baber/WOPTO huggingface dataset:
Patent KR-20100121126-A (KR)
Title: Construction method for bollard
Inventor: YOUN DAE BEUM
IPC: E02B3/24
Filed: 2009-05-08
Abstract: PURPOSE: A construction method of a bollard is provided to reduce construction time and costs because heavy equipment required for ground excavation is not required. CONSTITUTION: A construction method of a bollard is as follows. Anchor holes are formed in the ground of a wharf(1) using a boring device and fix anchor bolts(40) for fixing a bollard(30). A mounting space(20) for the bollard is formed in the ground of the wharf. The bollard is located in the mounting space and is fixed to the anchor holes using the anchor bolts. Concrete is placed in the mounting space to fix the bollard.
Patent KR-20090127067-A (KR)
Title: Method for purifying acetylene gas for use in semiconductor processes
Inventor: HSU GISHUN
IPC: H01L21/02
Filed: 2009-06-02
Abstract: PURPOSE: A method for refining acetylene gas to be used in a semiconductor process is provided to accomplish residual storage solvent density, by condensing residual storage solvent vapor of acetylene gas stream at a specific temperature and then separating the condensed acetylene storage solvent from the gas stream. CONSTITUTION: A pre-processing module(302) treats acetylene gas stream in advance before being used in forming a layer of high carbon-containing material on a semiconductor substrate. An inlet port comprises the connector suitable to be connected to a acetylene supply source. A trap(312) is arranged to accumulate the condensed liquid from the acetylene gas stream. An outlet port comprises a connector suitable for a deposition chamber to form a high carbon-containing material layer on the semiconductor substrate. A heat exchanger comprises a first coil module and a second coil module. The acetylene gas stream from the inlet port enters the first coil module to pass through a trap and enters the second coil module attached to the outlet port.
Patent KR-20100130448-A (KR)
Title: An oilpressure-type floor hinge apparatus for door
Inventor: NAM SUN OH
IPC: E05F3/00
Filed: 2009-06-03
Abstract: PURPOSE: A hydraulic floor hinge device for opening and closing a door, which can supply buffer force, is provided to reduce maintenance and repair costs and effort by reducing a size and simplifying a structure. CONSTITUTION: A hydraulic floor hinge device for opening and closing a door comprises a floor hinge housing(101), a cylinder member(110), a piston unit(120), a cam unit(130) and an elastic control unit(140). The cylinder member is installed in the inner structure of the housing. The piston unit is installed inside the cylinder member to move up and down.
Patent KR-20100132606-A (KR)
Title: 생칡 고유의 맛과 향을 갖는 건강 음료의 제조방법 및 교반기
Inventor: LEE KWAN KYU
IPC: A23L3/005
Filed: 2009-06-10
Abstract: 본 발명은 생칡 고유의 맛과 향을 갖는 건강 음료의 제조방법에 관한 것으로, 더욱 상세하게는 생칡이 가지고 있는 알갱이를 손상시키지 않고 분쇄한 후 생칡의 발효시간을 단축하되, 과당이나 향신료 등을 넣지 않고 특유의 향과 맛이 뛰어난 건강 음료를 제공할 수 있도록 하는 생칡 고유의 맛과 향을 갖는 건강 음료의 제조방법 및 교반기에 관한 것이다. 
     본 발명은 생칡을 물로 세척하고 분쇄기에서 분쇄하는 단계; 상기 분쇄한 생칡과 깨끗한 물을 6:4의 중량비로 혼합하여 희석시킨 후 1∼2시간 동안 공기 중에서 상온 발효하는 1차 발효단계; 상기 1차 발효된 생칡을 탈수기에 공급하여 생칡즙을 탈수하는 단계; 생칡즙을 18∼22rpm으로 회전하는 교반기에 공급하여 70∼90분간 저속으로 회전시켜 2차 발효시키는 교반단계; 상기 2차 발효된 생칡을 교반기에 넣어 저속으로 교반한 후 교반기를 80℃의 온도로 9∼11분간 가열하는 살균단계; 및 상기 살균된 생칡즙을 진공 포장기에 그대로 공급하여 진공포장함을 단계;를 포함하는 것을 특징으로 하는 것이다. 
