baber/WOPTO huggingface dataset:
Patent KR-20010007608-A (KR)
Inventor: MIN BYUNG EE
IPC: F16L21/00
Filed: 2000-09-02
Abstract: PURPOSE: A device for tightening a connection between a hose and a pipe is provided to connect a spiral hose and a spiral pipe, to provide convenience in carrying in a construction site and to completely prevent leakage only by tightening a joint part. CONSTITUTION: A device for tightening a connection between a hose and a pipe includes a waterproofed sheet(16) assembled at a connected portion to connect hoses or pipes(17), feldspars(4) fixed between tightening belts(2) with an assembling pin(10), an auxiliary belt connected to support the waterproofed sheet, coupling means(5), tightening means(6,7), bolts(15) and nuts for tightening and compressing the waterproofed sheet and feldspars.
Patent KR-20020018883-A (KR)
Title: Thin film transistor plate and fabricating method thereof
Inventor: HONG MUN PYO
IPC: G02F1/136
Filed: 2000-09-04
Abstract: PURPOSE: A thin film transistor substrate and a method for manufacturing the same are provided to secure both TFT characteristics and color filter characteristics simultaneously by employing a dual-layered gate insulating film. CONSTITUTION: A thin film transistor substrate includes data lines(20,21,24) including data electrodes formed on an insulated substrate, color filters of red, green and blue formed on the substrate, an insulating film(40) covering the data lines and the color filters, gate lines(50-52) including gate electrodes formed on the insulated substrate crossing the data lines for defining pixels, a dual-layered gate insulating film(60) covering the gate lines, first contact holes(61) for partially exposing the gate insulating film and the data lines on the gate insulating film, a semiconductor layer pattern(71) formed on the gate insulating film of the gate electrodes, ohmic contact layer patterns(82,83) formed on the semiconductor layer pattern, and pixel lines formed on the ohmic contact layer pattern and having source electrodes(112) connected to the data lines via the first contact holes, drain electrodes(111) separated from the source electrodes and facing the source electrodes, and pixel electrodes(110) connected to the drain electrodes.
Patent KR-20020018896-A (KR)
Title: energy recovery circuit for plasma display panel
Inventor: CHAE GYUN
IPC: G09G3/296
Filed: 2000-09-04
Abstract: PURPOSE: An energy recovery circuit of plasma display panel is provided to reduce the number of used devices by preventing a resonance current from flowing in a reverse direction. CONSTITUTION: A panel(10) and an electrostatic capacitor(Cp) of the panel are connected between first and second sustain drives(40,50). In the first sustain drive, an energy storing capacitor(Css), an auxiliary inductor(L) and first and second switches are connected in series. One side of the second switch is connected between third and fourth switches in order to maintain a sustain voltage. The first and second switches comprises parasite first and second diodes(D11, D12) as a metallic oxide semiconductor field effect transistor(MOSFET) type. The second sustain drive has a same structure as the first sustain drive. As a result, a resonant current is prevented from flowing in a reverse direction by the reverse parallel diode.
Patent KR-20020022214-A (KR)
Title: High Permittivity Dielectric Ceramic Compositions for Microwave Applications
Inventor: CHO UN JO
IPC: C04B35/00
Filed: 2000-09-19
Abstract: PURPOSE: Provided is a PbO-ZrO2-CaO-TiO2 system dielectric ceramic composition with high dielectric constant(more than 100) for microwave products of small size and light weight such as filters, duplexer and resonators. CONSTITUTION: The microwave dielectric ceramic composition is represented by the formula, (1-y)(Pb1-xCaxZr0.9Ti0.1)O3 + ySrZrO3 (0.3<=x<=0.4, 0.3<=y<=0.4). The composition is obtained by the following step: preparing PbZrO3-CaTiO3 composition; adding SrCO3, ZrO2 in a ratio corresponding to the formula, and CeO2 in a mole fraction of 0.003-0.005 for lowering sintering temperature and improving quality factor; ball-milling, drying, and sintering at 1300-1400deg.C.
