baber/WOPTO huggingface dataset:
Patent KR-20100085641-A (KR)
Title: Assistant apparatus for oral treatment
Inventor: LEE EUL HO
IPC: A61C19/00
Filed: 2009-01-21
Abstract: PURPOSE: An auxiliary device for oral treatment is provided to improve the adhesion between the auxiliary device for the oral treatment and both cheeks of patient's oral cavity. CONSTITUTION: An auxiliary device for oral treatment includes: a body portion which is inserted to tightly seal the inner oral cavity of the front part of the uvula; a pair of lateral wing parts(3420) which adhere closely to the skin of patient's both lateral cheeks; and an upper wing portion(3410) which adheres closely to the upper skin of the patient's oral cavity in the state that the upper wing portion perpendicularly projects in the opposite direction that the body portion is inserted. The body portion and the lateral wing part are formed into one body and the lateral wing part perpendicularly projects from the outer circumference of both lateral sides of the body portion in the opposite direction that the body portion is inserted.
Patent KR-20090023462-A (KR)
Title: 안경용 스프링 힌지
Inventor: KIM SUNG CHUL
IPC: G02C11/02
Filed: 2009-02-13
Abstract: 본 발명은 안경용 스프링 힌지에 관한 것으로, 장식 브라켓을 안경다리에 삽착한 후, 더블힌지와 코일스프링이 수장된 힌지케이스를 장식 브라켓과 볼트로 체결함으로써, 용접 및 은납땜이 필요하지 않아 조립 및 해체가 용이하고, 더블힌지와 코일스프링의 수리 및 교체가 가능할 뿐만 아니라, 장식 브라켓과 안경다리의 교체장착이 가능하여 다양한 형태로 연출할 수 있는 특징이 있다. 
     본 발명은 크게 다섯 부분으로 구성되는바, 철편 형태로 형성되되, 양측 상면으로는 원형기둥(11a, 11b)이 상부로 돌출되게 형성되고, 그 원형기둥(11a, 11b)에는 나사골이 형성된 통공(12a, 12b)이 일체로 구성된 장식 브라켓(10)과; 상기 장식 브라켓(10)과 결합되는 캡 형태로 형성되되, 내부에는 공간부(21)가 형성되고, 양측에는 상기 통공(12a, 12b)과 연통되도록 볼트공(22a, 22b)이 형성된 힌지케이스(20)와; 상기 힌지케이스(20)의 내부에 수장되도록 단면이 'U'자 형태로 형성된 철편의 양끝단에 경첩부(A)와 결합되도록 관통공(31)이 형성된 더블힌지(30)와; 힌지케이스(20)의 내부에 수장되되, 더블힌지(30)의 움직임에 따라 압축과 신장이 되도록 구성된 코일스프링(40)과; 상기 힌지케이스(20)와 장식 브라켓(10)을 일체로 결합하는 볼트(50a, 50b)로 구성되는 대략적인 구성을 갖는다. 
     상기와 같이 구성된 본 발명은, 장식 브라켓을 안경다리에 삽착한 다음 더블 힌지와 코일스프링이 수장된 힌지케이스를 장식 브라켓과 볼트로 체결함으로써 용접 및 은납땜을 하지 않더라도 스프링 힌지가 구비된 안경다리의 제작이 쉽고 빠르며, 힌지케이스의 조립 및 해체가 가능하여 수리 및 교체가 가능한 효과가 있다. 
     또한, 장식 브라켓을 용접이나 은납땜을 하지 않고 볼트로 체결함으로써 코일 스프링의 열변형을 야기시키지 않아 스프링의 강도가 제작된 조건 그대로 유지되는 효과가 있다. 
     또한, 장식 브라켓과 안경다리를 쉽게 교체장착이 가능하여 사용자가 직접 다양한 형태로 교체함으로써 일층 미려하게 사용이 가능하며, 오랜 기간 사용할 수 있는 효과가 있다. 
       
     안경용 스프링 힌지, 안경테, 안경다리, 힌지, 스프링, 장식 브라켓
Patent KR-20100093271-A (KR)
Title: Electronic component bonding method and apparatus using vibration energy
Inventor: KIM KYUNG SOO
IPC: H05K13/04
Filed: 2009-02-16
Abstract: PURPOSE: By sanctioning the vibration energy to the traverse direction as to the electronic component bonding method and the vibration energy confirmation device, using the vibration energy the plane can prevent damage. CONSTITUTION: Provided is the resin for connection(3) among the first electronic component(1) and the second electronic component(2). The first electronic component and the second electronic component are each other arranged. The resin for connection becomes the fine scenery so that the elasticity generate in the resin for connection. The vibration energy is sanctioned in the resin for connection in which the elastic force generates and the first electronic component and the second electronic component are each other securely fixed.
