baber/WOPTO huggingface dataset:
Patent KR-20100008595-A (KR)
Title: Method and system for calibrating of omnidirectional camera based on contour matching
Inventor: HONG HYUN KI
IPC: G06T7/40
Filed: 2008-07-16
Abstract: PURPOSE: An omni-directional camera correction method and system using contour-matching are provided to estimate the rotation and motion information of cameras through angle error function minimization. CONSTITUTION: A contour detecting unit(120) detects the contours of two or more omnidirectional images captured by cameras. A contour matching unit(130) matches the detected contours using Epipolar geometry estimation. An error adjusting unit(140) minimizes an angle error of 3D vector and Epipolar plane of the matched contours. A camera correcting unit(150) estimates the rotation and motion information of the cameras based on the minimized angle error.
Patent KR-20090013693-A (KR)
Title: Tin electroplating solution for electronic component, tin electroplating method for electronic component, and tin-electroplated electronic component
Inventor: ORIKASA MAKOTO
IPC: C25D3/30
Filed: 2008-07-28
Abstract: A tin electrolytic plating solution for an electronic component, a tin electrolytic plating method of the electronic component and a tin electrolytic plated electronic component are provided to enhance current efficiency by raising electric current density limit of the tin electrolytic plating solution, to allow a user to process plating at low cost and to increase productivity. A tin electrolytic plating solution for an electronic component comprises soluble stannous salt, acid or salt thereof, a complex agent of a first class selected from a group consisting of oxy carboxylic acid, polycarboxylic acid, mono carboxylic acid and the each acid salt; antioxidant of Sn2+, non-ionic surfactant expressed as a chemical formula 1, and alkylimidazole expressed as a chemical formula 2.
Patent KR-20100012645-A (KR)
Title: 좌립 풍력 발전기
Inventor: BAEK BEONG CHAN
IPC: F03D3/06
Filed: 2008-07-29
Abstract: 본 발명은 좌립 풍력 발전기에 관한 것으로, 발전장치에 있어서 풍력을 이용한 발전에 있어서 그 설치가 용이하도록 하고 그 크기를 대형화하도록 하며 안전한 발전이 이루어지도록 한 것이다. 
     즉, 본 발명은 풍력 발전기에 있어서 발전날개를 방사형으로 형성하여 좌립설치되는 발전풍차와, 상기 발전풍차에 바람의 방향에 따라 회전되어 바람을 유도공급하는 풍집구와 상기 풍집구가 바람방향을 향하게 가이드하는 가이드날개로 구성한 것이다. 
     따라서, 본 발명은 풍력 발전기를 좌립 설치되는 발전풍차와 상기 발전풍차에 바람의 방향에 따라 바람을 유도 공급하는 풍집구를 구성함으로써 풍집구에 의하여 바람을 유도공급할 수 있어 바람의 효율성이 높아지고 발전풍차가 좌립 설치됨으로써 그 설치 안전성이 향상되는 것이다. 
       
     풍력 발전기
Patent KR-20100021050-A (KR)
Title: Flame retardant thermoplastic resin composition having improved impact resistance and chemical resistance
Inventor: SON SE BUM
IPC: C08K5/02
Filed: 2008-08-14
Abstract: PURPOSE: A flame retardant thermoplastic resin composition is provided to improve shock resistance and chemical resistance and to ensure excellent fire retardant characteristicproperties. CONSTITUTION: A flame retardant thermoplastic resin composition comprises 100.0 parts by weight of a base resin consisting of (A) 20~99 parts by weight of a rubber-modified styrene-based copolymer resin containing an epoxy group and (B) 1~80 parts by weight of polyester resin; (C) 3~20 parts by weight of flame retardant containing halogen; and (D) 0.1~6 parts by weight of a flame-retardant aid.
Patent KR-20100023282-A (KR)
Title: 이동형 유골 화장로
Inventor: LEE CHUL SOO
IPC: F23G1/00
Filed: 2008-08-21
Abstract: 본 발명은 유골을 화장에 사용되는 이동식 화장로에 관한 것으로, 특히 유골을 완전 연소시켜 공해 물질을 배출시키지 아니하여 친환경적인 이동형 유골 화장로에 관한 것이다. 