Patent KR-20020026990-A (KR)
Title: Vertical cavity surface emitting laser having micro-lens
Inventor: KIM SEONG JIN
IPC: G02B3/00
Filed: 2000-10-04
Abstract: PURPOSE: A vertical cavity surface emitting laser(VCSEL) in a body with a micro lens is provided, where a position of the micro lens is varied on a laser output part. CONSTITUTION: A vertical cavity surface emitting laser part(100) emits a laser to a stacked direction of a semiconductor epilayer, and a micro lens(190) is formed with a material transmitting a light emitted from the vertical cavity surface emitting laser part. And a varying part varies an interval between the micro lens and the vertical cavity surface emitting laser part by being located between them. The vertical cavity surface emitting laser part comprises a substrate(101), a bottom electrode(155) formed on a bottom surface of the substrate, a bottom reflector layer(110) and an active layer(120) and a top reflector layer(140) stacked in sequence on the substrate, and a top electrode(151) formed on a region except a region for emitting the laser light.
Patent KR-20010050852-A (KR)
Inventor: OZAKI NOBUAKI
IPC: C07K14/47
Filed: 2000-10-05
Abstract: PURPOSE: To provide a protein useful for elucidation of the function of an intracellular vesicle transport system, and capable of being utilized for development of a therapeutic agent of a disease related to nerve cells or secretion system cells associated with the transport system. CONSTITUTION: This protein has an amino acid sequence with one or plural deleted, substituted, inserted or added amino acid residue in the amino acid sequence represented by sequence number 1 of the sequence table, and properties interacting with a control factor II of GDP/GTP exchange reaction.
Patent KR-20010050919-A (KR)
Inventor: CHEN DAVID A
IPC: H04L29/06
Filed: 2000-10-07
Abstract: PURPOSE: A method and apparatus for providing Internet content is provided to allow radio communication equipment which is not provided with any browser to perform access to hyper media contents on Internet or the other network. CONSTITUTION: A method and apparatus for providing hypermedia content maintained remotely on a network to a wireless device without a browser are described. An SMS(Short Message Service) request for Internet-based content is received from a wireless device(100) on a wireless network(102) at a proxy server(108) via an SMS Center(212). The proxy server transcodes the SMS request from a character set of the SMSC to a character set of an application and extracts a keyword from the trancoded request. The proxy server looks up the extracted keyword in a keyword-to-URL mapping to identify the URL of an application associated with the keyword and constructs an HTTP POST operation containing the keyword and the URL which is submitted to the application over a wireline network such as the Internet(215). The proxy server extracts the requested content from a received HTTP response from the application in response to the POST operation, and then translates the content from the content-type used by the application to the content-type used by the SMSC and transcodes the content from the character set used by the application to the character set used by the SMSC. The translated and transcoded content is then sent as an SMS response to the SMSC, for subsequent delivery to wireless device as an SMS message.
Patent KR-20020028325-A (KR)
Title: Method of manufacturing a flash memory cell
Inventor: JANG SANG HWAN
IPC: H01L27/115
Filed: 2000-10-09
Abstract: PURPOSE: A method for fabricating a flash memory cell is provided to reduce parasitic capacitance and to improve an operation speed of the cell, by using a well fabricated by an electrical isolation and by using WSix to reduce well resistance of the well. CONSTITUTION: The first oxide layer(2), a pad polysilicon layer(3) and the first tungsten silicide layer(4) are sequentially formed on a semiconductor substrate(1). The first tungsten silicide layer, the pad polysilicon layer and the first oxide layer are patterned by an etch process using a cell well mask. The second oxide layer(5) is formed to fill a patterned portion, and the second oxide layer on the first tungsten silicide layer is removed by a blanket etch-back process. After the third oxide layer is formed, the third oxide layer is patterned by an etch process using a cell field mask. After a sub polysilicon layer(7) is formed, a chemical mechanical polishing(CMP) process is performed until the sub polysilicon layer on the third oxide layer is eliminated. A word line is formed, and a bit line is formed by an impurity ion implantation process.
Patent KR-20020028721-A (KR)
Title: burglar calling apparatus use of hand baggage
Inventor: LEE YONG JOO
IPC: G08B25/00
Filed: 2000-10-11
Abstract: PURPOSE: A secrete calling device using a portable article is provided to enable guard or policeman located at a remote place to exactly and rapidly know a crime generation position. CONSTITUTION: The secrete calling device consists of a radio wave transmitter(40) contained in a portable article for generating a calling signal when a sufferer manipulates a switch; a transmitting signal tracker(RC1,RC2,..,RCn) installed inside a building for detecting the calling signal emitted from the radio wave transmitter; a control part(80) for outputting a screen output signal and an alarm signal of a detected position by accessing position data of the detected tracker; a screen display device(60,62) for displaying a region detected from the tracker by the screen output signal of the control part; and an alarm device(70) for generating an alarm sound according to the alarm signal of the control part.
