baber/WOPTO huggingface dataset:
Patent KR-20020054170-A (KR)
Title: Operation method of detecting device for liquid crystal substrates
Inventor: JUN WON BAE
IPC: G02F1/13
Filed: 2000-12-27
Abstract: PURPOSE: A method of operating a liquid crystal panel tester is provided to extend the life span of a gear and a gear motor used for auto-focusing a microscope in an array substrate test process. CONSTITUTION: A lift pin is elevated through a stage(S12), and a substrate is mounted on the lift pin projected to the surface of the stage(S13). The lift pin is descended under the stage(S16). The stage is moved to a test position(S18). The first alignment mark of the substrate mounted on the stage is detected(S20). A controller is converted into an auto-focusing mode to set an optimal focus with which a microscope inspects the substrate according to the driving power of a gear(S22). The substrate is aligned at an optimum position using the first alignment mark and the second alignment mark(S24). The substrate is inspected using the microscope(S26).
Patent KR-20020056473-A (KR)
Title: An oil surface following typed oil strainer
Inventor: KIM BYEONG NAM
IPC: F01M11/00
Filed: 2000-12-29
Abstract: PURPOSE: An oil strainer for following oil level is provided to introduce only oil into an oil tank without the introduction of air by moving an oil inlet port along the slant oil level. CONSTITUTION: In an oil strainer(2) for following oil level, the oil strainer(2) steeped in an oil pan is connected to an oil inlet port(2a) by a hinge shaft(5). The oil inlet port(2a) moves along the slant oil level according to the driving state of a vehicle, and has an oil bucket(6) for containing oil. And the oil inlet port(2a) has a trumpet-shape.
Patent KR-20020058508-A (KR)
Title: Method for fabricating metal damascene gate
Inventor: JANG SE EOK
IPC: H01L21/336
Filed: 2000-12-30
Abstract: PURPOSE: A method for forming a metal damascene gate is provided to prevent the damage of a dummy polysilicon by CMP(Chemical Mechanical Polishing) using a CeO slurry. CONSTITUTION: After forming a gate oxide(2) on a silicon substrate(1), a dummy polysilicon gate(3) is formed on the gate oxide(2). Source and drain regions(5) are formed in the silicon substrate. Spacers(4) are formed at both sidewalls of the dummy polysilicon gate(3). After depositing an interlayer dielectric(6) on the resultant structure, the surface of the dummy polysilicon gate(3) is exposed by CMP using CeO slurry having high polishing selectivity against the polysilicon. A silicon-contained oxide formed on the dummy polysilicon gate(3) is then removed by wet-etching.
Patent KR-20010021565-A (KR)
Title: 스펙트로스코픽 센서의 보정 방법
IPC: G01N21/03
Filed: 1998-07-07
Abstract: 본 발명은 스펙트로스코픽 센서의 보정을 위한 새로운 방법을 제시한다. 본 발명의 방법에서, 스펙트로스코픽 시스템이 제공된다. 시스템은 최소한 부분적으로라도 샘플 영역을 에워싸는 하나 이상의 벽을 갖춘 측정 셀을 포함한다. 셀은 광 입사 포트 및 광 출사 포트를 더 포함한다. 각 포트는 동일한 포트일 수도 있고 별개의 포트일 수도 있다. 각 포트는 광 빔이 측정 셀 내의 내부 광경로를 따라 통과하는 광투과성 창을 수용한다. 시스템은 광 입사 포트를 통하여 셀 내부로 들어오는 광 빔을 발생시키는 광원 및 광 출사 포트를 통하여 셀을 나가는 광 빔을 측정하는 검출기를 수용하는 광학 챔버를 더 포함한다. 광 빔은 광학 챔버 내의 외부 광경로를 따라 전파한다. 이에 부가하여, 가스 인렛이 광학 챔버에 연결된다. 보정 가스류가 광학 챔버에 투입된다. 보정 가스류는 보정 가스종과 반송 가스를 수용한다. 보정 가스종은 보정 가스류에 기지의 농도로 현재한다. 보정 가스류의 스펙트로스코피 측정이 수행된다. 본 방법은 반도체 공정 툴 내의 관신 분자의 검출에 유용한 인-라인 스펙트로스코픽 센서의 보정에 특히 적용될 수 있다.
