드부재들을 따라 움직임 가능하게 결합되는 상하방향 이동부재; 상기 상하방향 이동부재를 움직이는 상하방향 구동유닛; 상기 상하방향 이동부재에 회전 가능하게 결합되며, 기판을 흡착하거나 그 흡착을 해제하는 흡착 포크; 및 상기 흡착 포크를 회전시키는 회전 구동유닛을 포함한다. 본 발명은 기판을 흡착하는 흡착 포크가 수평 운동과 수직 운동 그리고 회전 운동이 동시에 진행되면서 이동하게 되므로 흡착 포크가 카세트에 담긴 기판을 스테이지로 이동시키고 다시 카세트에 담긴 기판을 흡착하기 위하여 카세트쪽으로 이동하는 시간이 짧게 되고, 또한 흡착 포크가 움직이는 공간이 작게 된다.
Patent KR-20120048273-A (KR)
Title: Bracket for supporting drive shaft of construction machinery
Inventor: PARK HEUNG KEUN
IPC: E02F9/00
Filed: 2010-11-05
Abstract: PURPOSE: A driving shaft supporting bracket of a construction equipment has advantageous structure for bearing the load of a driving shaft and resonant frequency for avoiding vibratile frequency. CONSTITUTION: A driving shaft supporting bracket of a construction equipment comprises a bearing supporting plate(20), a body(30), and a bending reinforcement plate(40). The bearing supporting plate supports the bearing of a driving shaft. The body is fixed in a front frame through being extended to left and right direction from both sides of the bearing supporting plate. The bending reinforcement plate is formed into the left and right direction in the bottom of the body.
Patent KR-20120051422-A (KR)
Inventor: KIM SANG DON
IPC: H04W88/02
Filed: 2010-11-12
Abstract: PURPOSE: A wireless signal processing apparatus and a method thereof are provided to process a control signal and a data signal through a local area wireless communication. CONSTITUTION: A connection/disconnection sensing unit(260) senses installation of a peripheral device(110). A communication unit(220) receives a control signal and a data signal from a client terminal through local area wireless communication. A data processing unit(240) transmits the received data signal to the peripheral device. The data signal is transmitted to the data processing unit under control of a mode control unit(270).
Patent KR-20120051975-A (KR)
Inventor: KWUN DOO HYUK
IPC: B62D37/02
Filed: 2010-11-15
Abstract: 본 발명은 차속 가변형 범퍼립에 관한 것으로, 차체의 전측에 고정 형성되는 빔부재에 대해 범퍼립의 일측을 힌지 연결하는 힌지부, 및 이 범퍼립의 타측을 차량의 속도에 따라 강제 회동시키는 작동부를 포함하는 것을 특징으로 한다. 
본 발명은 종래 기술과 달리 차량의 속도에 따라 범퍼립의 각도를 가변시킴으로써 차체 하측의 냉각성능 및 공력 성능을 향상시킬 수 있다.
Patent KR-20120051559-A (KR)
Title: Natural bio antioxident extract and this mix material bio product
Inventor: KWON O TAE
IPC: C09K15/02
Filed: 2010-11-12
Abstract: PURPOSE: A natural bio antioxidant composition is provided to obtain excellent antioxidant ability, and stability for natural ecological environment, human body and animals and plants. CONSTITUTION: A manufacturing method of a natural bio antioxidant composition comprise: a step of preparing a culture vessel; a step of mixing bacteria, lactobacillus, yeast, actinomyces, bacillus cereus, and mold fungi; a step of mixing the microorganism mixture with extracted rice bran liquid, sugar, bay salt liquid, and effective microorganisms liquid, and cultivating microorganism; a step of additionally mixing the six microorganisms and sugar to the cultivated mixture after seven days; and a step of cultivating for total 25 days.
Patent KR-20120053879-A (KR)
Title: Computer lock terminal module, computer lock module and computer lock method using the same
Inventor: CHOI JUN YOUNG
IPC: G06F21/82
Filed: 2010-11-18
Abstract: PURPOSE: A computer locking terminal module, a computer locking module, and a computer locking method are provided to prevent the leaking of various information such as personal information and confidential business information of a computer user which are exposed through a monitor of a computer. CONSTITUTION: A computer locking terminal module comprises the following units. Local area communication is made between a local area communication device and a computer at a preset time interval through a local area communication unit(112). A communication monitoring unit(114) monitors a local area communication state. The communication monitoring unit is turned on to monitor whether local area communication is made between the local area communication device and the computer when the local area communication is made. When time for locking a function of the computer is larger than preset time, the communication monitoring unit is turned off.
Patent KR-20120054211-A (KR)
Title: Unit for large distributor
Inventor: KANG HYUN SEO
IPC: G02B6/125
Filed: 2010-11-19
Abstract: PURPOSE: A large diameter optical splitter and a manufacturing method thereof are provided to enhance distribution efficiency by radiating a first output unit and a second output unit branched in an input unit as a v-shape of interval angle under 25degrees. CONSTITUTION: A large diameter optical splitter comprises an input unit(12) and a core(10). A cladding surrounds the core. Top and bottom housings surround the cladding. The core comprises a first output unit and a second output unit having a v-shape in the input unit. The first output unit and the second output unit are branched to interval angle of 0 to 25 degrees. The input unit, the first output unit, and the second output unit are radiated from one mold. The first output unit and the second output unit separate an optical signal provided from the input unit as a distribution ratio of about 0.49.