       
     생칡, 건강 음료, 발효, 착즙, 멸균
Patent KR-20100132610-A (KR)
Title: Insert and test tray including the same in test handler
Inventor: PARK KYU CHUEL
IPC: H01L21/67
Filed: 2009-06-10
Abstract: PURPOSE: An insert and a test tray with the same for a test handler are provided to prevent the separation of electronic parts received in a receiving mold. CONSTITUTION: A receiving mold(200) receives electronic parts by arranging a plurality of receiving grooves in a row. A first latch(300) is combined with one side of a receiving mold in parallel to the arrangement direction of a receiving groove(210). A second latch(400) faces the first latch in the other side of the receiving mold.
Patent KR-20090130824-A (KR)
Title: Negative electrode material for non-aqueous electrolyte secondary battery and method for preparing the same, and lithium ion secondary battery and electrochemical capacitor
Inventor: FUKUOKA HIROFUMI
IPC: H01M4/587
Filed: 2009-06-15
Abstract: PURPOSE: A negative electrode material for non-aqueous electrolyte secondary battery is provided to a lithium ion secondary battery with high charge and discharge capacity and good cycleability, and to enable simple production method. CONSTITUTION: A negative electrode material for non-aqueous electrolyte secondary battery is conductive powder in which the surface of particles having a structure in which microcrystals of silicon are dispersed in a silicon compound is coated with carbon coating. In X-ray diffraction (Cu-Kα) using copper as a counter negative ion, the half-value breadth of a diffraction peak reverting to Si(111) near 2θ=28.4° is 1.0° or more and the pulverized body resistivity is 50 mΩ or less.
Patent KR-20090108678-A (KR)
Title: Impeller for windpower generator
Inventor: SEO JEONG DO
IPC: F03D11/00
Filed: 2009-06-16
Abstract: PURPOSE: An impeller for a wind power generator is provided to maximize the rotation and to prevent damage to the generator by separating the rotating shaft of the impeller from a link shaft connected to the generator when the impeller rises. CONSTITUTION: An impeller for a wind power generator comprises a rotating shaft(11) installed vertically on a frame, and impeller blades(12) installed in the radial direction on the exterior surface of the rotating shaft. A casing including an inlet port, an outlet port, and a rudder opposite the inlet port is installed to surround the impeller and rotates. A generator which is activated by the torque of the impeller is installed on the frame beneath the rotating shaft. The impeller bade has air through holes(14) on a blade main body.
Patent KR-20100135082-A (KR)
Title: Cell and stack measurement equipment for fuel cell available to environmental control of extremely low temperature
Inventor: KWON HOE JUN
IPC: H01M8/04
Filed: 2009-06-16
Abstract: PURPOSE: Cell and stack measurement equipment is provided to enable performance evaluation in various environment conditions from a low temperature band to a high temperature band, and minute temperature control of cell and stack. CONSTITUTION: Cell and stack measurement equipment for a battery cell includes: a constant-temperature chamber(10) controlling an ambient condition of a fuel cell; a first heating part(21) controlling a temperature condition inside a chamber; a second heating part(22) which precisely controls the temperature of the fuel cell; a humidifying part(23) for controlling a humidity condition inside the constant temperature chamber; a first control part; a fuel cell unit cell or stack(30); a second control part; a measurement part; and a data-processing part.
Patent KR-20100138280-A (KR)
Title: Angle control desk
Inventor: HA GYEONG SU
IPC: A47B91/02
Filed: 2009-06-25
Abstract: PURPOSE: An angle control desk is provided to maintain the desk level even when being used on uneven ground. CONSTITUTION: An angle control desk includes desk legs which are extended from a desk plate(10). A length control unit(24) is fixed by a pin(23) and connects an angle control unit and the length control unit. The angle control unit is rotated through a rotation unit. A urethane plate is attached to the bottom of the angle control unit. The desk legs are independently moved to make the desk level according to ground conditions.
Patent KR-20110001522-A (KR)
Title: Gear train of automatic transmission for vehicles
Inventor: JANG WOOK JIN
IPC: F16H3/46
Filed: 2009-06-30
Abstract: PURPOSE: A gear train of the automatic transmission for vehicles is provided to implement a second-step forward gear and a eighth-step reverse gear by operating a fourth and fifth rotation element with a fixed element. CONSTITUTION: A third rotation element(N3) is directly connected to one among the rotation elements of the second planet gear set(PG2). A fourth rotation element(N4) is directly connected to the third rotation element. A fifth rotation element(N5) is selectively connected to the second rotation element(N2). A sixth rotation element(N6) is directly connected to an output gear(OG). An eighth rotation element(N8) is directly connected to a fourth rotation element. A ninth and tenth rotation element(N9,N10) are selectively connected to a transmission housing(H).
