baber/WOPTO huggingface dataset:
Patent KR-20080100747-A (KR)
Title: Water adsorption belt and apparatus for dehydrating water from sludge cakes using the same
Inventor: OH HEUNG DAE
IPC: C02F11/12
Filed: 2007-06-29
Abstract: An apparatus for dehydrating water from sludge cakes is provided to prevent the penetration of residue ejected from a sludge cake, and effectively absorb only drain water. An apparatus for dehydrating water from sludge cakes comprises the followings: a core body(366) for maintaining the shape of a belt by making polyester fiber coupled with both sides of a uniform polyester fiber bundle and maintaining the shape of the belt; and upper and lower adsorption layers(365a,365b) obtained by making polyester textiles respectively laminated on upper and lower surfaces of the core body through a hot pressing process. The polyester textiles are woven by strengthening elastomer and hydrophilic polymer material so as to have a velveteen texture.
Patent KR-20090005553-A (KR)
Title: Navigation system and method for guiding speed limiting informaion by block
Inventor: JUNG JU HAN
IPC: G01C21/34
Filed: 2007-07-09
Abstract: A navigation system capable of providing against block regulation and method for guiding speed limit information of block are provided to perform over speed caution guide by providing limit speed and estimate time of speed limit section. A method for guiding speed limit information of block comprises the following steps: a step for searching a route from a current position to a destination(S210); a step for performing a route guide by providing a map screen and a voice guide about a searched route(S220); a step for determining a speed limit block on the searched route based on a current position of user(S230); a step for reading database information corresponding to a sensed speed limit block(S240); a step for calculating recommendation speed and estimate time of the speed limit block(S250); and a step for guiding the recommendation speed and the estimate time(S260).
Patent KR-20090008907-A (KR)
Title: Press device
Inventor: KWON MOO SU
IPC: B30B15/02
Filed: 2007-07-19
Abstract: A press apparatus is provided to prevent that the panel is restored by the residual stress and improve the molding quality and reduce the manufacturing cost. A press apparatus comprises a bottom mold master(3) in which a panel(1) is placed, a top mold pad(2) which is located on the top of the bottom mold master and fixes the panel with the bottom mold master when molding the panel, a steel housing(19) which is installed to move up and down in order to mold the panel first, a top mold drive moving the steel housing up and down, a moving steel(17) which is installed to move right and left in order to mold the panel secondly, and a hydraulic driving apparatus for moving the moving steel right and left with pneumatic pressure.
Patent KR-20080052273-A (KR)
Title: ADHESIVE FILM FOR DICING&Middot;DIE BONDING, SEMICONDUCTOR DEVICE USING THE SAME AND MANUFACTURING METHOD THEREOF
Inventor: HONG JONG WAN
IPC: H01L21/48
Filed: 2007-07-19
Abstract: An adhesive film for dicing and die bonding is provided to easily delaminate a film from a dicing film while maintaining adhesive strength of a film itself and effectively avoid separation of a wafer in a dicing process or a cleaning process by forming an adhesive layer having an unevenness structure or a plurality of holes. An all-in-one adhesive film for dicing and die bonding includes an unevenness structure or a structure having a plurality of holes passing through a surface. The unevenness structure can be an embossing structure. The diameter of the hole can be from 10 to 1000 mum. One surface of the adhesive film can be made of a flat side shape.
Patent KR-20090011441-A (KR)
Inventor: SHIN SOON JOO
IPC: E04B1/64
Filed: 2007-07-26
Abstract: 본 발명은 벤토나이트 방수 방법 및 방수 시트에 관한 것이며, 방수 시트는 벤토나이트층과; 불투수성 플라스틱시트와; 상기 벤토나이트층과 상기 플라스틱시트 사이에 위치하고, 상기 플라스틱시트에 부착되어 상기 벤토나이트층의 벤토나이트 알갱이들을 입체적으로 부착하고 있는 부칙포층을 포함하는 것이다. 그리고 이러한 방수 시트를 사용하여 지하의 콘크리트 벽을 방수하는 방법이다. 