Patent KR-20100096523-A (KR)
Title: Apparatus and method for processing image data
Inventor: KIM YOUNG GEOL
IPC: H04N9/64
Filed: 2009-02-24
Abstract: PURPOSE: A device and a method for processing an image data is provided to generate data patch for more rapid and easy sub sampling. CONSTITUTION: A partitioning unit(210) divides an image data into a plurality of blocks. A line memory control unit(220) stores the divided blocks in each line memories(231~233). By successively approaching pixel data values stored in each line memories, a data patch generating unit(240) generates data patch for sub sampling of the image data.
Patent KR-20100096851-A (KR)
Title: Column and wide type cross beam joint struvture
Inventor: EUM GI HYUNG
IPC: E04B1/24
Filed: 2009-02-25
Abstract: PURPOSE: A connection structure between a steel column and a steel beam structure is provided to reduce construction costs by reducing the height between floors of a building. CONSTITUTION: A connection structure between a steel column and a steel beam structure comprises a column steel member(100), a joint part(110), and a steel beam structure. The column steel member is vertically installed. The joint part is horizontally formed in the column steel member to have a wider width than the column steel member. The steel beam structure is coupled to the column steel member through the joint part.
Patent KR-20100099426-A (KR)
Title: Jam removing apparatus and printer having the same
Inventor: YOON BYEONG UN
IPC: G03G15/00
Filed: 2009-03-03
Abstract: PURPOSE: A jam removal apparatus and a printer including the same for effectively eliminating the jamming of the printer are provided to easily eliminate the jam by attaching additional apparatus on a printer. CONSTITUTION: A lever unit is arranged in one side of a printer. A rotation unit is engaged with the lever unit. One end of the rotation unit is connected to a rotation shaft of a motor. An opening is formed in the center of the rotation in a first gear(110). A holder(120) is fixed and mounted to one side of the printer. A protrusion lever(130) is projected through the opening. A first pressing spring(140) is arranged between the first gear and the protrusion lever.
Patent KR-20100101368-A (KR)
Inventor: KIM JONG JIN
IPC: F16B19/05
Filed: 2009-03-09
Abstract: 본 발명은 특히 자동차 차체 판넬에 트림 보드 등 복수의 작업을 중합상태로, 동시에 해체가능하게 고정하기 위한 플라스틱으로 형성한 암부재와 수부재와 로 이루어지는 플라스틱제 리베트에 플라스틱제 리벳에 관한 것이다. 
     본 발명의 구성은, 암부재와 수부재로 이루어지는 플라스틱제 리벳으로, 암부재의 각 분할편의 하단에 내향지게 손톱부을 돌출 형성함과 동시에, 날(edge)부의 상면에는, 통형 몸통부의 내측 둘레에 따라 상면과 하면이 평평하며, 그 중간이 원주방향의 1방향에 경사한 단차가 있는 복수의 톱니형 캠을 원주방향에 동일간격으로 마련하고,  
     상기 수부재에는 머리부의 하면에, 하단이 상기 톱니형 캠의 상면이나 하면에 습접할 수 있는 하향의 돌기를 마련하고,  
     축부의 하단부 외주에는 상기돌기가 톱니형 캠의 상면상 혹 그것보다도 위로 위치할 때에 전기 암부재의 각 분할편의 내향지게 손톱부를 요입하는 요부를 원주방향에 간격을 유지해서 마련함과 동시에,  
     중심의 각 요부 상측 둘레에 전기 돌기가 톱니형 캠의 하면에 습접하고 있을 때에 각 분할편의 내향지게 손톱부를 걸쳐지게 하여, 중심 분할편을 외측으로 확장한 상태로 유지하는 계지융기를 원주방향에 인접 간격을 유지해서 마련하고,  
     수부재 축부의 하단부 외주에 마련한 요부는, 암부재의 통형 몸통부에 복수의 분할편을 형성하는 슬릿(slit)내에 습접하는 방사상으로, 전기 계지융기의 인접  간격에 따라 축방향 하향에 연장되는 경계벽에서 구분한 것이다. 
