baber/WOPTO huggingface dataset:
Patent KR-20100097260-A (KR)
Title: Faucet
Inventor: PARK HYUN SICK
IPC: E03C1/05
Filed: 2009-02-26
Abstract: PURPOSE: A faucet is provided to reduce water waste by discharging minimum water when a human body is close to the faucet and cutting off water when the human body is closed to the faucet again. CONSTITUTION: A faucet comprises a faucet body(100), a control valve(200), an operation lever(300), a discharging guide unit(170), an electronic valve(500), and a controller. The control valve is installed inside the faucet body and controls discharged water. The operation lever controls the control valve. The discharging guide unit is controlled by the control valve and guides the discharged water to be discharged to outside. The electronic valve cuts off or discharges water depending on a signal detected from an approach sensor. The controller controls the electronic valve based on the detected signal.
Patent KR-20100098803-A (KR)
Inventor: KIM KYOUNG JIN
IPC: G06Q50/10
Filed: 2009-03-02
Abstract: PURPOSE: A system and a method for updating a webpage are provided to transmit update data of an update message received from a mobile terminal to a web site, thereby updating the web page in the web site. CONSTITUTION: If an update message related to update of a webpage is received, an information checking unit(240) checks a registered web page identifier corresponding to a mobile terminal. A server transmitting unit(250) transmits update data included in the update message to a web site. The web site is identified by the checked web page identifier. In the web site, the web page is updated.
Patent KR-20100101739-A (KR)
Title: In-line type curing apparatus
Inventor: JANG SUK JOON
IPC: H01L23/28
Filed: 2009-03-10
Abstract: PURPOSE: An in-line type curing device is provided to include an lamp cover which is installed in a support stand and an infrared lamp which is installed under the lower part of the reflector of the lamp cover. CONSTITUTION: A support stand(110) is installed in either the front of a processing part or the rear of the processing part to the transferring direction of a semiconductor package. A lamp cover(120) includes a reflector(130) in the lower part and the support stand is installed. An in-line type curing device includes an infrared lamp which is installed in the lower part of the reflector of the lamp cover. A location control part(150), which controls the location of the lamp cover to be orthogonal to the transferring direction of the semiconductor package, is included.
Patent KR-20100102295-A (KR)
Title: Power transmission apparatus of laver drier
Inventor: PARK YU SEON
IPC: A23L17/60
Filed: 2009-03-11
Abstract: PURPOSE: A power transmission apparatus of a laver drier is provided to improve the productivity of laver by improving the transporting speed of a horizontal transport chain. CONSTITUTION: A power transmission apparatus of a laver drier comprises the following: a first rotation body(20) including a driving gear(22), rotating by the rotation force of a driving motor; a second rotation body(30) including a driven gear(32) on the outer edge to be rotated by the rotation of the first rotation body, and transferring the rotational power to a horizontal transport chain; a jamming plate(40) with a curved unit, combined to a power transmission axis(24) transferring the power to the first rotation body; and a jamming plate stopping unit, controlling the rotation of the second rotation body.
Patent KR-20100104725-A (KR)
Title: Method of manufacturing a charge trap type memory device
Inventor: PARK YOUNG GEUN
IPC: H01L27/115
Filed: 2009-03-19
Abstract: PURPOSE: It forms into the charge differential shift pattern having the profile which the manufacturing method of the charge trap type memory device perpendiculars a part of the charge trapping layer on the element isolation film. CONSTITUTION: A tunnel oxide film(110) is formed on the substrate(100). The charge trapping layer(120) is formed on the turner insulating layer. The blocking film(130) is formed on the charge trapping layer. The gate electrode(142) separating with the trench is formed on the blocking film. It is formed into the charge differential shift pattern having the profile in which a part of the charge trapping layer corresponding to the trench perpendiculars.
Patent KR-20100104745-A (KR)
Title: Transfer guide apparatus for straightening machine
Inventor: LEE JAE HO
IPC: B21B39/14
Filed: 2009-03-19
Abstract: PURPOSE: A transfer guide apparatus for a straightening machine is provided to reduce the failure rate of straightening work by inserting various shapes of steel into a straightening machine accurately. CONSTITUTION: A transfer guide apparatus for a straightening machine comprises a first roll feed member(20), a second roll feed member(30), a first side guide roll member(40), a second side guide roll member(50), and a transfer unit(60). The first and the second roll feed member are installed at an interval on the top of a roll stand member(10) installed at entrance or exit of a straightening machine and able to move. The first side guide roll member is vertically installed to rotate and installed on the first roll feed member. The second side guide roll member is vertically installed to rotate and installed on the second roll feed member. The transfer unit transfers the first roll feed member and the second roll feed member in the traverse direction.