Patent KR-20110009896-A (KR)
Title: 와이어링 하네스 제작용 지그
Inventor: CHUN DONG JIN
IPC: B25B11/02
Filed: 2009-07-23
Abstract: 본 발명은 와이어링 하네스를 제작하기 위한 와이어링 하네스 제작용 지그에 있어서, 와이어링 하네스를 고정하는 와이어링 하네스 지지부와, 와이어링 하네스 지지부와 연결되되 일측이 길이방향으로 연장되어 형성된 제 1 걸림 홀과, 제 1 걸림 홀과 연결되어 일정한 간격으로 형성된 적어도 둘 이상의 제 2 걸림 홀을 포함하는 고정부, 및 일측이 고정부의 내부에 선택적으로 삽입되고 타측이 와이어링 하네스 조립판의 내부 일측과 고정되되 일측은 높이 조절이 가능하도록 제 1 걸림 홀과 제 2 걸림 홀에 선택적으로 걸리는 적어도 둘 이상의 제 1 걸림 돌기를 포함하는 높이 조절부를 포함하는 와이어링 하네스 제작용 지그를 제공한다. 
       
     와이어링 하네스 제작용 지그, 와이어링 하네스, 높이 조절부
Patent KR-20110010001-A (KR)
Inventor: JEE JEONG DAE
IPC: H04M1/00
Filed: 2009-07-23
Abstract: 본 발명은 소정 공간 내에 위치하는 이동 단말기의 기설정된 특정 주파수 범위가 감지될 때 기설정된 이벤트가 발생하면, 기저장된 알람 정보를 제공하는 분실 방지 장치 및 그 방법에 관한 것이다. 이를 위하여 본 발명에 따른 분실 방지 방법은, 이동 단말기의 기설정된 특정 주파수 범위가 감지될 때, 기설정된 이벤트 발생 여부를 확인하는 단계; 및 상기 확인 결과, 상기 기설정된 이벤트가 발생되면, 기저장된 알람 정보를 출력하는 단계를 포함하여 이루어진다. 
       
     분실 방지 장치, 이동 단말기, 주파수, 차량, 집, 사무실
Patent KR-20110012650-A (KR)
Title: Backlight unit and display apparatus thereof
Inventor: KIM YONG SUK
IPC: G02F1/1335
Filed: 2009-07-31
Abstract: PURPOSE: A backlight unit and a display device using the same are provided to improve a picture quality of a display image. CONSTITUTION: A plurality of light source(13) emits light to the first direction. A plurality of light guiding plates(15) emit light which is emitted from the light source to the first direction to the second direction. The second direction is formed to an upper direction and crossed with the first direction. A plurality of optical patterns is formed on an upper side of the light guiding plates. The light is projected to the external side through an optical pattern.
Patent KR-20110019304-A (KR)
Title: 펼친제본
Inventor: KIM KI GAB
IPC: B42C5/00
Filed: 2009-08-19
Abstract: 통상의 경우 책 중앙부분이 깊이파여 읽기 불편함을 방지하는 제본 
     
     책등,풀칠,접착,책중앙,표지 본드
Patent KR-20100080317-A (KR)
Title: Method of location update
Inventor: PARK GI WON
IPC: H04B7/26
Filed: 2009-08-26
Abstract: PURPOSE: A method of location update in a wireless communication system is provided to determine a paging group which will be allocated to a terminal based on mobile information of a terminal, thereby allocating paging group of accurate size according to the situation of the terminal. CONSTITUTION: A ranging request message for location update is received from a terminal. The ranging request message comprises the mobile information of the terminal. A ranging response message including a paging group ID is transmitted to the terminal. The paging group is determined according to mobile information of the terminal. The ranging response message comprises a first and a second group ID. A paging group determined according to mobile information of the terminal is the first paging group.
Patent KR-20110023333-A (KR)
Title: Nonvolatile memory device, driving method thereof and memory system having the same
Inventor: KIM MOO SUNG
IPC: G11C16/08
Filed: 2009-08-31
Abstract: PURPOSE: A nonvolatile memory device, a driving method thereof and a memory system having the same are provided to improve reliability by enabling a program operation to be erase state and a plurality program states. CONSTITUTION: A high voltage generator(142) generates a high voltage. An address decoder(120) receives high voltage. The address decoder drives a plurality of word lines to the word line voltage. The high voltage is varied according to the supply of a negative word line voltage which is supplied to at least one word line.