       
     플라스틱, 리벳, 암부재, 수부재, 차체판넬, 보드, 날부, 손톱부, 몸통부, 톱니형 캠, 요부, 계지융기, 경계벽
Patent KR-20100103770-A (KR)
Title: The condensing system for thermal plant using refrigerant evaporation heat
Inventor: RIM HYO JIN
IPC: F01K9/00
Filed: 2009-03-15
Abstract: PURPOSE: A condensing system for a steam plant using coolant evaporation heat is provided to function as a steam condenser, since vaporized coolant is transferred to a condenser through a pipe and emits heat using cooling water. CONSTITUTION: A condensing system for a steam plant using coolant evaporation heat comprises a steam condenser(31), a coolant cooling circuit, and coolant. The coolant cooling circuit is successively connected to a condenser(32), a coolant tank(33), and a coolant supply pump(35) in a closed circuit. The coolant is filled in the coolant cooling circuit.
Patent KR-20090129321-A (KR)
Title: Power amplifier
Inventor: YAMAMOTO KAZUYA
IPC: H03F1/32
Filed: 2009-03-25
Abstract: PURPOSE: A power amplifier is provided to prevent deterioration of the distortion characteristics and to increase the design freedom. CONSTITUTION: The transistor(Tr2) for amplification amplifies the radio frequency signal. The bias circuit(B2) supplies the bias current to the base of the transistor for amplification. The cathode of the first diode(Da1) is connected to the input terminal. The anode of the second diode(Da2) is connected to the output terminal. The second diode is connected to the first power source. The Y-matching attenuation circuit(MA) is connected between the cathode of the second diode and the first diode anode. The impedance mismatch of the output terminal side and input terminal is reduced and the radio frequency signal is damped. The current mirror circuit(CM1) is connected to the cathode of the first diode. The first and the second diode are driven. The series-resonant circuit(SRC) is connected between the base of the transistor for amplification and earth point. The resonant frequency is set in the movement frequency range of the transistor for amplification. The switch(SW) is connected between the serial resonant circuit and earth point.
Patent KR-20100107896-A (KR)
Title: A movable welding robot with discharge circuit of static electricity
Inventor: PARK TAE GARB
IPC: B23K37/00
Filed: 2009-03-27
Abstract: PURPOSE: A movable welding robot system capable of preventing generation of static electricity is provided to protect a user from electric shock by discharging static electricity through a grounding circuit. CONSTITUTION: A movable welding robot system capable of preventing generation of static electricity comprises a welding robot main body(100), and lower and upper grounding circuits(600,500). When the welding robot main body performs welding or moves to a welding site, a grounding unit contacts a base plate of a panel block(200) and the lower grounding circuit is successively grounded in the welding robot main body, the grounding unit, the panel block, and a panel block support(400). When the welding robot main body is raised or lowered by a lifting device, the upper grounding circuit is successively grounded in the welding robot main body, s robot control board, an exclusive grounding line(350), and the panel block support.
Patent KR-20100108734-A (KR)
Title: Motor for an electric bicycle
Inventor: YIM JUNG KYU
IPC: H02K1/12
Filed: 2009-03-30
Abstract: PURPOSE: A motor for an electric-powered bicycle is provided to reduce cogging torque and a torque ripple by burying a magnetic piece to the insertion hole of a rotor. CONSTITUTION: A magnetic piece is buried in the outer peripheral part of a rotor(110). A rotary shaft is fixed to the central part of the rotor. A stator(120) stores the rotor. A coil is wound in the stator. The stator is fixed to the inner peripheral part of a carrier. A deceleration gear assembly includes a main gear, a sub gear, and a ring gear. A housing stores the carrier. A pair of shafts(161,162) clinch the carrier on an electric-powered bicycle.
Patent KR-20100111439-A (KR)
Title: Intermittent control device and suction device including the same
Inventor: SUNG YONG JAE
IPC: A61M27/00
Filed: 2009-04-07
Abstract: PURPOSE: An intermittent control device and a suction device including the same are provided, which can inhale objects intermittently at the regular time interval. CONSTITUTION: An intermittent control device comprises: a source port(414) connected to an external vacuum source; a tank port(415) connected to a control tank shut tightly; a regulator port communicating with a suction unit; a port(495) in which a diaphragm is settled; a switching lever(420) which is elastically-biased downward; a slider(440) in which one side is connected to the switching lever and the other side is connected to a piston; and a switch(455) cutting connection of the source port and regulator port.