       
     벤토나이트, 플라스틱시트, 방수층, 부직포, 되먹임 흙
Patent KR-20090015358-A (KR)
Title: Method for transmission data between nodes in ubiquitous sensor network environment
Inventor: KIM JIN YOUNG
IPC: H04L12/28
Filed: 2007-08-08
Abstract: A data communications method between nodes under USN(Ubiquitous Sensor Network) environment is provided to operate additional time dynamically and to provide reliable communication under USN environment. A first sensor node(A) transmits data to a third node(C) and a fifth sensor node(E) which is corresponding child nodes. Data are transmitted to the first and second sensor nodes which are the corresponding parent node. The corresponding art exhibition eulogy node reports to the transfer time through the parent node to the sink node about art exhibition eulogy data. The formed parent node repeats the operation of reporting amount of art exhibition eulogy data to its own parent node.
Patent KR-20090015433-A (KR)
Title: Permanent magnet actuator and circuit breaker having the same
Inventor: LEE JONG HYUK
IPC: H02K33/02
Filed: 2007-08-08
Abstract: A permanent magnetic type actuator and a battery circuit breaker are provided to improve a trip manipulation by driving an actuator with a low power using a lever principle. A frame(153) forms a magnetic path and has an accommodation space therein. A movable element(155) is arranged in a frame and the movable element can be moved to an inserting position and a trip position in the frame. A permanent magnet(161) is arranged in the circumference of the movable element in a central part of the frame. An injection coil is arranged in one side of the permanent magnet according to a traveling direction of the movable element. An actuator body(151) includes a trip coil arranged in the other side of the permanent magnet. A trip frame(173) moves the movable element to the trip position. A spring(191) provides an elastic force in order that the trip frame is circulated to the trip position. A lever type hand operation trip device(171) includes a lever(211) which makes the trip frame circulated to the trip position.
Patent KR-20090016325-A (KR)
Inventor: HONG JAE WOOK
IPC: G07F19/00
Filed: 2007-08-10
Abstract: 본 발명은 금융 자동화 기기에 관한 것으로, 보다 상세하게는 금융 자동화 기기에서 검출된 위치 정보를 근접한 다른 금융 자동화기기를 통하여 금융 서버로 전송하는 금융 자동화 기기의 위치 정보 전송 방법 및 상기 방법을 수행하는 금융 자동화 기기에 관한 것이다.  본 발명에 따른 금융 자동화 기기는 금융 자동화 기기의 위치 정보를 검출하는 위치 정보 검출부 및 상기 검출된 위치 정보를 제2 금융 자동화 기기로 전송하는 트랜시버를 포함한다.  상기 제2 금융 자동화 기기로 전송된 위치 정보는 상기 제2 금융 자동화 기기와 연결된 금융 서버로 전송된다. 
       
     금융 자동화 기기, GPS 위성, 금융 서버, 트랜시버, 센서
Patent KR-20090021663-A (KR)
Title: Rf amplifier and method amplifing using thereof
Inventor: OH WON SEOK
IPC: H03F3/189
Filed: 2007-08-28
Abstract: An RF(Radio Frequency) amplifier and an amplifying method are provided to improve bandwidth by using an active feedback method using an active element. An RF amplifier includes a first amplifier(10), a second amplifier(40), an active negative feedback unit(30) and an NIC(Negative Impedance Compensation) unit(20). The first amplifier amplifies the input signal firstly. The first amplifier has a low gain and wideband characteristic. The second amplifier increases the gain of the output signal of the first amplifier. The second amplifier reduces the DC level. The active negative feedback unit negatively feeds back the output of the second amplifier to the input of the second amplifier through the feedback transconductance. The NIC unit compensates for the parasitic capacitance of the output node of the first amplifier.
Patent KR-20090027516-A (KR)
Title: Portable terminal and method controlling keypad thereof
Inventor: PARK CHEOL HEE
IPC: G06F3/041
Filed: 2007-09-12
Abstract: A portable terminal and a method controlling a keypad thereof are provided to display a keypad image including a transmission area, thereby reducing temporal chaos by preventing overlap of an application screen and a keypad image. Entering a character input mode is performed on a wireless internet screen(S101). A controller transparently processes a corresponding area corresponding to a character input window of the keypad image when a user touches a specific function key allocated to perform a keypad displaying/hiding function in the character input mode(S103,S105). A display module displays the processed keypad image in the foreground of the wireless internet screen(S107).
Patent KR-20090027925-A (KR)
Title: Method for controlling gain automatically in wireless data receiver
Inventor: YOON SOUNG UK
IPC: H04B1/12
Filed: 2007-09-13
Abstract: A method for automatically controlling a gain in a wireless data receiver is provided to prevent delay due to transceiving of data in a broad band and minimize an error range of a base band. Input data are received from a transmitting channel(S220). Sampling of the received input data is performed. A power level about the input data is determined by using the sampling data. According to the determined power level, the input data is amplified or attenuated. It is determined whether a receiving channel receiving the input data from the transmitting channel is synchronized(S230). When the received channel is synchronized, the input data is received during a preset period during which the input data is transmitted from the transmitting channel by applying the determined power level(S240).