     이를 위하여 본 발명의 실시예는 화물차의 적재함에 적재되는 화로 내부에서 강제대류되며 적열된 화염의 열기가 유골에 열전달되어 유골의 연소가 이루어진다. 이로써, 화물차는 유골이 모셔진 장소 가까이 이동하여 유골의 운반 거리를 줄일 수 있어 유골의 이송에 드는 시간과 비용이 절약되는 효과와, 강제대류로 적열된 고온의 완전연소로 화장이 이루어지기 때문에, 유골의 불완전 연소에서 발생되는 유해가스 및 악취의 배출량이 현저하게 줄어들어 배출되는 연소된 가스는 친환경적인 효과를 갖는다. 또한, 배기되는 가스의 유해물질을 제거하기 위한 별도의 수단이 더 구비될 필요가 없어 제작비용이 저렴하며, 이동형 유골 화장로의 크기를 소형으로 제작가능하여 이동성을 더욱 증대시킬 수 있는 효과를 갖는다. 
       
     유골, 화장, 이동
Patent KR-20100025255-A (KR)
Title: Earset integrated into handphone
Inventor: ROH TAE GYUN
IPC: H04B1/38
Filed: 2008-08-27
Abstract: PURPOSE: An ear set integrated into a cellular phone is provided to distance an electromagnetic generation part from a head of a mobile phone user. CONSTITUTION: An ear member(10) is placed at an outer plane of a body of a mobile phone, and is formed to be moved by a sliding device during call connection. The sliding device has a first guide groove(3), a first lifting bar(5) and a second lifting bar(6). An earphone or a speaker is installed at the ear member, and an auxiliary telephone transmitter is placed at an upper plane of the body to transmit a sound during call connection.
Patent KR-20080083252-A (KR)
Title: Micropump for peristaltic pumping of a liquid medium
Inventor: HAAR HANS PETER
IPC: F04B43/04
Filed: 2008-08-28
Abstract: A micropump for interlocking pumping of a liquid medium is provided to improve reliability of monitoring by installing the micropump at an outer part of a wall member of a circulating channel to be close to an injection needle unit. A micropump for interlocking pumping of a liquid medium comprises a wall member(4), at least one circulating channel(5), actuators, sensor units. A part of sectional area of the circulating channel can be deformed if a force is exerted to the wall member. The actuators exert the force to the wall member from one part of the circulating channel to reduce the sectional area of the circulating channel. The sensor units are installed at an outer part of the circulating channel to measure an amount of the liquid medium of the circulating channel. The sensor units sense a liquid medium measuring signal at the one part of the circulating channel using other parameters. The sensor units have a capacitor having a capacitor plate, located at two sides of the circulating channel, and the measuring unit. The measuring unit measures electrical capacitance of the capacitor.
Patent KR-20100026605-A (KR)
Inventor: CHA GYEONG HOAN
IPC: G09B5/04
Filed: 2008-09-01
Abstract: PURPOSE: A brain development, listening growth, and technique project are provided to develop a brain through listening. CONSTITUTION: A brain development and listening developing method are composed of the training procedure and inspection process. The inspection process is composed of the listening development project utilizing CD. The listening training through a card is enforced. The 18 level including the storage hearing ability, the memory hearing ability etc is included systematically. The listening developmental state is checked at each class through the training and check evaluation.
Patent KR-20090026107-A (KR)
Title: Impurity control in hdp-cvd dep/etch/dep processes
Inventor: WANG ANCHUAN
IPC: H01L21/31
Filed: 2008-09-08
Abstract: An impurity control in HDP-CVD DEP/ETCH/DEP processes is provided to control the impurity by using evaporated films having about 45nm or smaller feature size. A method for evaporating the silicon oxide membrane on the top of the substrate includes the step for evaporating the first part of the silicon oxide membrane inside a gap(304) and the upper part of substrate by using the HDP process; the step for etching back a portion of the evaporated part of the first of the silicon oxide membrane; the step for passing away the halogen scavenger in the substrate processing chamber; the step for evaporating the second part of the silicon oxide membrane inside the gap and on the first part of the silicon oxide membrane.