Patent KR-20100100550-A (KR)
Title: Fabricating method the memory device
Inventor: YOO DONG CHUL
IPC: H01L21/8247
Filed: 2009-03-26
Abstract: PURPOSE: A method for manufacturing a memory device is provided to prevent the leakage current of a blocking dielectric film by suppressing the interfacial reaction of an silicon oxide in a first dielectric film and an aluminum oxide in a third dielectric film. CONSTITUTION: A tunnel dielectric film(110) is formed on a substrate(10). An electric charge trapping film(120) is formed on the tunnel dielectric film. A blocking dielectric film(130) is formed on the electric charge trapping film. A first dielectric film(131) including a silicon oxide is formed on the electric charge trapping film. A second dielectric film(133) including an aluminum silicate is formed on the first dielectric film. A third dielectric layer(135) including an aluminum oxide is formed on the second dielectric film.
Patent KR-20090104743-A (KR)
Title: High frequency wave glass antenna for an automobile and window glass sheet for an automobile with the same
IPC: H01Q7/00
Filed: 2009-03-30
Abstract: PURPOSE: A high frequency glass antenna and a window glass sheet for vehicles are provided to perform a broadband antenna property. CONSTITUTION: A high frequency glass antenna(100) includes an antenna conductor(1). The antenna conductor has a stop part which is formed by restricting a part of an original loop shape in a fixed length. The antenna conductor is installed in a window glass for vehicles. The antenna conductor has a bypass part(2) which is formed by one or more bypass roads. The bypass part is formed in a position in which a distance ratio from the center of the stop part of the original loop shape to the center of the bypass part of the original loop shape about a distance of an inner circumference side or an outer circumference side of the original loop shape is 0.18~0.4.
Patent KR-20100108895-A (KR)
Title: 레티클 운반용 그리퍼
Inventor: LEE JAE SUNG
IPC: H01L21/027
Filed: 2009-03-31
Abstract: 본 발명은 레티클 운반용 그리퍼에 관한 것으로, 더욱 상세하게는 레티클을 목적지까지 운반함에 있어서 상기 레티클의 양측 단부를 파지하도록 하여 집적 회로의 패턴이 증착된 표면을 보호하되 상기 레티클 파지상태의 적합 여부를 시각적으로 나타나게 함으로써 그리퍼로 부터 레티클이 이탈되는 사고를 미연에 방지하도록 한 레티클 운반용 그리퍼에 관한 것이다.  
     이를 위하여 본 발명은 손잡이(20)의 일 측에 LED램프(41)가 장착되고 내부에 배터리(B)가 수납되어 이와 연결된 충전포트(42)을 포함하는 신호부(40)를 구비하고, 동일축에 설치되어 누름구(30)와 연동 회전되는 가동아암(10')과 회전되지 않는 고정아암(10)을 구비하되, 상기 누름구(30) 내부에 설치된 스프링(S)의 탄성에 의해 이와 연동하는 가동아암(10')이 상기 고정아암(10)을 향해 소정의 각도로 항시 회전되게 하고, 상기 각각의 아암(10,10') 단부에 안착홈(11a)이 형성된 파지구(11)를 설치하되, 상호 대향하는 안착홈(11a) 내측으로 설치되어 이에 접촉되는 레티클(R)의 안착상태를 감지하는 센서(12)가 상기 신호부(40)와 전선(W)으로 연결된 것을 특징으로 한다. 
       
     레티클(reticle), 그리퍼(gripper)
Patent KR-20100110031-A (KR)
Title: A putter for golf
Inventor: YUN GYEONG SEON
IPC: A63B53/14
Filed: 2009-04-02
Abstract: PURPOSE: A putter for golf is provided, which enables a user to easily grasp a putting line to the target object from a putter and to aim the putting direction in putting. CONSTITUTION: A putter for golf comprises: a shaft(10) of a rod-shape; a grip(20) inserted into the front end of the shaft; a head(30) attached to the end part of the shaft; a receiving part(40) in which a slit groove is cut in the grip in a putting direction and comprises a receiving space; a beam generator which is built in the receiving space of the receiving part and emits a laser beam; a power supply unit supplying the necessary power to the beam generator; and a filter element(80) of transparent material through which laser beam created from the beam generator is transmitted.