Patent KR-20080027145-A (KR)
Title: Scalar arm
Inventor: ISHIKAWA KAZUHIRO
IPC: H01L21/67
Filed: 2007-09-17
Abstract: A scalar arm is provided to connect a front end of a pre-arm and a connective shaft to each other by using a synchronization unit. A scalar arm includes a pair of pre-arms(4), a supporter(1), a transfer arm(5), and a synchronization unit(6). Each of the pre-arms is composed of two arms(2,3). Each of the pre-arms is attached rotatably at the supporter. The transfer arm is formed to connect rotatably front ends of the pre-arms with each other. Connective shafts are fixed to front ends of the pre-arms connected to the transfer arm. The synchronization unit connects the connective shafts to each other. The synchronization unit includes a pair of gears and a synchronous rotation motor unit for rotating the connective shafts.
Patent KR-20090031135-A (KR)
Title: Air-conditioner
Inventor: NOH WOONG SEOK
IPC: F24F1/00
Filed: 2007-09-21
Abstract: An air-conditioner is provided to flow refrigerant into a plurality of flow paths evenly by decreasing pressure while the refrigerant flowed in a heat exchanger passes through a buffer zone. A refrigerant distributor(300) distributes the refrigerant, flowed in the inside of a heat exchanger part, to a plurality of flow paths and is installed at one end of the heat exchanger. The refrigerant distributor comprises: an acceleration unit(310) increasing the flow rate of the refrigerant; and a distribution unit(320) equalizing the distribution of the refrigerant passing through the acceleration unit. The acceleration unit comprises: an inlet hole(312) in which the refrigerant is flowed; and an acceleration hole(314) flowing the refrigerant passing through the inlet hole.
Patent KR-20080024100-A (KR)
Title: Device for correcting bowleg
Inventor: SEO KYUNG BAE
IPC: A61F5/04
Filed: 2007-10-11
Abstract: A device for correcting bowleg is provided to prevent difficulty from being given to a human body regardless of the difference in a user's physical structure, and to maximize the correction effects. A device for correcting bowleg includes a couple of foot supports(1341). The foot supports make user's feet placed and supported thereon. The foot supports are rotated forwardly/backwardly to make the user's feet rotated in inner and outer directions. Third resistance that resists the forward rotation of the foot support is given to the foot support. The resistance of the third resistance is constituted to be able to be adjusted. The foot supports are able to move freely in left and right directions within a determined range. The foot support includes a foot plate cushion(1342).
Patent KR-20090038751-A (KR)
Title: Method of performing arq procedure for transmitting high rate data
Inventor: KIM JIN JU
IPC: H04L1/12
Filed: 2007-10-16
Abstract: A method of performing ARQ procedure for transmitting high rate data is provided to rapidly move the transmission window by reflecting the HARQ feedback situation to the electrical transmission of the RLC PDU. A transmitter sends the RLC PDU(SN=0) to an MAC layer(S10). The transmitter transmits the MAC PDU(S20). The RLC PDU delivered from the radio link control layer is mapped in the MAC PDU of the transport channel. And the MAC PDU is transmitted to the receiver through the physical channel. The MAC layer of receiver receives the MAC PDU. The receiver sends the RLC PDU(SN=0) to a radio link control layer(S30). The MAC layer of receiver sends the received MAC PDU to the radio link control layer. The HARQ ACK signal is transmitted from the receiver(S40). The MAC layer of transmitter sends the local ACK to the radio link control layer(S50).
Patent KR-20090039125-A (KR)
Title: Oil coating apparatus
Inventor: JIN YONG HEE
IPC: B05C5/02
Filed: 2007-10-17
Abstract: An oil coating apparatus is provided to prevent the generation of a trimmer mark by a side trimer cutting an edge part of the strip in a cold rolling process of strip products such as coil and sheet. An oil coating apparatus(100) comprises an oil coating part(120) applying the oil to form an oil film in the cut region of processed products, cut by a trimmer; and an oil storage unit(130) storing the oil to supply the oil to the oil coating part. The oil coating part comprises a main body, an insertion part, and a coating member.