Patent KR-20100030426-A (KR)
Title: The agriculture water filter which a sludge removal function was combined with
Inventor: JO GU HO
IPC: B01D35/16
Filed: 2008-09-10
Abstract: PURPOSE: An agricultural water filter having a sludge removal function is provided to improve performance of the filter, to maintain the filter function, and to extend a filter lifetime by easily discharging the sludge collected in a puddle part through a sludge discharge valve. CONSTITUTION: An agricultural water filter having a sludge removal function comprises: a filter(20) which is built in a filter box(10); a drift space(30) of a filtering object water which is included around the filter; a cover(40) for fixing the filter which is included on the top of the filter; an impeller wing(100) which is additionally more included in the inner wall surface of the water drift space inside the filter box and induces the flow of water so that vortex or the whirlpool rotary flow be created in the filtering object water flowing in.
Patent KR-20100030472-A (KR)
Title: Fabricating method of light emitting element and device, fabricated light emitting element and device using the same
Inventor: KIM YU SIK
IPC: H01L33/16
Filed: 2008-09-10
Abstract: PURPOSE: A method for manufacturing a light emitting element and a device, the light emitting element and the device using the same are provided to improve light extraction efficiency by forming a photonic crystal pattern on a buffer layer. CONSTITUTION: A buffer layer(108) is formed on a substrate(100). A photo crystal pattern(106) and a pad pattern(107) are formed on the buffer layer. A light emitting structure(110) includes a first conductive pattern(112), a light emitting pattern and a second conductive pattern(116). A first electrode(140) is electrically connected to the first conductive pattern. A second electrode(150) is electrically connected to the second conductive pattern.
Patent KR-20100037211-A (KR)
Title: Image sensor and method for fabricating the same
Inventor: JUNG OH JIN
IPC: H01L27/146
Filed: 2008-10-01
Abstract: PURPOSE: An image sensor and a manufacturing method thereof are provided to improve an image property by forming a smooth channel for a photo-charge. CONSTITUTION: A readout circuit is formed on a semiconductor substrate(10). An interlayer insulation film covers the readout circuit and a metal wiring(40). A buffer layer is formed on the interlayer insulation film. A crystallization silicon layer(70b) is formed on the buffer layer. An ion implantation region(72) is divided into a photo diode region corresponding to a unit pixel in a crystallization silicon layer. A metal plug is formed on a via hole of a buffer layer. The metal plug electrically connects the photo diode region and the metal wiring.
Patent KR-20100037807-A (KR)
Title: Method for producing overshoot voltage supplied at transistor and gate insulation degradation analysis used the same
Inventor: KIM SUNG SOO
IPC: G01R31/26
Filed: 2008-10-02
Abstract: PURPOSE: A method for producing an overshoot voltage supplied to a transistor and a gate insulation degradation analysis used the same are provided to easily calculate an overshoot voltage by using a time of supplying an input voltage and overvoltage out of the input voltage. CONSTITUTION: A first extraction value is corresponded to the multiply of acceleration elements. The acceleration elements are obtained in a test of the transistor. The transistor is formed on the wafer. The Transistor is employed in the circuit. The voltage out of the input voltage is received from the circuit. The time of supplying the voltage is calculated. A second extraction value is obtained by dividing the first extraction value with the supply time. The overshoot voltage is obtained by multiplying the second extraction value with the input value(S22).
Patent KR-20100039639-A (KR)
Title: Regenerative brake control system for vehicle
Inventor: PARK MAN BOK
IPC: B60K6/22
Filed: 2008-10-08
Abstract: PURPOSE: A regenerative braking system is provided to generate a hydraulic brake force simply using an electronic control booster instead of a hydraulic modulator. CONSTITUTION: A regenerative braking device(200) offers regenerative brake torque to a wheel by an electric motor. A hydraulic brake device(100) offers hydraulic brake torque to the wheel by exchanging information with the regenerative braking device through network communication. The hydraulic brake device includes an electronic control booster and a hydraulic modulator. The electronic control booster controls the pressure of a master cylinder according to target wheel pressure. The hydraulic modulator is connected to the electronic control booster by a hydraulic line. The hydraulic modulator controls the pressure provided to each wheel cylinder.
Patent KR-20100043583-A (KR)
Title: 인터넷 ｔｖ를 이용한 통신 서비스 방법
Inventor: JEON YEONG GYOO
IPC: H04H60/82
Filed: 2008-10-20
Abstract: 본 발명은, 휴대 단말과 인터넷 TV를 이용하여 통신 서비스를 제공하는 기법에 관한 것으로, 무선 통신망을 이용하는 휴대 단말간에 메시지 통신 서비스를 제공하는 종래 방식과는 달리, 휴대 단말에서 발송한 통신 메시지를 인터넷 방송 서비스 서버로 중계하고, 인터넷 방송 서비스 서버가 휴대 단말 사용자가 지정한 인터넷 TV로 통신 메시지를 송출하며, 인터넷 TV가 수신되는 통신 메시지를 화면으로 출력함으로써, 사용자들의 다양한 서비스 욕구를 효과적으로 충족시킬 수 있는 것이다.