Patent KR-20100080284-A (KR)
Title: Apparatus and method for providing touch screen mobile communication terminal with service menu based dual tone multi-frequency and mobile communication terminal therefor
Inventor: LYU CHONG WOON
IPC: G06F3/041
Filed: 2009-04-06
Abstract: PURPOSE: A method for providing a service menu based on DTMF(Dual Tone Multi-Frequency) to a touch screen terminal, a device thereof, and a mobile communication terminal thereof are provided to supply a service menu based on DTMF executable in a touch screen UI(User Interface) to a touch screen terminal. CONSTITUTION: A transceiver(231) receives a connection request from a mobile communication terminal. A menu providing unit(237) divides a service screen including at least one menu according to the connection request by a fixed number. The menu providing unit assigns identification information by the divided screen. The menu providing unit transmits the service screen to the mobile communication terminal.
Patent KR-20100112829-A (KR)
Title: Replacement apparatus of a liquefied gas storage tank using nitrogen
Inventor: CHO BONG HYUN
IPC: F17C11/00
Filed: 2009-04-10
Abstract: PURPOSE: A substitution device of a liquefied gas storage tank using nitrogen is provided to reduce the material and equipment costs and to reduce the design and production costs since inert gas is not used but only nitrogen gas is used in an inert step. CONSTITUTION: A substitution device of a liquefied gas storage tank using nitrogen comprises a nitrogen gas generator(20) and a nitrogen gas feeding line(13). The nitrogen gas generator generates nitrogen gas. The nitrogen gas feeding line supplies the nitrogen gas to a liquefied gas storage tank(11). The nitrogen gas feeding line eliminates the gas from the liquefied gas storage tank. The nitrogen gas feeding line connects the nitrogen gas generator and the liquefied gas storage tank. The nitrogen gas generator comprises a main nitrogen gas generator and a secondary nitrogen gas generator. On the lower part of the secondary nitrogen gas generator, a valve is installed.
Patent KR-20090110263-A (KR)
Title: Resource allocation apparatus and method for reducing overhead in mobile communication system
IPC: H04B7/26
Filed: 2009-04-17
Abstract: PURPOSE: A resource allocation apparatus for reducing overhead in a mobile communication system and a method thereof are provided to compare a control information amount necessary for changing resources due to resource collision in the mobile communication system, thereby efficiently changing a location of a fixed resource allocation area through minimum control information. CONSTITUTION: A method of operating a base station to change fixed resource allocation to reduce overhead in a mobile communication system comprises the following steps. When it is necessary to change fixed resource allocation(100), a control information amount is calculated for each of at least two resource allocation changing methods. A resource allocation area method which needs the smaller control information amount is selected.
Patent KR-20100118236-A (KR)
Title: Food storage or construction material and laver nursery gauze coating method
Inventor: LEE JUNG HWA
IPC: C09D5/14
Filed: 2009-04-28
Abstract: PURPOSE: A coating method of a food storage, a construction material, and a laver farm mesh is provided to improve the storage quality by coating the food storage and the laver farm mesh with a far infrared ray radiation material. CONSTITUTION: A coating method of a food storage, a construction material, and a laver farm mesh comprises the following steps: mixing 70~80% of anacardic acid, 14~20% of cardanol, and 2~10% of cardol to form a mixed solution; and coating the mixed solution to the food storage, the construction material, and the laver farm mesh, for preventing the propagation of bacteria, and the emission of toxic gas.
Patent KR-20100120344-A (KR)
Title: Metal complex containing phenyl-pyridines connected to carbazoles, it's preparation method and it's applications
Inventor: LEE YOUNG CHUL
IPC: C07F15/00
Filed: 2009-05-06
Abstract: PURPOSE: A carbazole structure-connected phenyl-pyridien metal complex compound is provided to use in a blue organic light emitting diode. CONSTITUTION: A metal complex compound contains a phernylpyridine structure which is connected with carbazole structure of chemical formula 1. In chemical formula 1, M is a metal having 40 or more of atomic weight; m is 1 or more; n is 0 or more; X-Y is ancillary ligand; and R1 is alkyl of C1-16 or alkyl ether group of C1-16. A light emitting device contains an organic layer having a compound of phenyl-pyridine structure.