Patent KR-20090039181-A (KR)
Title: Energy recovery circuit and plasma display apparatus thereof
Inventor: CHOI JEONG PIL
IPC: H04N5/66
Filed: 2007-10-17
Abstract: An energy recovery circuit and a plasma display device using the same are provided to prevent the distortion of a driving signal waveform supplied to a panel by connecting a capacitor to an inductor of the energy recovery circuit. A plasma display device includes a plasma display panel and a driving unit for generating a driving signal to drive the plasma display panel. The driving unit includes a first capacitor, an inductor, a voltage source and a second capacitor. The first capacitor charges the voltage collected from the panel. The inductor forms a resonance circuit with the first capacitor. The voltage source supplies the voltage for generating the driving signal. A first capacitor is connected between a sustain voltage source and one end of the inductor which is not connected to the panel. A second capacitor is connected between one end of the inductor and a reference voltage source.
Patent KR-20090040695-A (KR)
Title: Touch screen
Inventor: HAN JAE HEUNG
IPC: G06F3/041
Filed: 2007-10-22
Abstract: A touch screen reducing the computational burden of a control unit is provided to maximize the effective area and minimize the distortion of electric field by newly composing a pattern structure. A main pattern(51) exists on a single layer. The main pattern is the pattern which is formed according to four edges while being comprised of the electric resistance chain of the linear type. The wire is combined in the blind angle four edges in order to supply the power to the main pattern. X coordinate direction and Y coordinate directions are comprised on one single board. A sub pattern(52) minimizes the linear error by the voltage gradient of the touch screen.
Patent KR-20090044084-A (KR)
Inventor: KIM HYUN DONG
IPC: C11D3/02
Filed: 2007-10-31
Abstract: 본 발명은 시트형 섬유유연제 및 이의 제조방법에 관한 것이다. 본 발명의 시트형 섬유유연제는, 부직포 및 상기 부직포에 함침된 유연제를 포함하여 이루어지는 것을 특징으로 한다.  
     본 발명의 시트형 섬유유연제는 섬유유연 성분을 부직포에 함침시켜 사용함으로써 섬유유연 성분의 사용량을 정확하게 제어할 수 있으므로 섬유유연 성분의 과사용을 방지할 수 있는 친환경 섬유유연제이다. 또한, 섬유유연 성분을 액상으로 사용하지 않고 부직포에 함침시켜 사용하므로, 취급 및 보관이 용이하고 무게가 가벼운 장점이 있다. 특히, 부직포의 섬도, 평량 및 부직포에 함침되는 유연 성분의 함량을 시트형 섬유유연제에 최적화하여 사용함으로써, 섬유유연 성분의 용해도 및 유연 성능을 더욱 향상시킬 수 있다.   
       
     시트형 섬유유연제, 부직포. 유연제
Patent KR-20090045642-A (KR)
Inventor: KIM JAE IL
IPC: G11C8/08
Filed: 2007-11-02
Abstract: 본 발명은 계층적 워드라인 구조를 사용한 반도체 메모리 장치에서 작은 면적을 차지하면서도 워드라인이 플로팅되는 것을 방지하여 안정적인 동작을 수행할 수 있는 반도체 메모리 장치를 제공한다. 이를 위해, 본 발명에 따른 반도체 메모리 장치 내 워드라인 제어회로는 데이터 액세스를 위해 문턱 바이어스 전압을 생성하기 위한 바이어스 생성부, 데이터 액세스 내 초기동작시 문턱 바이어스 전압을 증가시키기 위한 오버 구동부, 및 문턱 바이어스 전압과 오버 구동부의 출력에 대응하여 워드라인을 활성화하는 워드라인 구동부를 포함한다. 따라서, 본 발명은 워드라인 제어장치의 설계면적을 줄이면서 하위 워드라인이 플로팅 상태가 되는 것을 방지할 수 있는 전위를 상위 워드라인에 안정적으로 생성하고 공급할 수 있다. 
       
     바이어스 전압, 문턱 전압, 플로팅, 워드라인, 계층적 워드라인 구조
Patent KR-20090047262-A (KR)
Inventor: PARK KEUN YOUNG
IPC: H01L21/02
Filed: 2007-11-07
Abstract: 노즐에 잔류하는 약액을 제거하여, 작업의 정밀도를 높일 수 있는 약액 공급 장치가 제공된다. 약액 공급 장치는 약액을 저장하는 탱크와, 약액을 분사하는 노즐과, 약액을 탱크로부터 노즐로 공급하는 약액 공급관과, 노즐 또는 약액 공급관에 연결되며, 음압을 이용하여 잔류액을 흡입하는 잔류액 회수관을 포함한다. 