Patent KR-20010070170-A (KR)
Inventor: OMURA SHINGO
IPC: A61H33/12
Filed: 2000-10-27
Abstract: PURPOSE: Provided is a steam cosmetic device which condensates dew accumulated in the outer periphery of a nozzle to prevent a drop of hot water from being discharged. CONSTITUTION: The steam cosmetic device has a water supply tank(2), a heater(3) for heating water and a nozzle(4) for ejecting heated and evaporated steam. A guide member for condensation(109) is disposed in the vicinity of or in junction with the rear end portion of the lower portion of the nozzle(4).
Patent KR-20020032944-A (KR)
Title: Ptc composition and ptc device comprising it
Inventor: CHO HYEON NAM
IPC: C08L23/08
Filed: 2000-10-28
Abstract: PURPOSE: Provided are a PTC composition having PTC property and a PTC element using the composition, wherein the PCT element can be used as element for protecting circuit. CONSTITUTION: The PTC composition comprises (a) crystalline olefinic polymer and ionomer, and (b) conductive particles dispersed in polymer matrix formed from the crystalline olefinic polymer. The PTC composition can increases interfacial adhesion with electrode and minimize contact resistance without special treatment of electrode. Also, the PTC composition can increase maximum operation current(hold current).
Patent KR-20020034420-A (KR)
Inventor: LEE CHUN GOO
IPC: C02F9/06
Filed: 2000-11-01
Abstract: PURPOSE: A method of manufacturing pure water and its device is provided to produce industrial water by mixing purified water with reverse osmosis means and purified water with electrical deionization means. CONSTITUTION: The device comprises a reverse osmosis(10) which discharges water that is purified in advance and a discharge pipe(12); a volume control valve(20) which controls distribution volume of the water that flows in the first and second distribution pipes(21, 22) from the discharge pipe; an electrical deionization means(30) which is connected with the first distribution pipe; a discharge pipe(32) which is connected with the second distribution pipe. Water that is purified through the reverse osmosis means is mixed with the water that is purified through the electrical deionization means to manufacture industrial water having suitable water quality.
Patent KR-20010051767-A (KR)
Title: Applicator for tampon
Inventor: SUGA AYAMI
IPC: A61F13/32
Filed: 2000-11-17
Abstract: PURPOSE: To overcome such defects with the conventional applicator for tampons that, if its front end is formed to a convergent shape allowing the easy insertion into the vaginal cavity, the difficulty in the stabilization of the shape of a valve disposed at the projecting port of the tampon, the deterioration of injection moldability and the easy tendency to opening of the front end of the valve are resulted. CONSTITUTION: The front end of an outer cylinder 1 is formed to a shape allowing the easy insertion into the vaginal cavity by confining the ratio A/B of the radius A at an inflection point Z and the length B of the end from the inflection point Z to <= 0.8. At this time, the ratio of the length of the valve 17 and the width at the base end is specified to >= 1.0 to <= 2.0, by which the injection moldability of the valve 17 may be improved and the opening of the valve after the molding may be suppressed. The opening at the front end of the valve 17 may be suppressed by making the curvature of the front end portion 7b of the valve 17 further larger.
Patent KR-20020039551-A (KR)
Title: Chemical etching method for semiconductor leadframe
Inventor: PARK SEONG U
IPC: H01L23/495
Filed: 2000-11-22
Abstract: PURPOSE: A method for chemically etching a semiconductor lead frame is provided to obtain a correct width of a silver plating layer with a high etch rate and without damaging a photo resist film used for etching. CONSTITUTION: In manufacture of the lead frame for a semiconductor package, the silver plating layer is formed on copper alloy or nickel alloy and then chemically etched to form a pattern. During the chemical etching, the silver plating layer is selectively removed by supplying a solution with pH scale of 3.0-7.0 at a temperature of 40-80°C in a deposition or injection manner. The solution includes at least one oxidizing agent and a complexing agent. The oxidizing agent is selected from the group consisting of 0.02-0.2M ferricyanide alkali metal, 0.01-0.5M persulphate alkali metal and 0.01-05M thiocyanate alkali metal. The complexing agent is preferably 1-4M iodic alkali metal. The chemical etching method is useful to manufacture a fine pitch lead frame.