Patent KR-20100122689-A (KR)
Title: Portable card reader
Inventor: LEE JANG HYUK
IPC: G06K7/01
Filed: 2009-05-13
Abstract: PURPOSE: A hand-held card reader is provided to block dust or the other foreign material flowing in the card insert hole depending on the use of card inserting hole. CONSTITUTION: A body housing comprises a card insert hole(21a). A closing device part(30) is in the body housing as sliding, the card insert hole is opened according to sliding to draw out a connector(50) from the body housing. A sliding unit is offered to the body housing and the closing device part to slide the closing device part.
Patent KR-20100123244-A (KR)
Title: A plastic forming apparatus having a rapid heating system using resistance heating and method for plastic forming of high reactivity metal powders
Inventor: PARK NHO KWANG
IPC: B22F1/00
Filed: 2009-05-15
Abstract: PURPOSE: A plastic forming device having rapid heating system using resistance heating and a method for plastic forming of high reactivity metal powders are consecutively provided to heat and press using an aggregate powder material. CONSTITUTION: A plastic forming device comprises a powder press roller(110), a guide roller(120), a resistance heating member(130), a hot rolling roller(140), a cooling member(150) and a storage member(160). The powder press roller rolls the metal powder to a low density board(P). The guide roller guides the transfer direction of the low density board. The hot rolling roller rolls the heated low density board.
Patent KR-20100123349-A (KR)
Inventor: KIM TAE KYU
IPC: B29C65/02
Filed: 2009-05-15
Abstract: PURPOSE: An integral pipe embedded with heat insulating materials, a manufacturing method and device thereof are provided to prevent the damage due to the moisture, external shock and the pressure since a cover material is fused to an insulating material and thus water-proof capacity and strength is enhanced. CONSTITUTION: An integral pipe(1) embedded with heat insulating materials consists of a metal pipe(10), an insulating material(20) and a cover material(30). The insulating material covers the metal pipe. The cover material covers the insulating material. The metal pipe, the insulating material and the cover material are heated, fused and integrated.
Patent KR-20100124475-A (KR)
Title: Clamp
Inventor: HWANG JONG KYOON
IPC: E01B25/20
Filed: 2009-05-19
Abstract: PURPOSE: An articulated switching device for preventing shaking is provided to maintain the uniform contact surface of a clamp by using a pad applied to a bracket. CONSTITUTION: An articulated switching device for preventing shaking comprises a bracket(10), a clamp(40) and a power cylinder. The bracket is installed on the ground. The clamp is installed in the bottom side of a girder to rotate. The power cylinder transfers the clamp. The bracket and the clamp can be attached and detached. The slack of the girder is prevented by the contacting of a bracket and a clamp.
Patent KR-20100127013-A (KR)
Title: Cooling/heating equipment by using heat pump
Inventor: KIM JAE HWI
IPC: F25B13/00
Filed: 2009-05-25
Abstract: PURPOSE: A cooling/heating apparatus using a heat pump is provided to continuously supply constant temperature of heat even in a severe cold area. CONSTITUTION: A cooling/heating apparatus using a heat pump(10) comprises a compressor(13), a first heat exchanger(11), an expansion valve(14), a second heat exchanger(12), a four-way valve(15), and a heat exchange line. The compressor, the first heat exchanger, the expansion valve, and the second heat exchanger form one cycle. The four-way valve delivers the refrigerant discharged from the compressor to the first or the second heat exchanger. The heat exchange line is connected from the second heat exchanger to underground water in an underground water tank(30) which is installed near the heat pump, and absorbs heat from the underground water or releases heat to the underground water. A circulating pump(32) is installed in the heat exchange line. A pipe is installed under the ground near the underground water tank and extended to the lower side of the underground water. A drain pump(40) is installed on the top of the pipe to pump the underground water in the underground water tank.