       
     약액 공급 장치, 잔류액 회수, 회수관
Patent KR-20090049156-A (KR)
Inventor: JANG JIN WON
IPC: G02F1/133
Filed: 2007-11-13
Abstract: 본 발명은 액정표시장치의 백라이트 유닛 및 이를 포함하는 액정표시장치에 관한 것이다. 본 발명의 백라이트 유닛은, 램프; 전류 밸런싱을 위하여 상기 램프에 연결되는 밸런싱용 패턴 커패시터; 상기 밸런싱용 패턴 커패시터를 매개로 상기 램프에 연결되는 트랜스포머; 비정상 구동 상태의 감지를 위하여 상기 밸런싱용 패턴 커패시터의 단자 중 상기 램프와 연결되는 단자에 연결되는 센싱용 패턴 커패시터; 및 상기 센싱용 패턴 커패시터에 연결되어 상기 램프의 비정상 구동 상태를 제어하는 피드백 회로부를 포함한다.  
     본 발명의 백라이트 유닛 및 액정표시장치에 따르면, 패턴 커패시터를 채용하여 밸런싱용 커패시터와 센싱용 커패시터를 구성함으로써, 제조 원가를 크게 절감할 수 있으며, 램프가 빠지거나 깨지는 등의 비정상 구동 상태에서 램프의 구동을 정지시키는 이른바 프로텍션(protection)을 걸어주는 회로를 용이하게 구현할 수 있다. 
       
     액정표시장치, 밸런싱용 커패시터, 센싱용 커패시터, 피드백 회로부
Patent KR-20090050380-A (KR)
Inventor: CHO SUNG HO
IPC: H04S3/02
Filed: 2007-11-15
Abstract: 오디오 재생 장치에서 이동 음상을 복원하는 오디오 매트릭스 디코딩 방법 및 장치가 개시되어 있다. 본 발명은 스테레오 신호로부터 멀티 채널의 신호로 디코딩하는 과정, 디코딩된 각 채널별 신호의 파워 벡터에 기반하여 각 채널 사이에 존재하는 가상 음원의 세기와 위치를 추출하는 과정, 추출된 이전 및 현재의 가상 음원의 세기와 위치를 비교하여 가상 음원의 위치 이동 및 세기를 예측하는 과정, 예측된 음상 위치에 근거하여 상기 멀티 채널 각각의 스피커 위치에 파워를 재분배하는 과정을 포함한다.
Patent KR-20080005469-A (KR)
Inventor: I GWANG SEOK
IPC: A23G3/52
Filed: 2007-11-20
Abstract: Candy containing a plurality of smoke bubbles inside is provided which satisfies a person who desires to smoke tobacco by giving smoke to a consumer without making a fire when the consumer sucks the candy in the mouth. Candy(1) contains a plurality of smoke bubble(2) inside the candy. The smoke bubbles provide smoke when broken in the mouth by the consumer.
Patent KR-20090052928-A (KR)
Title: 양식넙치의 멜라노코르틴 수용체 4 유전자
Inventor: SONG YOUNG HWAN
IPC: C12N15/12
Filed: 2007-11-22
Abstract: 본 발명은 양식넙치의 멜라노코르틴 (Melanocortin) 수용체 4 유전자에 관한 것으로, 이를 더욱 상세하게 설명하면, 멜라닌세포 자극 호르몬(MSH; Melanocyte -Stimulating Hormone)과 결합하여 먹이섭취 조절과 식욕저하를 일으켜 비만과 체중조절에 이용할 수 있는 멜라노코르틴 (Melanocortin) 수용체 4 (Melanocortin receptor 4; MC4R)의 특성을 지닌 유전자와 이들 특성의 유전자 활성을 위한 동물세포주의 발현벡터의 구성 방법에 관한 것이다.  