Patent KR-20010021791-A (KR)
Title: Refrigerant compositions
Filed: 1998-07-15
Abstract: Refrigerant compositions are disclosed which comprise: (a) pentafluoroethane, octafluoropropane, trifluoromethoxydifluoromethane or hexafluoro-cyclopropane, or a mixture of two or more thereof, in an amount from 5 to 60 % based on the weight of the composition, (b) pentafluoroethane, 1,1,1,2- or 1,1,2,2-tetrafluoroethane, 1,1- difluoroethane, trifluoromethoxypentafluoroethane, 1,1,1,2,3,3,3- heptafluoropropane or 1,1,1,2,2,3,3-heptafluoropropane, or a mixture of two or more thereof, in an amount from 30 to 94 % by weight based on the weight of the composition and (c) an unsubstituted hydrocarbon of the formula CnHmin which n is at least 4 and m is at least 2n-2, other than methyl propane, in an amount from 1 to 10 % by weight based on the weight of the composition.
Patent KR-20010021988-A (KR)
IPC: G06K9/00
Filed: 1998-07-16
Abstract: The invention relates to a method for determining an identification code from fingerprint images, wherein at least two of the following independent characteristics line spacing L, gradients G, curvatures K and bifurcations B are detected on the image area and a frequency distribution H is determined. On the basis of said frequency distribution, the characteristic values (mean value, variance, maximum value and classification value) and the characteristic values (Ci) of the selected bifurcations are determined, which form the vectorial components of the identification code C. The inventive method can be used to establish a short identification code which is relatively easy to determine and displays high recognition reliability for various applications.
Patent KR-20010030597-A (KR)
Title: 보호층 시스템을 가지는 툴
Filed: 1997-09-12
Abstract: 툴 바디와 마모 저항 시스템을 가지는 툴이 제안된다. 이 레이저 시스템은 적어도 하나의 MeX층을 구비한다. Me는 티타늄 및 알루미늄을 함유하며, X는 니트로겐 또는 카본이다. 상기 툴은 고속도강(HSS) 또는 침탄 카바이드로된 툴 바디를 구비하지만, 고체 카바이드 엔드 밀  및 고체 카바이드 볼 노우즈 밀이아니다. MeX층에 있어서, θ-2θ를 이용하는 물질의 X회절방향에서 각기 (200) 및 (111)평면에 할당된 회절강도 I(200) 대 I(111)의 비율에 의해 형성된 지수Q I 가 ≥1로 설정된다. 또한 I(200)는 적어도 강도 평균 노이즈 값보다 공지의 장비 및 세팅값으로 측정할 때 20배 이상이다.
Patent KR-20010024272-A (KR)
IPC: H01L27/08
Filed: 1999-06-28
Abstract: 실리콘 온 절연체(SOI) 하이브리드 트랜지스터 장치 구조체는 기판, 상기 기판상에 매립된 절연층, 및 상기 매립된 절연층 상의 반도체 표면층 내에 형성된 하이브리드 트랜지스터 장치 구조체를 포함한다.   하이브리드 트랜지스터 장치 구조체는 바람직하게는 병렬로 전기 접속된 적어도 하나의 MOS 트랜지스터 구조체와 적어도 하나의 전도성 변조 트랜지스터 구조체를 포함한다.   바람직한 특정 구성에서, MOS 트랜지스터 구조체는 LDMOS 트랜지스터 구조체이며, 전도성 변조 트랜지스터 구조체는 LIGB 트랜지스터 구조체이며, 하이브리드 트랜지스터 장치는 폐쇄 구조로 형성된다.   이 폐쇄 구조는 거의 곡선형 부분과 거의 직선형 부분을 가지며, MOS 구조는 곡선형 부분 내에 형성되며, 전도성 변조 트랜지스터 구조체는 직선형 부분 내에 형성된다.  본 발명에 따른 하이브리드 트랜지스터 장치 구조체는 높은 전류 및 높은 전압 회로 애플리케이션, 특히 소스 팔로워 회로 애플리케이션에서 우수한 동작 특성을 보이고 있다.