Patent KR-20110024375-A (KR)
Title: 방진형 파이프 연결구조
Inventor: I GEON MIN
IPC: F16L23/02
Filed: 2009-09-02
Abstract: 본 발명은 상호 연결된 두 파이프 중 어느 하나에 가해지는 외부 진동이나 충격이 다른 하나로 전해지는 것을 차단시켜 주는 방진형 파이프 연결구조에 관한 것이다. 
     이를 구현하기 위하여, 본 발명에 따른 방진형 파이프 연결구조는 플랜지를 갖는 파이프;  끼움공 및 이의 내주면에 상기 플랜지와의 체결 반대 방향으로 환형 확장단턱부를 갖는 연결유닛;  상기 연결유닛의 끼움공에 끼워지고, 상기 확장단턱부에 일단부(一端部)가 안착되는 결합부를 갖는 연결파이프; 및  상기 파이프의 플랜지와 상기 연결파이프의 결합부에 개재되는 수밀(水密) 및 방진(防振)을 위한 중계체;를 포함하여 이루어져, 상기 연결파이프가 끼워진 연결유닛과 상기 파이프의 플랜지가 상호 체결된 상태에서 상기 중계체를 통해 상기 파이프의 플랜지와 상기 연결파이프의 결합부가 상호 비(非)접촉되는 것을 특징으로 한다. 
       
     파이프, 관, 플랜지, 플렌지, 방진, 진동, 충격, 패킹, 수밀, 기밀, 밀폐, 연결구조
Patent KR-20110034188-A (KR)
Title: Liquid crystal display panel, liquid crystal display apparatus having the same, and method for driving the liquid crystal display apparatus
Inventor: BAK DAE YANG
IPC: G09G3/36
Filed: 2009-09-28
Abstract: PURPOSE: A liquid crystal display panel, a liquid crystal display device with the same, and a method for driving the liquid crystal display device are provided to form a sensing line in one direction, thereby increasing the aperture ratio of the liquid crystal display panel. CONSTITUTION: A pixel electrode is formed in a pixel area defined by adjacent data and gate lines. A plurality of sensing lines is in parallel with data lines. An array substrate(210) comprises gate lines and a circuit part for sensing a touch. A facing substrate(220) faces the array substrate. The facing substrate includes connection units separated from the array substrate.
Patent KR-20110034349-A (KR)
Title: Bioelectrochemical hydrogen generating apparatus using a photovoltaic cell-storage battery assemble as an external voltage apparatus and method for operating the same
Inventor: KIM IN SU
IPC: C25B1/02
Filed: 2009-09-28
Abstract: PURPOSE: A bioelectrochemical hydrogen generating apparatus and a method for operating the same are provided to improve the generation amount of hydrogen by reducing internal resistance and resistance transferred to the hydrogen. CONSTITUTION: A reaction bath(10) includes a hollow space. A first supporting stand(12) is arranged in the reaction bath. An anode(14) containing electrochemically active microorganism(13) is arranged on the surface of the first supporting stand. A second supporting stand(15) is arranged in the reaction bath. Nanocarbon powder(16) is coated on the surface of the second supporting stand. A cathode(18) containing a binder with sulfonic group binds the second supporting stand and the nanocarbon powder.
Patent KR-20110035461-A (KR)
Title: Room mirror assembly for automobile having universal adapter
Inventor: YOO BYONG SEOP
IPC: B60R1/04
Filed: 2009-09-30
Abstract: PURPOSE: A room mirror assembly having a universal adapter for a vehicle is provided to assembly a room mirror assembly regardless of the kind of a vehicle by applying an adaptor of variable shape. CONSTITUTION: A room mirror assembly comprises an adapter(30) and a supporting member(11). The fixing member is installed in the wind shield of the vehicle. The fixing member has various structures according to the kind of vehicles. The adapter has each plane corresponding to the fixing member. The supporting member is connected to a stay(10) and is combined with the adapter.
Patent KR-20110038885-A (KR)
Title: Backlight unit and liquid crystal display using the same
Inventor: LEE CHANG HO
IPC: G02F1/13357
Filed: 2009-10-09
Abstract: PURPOSE: A backlight unit and a liquid crystal display using the same are provided to reduce abnormal discharge since an overlapped area between fluorescent substance and an outer electrode is reduced, and gas pressure and the content of argon are adjusted. CONSTITUTION: Fluorescent substance is applied on the inner wall of a glass tube(21). The inner space of the glass tube surrounded by the fluorescent substance is filled with mixed gas. Multiple EEFLs comprise an outer electrode(22) covering the end of the glass tube. Fluorescent substance(23) and an outer electrode are not overlapped. The fluorescent substance and the outer electrode are separated from each other.