Patent KR-20100114170-A (KR)
Title: Composition for anticancer containing umbilical cord blood- or adipose tissue-derived stem cell
Inventor: KANG KYUNG SUN
IPC: A61P35/04
Filed: 2009-04-15
Abstract: PURPOSE: An anticancer composition containing adult stem cells which are derived from umbilical cord blood or adipose is provided to introduce apoptosis and to suppress cancer cell proliferated. CONSTITUTION: An anticancer composition contains adult stem cells derived from umbilical cord blood or adipose. The cancer is gastric cancer, lung cancer, breast cancer, liver cancer, nasopharyngeal carcinoma, bladder cancer, or uterine cervix cancer. The umbilical cord blood-derived stem cells has a positive immunological characteristic to c-myc and ZNF281.
Patent KR-20100114639-A (KR)
Title: Cable connector of welding machine
Inventor: LEE HUNG JU
IPC: H01R43/02
Filed: 2009-04-16
Abstract: PURPOSE: A cable connector for welding machine is provided to reduce the assemble processes water as unifying a main body connection terminal and an insulation case and to prevent an insulation case to be damaged in assemble process. CONSTITUTION: A main body connection terminal(110) is inserted to an insulation case(120). A engaging projection(112) is formed in inner circumference of the main body connection terminal which a hollow unit(111) is formed. A flange member(140) of ring shape is inserted to rear mounting unit of an insulating case(123). The nut(150) is coupled to a spiral coupling unit(113) of the main body connection terminal.
Patent KR-20100117337-A (KR)
Title: Manufacturing method for nonwoven using absorbent cotton
Inventor: YAUNG YONG HO
IPC: D04H1/58
Filed: 2009-04-24
Abstract: PURPOSE: A method for manufacturing a nonwoven fabric using absorbent cotton is provided to have a smooth feeling and keep a good tensile force, thereby preventing dusts or naps. CONSTITUTION: A method for manufacturing a nonwoven fabric using absorbent cotton comprises the following steps. Absorbent cotton wound in carding machines of roll type is laminated by one layer by a transfer conveyor to form a web(100). Pressure is applied to a laminated web to have an even surface. Multiple webs are bonded without making naps by spraying a pressed web on a surface. Air is absorbed by an absorbing machine(43) to absorb air in a lower part of a web while spraying air to a binder sprayed on the surface of a web from an upper part of a web so that the binder is absorbed into an inner layer of a web and is dried.
Patent KR-20100117793-A (KR)
Inventor: LEE JANG MYUNG
IPC: H04R29/00
Filed: 2009-04-27
Abstract: 음원 분석 장치가 개시되어 있다. 음원 분석 장치는 음원을 촬영하여 음원 영상을 생성하는 영상 생성부 및 상기 음원 영상을 복수개의 소음 영역들로 구분하는 격자 형상의 영상 그리드를 상기 음원 영상에 생성하는 그리드 생성부를 포함하는 그리드 생성용 카메라, 상기 그리드 생성용 카메라와 연결되어, 상기 그리드가 형성된 상기 음원 영상을 표시하는 표시장치, 상기 음원으로부터 발생된 음압 레벨에 대응하는 음압값(SIL) 및 음원으로부터 발생된 음압 레벨 및 상기 음원 주변의 소음을 포함하는 소음값(SPL)을 측정하여 음압 데이터를 출력하는 소음 측정 장치 및 상기 각 음압 데이터들을 처리하는 데이터 처리 시스템을 포함한다.
Patent KR-20100122179-A (KR)
Title: Transfers apparatus of robot
Inventor: KIM MIN CHUL
IPC: B25J5/04
Filed: 2009-05-12
Abstract: PURPOSE: A robot transferring apparatus is provided to steadily transfer a robot to an exact location by preventing slip on a curve area. CONSTITUTION: A robot transferring apparatus(100) comprises first and second chains(510,530), first and second drive motors(610,630), first and second transfer bodies(310,330), and a robot support(400). A first drive sprocket(611) is installed on the output shaft of the first drive motor. The second chain is separated from the first chain. The second drive sprocket(631) is installed on the output shaft of the second driver motor, so that the second driver motor can drive the second chain. The first and second transfer bodies are restricted by the first and second chains, respectively and are transferred by the drive of the first and second chains. The robot support connects the first and second transfer bodies.