Patent KR-20010031346-A (KR)
Title: 망형상 표피를 갖는 쿠션부재 및 시트
IPC: A47C31/02
Filed: 1998-10-21
Abstract: 시트 혹은 침대의 일부를, 프레임(8, 14)과, 이 프레임(8, 14)에 확장 설치한 망 형상 표피(10, 16)로 구성하였다. 또, 망 형상 표피(10, 16)를 상기 망사층(24)과 하부 망사층(26)과 상부 및 하부 망사층(24, 26)을 결합하는 다수의 파일(28)로 이루어진 파일층으로 구성하고 각 파일(28)을 1개의 실로 형성하였다.
Patent KR-20010033653-A (KR)
Title: 대화형 서비스를 제공하는 방송 네트워크
IPC: H04H20/76
Filed: 1999-10-05
Abstract: 대화형 방송 시스템에 있어서, 서비스 제공자(30)에 의해 전송된 신호는 게이트웨이(12)를 지나 가입자 단말기(2)로 간다. 서비스로의 액세스를 얻기 위해, 가입자 단말기(2)은 인증 요구 메시지를 게이트웨이(12)를 통해 RADIUS 서버(18)에 전송한다. 이러한 RADIUS 서버(18)는 인증 요구 메시지에 응답하여 인증 챌린지 메시지를 가입자 단말기(2)에 전송한다. 회답하여 가입자 단말기는 챌린지 응답을 갖는 챌린지 메시지에 응답한다. 이러한 챌린지 응답은 RADIUS 서버(18)에 의해 체크되고, 정확하다면, RADIUS 서버(18)는 메시지를 게이트웨이에  전송하여 가입자 단말기가 서비스 액세스할 수 있게 한다.
Patent KR-20010041972-A (KR)
Title: 인덕턴스 장치
IPC: H01L27/04
Filed: 1999-03-23
Abstract: 본 발명은 제1 및 제2단자(20, 30)와 두 개의 도체(40, 50)를 포함하는 인덕턴스 수단(10)에 관한 것이다. 각 도체는, 제1단자에 공급되는 전류(i 1 )가 상기 도체(40, 50) 사이로 분리되도록 상기 단자(20, 30) 사이에 루프를 형성한다. 전류 각각(i 2 , i 3 )은 자기장(240, 250)을 발생시킨다. 상기 도체는, 도체 사이의 공간에서 도체 전류(i 2 , i 3 )에 의해 발생된 결합 자기장이 상기 공간에서의 도체 각각에 의해 발생된 자기장보다 크도록 배치된다.
Patent KR-20010034666-A (KR)
Title: 수신 신호의 신호 강도를 추정하는 방법 및 시스템
IPC: H04B7/005
Filed: 1999-03-23
Abstract: 본 발명의 통신 시스템에서 수신된 신호의 신호 강도는 수신 신호를 원하는 신호를 다시 생성하는 신호 처리기(52)에 인가함으로써 추정된다.  에너지 계산기(54)는 원하는 신호의 에너지를 계산하는 반면, 에너지 계산기(56)은 수신 신호의 에너지를 계산한다.  계산된 두 에너지는 신호 강도를 추정하는 신호 강도 계산기(58)에 인가된다.  측정된 신호 강도는 잡음의 에너지와 원하는 신호의 에너지를 분할하여 계산될 수 있다: (a) 실제 신호 강도의 최대 유사 추정으로서 ;(b) 원하는 신호의 에너지의 기대값을 기초로; 또는 (c) 원하는 신호의 에너지의 기대값을 기초로 소정의 바이어스를 계산한다.