Patent KR-20090075648-A (KR)
Title: Method to purify polluted water
Inventor: HAN SANG KWAN
IPC: C02F1/00
Filed: 2009-05-26
Abstract: A water purification method for making polluted water to clean water using a method of discharging clean water staying at the bottom of stored water preferentially is provided to purify polluted water naturally by opening a discharge passage with an opening and closing plate and discharging bottom water of a water storage space preferentially when a water gate stands up, and to secure the service life of a water gate by closing a discharge passage with an opening and closing plate and cutting off impurities not to make contact with a discharge passage when a water gate overturns. A water purification method for making polluted water to clean water using a method of discharging clean water staying at the bottom of stored water preferentially comprises the steps of forming a bottom water discharge passage(22) to the bottom of a water gate(20), fixing a cylinder fixing shaft(23) to the inside of the water gate and connecting an actuating cylinder(30) to be rotatable, fixing a link fixing shaft(24) to the opposite side to the cylinder fixing shaft inside the water gate, and fixing a bend of the actuating link which is bent at an obtuse angle to be rotatable and fixing the front end of a cylinder rod(31) of the actuating cylinder to the top of an actuating link to be rotatable while, forming a guide hole(25) on the upper part of the bottom water discharge passage of the water gate, preparing a control plate(50) which is wider than the bottom water discharge passage and attached with a water stop member(51) at the inside and a guide bar(52) at the upper side and inserting the guide bar of the control plate to the guide hole to be separable, forming a long hole in the bottom of the actuating link and inserting an actuating pin fixed to a free end of the guide bar, thereby discharging clean water staying at the bottom of a water storage space preferentially by regulating the control plate while a water gate is closed.
Patent KR-20100128857-A (KR)
Title: Fire prevention it bites and the frame production production frame which it bites
Inventor: KIM HONG KEE
IPC: B21D37/00
Filed: 2009-05-29
Abstract: PURPOSE: A mold frame for manufacturing a fire door frame, capable of consecutive manufacturing process performance in one mold, is provided to form the steel plate curved. CONSTITUTION: A mold frame for manufacturing a fire door frame comprises a lower mold(50), an upper mold(30) and a intermediate mold(40). The lower mold is installed in the lower part of the intermediate mold. The lower mold comprises a mold curved surface. The upper mold is installed on the lower part of a press punch. A curved surface bending groove(34), an incline and a stepped part are continuously formed on the bottom(33) of the upper mold.
Patent KR-20100131751-A (KR)
Title: The penetration sleeve for connection pipe laying
Inventor: PARK SANG SIN
IPC: F16L5/08
Filed: 2009-06-08
Abstract: PURPOSE: A penetration sleeve for connecting a coupling pipe for laying pipes is provided to effectively bear the pressure of poured concrete because a reinforcing plate is formed between the drain pipe passing hole of the sleeve body and the connection through hole of the fixed cover. CONSTITUTION: A penetration sleeve for connecting a coupling pipe for laying pipes comprises a sleeve body(11) and a fixed cover(20). The sleeve body has a drain pipe passing hole, a connection through hole, and assembly holes(19). The assembly holes are formed in the upper side of the connection through hole and the drain pipe passing hole. The fixed cover is coupled to the top of the sleeve body, and includes assembly projections(24) coupled into the assembly holes and separated drain pipe lids(21,22) which are separately installed along cut lines(21a,22a).