Patent KR-20100125751-A (KR)
Title: Memory allocation method and memory allocation device using the same
Inventor: RYU HWA SOO
IPC: G06F12/00
Filed: 2009-05-21
Abstract: PURPOSE: A memory allocation method using maximum block set up information and a memory allocation apparatus using the same are provided to prevent unequal memory allocation by setting up maximum number of available memory. CONSTITUTION: A memory unit(110) stores the maximum number of block set up information. A controller(120) partitions the storage area of the memory unit into the block having the different size. The controller searches the block allocating the specific function based on the size of the block. The controller compares the maximum number of the block based on the maximum number of setting information stored in the memory unit.
Patent KR-20100128475-A (KR)
Inventor: KIM WOO SAM
IPC: B82B3/00
Filed: 2009-05-28
Abstract: PURPOSE: An apparatus for forming carbon nanotube is provided to control the growth of a carbon nanotube through the adjustment of a substrate and to reduce heat loss. CONSTITUTION: An apparatus for forming carbon nanotube comprises a chamber(10), a gas feeding portion(20) supplying source gas and ambient gas, a substrate(30) on which the carbon nanotube is grown up, a heating block(40), a heating portion(50), and a sensing portion(60) sensing the growth length of carbon nanotube.
Patent KR-20100132184-A (KR)
Inventor: KANG JUNG HAN
IPC: A01G1/00
Filed: 2009-06-09
Abstract: 본 발명은 외관을 형성하는 외층이 WPC(Wood Polymer Composite)로 이루어진 보강토블록에 관한 것이다. 
     본 발명에 의한 보강토블록(100)은, 블록몸체(110)와, 상기 블록몸체(110)의 양측면에서 내측으로 함몰되어 토사가 충진되는 개구충진홈(120)과, 상기 블록몸체(110)의 내측에서 상/하 방향으로 천공되어 토사가 충진되는 천공충진홈(130), 상기 블록몸체(110)의 하면에서 하측으로 돌출된 이탈방지돌기(140)와, 상기 블록몸체(110)의 상면에서 하측으로 함몰되어 상기 이탈방지돌기(140)가 수용되는 돌기수용홈(150)과, 상기 블록몸체(110)의 외관 일부를 형성하고 목분과 플라스틱이 혼합되어 형성된 외층(160)을 포함하여 구성됨을 특징으로 한다. 본 발명에 따르면, 친환경성이 높아지며 외관이 수려해지는 이점이 있다. 
       
     보강토, 블록, WPC, 식생
Patent KR-20110002340-A (KR)
Title: Preparation of mesoporous nickel-alumina catalyst by a sequential precipitation method, and method for hydrogen production by steam reforming of liquefied natural gas using said catalyst
Inventor: LEE KWAN YOUNG
IPC: B01J37/03
Filed: 2009-07-01
Abstract: PURPOSE: A producing method of mesoporous nickel-alumina catalyst using a consecutive sedimentation method, and a producing method of hydrogen gas using thereof are provided to secure the excellent catalyst activation and stability of the nickel-alumina catalyst. CONSTITUTION: A producing method of mesoporous nickel-alumina catalyst using a consecutive sedimentation method comprises the following steps: maintaining the pH of a solution into 7~10, by inserting an alkaline solution into 25~100oC of distilled water; dissolving an aluminum precursor and a nickel precursor in another distilled water; inserting an aluminum precursor solution to a solution, and adding the alkaline solution for precipitating the aluminum precursor; inserting the nickel precursor solution to the solution containing the aluminum precursor, and adding the alkaline solution for precipitating the nickel precursor on the precipitated aluminum precursor; aging the precipitated solution for 1~24hours, and obtaining precipitated slurry by centrifugal separating; and drying and plasticizing the obtained slurry.
Patent KR-20110002370-A (KR)
Title: Micro speaker with dual suspension
Inventor: SEO DONG HYUN
IPC: H04R9/02
Filed: 2009-07-01
Abstract: PURPOSE: A dual suspension micro speaker is provided to position a second suspension in a voice coil by using a support protrusion installed on the lower side of the second suspension. CONSTITUTION: A microspeaker(1) comprises a yoke(2), a permanent magnet(3), a plate(4), a vibration plate integrated with a first suspension, a voice coil(7), a frame(8), and a protector(9). A second suspension(6,20) is made of materials with high restoring force. The second suspension is installed on the lower side of the vibration plate. A support protrusion(10) is positioned on the lower side of the second suspension and is protrusively installed on the plate. The second suspension is fixed to the upper side of the support protrusion. The second suspension is positioned in the voice coil.
