baber/WOPTO huggingface dataset:
Patent KR-19990023436-A (KR)
IPC: C07F7/08
Filed: 1998-08-07
Abstract: Two-stage preparation of highly pure organosilicon disulfans of formula Z-Alk-S2-Alk-Z (I) comprises (1) dissolving or suspending sulfur (S) and an anhydrous sulfide of formula Me2S (II) in 1:(0.2-0.9) molar ratio and treating the solution or suspension with an organosilicon compound of formula Z-Alk-Hal (III), with a molar ratio of (III) to sulfur of (1.2-2):1; and (2) adding more (II) after reaction, in an amount approximately equimolar to the total amounts of (II) and S used for reaction, and isolating (I); in which Z = -Si(R<1>)2R<2>, -Si(R<1>)(R<2>)2 or -Si(R<2>)3; R<1> = 1-5C alkyl, 5-8C cycloalkyl, benzyl or a phenyl group optionally substituted by methyl (Me), ethyl (Et) or chlorine (Cl); R<2> = 1-5C alkoxy, 5-8C cycloalkoxy, phenoxy or benzyloxy; Alk = a 1-10C divalent, saturated linear or branched hydrocarbon group or -CH2-Phe-CH2-; Phe = phenylene; Me = ammonium, an alkali metal or one equivalent of an alkaline earth metal or zinc; Hal = Cl or bromine (Br).
Patent KR-20000013546-A (KR)
Title: Eccentric sea chart type finest fiber having excellent bulk
Inventor: CHO SUNG HO
IPC: D01F8/14
Filed: 1998-08-10
Abstract: PURPOSE: A raw fiber confirmed to the production of an artificial leather having the excellent bulk, the elastic repulsive property, and the softness, especially the production of an unwoven-typed artificial leather is provided. CONSTITUTION: The eccentric sea chart typed finest fiber is given a self winding manifested characteristic not to pass a separate winding process after spinning-drawing the fiber because many chart components are arranged to lean from the center of a fiber section on a cross section of each fiber formed a stripe, and the characteristic of the winding manifests the three-dimensional and amorphous natural winding.
Patent KR-19990023572-A (KR)
Title: 세라믹제 플래쉬 ｔｖ 증착기
IPC: H01J9/22
Filed: 1998-08-13
Abstract: 본 발명은 플래쉬 TV 증착기를 통해 전류가 흐를 때 알루미늄을 증발시키는 캐비티(cavity)를 구비한 음극선관의 알루미늄 증착 코팅용 플래쉬 TV 증착기에 관한 것으로, 그 캐비티는 증착기의 상부에지에서 증착기의 하부에지로 갈수록 그 폭이 점점 감소됨을 특징으로 한다.
Patent KR-20000014690-A (KR)
Title: Method for manufacturing a lcd
Inventor: LEE KYONG HA
IPC: G02F1/136
Filed: 1998-08-24
Abstract: PURPOSE: A method for manufacturing a LCD is provided, which can form a cell array and circumference circuit on an identical substrate using a poly silicon-TFT CONSTITUTION: The method for manufacturing a LCD comprises the steps of: forming a first gate (12) on an insulating substrate (10); forming a first insulating film (13) at a front surface of the insulating substrate (10); forming a first active layer (15a) on the first insulating substrate (10) and forming second and third active layers (15b, 15c) on the first insulating substrate (10) of a circumference circuit region; forming an etch stopper (16a) on the first active layer (15a) and forming second and third gates (17b, 17c); injecting an N+ impurity ion into second and third active layers (15b, 15c); injecting a P+ impurity ion into the third active layers (15c); forming a second insulating film (19) on the front surface of the insulating substrate (10); forming a contact hole for exposing both sides of second and third active layers (15b, 15c); forming an N channel and P channel TFT; forming a third insulating film (21) on the insulating substrate (10); forming a contact hole for exposing a source of a cell array region; and forming a pixel electrode (22) to be contacted to the source. Thereby, it is possible to decrease the manufacturing cost.