Patent KR-20010043559-A (KR)
Title: 처리장치, 처리방법 및 토양의 처리방법
IPC: B01J3/02
Filed: 1999-05-13
Abstract: 본  발명의  처리장치는,  제2기밀실103  내에서  감압  상태로  가열되고  있는  처리 대상물체에서의  증발물을  포함하는  가스상태  배출물을,  제2기밀실  내의  조건을  유지하면서  외부로  꺼내기  위한  인터페이스로서  기밀문115b과  레토르트115c를  구비한다.  레토르트115c는  제2기밀실의  제1개구부103b에  삽입될  때  열린  상태의  기밀문115b을  제2기밀실103로부터  차폐되어  기밀문에  가스상태  배출물이  응축되는  것이  방지된다.  따라서  처리장치를  정지하지  않고  기밀실  내의  온도,  압력  등의  조건을  유지하면서  응축물을  외부로  꺼낼  수  있다.  이와  같은  처리장치의  연속적으로  운전에  의하여  처리의  생산성이  크게  향상된다.
Patent KR-20010043767-A (KR)
IPC: C07D233/72
Filed: 1999-05-19
Abstract: <CHEM>      Hydroxamic acid derivatives represented by general formula (I) or pharmacologically acceptable salts thereof; medicinal compositions containing the same and medicinal utilization thereof wherein each symbol has the meaning as defined in the specification. Because of having TNF- alpha  production inhibitory effect, these derivatives or pharmacologically acceptable salts thereof are useful in preventing/treating autoimmune diseases and inflammatory diseases, for example, sepsis, MOF, rheumatoid arthritis, Crohn's disease, cachexia, myasthenia gravis, systemic lupus erythematosus, asthma, I type diabetes and psoriasis.
Patent KR-20020060507-A (KR)
Title: Method for preparing acryle rubber latex having bimodal particle distribution
Inventor: HAN JANG SEON
IPC: C08L27/06
Filed: 2001-01-11
Abstract: PURPOSE: Provided is a process for producing an acryl rubber latex, especially an acryl-based impact reinforcing agent, having a bi-modal particle distribution by a multi-step emulsion polymerization, the acryl rubber latex is excellent in impact resistance and weather resistance. CONSTITUTION: The process for producing the acryl rubber latex contains the steps of: preparing seed rubber latex having a particle diameter of 500-2000 angstrom by seed-reacting the monomers containing 90-99.92pts.wt. of alkyl acrylate, 0.03-5.0pts.wt. of C1-C9 saturated or unsaturated organic acids, and 0.05-5.0pts.wt. of acryl multi-unsaturated monomers or the pre-emulsion thereof; preparing bi-modal rubber latex, having small particles with a diameter of 600-2500 angstrom and large particles with a diameter of 1500-3500 angstrom, by adding the monomers containing 95-99.95pts.wt. of the alkyl acrylate and 0.05-5.0pts.wt. of the acryl multi-unsaturated monomers or the pre-emulsion thereof to the seed rubber latex and core-reacting; preparing the rubber latex having small particles with a diameter of 1000-3500 angstrom and large particles with a diameter of 2000-4000 angstrom by adding the pre-emulsion of the monomers containing 80-100pts.wt. of methyl methacrylate, less than 10pts.wt. of ethyl acrylate, and less than 10pts.wt. of acrylonitrile to the bi-modal rubber latex and graft-polymerizing.