Patent KR-20110004928-A (KR)
Title: The machine vision system of al condensor tube for motor's parts
Inventor: KIM KYO YOUNG
IPC: G01B11/16
Filed: 2009-07-09
Abstract: PURPOSE: An automatic condenser aluminum tube test as an automatic vehicle test equipment for improving the productivity is provided to determine the existence of the fault by using a camera and the externally defect of the aluminum tube for the vehicle condenser. CONSTITUTION: An automatic condenser aluminum tube test method is as follows. The tube exhausted in the conveyor of the cutting process final step is led to exerciser. The tube inspects a condition that the left and right of the tube flowed. Existence and/or non existence of fault of tube is distinguished at each inspection. In case of the inferior goods, it is loaded to the inferior goods cassette.
Patent KR-20110005050-A (KR)
Inventor: LEE MYUNG HYUN
IPC: B62D25/10
Filed: 2009-07-09
Abstract: PURPOSE: An electric trunk opening device for a vehicle is provided to enable the opening/closing of a trunk room to be remotely controlled since a trunk door is rotated in a normal direction or in a reverse direction by the operation of a switch or a remote control. CONSTITUTION: An electric trunk opening device for a vehicle comprises a base(10), a driving roller(20), a driven roller(30), a circular wire, a carrier(60), a connecting rod(70) and a reversible motor(40). The base is fixed to a trunk room. The driving roller is installed on one side of the base. The driven roller is installed on the other side of the base. The circular wire is interposed between the driving and driven rollers. One point of the carrier is fixed to one point of the wire. The connecting rod connects the lead arm of a trunk to the carrier in a link structure. The reversible motor rotates the driving roller in a reverse direction. The reversible motor rotates the driving roller in a normal direction or in a reverse direction and moves the wire in a normal direction or in a reverse direction.
Patent KR-20110006308-A (KR)
Title: Covering device of pouring hole for molten metal heat keeping furnace
Inventor: PARK JAE HEON
IPC: B22D17/28
Filed: 2009-07-14
Abstract: PURPOSE: A covering device of pouring a hole for molten metal warming bath, which can improve the heat insulating efficiency of a warming bath, is provided to prevent the injury of workers by high temperature surrounding the warming bath and to reduce the electrical energy consumption of a heater. CONSTITUTION: A covering device of pouring a hole for molten metal warming bath comprises a tap hole(54), a pouring opening(53), a cover(1) and a driving member. The cover is formed in order to cover the upper side of the pouring opening. The cover is manufactured with an insulating material. The cover secludes that the heat of the pouring opening is radiated to outside.
Patent KR-20100038036-A (KR)
Title: Virtualization of a central processing unit measurement facility
Inventor: YEH PHIL C
IPC: G06F9/44
Filed: 2009-07-14
Abstract: PURPOSE: Virtualization of a central processing unit measurement facility are provided to prevent the system overhead by providing a computer program product for the data collection under the processing environment. CONSTITUTION: An enable state for the measurement related to one guest activity of a virtual processing environment(100) is controlled by the guest. The enable state related to an activity of another guest under the virtual processing environment is controlled by other guests. The control operations by the guest or the other guests are independent from each other. The measurements are simultaneously enabled for the one guest and the other guests, or enabled for the one guest or the other guests.
Patent KR-20100010487-A (KR)
Title: Connector
Inventor: MIYOSHI TOSHIHARU
IPC: H01R13/658
Filed: 2009-07-21
Abstract: PURPOSE: A connector used for a high speed digital signal transmission is provided to supply new connectors of 2 kinds standard corresponding type that configuration is simple and has impedance matching of a contact of a differential pair. CONSTITUTION: The first and second differential signal contacts are arranged leaving an interval in the same height within an insulating property body. The third contact(310) is arranged with different height of the first and second differential signal contacts, between the first differential signal contact and the second differential signal contact. The third contact has the first redundancy unit overlapped with the first signal contact and the second redundancy unit overlapped with the second signal contact. A reiteration area about the first and second differential signal contact of the first and second overlap portion are controlled according to a difference of impedance of the contact of the first and second differential signal contact.