Patent KR-20010052011-A (KR)
Inventor: OBERMEIER KLAUS
IPC: C08L83/04
Filed: 2000-11-29
Abstract: PURPOSE: A crosslinkable organopolysiloxane composition and a shaped body prepared by crosslinking the composition are provided, which can be stored under the condition of excluding humidity and can be crosslinked at a room temperature upon permeation of humidity. CONSTITUTION: The crosslinkable organopolysiloxane composition has an organosilicon compound having at least two hydrolyzable groups as the base; and contains, as the catalyst, at least one titanium compound represented by Ti(OR)4-n£(OR1)x-OR2|n, wherein R's are independent each another and are a monovalent substituted or unsubstituted hydrocarbon radical; R1's are independent each another and are a divalent substituted or unsubstituted hydrocarbon radical; R2's are independent each another and are a monovalent substituted or unsubstituted hydrocarbon radical; n is an integer of 1-4; and x is an integer equal to or greater than 1.
Patent KR-20020043714-A (KR)
Title: Element of air cleaner
Inventor: SEO YONG GYO
IPC: F02M35/02
Filed: 2000-12-04
Abstract: PURPOSE: Structure for making a filter element of an air cleaner is provided to reduce the noise flowing backward from the intake part of an engine as well as to filter intake air by forming filter elements in multiple layers. CONSTITUTION: Filter elements(30) are formed in the inside spaces of housings of an air cleaner. Filter beds(32) made of unwoven fabric or paper are layered in a separate plastic case(31). The impurities in intake air are absorbed in the filter elements while passing through the air cleaner. The cleaned air is supplied to an engine. The operating noise of the engine is transmitted to an engine room and a vehicle room. Since the filter beds are installed in multiple layers, noise damping efficiency is improved.
Patent KR-20020043722-A (KR)
Inventor: LEE HAE CHANG
IPC: F01M11/00
Filed: 2000-12-04
Abstract: PURPOSE: A baffle plate of an oil pan is provided to prevent the damage on an engine due to the short age of lubricating oil by avoiding the temporary disconnection of oil supply via a baffle plate when the oil in an oil pan is inclined to a specific portion. CONSTITUTION: A baffle plate of an oil pan comprises a guide(21) formed in the center of the oil storage space in an oil pan(20) and having a stopper(22) on its upper portion, a baffle plate(30) floating on the surface of oil and moving upward and downward along the guide, a guide hole(31) formed in the baffle plate to guide an oil strainer(23) when the baffle plate moves upward and downward, and many through holes formed on the surface of the baffle plate to flow oil to the upper portion of the baffle plate from the lower portion of the baffle plate when the baffle plate is blocked up by the stopper of the guide. The baffle plate prevents the inclination of the surface of the oil in the oil pan. Therefore, oil is continuously supplied to an oil pump.
Patent KR-20010062150-A (KR)
Title: Self-positioning metal hold-down
Inventor: FETTER JOEL D
IPC: H01R12/70
Filed: 2000-12-06
Abstract: PURPOSE: A self-positioning metal hold-down is provided to secure an electrical connector to a printed circuit board which is not subject to breaking, fracturing or other structural failure, and floats freely in the connector to obtain coplanarity between the hold-down and the connector contacts to compensate for twisting in the housing. CONSTITUTION: A hold-down(10) is provided for securing an electrical connector to a printed circuit board. The hold-down is mounted to a housing(50) and/or arms of the electrical connector. The holds-down comprises a base(15); a first portion(20) formed at one end of the base, with a first terminal(30) extending from the other end of the first portion and substantially parallel to the base; and a second portion(25) formed at the other end of the base, with a second terminal(35) extending from the other end of the second portion and substantially parallel to the base. The hold-down pivots or is free-floating, and therefore, provides coplanarity among the terminals in the electrical connector and the hold-down.