Patent KR-20100046709-A (KR)
Title: Aligning method for inkjet head
Inventor: SEO SHANG HOON
IPC: B41J2/135
Filed: 2008-10-28
Abstract: PURPOSE: An ink-jet head and an ink-jet head alignment method, which can arrange multi-nozzle heads using an optical device is provided to make the inkjet printing alignment by using an optical device which is used for pattern measurement. CONSTITUTION: An ink-jet head and an ink-jet head alignment method is as follows. Locations of the first nozzle are recognized by using a nozzle measurement camera(S110). The nozzle measurement camera is moved to the horizontal direction and locations of the second nozzle are recognized(S120). A tilting angle between the second nozzle and the first nozzle are produced(S130). An ink-jet head is rotated according to the tilting angle(S140). The test pattern is printed by using the ink-jet head(S150).
Patent KR-20090045133-A (KR)
Inventor: HAYASHI NOZOMU
IPC: H01L21/027
Filed: 2008-10-31
Abstract: 기판(W) 상에 형성된 마크의 위치를 검출하는 위치 검출기는 생성부(9), 검색부(13), 및 보정부(14)를 포함한다.  생성부(9)는 검출되어질 마크(WM)를식별하기 위해 이용되는 템플릿을 마크(WM)를 포함하는 화상에 기초하여 생성한다.  검색부(13)는 생성부(9)에 의해 생성된 템플릿을 이용하여 화상을 검색하고, 마크의 패턴 이외에, 템플릿과의 매칭도가 기준 값보다 높은 의사 패턴이 존재하는지의 여부를 결정한다.  보정부(14)는, 의사 패턴이 존재한다고 결정된 경우, 의사 패턴의 정보에 기초하여 템플릿을 보정하고, 의사 패턴과의 매칭도가 기준 값보다 낮은 보정된 템플릿을 생성한다. 
       
     위치 검출기, 노광 장치, 의사 패턴, 보정부
Patent KR-20100049342-A (KR)
Title: Perfume composition for expressing the fragrance of nelumbo nucifera
Inventor: WOO CHANG SIK
IPC: A61K8/97
Filed: 2008-11-03
Abstract: PURPOSE: A perfume composition which reproduces Nelumbo nucifera perfume is provided to improve preference of perfume. CONSTITUTION: A perfume composition which reproduces Nelumbo nucifera perfume contains Nelumbo nucifera perfume ingredient and hedione as active ingredient. The Nelumbo nucifera perfume ingredient is an ingredient collected by SPME method(solid phase micro extraction). The Nelumbo nucifera perfume ingredient is 1,4-dimethoxybenzene, pentadecane, 1-pentadecene, 4-terpineol, or sabinene. The perfume compositon further contains limonene, gamma-terpine, myrcene, or cayophyllene. A skin external use composition contains the perfume composition.
Patent KR-20090049548-A (KR)
Inventor: YAMAGUCHI AKIRA
IPC: H01M50/107
Filed: 2008-11-12
Abstract: 본 발명은 리튬을 전기화학적으로 도프/탈도프 가능한 정극과; 리튬을 전기화학적으로 도프/탈도프 가능한 부극과; 상기 정극 및 상기 부극에 개재되는 전해질을 구비하는 비수 전해질 2차 전지를 제공하는데, 상기 전해질은, 용매로서 화학식1로 표시되는 플루오로에틸렌카보네이트, 및 화학식2로 표시되는 디플루오로에틸렌카보네이트의 적어도 1종을 함유하고, 0.2C 방전시의 방전 용량(A)에 대한 5C 방전시의 방전 용량(B)의 비율((B/A)×100)이, 80% 이상인 것을 특징으로 한다.