Patent KR-20000015436-A (KR)
Title: Device for automatically suppling power supply voltage
Inventor: PARK HOON-CHEOL
IPC: H02J3/06
Filed: 1998-08-29
Abstract: PURPOSE: A device for automatically supplying a power supply voltage is provided to supply constantly a power supply voltage by operating an electric generator when power is cut. CONSTITUTION: The device for automatically supplying power supply voltage includes an independent power generating unit(172) and a voltage control unit. The independent power generating unit generates an electric power for supplying an emergent power supply voltage when power is cut. The voltage control unit includes an electric controller(211), an independent power generation controller, a branch portion(212), an automatic switching portion(214) and a power generation controller(213). The electric controller detects a power cut-off by detecting a voltage output from a potential transformer. The independent power generation controller controls the operation of the independent power generating unit by the electric controller. The branch portion is controlled by the electric controller, controls a voltage output to each load when an over load is generated by detecting a voltage provided from the potential transformer when normal operation, controls a voltage output to each load when an over load is generated by detecting a voltage provided from the independent power generating unit when power is cut, The automatic switching unit is controlled by the electric controller, switches the voltage output through the potential transformer and the branch portion to each load when normal operation, and switches the emergent voltage output from the independent power generating unit to each load when power is cut. The power generation controller automatically and periodically detects and controls the power supply voltage when normal operation.
Patent KR-20000020254-A (KR)
Title: Method for testing operation administration and maintenance cell in atm local switch
Inventor: KWON SUNG WOO
IPC: H04L12/26
Filed: 1998-09-18
Abstract: PURPOSE: An OAM(Operation Administration and Maintenance Cell) test in an ATM(Asynchronous Transfer Mode) layer is provided to understand a cell location in which an error has occurred, and to observe, detect the cell having the error, and to observe the efficiency of the cell. CONSTITUTION: An OAM(Operation Administration and Maintenance Cell) test in an ALS(ATM(Asynchronous transfer Mode) Local Switch) comprises the steps of: generating an OAM cell, by analyzing an OAM cell processing request of an operation terminal in a cell path test device; confirming whether malfunction is generated, by checking an EDC(Error Detect Code) bit after receiving the OAM cell from the ALS; performing an OAM cell processing function, by analyzing the corresponding cell when the malfunction for the OAM cell is not generated; informing to the operation terminal by transmitting the result to the cell path test device.
Patent KR-20000026889-A (KR)
Title: Apparatus for controlling brightness of scanning lamp and method thereof
Inventor: KIM JANG KON
IPC: G03G15/00
Filed: 1998-10-23
Abstract: PURPOSE: A method and apparatus for controlling brightness of scanning lamp is provided to stably perform a scanning by comparing an oscillating voltage with a predetermined voltage and varying a current amount corresponding to an error amount. CONSTITUTION: A switching unit(202) switches a DC voltage for controlling a preheating state of a lamp(201). An oscillating circuit(203) oscillates the DC voltage switched in the switching unit(202) as a high frequency. A comparing unit(204) compares a voltage oscillated by the oscillating circuit(203) with a predetermined reference voltage. A current control unit(206) controls a current amount of a boosting circuit(205) according to a compared result of the comparing unit(204). The boosting circuit(205) converts the DC voltage oscillated by the oscillating circuit(203) into an AC current required in the lamp(201) and boosts the AC current as a certain level. A current limiting unit(207) limits a current amount of the AC current boosted by the boosting circuit(205). A power switching unit(208) switches that a boosting voltage generated in the boosting circuit(205) is provided to the lamp(201). The lamp(201) receives an AC voltage having a current amount limited by the current limiting unit(207) and generates a light.