Patent KR-20020055500-A (KR)
Title: Piston of Hydraulic Generator and manufacturing method thereof
Inventor: CHO JEONG HWAN
IPC: F16J1/01
Filed: 2000-12-28
Abstract: PURPOSE: A piston and its production method are provided to improve the efficiency of hydraulic generator and to extend the operating time by giving the lubricating ability and the abrasion resistance to the surface of the piston. CONSTITUTION: A sputter is washed with 200-1000V in an argon atmosphere of 50-100mTorr. An intermediate layer(90) is layered with 300-600V in an argon and silane mixed atmosphere of 100-300mTorr. A diamond-like carbon film(80) is coated on the piston in 1-10micrometers with 200-500mTorr and 300-600V by inducing hydrocarbon gas from a gas supply system. Thereby, the efficiency of a hydraulic generator is improved and the operating life length is extended.
Patent KR-20020055047-A (KR)
Title: A method for fuel temperature sensor fail detect of vehicle
Inventor: CHO JUN GAN
IPC: F02D41/22
Filed: 2000-12-28
Abstract: PURPOSE: An atmospheric temperature is monitored by an intake air temperature, and a disorder is decided by deviation between the atmospheric temperature and a coolant temperature. CONSTITUTION: An automobile state detecting device(100) detects signals outputted by various automobile state. An engine control device(200) outputs a control signal to the automobile state detecting device to receive the detected signal of the automobile state detecting device. An intake air temperature, a coolant temperature, and a fuel temperature are obtained by the signal to decide disorder.
Patent KR-20020056508-A (KR)
Title: An automotive exhaust system having variable flux
Inventor: PARK GI CHEOL
IPC: F01N1/16
Filed: 2000-12-29
Abstract: PURPOSE: An exhaust system having a variable flow function is provided to reduce noise and back pressure simultaneously by automatically extending/shortening a flow passage by the amount of exhaust gas in a whole operating section of an engine. CONSTITUTION: An exhaust pipe(10) is connected to an exhaust manifold, and has a resonator and a muffler. An extension chamber(10a) is formed on the pipe(10) and has a large diameter, relatively. A variable flow unit(20) is installed in the extension chamber(10a). The variable flow unit(20) moves according to the amount of exhaust gas(F) and extends/shortens a flow passage.
Patent KR-20010022716-A (KR)
Title: 스티어링 조립체
IPC: B62D1/19
Filed: 1998-08-05
Abstract: 본 발명은 스티어링 컬럼축(3a, 3b)이 두 부분의 스티어링 컬럼 하우징 내에 지지되는 에너지 흡수 스티어링 컬럼 조립체에 관한 것이다. 두 부분의 하우징은 차체에 고정되는 제 1 부분(1)과 제 1 부분(1)에 의하여 지지되고, 사고시 제 1 부분에 대하여 신축적으로 활동할 수 있게 된 제 2 부분(2)으로 구성된다. 스프링(5)이 두 부분 사이에 제공되어 제 1 및 제 2 부분(1, 2) 사이의 상대운동시 스프링(5)이 완충효과를 제공하는 마찰력을 발생토록 두 부분중 적어도 하나를 따라 활동한다. 아울러 두 부분의 하우징(1, 2)이 제 2 부분의 개방부를 따라 또는 이를 통하여 "압착"되는 제 1 부분으로 구성된 에너지 제어기구(300, 400)를 통하여 차량에 고정된 다른 실시형태가 기술되어 있다. 제 1 부분이 제 1 부분의 개방부를 통과할 때 제 1 부분의 단면이 변화함으로서 사전에 결정된 완충력이 발생될 수 있다.
Patent KR-20010023584-A (KR)
Title: Process for enhancing the optical purity of 2R-[1-hydroxy-1-trifluoromethyl-3-cyclopropylpropyn-2yl]-4-chloroaniline
IPC: C07C213/10
Filed: 1998-09-01
Abstract: A process for enhancing the purity of 2R-[1-hydroxy- 1-trifluoromethyl- 3-cyclopropylpropyn-2-yl] -4-chloroaniline comprising the formation of an acid addition salt which is capable of rejecting the racemate in the selected organic solvent.
Patent KR-20010023634-A (KR)
Title: 긴 사용 수명을 가지는 고압 방전 램프용 전극
IPC: G03F7/20
Filed: 1999-02-10
Abstract: 고압 방전 램프에 대한 전극(5)의 경우, 전극 표면의 적어도 일부는 높은 용융점 금속으로 만들어진 수지상 결정 층(13)으로 커버된다.  실질적으로 보다 긴 사용 수명이 달성된다.