Patent KR-20100053763-A (KR)
Title: Hatch assembly with latching system interior to hatch coaming
Inventor: KIM HYUN SOO
IPC: B63B19/24
Filed: 2008-11-13
Abstract: PURPOSE: A hatch system wherein an opening/closing unit is formed on a hatch coaming is provided to improve even water-tightness according to the circumference of a hatch cover. CONSTITUTION: A hatch system wherein an opening/closing unit is formed on a hatch coaming comprises a hatch coaming(10), a hatch cover(20), and a locking device(30). The hatch coaming has an opening(11) for a gateway. The hatch cover is hinged with one side of the opening and opens and closes the opening. The hatch cover comprises a watertight member(21) which is closely supported at the upper end of the opening. The locking device is installed on the inner circumference of the opening of the hatch coaming.
Patent KR-20100053953-A (KR)
Title: A sorting separation device of construction waste
Inventor: KIM KYUNG OK
IPC: B02C23/08
Filed: 2008-11-13
Abstract: PURPOSE: An apparatus for sorting construction waste is provided to collect dust and light wastes in a cyclone by spraying air when crushed construction waste is discharged after passing through a drum and to prevent contaminations of peripheral environment. CONSTITUTION: An apparatus for sorting construction waste comprises: a supply part(110) supplying crushed construction waste; a first sorting part(120) separating soil of a small particle and aggregates from the crushed construction waste; and a second sorting part(140) sorting foreign materials from the construction waste passing through the first sorting part. The first sorting part includes a base(122) which is fixed on the ground and a drum(124) including a plurality of penetration holes.
Patent KR-20100054043-A (KR)
Title: Oil paste device for bread manufacturing machine
Inventor: JUNG YANG JO
IPC: A21C11/00
Filed: 2008-11-13
Abstract: PURPOSE: An oil application device for a bread manufacturing machine is provided, which enables selective oil application and successive production. CONSTITUTION: An oil application device for a bread manufacturing machine comprises: a conveyer belt(110) formed in the upper end of a bed; a supporting plate(120) in which a cylinder is formed in the front and which is formed across the center of each guide; an oil feed port(130) which is formed in the upper end of the supporting plate and is connected to the bottom of an oil tank; and an oil application unit(140) in which an oil brush is formed.
Patent KR-20100058765-A (KR)
Title: The guide apparatus for make connection point of ramification pipe of metal pipe
Inventor: PHYUN WOO CHUL
IPC: B23B39/06
Filed: 2008-11-25
Abstract: PURPOSE: A guide apparatus for forming a connection point of branch pipes of a metal pipe is provided to reduce working times by enabling an operator to easily select the position of a puller through a positioning jig. CONSTITUTION: A guide apparatus for forming a connection point of branch pipes of a metal pipe comprises a first rail(20), a first guide(10), a magnet(13), first and second rollers(11,12), a first press plate(22), and a positioning jig(23). The first rail is installed beneath a drilling machine(30), a T-forming machine(40), and a grinder(50). The first guide is installed on the first rail. The second roller contacts the first rail. A magnet fixing one end of a main pipe is installed on one side of the first guide. The first roller transfers the main pipe to the magnet. The first press plates are installed above the first rail in the front part of the drilling machine and the rear part of the grinder. The positioning jig holds the puller.
Patent KR-20100059449-A (KR)
Inventor: LEE HWA IK
IPC: E04H15/00
Filed: 2008-11-26
Abstract: 본 발명은 지붕으로부터 흘러내리는 물에 포함된 이물질을 걸러내어 배수로나 배수관이 막히는 것을 방지할 수 있게 한 이물질 적재 방지구조를 갖는 물받이를 구비한 차양에 관한 것이다. 또한, 지붕의 표면에 다수의 걸림돌기를 설치하여 지붕에 쌓인 눈이 흘러내리는 것을 방지함으로써 흘러내린 눈이나 얼음덩이에 의해 처마 밑의 물건이나 사람이 다치는 것을 방지할 수 있게 한 차양에 관한 것이다.  
     이러한 본 발명의 차양은 골조에 의해 지지되는 지붕재를 포함하여 구성되고, 지붕의 처마에 물받이가 설치된 차양에 있어서, 상기 물받이의 상부에 개방된 물유입부에 물받이로 유입되는 물 중에 포함된 이물질을 걸러내는 거름수단을 설치하여 구성됨을 특징으로 한다.  
     또한 본 발명은 상기 지붕의 바깥면에 다수의 걸림돌기를 더 설치하여 눈덩이나 얼음이 흘러내리는 것을 방지할 수 있게 한 것을 특징으로 한다.   