Patent KR-20100134327-A (KR)
Inventor: KO JAE SOO
IPC: G10G5/00
Filed: 2009-06-15
Abstract: 본 발명은 색소폰 연주시 거치할 수 있도록 한 것으로 구체적으로는 물론 연주자가 휴식을 취할때도 사용 가능하나 주로 색소폰 연주시 연주자가 색소폰을 거치시킨 상태에서 자유자재로 방향을 전환하면서 연주 가능하도록 한 색소폰용 스탠드에 관한 것으로서, 
     본 발명인 색소폰용 스탠드의 구체적인 해결적 수단은,  
     "스탠드를 대략 수평면 상에 세워 놓기 위한 받침부(1)와, 신장되게 형성되어 대략 수직으로 정향되는 본체(200)에 구비된 본체회동수단(2)과, 상기 본체(200) 상단에 구비된 거치대회동수단(3)과, 상기 거치대 회동수단(3)의 전방에는 안치대의 회동을 위한 안치대 회동수단(4)이 결합되어 이루어진 것과, 
     상기 받침부(1)는 상기 본체(200)에 다리(10) 3개가 결합브라켓(11)에 의해 일측이 고정되어 상기 결합브라켓(11)에 형성된 조절레버(110)에 의해 고정 및 상하 슬라이딩 가능하도록 구비되어 있고 상기 다리(10)중 어느 하나의 타측은 바퀴(100)가 다른 나머지 다리(10)는 고정구(101)가 구비되어 있고 상기 본체(200)의 하끝단에는 고정브라켓(12)이 구비되어 바퀴(100)가 구비된 다리(10)의 중간부위와 탄성 스프링(102)으로 고정 결합된 상태이고 나머지 다리(10)의 중간부위에는 힌지(103)와 연결바(104)로 상기 고정 브라켓(12)에 회동 가능하도록 결합된 상태로서 상기 고정브라켓(12)은 지상에서 상측으로 이격되어 있는 것과, 
     상기 본체회동수단(2)은, 상기 본체(200)는 외통체(20), 중간체(21), 내통 체(22)인 3단으로 이루어져 있는 상태에서 외통체(20) 하끝단에 고정 브라켓(12)이 구비되어 있고 그 상부에는 결합브라켓(11)이 구비된 상태에서 그 상부에는 상기 외통체(20)의 내측으로 상하 슬라이딩되는 중간체(21)의 인입출을 조정하는 중간체 조정레버(210)가 구비되어 있고 그 상부에는 걸림링(211)이 구비되어 있고 그 위에는 내통체(22)와 일체로 회동링(220)이 구비되어 있으며 회동링(220) 외주 일측에는 내통체(22)의 상하 슬라이딩을 조정하는 내통체 조정레버(221)가 구비되어 있고 최상단에는 상기 거치대 회동수단(3)이 구비된 것과, 
     상기 거치대 회동수단(3)은, 상기 본체(200) 최상단에 구비된 것으로서 "U" 형상으로 상측에는 가로방향으로 관통공(300)이 구비되어 있고 상기 관통공(300)에는 고정바(301)가 구비되어 있으며 상기 고정바(301)를 착탈 가능하도록 조정레버(302)가 외측 중앙 체결되며 그 하단에는 회동핀(303)이 형성되어 있는 회동부재(30)와, 상기 고정바(301)의 타측에는 스프링(31)의 일측이 스프링(31)의 타측은 내통체 조정레버(221)와 사이에 탄성적으로 형성되어 있는 것과, 
     상기 안치대 회동수단(4)은 거치대 회동수단(3)의 고정바(301) 일측에 결합 가능하도록 결합봉(400)이 구비되어 있고 상기 결합봉(400)을 중심으로 "ㄷ"자 형상으로 양측이 관통된 결합편(401)으로 이루어진 브라켓(40)과, 상기 결합편(401) 내측에 구비된 스프링(41)과, 상기 결합편(401) 내측중 상기 스프링(41) 일측에 구비된 것으로 색소폰의 벨 외주면을 안치 가능하도록 하는 주 안치대(420)가 일측에, 색소폰의 몸체를 안치 가능하도록 하는 보조 안치대(421)가 타측에 구비되어 있고 상기 보조 안치대(421) 가까이에 보조밴드(422)가 구비되어 있으며 상기 보조  안치대(421)의 반대방향에 중앙에 나사공(423)이 천공된 연장편(424)이 일체로 구비된 안치부재(42)가 결합된 것과, 
     상기 주 안치대(420)에 별도로 삽입가능하도록 된 것으로서, 외주부에는 띠형상으로 되어 있고 중앙에는 천공된 상태로서 띠형상의 외주부 일측 전방에는 기타 관악기의 몸체를 안치토록 한 반원상의 파지부(430)가 구비된 피리형 색소폰안치대(43)를 착탈 가능하도록 결합된 것"을 그 구성적 특징으로 한다. 
     상기와 같은 본 발명은 연주자가 휴식을 취할때는 물론이고 연주중에도 자신의 체력소모를 최소화 할 수 있고 아울러 연주시 연주자의 행동 및 자세를 자유자재로 변화토록 할 수 있어 연주의 질 및 청중들의 흥을 돋굴 수 있도록 함과 동시에 절첩이 가능함으로서 보관이나 운반시 매우 편리한 것이다. 
       
      받침부, 본체부, 본체회동수단, 거치대회동수단, 안치대 회동수단.