Patent KR-20000027538-A (KR)
Title: Method of forming metal line of semiconductor device
Inventor: YANG GI HONG
IPC: H01L21/28
Filed: 1998-10-28
Abstract: PURPOSE: A method of forming a metal line of a semiconductor device is provided to improve reliability of the device by forming a metal layer after forming a poly plug by burying a polysilicon layer highly doped with boron or phosphorus in a contact hole. CONSTITUTION: A method of forming a metal line comprises the steps of: forming an interlayer dielectric(12) on a semiconductor substrate(11) having an N-type junction, P-type junction and a gate by a predetermined process; forming a first contact hole for exposing the N-type junction by etching a selected region of the interlayer dielectric; forming a first polysilicon layer(14) on the entire surface to bury the first contact hole; forming a second contact hole for exposing the P-type junction by etching a selected region of the first polysilicon layer and the interlayer dielectric; forming a second polysilicon layer on the entire surface including the second contact hole; forming a poly plug in the first and second contact holes by etching the entire surface of the first and second polysilicon layers; and forming a metal layer on the entire surface.
Patent KR-20000028490-A (KR)
Title: Method for controlling generation of pg pulse in vcr servo system
Inventor: YOON HUI SEONG
IPC: G11B19/02
Filed: 1998-10-31
Abstract: PURPOSE: A method for controlling generation of PG pulse in VCR servo system is provided to simplify a set component and decrease a manufacturing cost by generating a pseudo PG pulse without a PG detecting sensor and a driving circuit. CONSTITUTION: A method for controlling generation of PG pulse in VCR servo system is checks as to whether a system microprocessor is a driving mode, and a signal of an abnormal hole sensor is detected(S101,S102). The detected value is read when the signal of the abnormal hole sensor is detected, and the process is returned when the signal of the abnormal hole sensor is not detected(S103,S104). The current detected value is compared with a reference value previously stored in a memory, and a PG pseudo pulse is generated when the current detected value is greater than the reference value(S105,S106). The process is returned when the current detected value is less than the reference value.
Patent KR-20000031260-A (KR)
Title: Crystallized glass substrate for magnetic disk and manufacturing method thereof
Inventor: LEE WON HYOK
IPC: G11B5/706
Filed: 1998-11-04
Abstract: PURPOSE: A crystallized glass substrate for magnetic disk and manufacturing method thereof can be used as the material of a substrate for high density recording, and shows good harmony with the clamp for installing to the magnetic disk drive. CONSTITUTION: A crystallized glass substrate for magnetic disk that the surface illumination of an optical disk substrate by the precis ion grinding processing is controlled in the range of less than 5 angstrom by adding K2O to LiO2-Al2O3-SiO2 glass composition and suppressing the growth of crystallization in the average particle diameter on separation crystallization of less than 0.5 micrometer by the complex effects of Al2O3 and K2O components during the crystallization is provided. The crystallized glass substrate for magnetic disk can be used as the material of a substrate for high density recording, and shows good harmony with the clamp for installing to the magnetic disk drive by having a high coefficient of thermal expansion of crystallized glass.
Patent KR-20000031972-A (KR)
Title: Epoxy resin composition for sealing semiconductor element
Inventor: HAN JONG HEE
IPC: C08L63/00
Filed: 1998-11-11
Abstract: PURPOSE: An epoxy resin composition for sealing semiconductor which improves letter visibility during laser-marking on the semiconductor element is provided by adding a nigrosine based dye to it. CONSTITUTION: The composition comprises more than one epoxy resin 5-20 wt% selected from OCN(Ortho Cresol Novolac), DCPD(Dicyclopentadien) or Bi-ph(Bi-phenyl): hardening agent 3-8 wt% from PN(Phenol Novolac); hardening accelerator less than 1.0 wt%; silica surface treating agent 0.1-1.0wt%; inorganic agent 70-90 wt%; bromine based organic fire retardant 0.1-3.0 wt%; inorganic fire retardant less than 4.0 wt%; coloring agent less than 1.0 wt% and releasing agent 0.1-1.0wt% from natural or synthetic material. Visuality is improved by adding nigrosine based dye 0.1-5.0 wt% composition. The composition is produced by melting and mixing at 100°C for 7 minutes and cooling and pulverizing it after producing in the form of powder by mixing it homogeneously.