Patent KR-20110040056-A (KR)
Title: Apparatus and method for providing access point function in portable communication system
Inventor: CHOI JONG MU
IPC: H04W88/04
Filed: 2009-10-13
Abstract: PURPOSE: A device for reducing a connection procedure in a portable terminal is provided to connect a surrounding terminal to a business network connected to the portable terminal through allocated resources. CONSTITUTION: A device providing an access point function includes an AP function unit(104) and a control unit(100). In an environment in which an AP does not exist, the AP function unit performs the AP function through a portable terminal. If a terminal which desires to connect with the AP exists, the control unit performs connection with the terminal without inputted password information of the AP.
Patent KR-20110040534-A (KR)
Title: Recovery apparatus of the precious metal
Inventor: CHOI JONG HWAN
IPC: C22B11/00
Filed: 2009-10-14
Abstract: PURPOSE: A precious metal recovery apparatus is provided to extend the range of adsorption of a filler to ion-exchange resin by supplying the filler from the top or bottom of a recovery tank. CONSTITUTION: A precious metal recovery apparatus comprises a supply part(110), a recovery tank(120), a pipeline part(130), a valve part(150), a control part(160), and a discharge pipe. The supply part comprises a pump for transferring a filler including precious metal and a filter for filtering the filler transferred by the pump. The recovery tank is provided with the filler from the supply part, and ion-exchange resin is formed in the recovery tank to adsorb precious metal. One end of the pipeline part is connected to the supply part while the other is connected to the recovery tank. The valve part is formed in the pipeline part to control the flow path in the pipeline part. The control part controls the valve part to selectively supply the filler to the top or bottom of the recovery tank. The discharge pipe is connected to the pipeline part to discharge the filter having passed through the recovery tank.
Patent KR-20100043022-A (KR)
Title: Liquid crystal display device
Inventor: OTA AKIO
IPC: G02F1/136
Filed: 2009-10-15
Abstract: PURPOSE: An LCD(Liquid Crystal Display) device is provided to enable a static electricity to control the access in display area through the first wire or the second wire and easily protect a display area from a static electricity. CONSTITUTION: A plurality of dummy pixels is formed in non-display area. TFTs(30) are formed on each dummy pixel as a plurality of switching elements. Protecting TFTs are connected to scanning lines(12) or signal lines(16). The protecting TFTs are connected to each other in parallel. Drain electrodes of the protecting TFTs are connected to a wire which is given by common electric potentials.
Patent KR-20110043910-A (KR)
Title: Transferring device using aero-levitation style
Inventor: KIM KI DONG
IPC: B23Q3/08
Filed: 2009-10-22
Abstract: PURPOSE: A levitation-type transfer device is provided to facilitate the transfer of parts to a processing position by floating the parts with air spray. CONSTITUTION: A levitation-type transfer device(1) comprises a body(10), a floating plate(20), and an air supply unit(30). The body has an air channel(11) inside. The floating plate is installed to be sealed on the top of the body and has a plurality of air spray holes connected to the air channel of the body to float parts transferred to the upper side of the floating plate. The air supply unit supplies air to the air channel of the body.
Patent KR-20110045110-A (KR)
Title: 화재시 관리자에게 문자를 통보하는 무선 송신기
IPC: G08B17/06
Filed: 2009-10-26
Abstract: 본 발명은 화재 감지 시스템에 관한 것으로서, 더욱 상세하게는 화재의 발생을 정확히 감지하여 오작동 및 미작동을 줄일 수 있는 화재 감지 시스템에 관한 것이다. 
     본 발명의 화재 감지 시스템은 열을 감지하는 열감지센서와, 연기를 감지하는 연감지센서와, 불꽃을 감지하기 위한 자외선 및 적외선 감지센서를 가지는 감지부와, 감지부의 신호를 증폭하는 증폭회로와, 증폭회로의 신호가 입력단으로 입력되는 마이컴과, 마이컴의 출력단과 연결되어 화재발생을 표시하는 화재표시부와, 마이컴의 출력단과 연결되어 이더넷를 이용한 유선통신과 RF를 이용한 무선통신으로 화재발송신호를 방재센터 및 이동 통신단말기에 전송하는 통신인터페이스부와, 마이컴의 출력단과 연결되며 마이컴의 제어신호에 따라 소방용 수신반을 조작하는 릴레이구동부를 구비한다.본 발명의 화재 감지 시스템에 의하면 불꽃뿐만 아니라 연기와 열을 감지함으로써 화재의 발생을 정확히 감지하여 오작동 및 미작동을 줄일 수 있는 화재 감지 시스템을 제공한다. 