Patent KR-20010076349-A (KR)
Title: Semiconductor device and process for producing the same
Inventor: FURUSAWA TAKESHI
IPC: H01L21/768
Filed: 2001-01-18
Abstract: PURPOSE: To provide an organic siloxane insulating film of low permittivity and high etching selective ratio against resist where no peeling problem occurs even with no silicon oxide protective film. CONSTITUTION: An organic siloxane interlayer insulating film of a film-thickness reduction ratio being 14% or less when oxygen plasma process is applied is used which comprises oxygen being 1.5 times or more of the number of silicon atoms and carbon being 1-2 times of silicon atoms.
Patent KR-20010091882-A (KR)
Title: Solid-state image pickup apparatus and manufacturing method thereof
Inventor: NAKAMURA MASAO
IPC: H04N5/335
Filed: 2001-01-20
Abstract: PURPOSE: To provide a solid state image pickup device and its manufacturing method, which can reduce the man-hours of a bonding process, can improve bonding quality and facilitate integration of the device in a peripheral apparatus. CONSTITUTION: A transparent board 10 has protruding electrode connection electrode terminals 11 and so on and an electrode terminal group 12. A solid-state image pickup device 20 which has respective 1st protruding electrodes 21 and so on, which correspond to the protruding electrode connection electrode terminals 11 and so on and are formed on respective signal input/output terminals 22, is mounted on the transparent board 10 in a facedown manner. The protruding electrode connection electrode terminals 11 and so on and the respective 1st protruding electrodes 21 are connected to each other by ultrasonic bonding. Respective 2nd protruding electrodes 14 and so on are formed on respective electrode terminals 13 of the transparent board 10. The transparent board 10 has a frame aperture 31 with a size of the solid-state image pickup device 20. Furthermore, a printed board 30 with non pin-shaped lead terminals is connected electrically to the respective 2nd protruding electrodes 14 and so on and fixed to the transparent board 10 with thermosetting resin 40 so as to seal the solid- state image pickup device 20 airtight.
Patent KR-20020064044-A (KR)
Title: Control device of auto-voltage regulator
Inventor: KIM JANG MOK
IPC: H02P9/04
Filed: 2001-01-31
Abstract: PURPOSE: A control unit of an automatic voltage control system for synchronous generator is provided to enhance voltage stability by maintaining accurately voltage of the synchronous generator. CONSTITUTION: An oscillation portion(1) generates frequencies according to a fast/slow mode of a synchronous generator. A demultiplier(2) demultiplies an output signal of the oscillation portion(1) and provides a clock pulse and a count pulse to a logic network(3). The logic network(3) receives the clock pulse and the count pulse from the demultiplier(2) and generates an up/down signal or a count signal. A binary counter(4) performs a counting operation according to the up/down signal and outputs a counted result to a D/A converter portion(6). An initialization portion(5) performs an initializing process when power is applied to an analog memory control module. The D/A converter portion(6) converts an output of the binary counter(4) to an analog signal.
Patent KR-20010083163-A (KR)
Title: Method for forming dual-layer low dielectric barrier for interconnects and device formed
Inventor: CARDONE FRANK
IPC: C22F1/10
Filed: 2001-02-07
Abstract: PURPOSE: The method for forming layer low dielectric barrier of double layers for mutual connection is provided to reduce a thickness of SiN cap and improve an adhesion for copper. CONSTITUTION: The method includes the steps of preparing a substrate having a copper conductor, putting a metal alloy film including phosphor or boron as a protective layer, on the copper conductor, carrying out the first annealing process to diffuse a metal alloy including phosphor or boron into 2-4 atom layers at least, on the top of the copper conductor, then putting a dielectric film with low dielectric constant on the metal alloy film including phosphor or boron, and carrying out the second annealing process. The obtained structure has a double layer barrier which includes the metal alloy film including phosphor or boron on the copper conductor and the dielectric material film on the metal alloy film, and shows superior barrier and adhesive characteristics for the copper conductor.