Patent KR-20000033654-A (KR)
Title: Method for controlling water supply process of washing machine
Inventor: PARK HYE YONG
IPC: D06F33/02
Filed: 1998-11-25
Abstract: PURPOSE: A method for controlling a water supply process is provided to improve the melting efficiency of a detergent by yielding an expected time of water supply until an established water level and by variably controlling an agitating time of a rotating wing according the yielded value. CONSTITUTION: A user inputs the washing and a detergent and inputs a washing command. A water is supplied by detecting the amount of the washing and establishing a water level. A time 't1' spent to arrive from a first standard water level to a second standard water level by starting the water supply is detected. When the established water level- one level is arrived by detecting a present water level, an expected time 't2' spent to arrive until the established water level is yielded. A rotating wing is agitated for the yielded expected time 't2', and the water is supplied until the established water level. The first and the second standard water levels are lower water level than the real water level, and the second standard water level is higher water level than the first water level.
Patent KR-20000037693-A (KR)
Title: Integrated radio frequency circuit for improving linear characteristics of small signal using balun of active element
Inventor: KIM CHOONG HWAN
IPC: H03F1/32
Filed: 1998-12-01
Abstract: PURPOSE: An integrated radio frequency circuit for improving linear characteristics of a small signal using a balun of an active element is provided to improve the performance of an active element, by increasing the linear characteristics of the integrated circuit which operates in response to the small signal and medium power signal, while maintaining a small size, low power consumption and high efficiency of a terminal, using the difference between nonlinear characteristics and a gain according to a gate voltage of a FET transistor. CONSTITUTION: A signal amplifier(10) is driven by external gate voltages(VGG1,VGG2), and performs a cascade amplification at a normal operation point which is determined so as to make the third-order distortion signal intensive. A distortion signal generator(20) is driven by an external gate voltages(VGG3), and generates the third-order distortion signal, based on the nonlinear characteristics of the active element, in order to decrease the amplified the third-order distortion signal from the signal amplifier(10). An insulation part(30) is adapted for an insulation with the external gate voltages(VGG3) applied to the distortion signal generator(20).
Patent KR-20000037704-A (KR)
Title: Apparatus for inspecting other material on surface of printed matter using mask calculation and method thereof
Inventor: KIM HYON JIN
IPC: G06K9/74
Filed: 1998-12-01
Abstract: PURPOSE: An apparatus for inspecting other material on the surface of printed matter using a mask calculation and the method thereof are provided to check the state of cleanliness on the surface of printed matter visually by detecting other material existing on printed matter printed linearly using a mask calculation. CONSTITUTION: An image input unit(10) acquires the image of printed matter(1) to be inspected. A reference point detection and location compensation unit(110) carries out the location compensation after detecting a reference point for the image of the printed matter. An image noise removing unit(120) removes the noise of low frequency for the location-compensated printed matter image. A bit unit OR calculation unit(130) removes printed entities from the printed matter image. A binarization unit(140) separates other material from the background. A connected element extraction and characteristic value estimation unit(150) extracts domains having an illumination of '0' by a connected element and estimates the characteristic value of the connected element.
Patent KR-19990062855-A (KR)
Title: 정보기록장치
IPC: G11B7/126
Filed: 1998-12-07
Abstract: 기록매체에 에너지를 주입하여 미기록부와는 물리적성질이 다른 마크를 형성하는 것에 의해 정보를 기록하는 정보기록장치에 관한 것으로서, 기록에너지발생원의 구동을 용이하게 하고 기록매체에 충분한 냉각시간을 확보하기 위해, 정보기록시에 단위시간당 주입에너지의 임의의 2변화점의 간격이 검출창폭이상 또는 검출창폭의 대략 자연수배로 되도록 마크길이에 따라서 마크형성기간내의 주입에너지 펄스수를 변화시키는 에너지발생수단의 구동수단을 마련하였다. 
     이와 같이 하는 것에 의해, 기록/재생동작의 고속화 및 고신뢰화가 도모되며, 고성능, 소형, 대용량의 정보기록장치를 저렴하게 제공할 수 있다는 효과가 얻어진다.