       
     화재 감지기, SMS, 휴대용 단말기
Patent KR-20110045133-A (KR)
Title: Surgical instrument
IPC: A61B17/28
Filed: 2009-10-26
Abstract: PURPOSE: A surgical instrument is provided to insert and eject a guide tube and a torque cable into and from a shaft to make a wrist motion and a grip motion of an effecter, thereby slimming the shaft of the surgical instrument. CONSTITUTION: A surgical instrument includes a shaft(10), a guide tube(20), and an effecter(30). The shaft has a tube shape. The guide tube is inserted into the shaft. The end of the guide tube is bent. The effecter is coupled with the end of the guide tube to perform a necessary surgical operation.
Patent KR-20110046073-A (KR)
Title: System and Method for Monitoring Integrated Gateway in ???
IPC: H04L12/66
Filed: 2009-10-28
Abstract: PURPOSE: A system and method for monitoring integrated gateway in an IVN(In-Vehicle network) are provided to monitor an integrated gateway by using an Ethernet port and wireless communication in an IVN system. CONSTITUTION: An ECU(Electronic Control Unit) simulation unit(13) generates ECU data using plural kinds of vehicle protocols, and a gateway unit(12) converts the different kinds of protocol data into mutual interworking protocol and transfers the mutual interworking protocol. A monitoring unit(11) displays the information on the data value converted in the gateway unit.
Patent KR-20110047520-A (KR)
Title: Linear vibration generator
IPC: H02K33/02
Filed: 2009-10-30
Abstract: PURPOSE: A linear vibration generator is provided to enhance vibrational force to be equivalent to volume. CONSTITUTION: A coil is placed on a bracket(221). A case(222) covers a coil and a vibrator on the bracket. An elastic member(240) connects the case with a weight and provides elasticity to the vibrator. The weight includes a cylindrical unit. A permanent magnet is placed in the cylindrical unit.
Patent KR-20100049495-A (KR)
Title: Polyester film and manufacturing method of the same
Inventor: KIM YUN JO
IPC: B32B27/14
Filed: 2009-11-03
Abstract: PURPOSE: A polyester film and a method for manufacturing the same are provided to indicate a uniform haze value through whole surface of the film and to consequently to secure uniform index of illumination. CONSTITUTION: A polyester film comprises a polyester polymer base layer including a layer for diffusing light. The polyester polymer base layer except for the layer for diffusing light has a matrix of a polyester resin with a melting point of Tm1. The layer for diffusing light includes heterogeneous optical diffusion particles which are diffused on a transparent resin matrix. The transparent resin matrix comprises homopolyester resin 20-80 weight% and a copolymer resin 20- 80 weight%.
Patent KR-20110049148-A (KR)
Title: Overlay network system and method of multicast using the same
Inventor: JO JIN YONG
IPC: H04L12/18
Filed: 2009-11-04
Abstract: PURPOSE: An overlay network system is provided to perform point-to-point or point-to-multipoint forwarding in a data flat surface by a proxy node to perform configuration of a spanning tree and management of the proxy node in a control flat surface by a management server. CONSTITUTION: A plurality of proxy nodes(110) is connected to a plurality of terminal hosts(140). The plurality of proxy node monitors the joining and leaving a multicast of a host end part. By corresponding to a flow table of a coordinator(150), the plurality of proxy node moves a packet by a IP-in-IP. The management server configures a multicast spanning tree. The management server sets a flow table about a packet flow.
Patent KR-20110049284-A (KR)
Inventor: LEE JOON SANG
IPC: B42D3/16
Filed: 2009-11-05
Abstract: 본 발명은 책의 읽고 있는 페이지를 표시해주는 책갈피에 있어서, 기존 직사각형 모양의 책갈피의 문제점인 책에서 쉽게 이탈할 수 있다는 점과, 책을 읽는 동안에는 책 사이에 끼워두기 힘들다는 점을 해결하기 위하여 기존 책갈피에서 발전된 고정식 책갈피에 관한 것이다. 
       
     책갈피, 고정