       
     차양, 물받이, 거름수단, 걸림돌기
Patent KR-20100060203-A (KR)
Title: Method for manufacturing soybean paste cheese, and soybean paste cheese made by the same
Inventor: KIM YOUNG HWAN
IPC: A23C19/084
Filed: 2008-11-27
Abstract: PURPOSE: A method for manufacturing soybean paste cheese and soybean paste cheese manufactured thereby are provided to manufacture the high quality chesses by fermenting microorganism of soybean paste and chesses by adding beneficial components healthful to a body. CONSTITUTION: A method for manufacturing soybean paste cheese comprises the following steps: sterilizing milk for 50 ~ 70 minutes in 55~75°C; coagulating the sterilized milk in 20~40°C after adding lactic acid bacteria and rennin; colleting curd after removing whey in the coagulated milk; dipping the curd in which the soybean paste is applied in an aqueous solution; manufacturing the chesses by aging the curd after wrapping with a film in 12~15°C for 160 ~ 190 days.
Patent KR-20100060983-A (KR)
Title: Hair cosmetic composition for anti-dandruff, preventing the hair loss and promoting the hair growth comprising phaseolus radiatus extracts by fermentation and enzyme treatment
Inventor: LEE SEUNG KI
IPC: A61Q7/00
Filed: 2008-11-28
Abstract: PURPOSE: A hair cosmetic composition containing phaseolus radiatus fermentation-enzyme processing liquid, capable of improving dandruffs and preventing hair loss is provided to reduce the itchiness of scalp, and control the dandruff bacteria. CONSTITUTION: A hair cosmetic composition capable of improving dandruffs and preventing hair loss contains phaseolus radiatus fermentation-enzyme processing liquid as an active ingredient. The phaseolus radiatus fermentation-enzyme processing liquid is obtained by enzyme processing phaseolus radiates fermented liquid with proteinase. The enzyme for the enzyme processing is saccharomyces cerevisiae. The proteinase is pepsin, trypsin, carboxypeptidase, amino peptidase or dipeptidase. The composition contains 0.1~20wt% of phaseolus radiatus fermentation-enzyme processing liquid.
Patent KR-20100063353-A (KR)
Title: Probe and antenna
Inventor: OH SOON SOO
IPC: H01P5/107
Filed: 2008-12-03
Abstract: PURPOSE: A probe and an antenna using multiple wave guides are provided to reduce the multiple reflection of electromagnetic wave by including a resonance unit in which a part or whole of the wave guides are arranged. CONSTITUTION: The cross section of a second waveguide(20) is smaller than that of a first waveguide. The cross section of a third waveguide(30) is smaller than that of the second waveguide. When a probe measures electromagnetic wave, the electromagnetic wave is transferred from the third waveguide to the second waveguide and to the first waveguide. The second waveguide matches impedance between the first waveguide and the third waveguide.
Patent KR-20100063477-A (KR)
Title: Intake manifold of vehicle
Inventor: KANG PYO HYOUN
IPC: F02B31/00
Filed: 2008-12-03
Abstract: PURPOSE: An intake manifold for a vehicle is provided to improve operation durability of the swirl control valve by preventing a swirl control valve from adhering to the inside of a swirl control valve holder or an intake port. CONSTITUTION: An intake manifold for a vehicle comprises a swirl control valve(40) and a swirl control valve holder(30). The swirl control valve is composed of a shaft(41) and a flap(42) unitarily rotating with the shaft. The swirl control valve holder is coupled with the intake port and supports the shaft to prevent the adherence of the flap.
Patent KR-20090059051-A (KR)
Title: Push switch and sheet attached movable contact point
Inventor: TAKAHASHI KAZUNARI
IPC: H01H13/715
Filed: 2008-12-04
Abstract: A push switch and a sheet attached to a movable contact point are provided to increase the accuracy of operating force concentrated member. A fixed contact point is formed on a base member, and a moving contact contacts a fixed contact point by being deformed through pressure electrically. A flexible sheet(10) is adhered to a base member, and a protrusion(11) for the position determination is formed on the flexible sheet site overlapped with the central part of the moving contact. The operating force concentrated member(13) is inserted into the protrusion for the position determination. The operating force concentrated member concentrates the operating force to the center of moving contact.