Patent KR-20000038676-A (KR)
Title: Video conference system using cable network
Inventor: JOO YOUNG BAE
IPC: H04N7/15
Filed: 1998-12-08
Abstract: PURPOSE: A video conference system using cable network is provided to allocate each node for upward transmission to each terminal and to use a television transmission method for downward transmission. CONSTITUTION: A video conference system using cable network includes a central connection controller(10) and a terminal device(20). The central connection controller(10) according to the present invention converts data received from each terminals to analog signals and transmits the analog signal through a broadcasting node. The terminal device(20) transmits to and receives from the central connection controller(10) the video and audio data through a cable network.
Patent KR-20000038933-A (KR)
Title: Suspension system of washing machine
Inventor: KIM SANG SU
IPC: D06F37/24
Filed: 1998-12-10
Abstract: PURPOSE: A suspension system of a washing machine is provided to reduce the vibration and the noise generated by the vibration of a washing machine by installing an auxiliary coil spring. CONSTITUTION: A suspension bar(120) supports a washing tub(110) in a body of a washing machine. A coil spring is installed at the end of the suspension bar(120). The coil spring(132) resiliently supports the washing tub(110). A cap(136) is provided at the end of the suspension bar(120) so as to support the coil spring(132). An auxiliary spring(136) which has a value smaller than the resilient constant of the coil spring(132) is installed at the end of the suspension bar(120).
Patent KR-20000043693-A (KR)
Title: Alumina-based thermal spray material containing graphite and preparation method thereof
Inventor: KIM IN SOOL
IPC: C04B35/103
Filed: 1998-12-29
Abstract: PURPOSE: An alumina-based thermal spray material containing graphite and its preparation method are provided, to reduce the manufacturing cost. CONSTITUTION: A alumina-based thermal spray material comprises 35-80 wt% of alumina-graphite based waste refractory material which is obtained by pulverizing the waste of refractory product for controlling flux; 10-35 wt% of spinel powder or chromite powder; 5-20 wt% of wollastonite powder or 3CaO.SiO2 powder; and 4-15 wt% of magnesia powder. The alumina-based thermal spray material is prepared by mixing alumina-graphite based waste refractory material with large particle size, and a certain amount of wollastonite powder or 3CaO.SiO2 powder with small particle size to prepare the first mixture; mixing spinel powder or chromite powder with large particle size, and the rest of wollastonite powder or 3CaO.SiO2 powder with small particle size to prepare the second mixture; and mixing the first and second mixtures and magnesia powder with small particle size.
Patent KR-20000045199-A (KR)
Title: Preparation method of low temperature cofired ceramic printed circuit board
Inventor: PARK YOON HYU
IPC: H05K3/00
Filed: 1998-12-30
Abstract: PURPOSE: A method for preparing the low temperature cofired ceramic (referred as LTCC) printed circuit board is provided, to prepare the circuit whose passive elements have more precious value. CONSTITUTION: A method comprises the steps of colayering the circuit pattern-printed green tape (502) on the metal substrate (300) (step 1); firing the layered body (512) obtained at the step 1 (step 2); trimming the circuit pattern on the ceramic substrate (step 3); layering a green tape (502) or a layered body (512) on the trimmed ceramic substrate (step 4); and firing the layered body obtained at the step 4 (step 5). The process from step 1 to step 3 is repeated as many as the number of green tapes where a circuit pattern requiring the trimming is printed. Preferably the circuit pattern has passive elements such as a resistor or a capacitor.
Patent KR-20000047082-A (KR)
Title: Cancer cell apoptosis-inducing composition containing extract of casesalpinia sappan
Inventor: SUNG HYUN JAE
IPC: A61K36/48
Filed: 1998-12-31
Abstract: PURPOSE: A cancer cell apoptosis-inducing composition containing the extract of Casesalpinia sappan is provided for treating the cancer. CONSTITUTION: Casesalpina sappan is a chinese medicinal herb and its extract is known to be useful for treating the cancer by improving activity of caspase which is a principle regulator of apoptosis mechanism. The method for preparing the extract of Casesalpina sappan comprises the steps of: peeling Casesalpina sappan; cutting minutely the peeled Casesalpina sappan; extracting the Casesalpina sappan with polar solvents such as water, methanol, butanol, and acetone, or nonpolar solvents such as ether, hexane, chloroform, and ethylacetate at room temperature or higher temperature. The extract of Casesalpina sappan activates protease, caspase.