Patent KR-20010031619-A (KR)
Title: 액체 분배 장치 내에 사용하기 위한 전기화학 셀 모듈
IPC: A61M5/142
Filed: 1999-08-17
Abstract: 전기화학 셀 모듈(10)은 공동을 형성하는 도전성 재료의 외측 쉘(14)과, 공동 내에 위치된 전해 박막(20)과, 박막의 대향 측면들 상에 위치된 제1 및 제2 투과성 전극(21, 23)과, 제2 전극(23)과 외측 쉘(14) 사이에 위치된 밀봉 부재(22)를 갖는다.  전극들을 가로질러 전원을 연결시키기 위한 접촉부(40)가 제2 전극(23) 및 제2 전극(23)과 동일한 박막의 측면 상의 외측 쉘(14) 상에 제공되고, 외측 쉘(14)은 모듈을 가로지르는 어떠한 외부 리드선을 필요로 하지 않으면서 제1 전극(21)에 대한 전류 포집기를 제공한다.
Patent KR-20010031885-A (KR)
Title: 액정 패널용 기판, 액정 패널 및 이것을 사용한 전자기기및 액정 패널용 기판의 제조 방법
IPC: G09F9/30
Filed: 1999-09-08
Abstract: 반사형 액정 패널에 있어서, 반사 전극에 가장 적합한 반사 특성을 부여함으로써, 시야각이 넓으며 동시에 밝게 고품질의 반사형 표시를 가능하게 하기 위해, 액정 패널용 기판은 기판(1) 상에, 트랜지스터와, 트랜지스터에 접속된 반사 전극(13)을 구비한다.  반사 전극(13)의 하방에는 층간 절연막을 통해 반사 전극(13)에 대응하는 영역에 적층되는 동시에 다수의 구멍이 개공됨으로써 요철형상으로 형성된 제 2 도전층(10a)을 구비한다.  제 2 도전층에서는 평면적으로 보아 반사 전극(13)의 간극에 덮는 차광막도 형성되어 있고, 이 차광막 부분에는 구멍이 개공되어 있지 않은 것을 특징으로 한다.
Patent KR-20010034668-A (KR)
Title: Ｗｄｍ 전송 중계기, ｗｄｍ 전송 시스템, 및 ｗｄｍ 전송방법
IPC: H04B10/294
Filed: 1999-03-24
Abstract: 본 발명은 비교적 중계 간격이 짧은 시내국간의 광통신에 적합한 WDM 전송 시스템 등에 관한 것이다.  특히, 상기 WDM 전송 시스템에 적용되는 WDM 전송 중계기는 전송로 중을 전파하는 복수의 신호광을 제 1 군 및 제 2 군에 분파하여 상기 제 2 군을 꺼내는 한편, 분파된 제 1 군과 상기 제 1 군과는 다른 신호광의 제 3 군이 합파된 새로운 WDM 신호군을 전송로 내로 송출하는 합파기를 구비함과 동시에, 상기 제 2 군의 분파되지 않은 누화 성분에 의한 상기 광통신에의 영향을 저감하기 위한 특수한 구조를 구비하고 있다.
Patent KR-20010025115-A (KR)
Title: 이중 램프 조명 시스템 및 이중 램프 조명 시스템 내장형투사 시스템
IPC: G03B21/14
Filed: 2000-03-09
Abstract: 이중 램프 조명 시스템이 기술되며, 시준(collimating) 반사기를 갖춘 두 개의 램프들의 출력 빔이 혼합된 빔을 생성하기 위해 서로 상대편을 향하고, 서로 90。로 설정된 평면거울이 혼합된 빔 쪽으로 반쯤 삽입되고, 혼합된 빔의 절반이 원래의 혼합된 빔과 같은 에텐듀(etendue)를 실질적으로 갖는 새로 혼합된 빔을 형성하기 위해 혼합된 빔 경로의 바깥쪽으로 향하며, 반면에 원래 혼합된 빔의 반사되지 않은 빔의 절반의 광선들은 그들이 평면들 중 한 면과 충돌할 때까지 재활용되고, 그후 새로 혼합된 빔 쪽으로 반사된다.