Patent KR-20020065811-A (KR)
Title: Printed slot microstrip antenna with EM coupling feed system
Inventor: YUN HYUN BO
IPC: H01Q13/08
Filed: 2001-02-07
Abstract: PURPOSE: An electromagnetic coupling printed slot micro-strip antenna is provided to obtain broader band high gain characteristic with a small plane structure and accomplish mass production. CONSTITUTION: An electromagnetic coupling printed slot micro-strip antenna comprises a radiating element(21), a feeding line(24) and a ground plane(22). The radiating element(21) is a rectangular metal sheet having a meander line slot for transmitting/receiving a signal. The feeding line(24) is arranged under the radiating element(21) and crossed perpendicularly with the starting point of the radiating element(21) for feeding an electrical signal. The ground plane(22) is formed on the other area than the slot of the radiating element(21). By varying the width and the length of the slot, operating frequency band is readily adjusted with the antenna. By changing the position of the feeding line(24), characteristics such as standing wave ratio, radiating pattern and gain of the antenna are improved.
Patent KR-20020066498-A (KR)
Title: Apparatus and method for coding moving picture
Inventor: LEE CHANG HO
IPC: H04N19/463
Filed: 2001-02-12
Abstract: PURPOSE: A device for coding a motion picture is provided to perform a coding process in a screen by using a wavelet transform method, and to perform a coding process between screens for motion blocks which cannot be presented by a motion vector in the same method as the coding process in the screen, thereby implementing an excellent compression rate. CONSTITUTION: A coder in a screen(400) quantizes a transform coefficient obtained by wavelet-transforming a motion picture compression-targeted signal, and entropy-codes the quantized coefficient to output the entropy-coded coefficient. A coder between screens inputs the motion picture compression-targeted signal, and obtains a pixel block difference between a present frame and a previous frame, then decides whether a motion is generated. The coder between the screens outputs a decided result by arithmetically calculating the result as motion map information, and decides whether to divide a block having a motion into a motion vector. The coder between the screens outputs a decided result by arithmetically calculating the result as texture map information, and codes the block in the same method as the coder in the screen, when the block is not divided into the motion vector, then outputs the coded block.
Patent KR-20010067614-A (KR)
Title: paperless brailler
Inventor: BAEK SANG KI
IPC: G09B21/02
Filed: 2001-02-21
Abstract: PURPOSE: Provided is a paperless braille display for a visually handicapped person by a slider cell which writes character and image information in a collection type of the slider cell on a slider cell guide so that it helps the visually handicapped person to recognize the assembly of the slider cell by touch. CONSTITUTION: The paperless braille display for the visually handicapped person by a slider cell(9) is run by the next steps of: (i) inputting character and image information in an exclusive treater which operates an actuator attached in a fixed plate for the actuator; (ii) supporting a connection cable(9) and a connection wire(10) by a cable spring(11) and a cable support part(12) when the actuator is operated to make the slider cell get the slider cell guide(13) and a relative variance; and (iii) using touch of the visually handicapped person to recognize the slider cell with the slider cell guide and the relative variance to recognize character and image information.
Patent KR-20010085731-A (KR)
Title: Instrumentation for the production of fixing surfaces for a knee joint endoprosthesis
Inventor: MUELLER PETER
IPC: A61B17/56
Filed: 2001-02-28
Abstract: PURPOSE: An instrumentation for the production of a fixing surfaces for a knee joint endoprosthesis is provided to ensure a simple, rapid and accurate way of preparing the fixing surfaces needed for implantation of he tibial part and in particular the femoral part of a prosthesis. CONSTITUTION: In the instrumentation for the production of fixing surfaces for fixing a knee joint endoprosthesis to the femoral condyle that is adjacent to the knee, and to the tibial head, provision is made for a rotary milling head(2), which is fixable in relation to the longitudinal axis of the femur and tibia, respectively, by a fastening device and which, in relation to this longitudinal axis, is angularly adjustable in a stable stop position by being pivoted, defining milling planes, and which is displaceable in the set milling plane, covering same and working as a face milling cutter or as a cylindrical milling cutter.