Patent KR-19990064102-A (KR)
Title: 가스발생제 조성물
IPC: C06D5/00
Filed: 1996-11-13
Abstract: 연소시에 연소온도가 낮고, 발열량이 작으며, 가스발생기 자체의 소형화가 가능한 가스발생제 조성물로서, 니트로구아니딘과, (a) 알칼리금속 또는 알칼리토류금속의 질산염 또는 아질산염, (b) 구리, 코발트, 철, 망간, 니켈, 아연, 몰리브덴 또는 비스무트에서 선택된 금속의 산화물 또는 복산화물, 혹은 이들의 혼합물로 이루어지는 산화제를 필수성분으로 함유한다.
Patent KR-19990071891-A (KR)
IPC: C09K5/20
Filed: 1996-11-22
Abstract: This invention relates to organic acid corrosion inhibitors for use in antifreeze coolant compositions. The corrosion inhibitors comprise a C8 mono-carboxylic acid component, or isomers and/or salts thereof, and a neo-decanoic acid, or isomers and/or salts thereof. The corrosion inhibitors of this invention provide improved corrosion protection to metal surfaces as compared to conventional inhibitors and provide surprisingly improved corrosion protection as compared to inhibitors containing only a single mono-carboxylic acid component.
Patent KR-19990076720-A (KR)
Title: 다중 프리즘 이미지 강화 렌즈 시스템 및 그의 형성 방법
IPC: G02B7/14
Filed: 1996-12-20
Abstract: 프리즘 렌즈(10)은 복수개의 집적 프리즘(60)을 갖고, 여기서 상기 프리즘(60)은 방위안에 있거나 밖에 있는 정점부(72)내의 중앙 비 프리즘 영역(90)을 둘러싼다. 각 프리즘(60)은 두 개의 다른 프리즘(60)과 인접하거나 접촉하여 비 프리즘 영역(90)을 에워싼다. 본 발명은 원추형, 구면 또는 비구면 렌즈 부재(30)을 포함한다. 또한, 복수개의 렌즈(60)은 소정의 보정 곡률이 상기 렌즈(10)의 대물면(12) 또는 이미지면(14) 중 어느 하나 위에 있는 렌즈 부재(30) 위에 형성될 수 있도록 상기 렌즈(10)의 대물면 또는 이미지면(14) 위에 놓일 수 있다.
Patent KR-19990087800-A (KR)
Title: 유선 및 무선 통신을 위한 가변 대역폭 비대칭 전송 모드 네트워크 액세스를 지원하는 시스템
IPC: H04L12/70
Filed: 1997-03-04
Abstract: 음성 통신의 다수 베어러 채널을 위해 다양한 레이트와 비디오 및 데이터(파일 전송)를 위해 증가된 레이트를 갖는 스케일러블 멀티-레벨 데이터 비트 스트림(38)은 가변 대역폭 ATM 액세스 네트워크를 지원한다. 통신 시스템 유지보수 기능을 지원하기 위해서, 비트 스트림(38)은 접속 유지보수, 성능 감시, 경로 추적 및 테스트를 위한 임베디드 오퍼레이션 채널(42)을 포함한다. 또한, 비트 스트림(38)은 비트 스트림 내의 증가된 또는 감소된 베어러 채널을 식별하여 대역폭 사용을 제어하므로서 애드/드롭 멀티플렉싱을 실행하는 프레밍 데이터를 포함한다. ATM 네트워크와의 인터페이스는 비트 스트림을 ATM 셀(26)로 분할하고 또한 수신된 ATM 셀(26)로부터 비트를 조합하는 ATM 적응층을 통해 제공된다. ATM 네트워크(12)에 액세스하기 위해 비트 스트림을 사용하므로서 무선 및 유선 통신 시스템이 지원된다.