       
     멜라노코르틴, 비만, 멜라닌세포 자극 호르몬
Patent KR-20090054276-A (KR)
Inventor: NAM CHUL HYUN
IPC: F04B17/04
Filed: 2007-11-26
Abstract: 본 발명은 압축기용 모터 및 이를 적용한 왕복동식 압축기에서 알루미늄 코일을 적용하는 기술에 관한 것이다. 본 발명에 의한 압축기용 모터 및 이를 채용한 왕복동식 압축기는, 알루미늄 코일을 사용하고 메인슬롯부와 서브슬롯부의 단면적과 개수를 사용조건에 맞게 설계함에 따라 압축기용 모터 및 왕복동식 압축기의 재료비용을 크게 절감할 수 있다. 또, 코일의 엔드코일 높이 대비 고정자의 내경 비율을 적정하게 설계하여 알루미늄 코일을 사용함에 따른 댐핑력 악화와 이로 인한 저주파 대역에서의 소음증가를 방지하여 압축기용 모터 및 왕복동식 압축기의 효율 저감을 저감시킬 수 있다. 
       
     왕복동식 압축기, 압축기용 모터, 고정자, 압루미늄 코일, 엔드코일
Patent KR-20090054819-A (KR)
Title: Antenna protection device
Inventor: JUNG SUNG WON
IPC: H01Q1/24
Filed: 2007-11-27
Abstract: An antenna protection device is provided to secure a smooth operation of the antenna in regardless of external temperature by installing the antenna inside of a dome body. An antenna protection device is composed of a bottom(100), a dome body(102), a heating cable, a power supply unit, and a switch. The antenna(200) is arranged on a base plate, and the dome main body is extended from the base plate. The one side of the dome main body is opened, and the dome main body is formed as a hemi spherical roof or ceiling. The heating cable is installed along to the inside of the dome main body and base plate. The power supply unit supplies power to the heating cable, the switch turns on/off the supplied from the power supply unit.
Patent KR-20090056660-A (KR)
Title: System for removing partcle of wafer's back side and method for removing partcle of wafer's back side in stepper
Inventor: JI MOUNG SONG
IPC: H01L21/687
Filed: 2007-11-30
Abstract: A system for removing particle of a wafers back side and a method for removing particle are provided to remove a wafer step from a wafer holder by removing particle from OF(Orientation Flat) table. The lower part of a loader slide part(20) has an L shape mounted on a wafer, and the upper part of the loader slide is linked to the loader side unit(10) of a stepper. A load slide part at the load side of the stepper transfers the wafer to a wafer holder, and magnetic field generating unit(30) is formed at the rear side of the wafer and generates magnetic field. A support stand(40) supports the magnetic field generating unit, and it moves the magnetic field generating unit up and down.
Patent KR-20090056678-A (KR)
Title: Dmb handover method and system using zone-based channel quality information
Inventor: KIM SANG HUN
IPC: H04B7/26
Filed: 2007-11-30
Abstract: A DMB handover method using the channel quality information of each area and a system thereof are provided to enable a DMB viewer who is moving to a different broadcasting zone to continuously teleview. A search frequency selector(1170) determines the search order for a frequency to be handed over by using the current location of a digital broadcasting receiver and local channel quality information. A service continuity determiner(1140) verifies whether the frequency to be searched supports the service continuity of the current service channel by referring to the service relation information. A quality measuring unit(1191) measure the quality of a DMB(Digital Multimedia Broadcasting) signal to determines whether to start the handover.
Patent KR-20090057675-A (KR)
Title: Ball bush
Inventor: JUNG YOUNG SOCK
IPC: F16C31/04
Filed: 2007-12-03
Abstract: A ball bush to reduce friction resistance is provided to slide smoothly although the deformation is generated. A ball bush comprises: a cylindrical tube(20) in which a plurality of grooves(22) are formed; a shaft which rectilinearly moves inside the tube; a cylindrical retainer(11) being inserted into the tube while the shaft is inserted; a plurality of holes(12) formed on the outer circumference of the retainer; and a plurality of balls(13) accepted in the holes. A plurality of balls are rolling-contacted with the tube. The ball is 4 point-contacted inside the hole of the retainer and the groove. The half of the semicircular section of the hole and the groove has greater radius(D) of curvature than the radius of the ball.
Patent KR-20090058320-A (KR)
Title: Example-based communicating system for foreign conversation education and method therefor
Inventor: LEE GEUN BAE
IPC: G06Q50/20
Filed: 2007-12-04
Abstract: A sample based communicating system for foreign conversation education and a method therefor are provided to analyze unskilled speaking to selectively supply a conversation sample the most suitable for an intention of a learner. A conversation sample database(323) stores speaking/conversation state of a learner. An education sample database(324) stores education sample expression which is suitable for speaking intention of the learner. If the speaking of the learner is inputted, it is determined whether the speaking is suitable for the conversation state. A conversation server(310) selects/provides sample expression suitable for an intention of the speaking of the learner.