Patent KR-20010087320-A (KR)
Title: Rotary actuator with cushion mechanism
Inventor: HIRANO AKIHIRO
IPC: F15B15/22
Filed: 2001-03-03
Abstract: PURPOSE: To provide a pneumatic rotary actuator provided with a low-cost cushioning mechanism achieving compactness and simple structure. CONSTITUTION: Gas discharge ports 79, 80 to discharge cushioning air are provided to be closer to a stroke end than openings 67, 68 of ports 63, 64 in a cylinder tube 60, check valves 81, 85 and speed regulating means 65, 66 are provided in parallel between the gas discharge ports 79, 80 and the ports 63, 64, and piston packings 75, 76 are provided on an outer circumferential surface of a piston 61a at a position where the openings 67, 68 of the ports 63, 64 are not exceeded when the piston 61a reaches a stroke end, and at a position where the openings 67, 68 are exceeded, but not the gas discharge ports 79, 80.
Patent KR-20020072153-A (KR)
Title: Microwave oven and control method thereof
Inventor: LEE SEONG HO
IPC: F24C7/08
Filed: 2001-03-09
Abstract: PURPOSE: A microwave oven and control method are provided to allow a high-voltage transformer to be scaled down in size and weight by improving the cooling efficiency of the high-voltage transformer. CONSTITUTION: A microwave oven is composed of a high-voltage transformer(2) for driving the microwave oven, a temperature sensor(4) for sensing the temperature of the high-voltage transformer(2), a cooling fan(6) for cooling the high-voltage transformer(2), and a control unit(8). The control unit(8) increases the rotational speed of the cooling fan(6) according to the temperature of the high-voltage transformer(2).
Patent KR-20020076471-A (KR)
Title: A apparatus and method for transforming acceleration
Inventor: LEE CHEOL U
IPC: H02K57/00
Filed: 2001-03-28
Abstract: PURPOSE: An acceleration transducer apparatus and method is provided to prevent waste of energy in moving an object by generating acceleration in the selected direction by using an electricity or machine. CONSTITUTION: An acceleration transducer apparatus comprises a propeller fixing plate(25) having a rotating shaft(28) arranged at the center of the propeller fixing plate; two or more propellers(24) disposed at circumferences having the same distance from the center of the propeller fixing plate; two or more weight supports(22) coupled to the center of the propeller fixing plate, in such a manner that weight supports are capable of performing pendulum motion between the rotating shaft and the propeller fixing plate; weights(21,21') arranged at ends of the weight supports, in such a manner that weights correspond to the propellers; and a connection unit for connecting weight supports, in such a manner that weight supports symmetrically move with respect to the rotating shaft. The connection unit includes a hub(29) which is movable up and down along the rotating shaft; and a push rod(27) for connecting the hub and the weight supports.
Patent KR-20020076883-A (KR)
Title: Audio and Video Infomation Service Method in Internet
Inventor: AHN HEUI TAY
IPC: G06F17/00
Filed: 2001-03-31
Abstract: PURPOSE: A method for supplying audiovisual information on the Internet is provided to secure many audiovisual information providers by compensating a user for a supply of audiovisual information promptly. CONSTITUTION: In a method for supplying audiovisual information on the Internet, a camera receives an image signal. A mike receives a voice signal. Sight and hearing information comprises the signal inputted by the camera and the mike. A computer digitizes the audiovisual information and transmits the information. An information producer manages devices, which produce the audiovisual information. An information user uses the audiovisual information. The information user receives the audiovisual information and stores or outputs the information through a computer. An information provider relays the information user and the information producer. A database stores information with respect to the information producer and the information user managed by the information provider. A computer manages the database and is connected to a network. The network connects the above computers thereto. An information user account is provided for extracting a rental fee of the audiovisual information. An information producer account is provided for transferring the rental fee of the audiovisual information.