baber/WOPTO huggingface dataset:
Patent KR-20010038851-A (KR)
Inventor: CHOI GAK JIN
IPC: H04L9/00
Filed: 1999-10-27
Abstract: PURPOSE: A method for distributing a secret key in a secret telecommunication system is provided to achieve the reliable secret telecommunication service by preventing the secret key from revealing to other person. CONSTITUTION: A user of a secret telecommunication service receives a variable secret key from a secret key managing system. The user can uses the secret telecommunication service by using the variable secret key. A terminal for the secret telecommunication has an algorithm of creating variable secret key therein. When the user is connected to a telecommunication net work, the terminal receives the user's variable secret key information from the secret key managing system. Information supplied from the user's terminal is demodulated by the algorithm of creating variable secret key.
Patent KR-20010045321-A (KR)
Inventor: YANG YOON GEUN
IPC: F16K31/124
Filed: 1999-11-04
Abstract: PURPOSE: A spring of an oil hydraulic servo valve for a rolling mill is provided to protect a spring from being damaged by intense heat and to have good performance. CONSTITUTION: A spring of an oil hydraulic servo valve comprises a spool(3) operating an oil pressure port(4) selectively installed to the inside of a hydraulic servo valve(1) provided with many oil pressure ports to be reciprocated back and forth, a solenoid valve(5) installed on the outer side of the spool to pull the spool to one way by being supplied with power sources from the outside, a spring(2) installed on one end of the spool to return the spool back to the original position when power sources to the solenoid valve are cut off, and a position sensor(6) installed on the other side of the spool to sense the position of the spool, wherein the spring is made of metal and comprises a flange part at the rear end, a solenoid valve supporter having a spool connecting groove at the front end and a spiral spring part(11) on a pipe-shaped body part.
Patent KR-20010048838-A (KR)
Inventor: KIM CHUNG GYEONG
IPC: B43K23/08
Filed: 1999-11-30
Abstract: PURPOSE: A tip for a writing implement is provided, which dose not have weak parts against the moment and has improved durability and strength and makes ink supplied smoothly. CONSTITUTION: The tip for the writing implement comprises: a small diameter part(4) having an inner diameter correspondent to the outer diameter of a ball(12), wherein the ball(12) is mounted rotatively in the tip by a plurality of clamping projections(3) which is projected inward by a punching process; a large diameter part(8) having a larger inner diameter than the inner diameter of the small diameter part(4); a curved connection part(6) for connecting the small diameter part(4) with the large diameter part(8) smoothly; a reinforcing part(7) located between the small diameter part(4) and the large diameter part(8), which is projected outward by a bending process. The small diameter part(4), the large diameter part(8), and the connection part(6) are formed by a deep drawing process.
Patent KR-20000012530-A (KR)
Inventor: SEO CHI HO
IPC: C04B38/00
Filed: 1999-12-09
Abstract: PURPOSE: A lightweight aggregate for ondol is prepared which has an improved compression strength and thermal properties. CONSTITUTION: A clay composition having 50¯60 % of silicon oxide, 15¯20 % of aluminum oxide, 5¯10 % of ferric oxide, 1¯5 % of calcium oxide and 1¯5 % of potassium oxide and sodium oxide is mixed with bunker C oil, compression molded and dried. The molded material is sintered at 1,150- 1,190°C for 2-3 minutes and swells to 100¯ 220%, followed by cooling to 800-900°C. The sintered material is sintered and cooled again at 1,200°C for 2-4 minutes, swells to 300% to give the lightweight aggregates. Hot water ondol is consisted of several layers:A base construction on the bottom, a heat insulating material layer on the bottom layer, a radiating pipe on the heat insulating material layer, and an upper layer.
Patent KR-20010055685-A (KR)
Inventor: KWON SANG DONG
IPC: H01L27/10
Filed: 1999-12-11
Abstract: PURPOSE: A method for forming a self-alignment contact is provided to be capable of securing an alignment margin and an etch margin upon BC self-alignment contact by forming a bit line using a damascene process. CONSTITUTION: A method for forming a self-alignment contact sequentially forms the first insulating film(210) and the first nitride film(212) on a semiconductor substrate. A contact plug(214) is formed within the first insulating film and the first nitride film by lithography process. The second insulating film is deposited on the entire surface of the substrate. The second insulating film is etched so that the contact plug can be exposed by the lithography process, thus forming an opening element. A barrier metal films(218) is formed on the entire surface of the substrate including an internal wall of the opening element. A metal film(220) is deposited on the entire surface of the substrate. The metal film and the barrier metal film are etched by etch-back process, where etching is performed to a given depth of the opening element. The second silicon nitride film(222) is deposited on the entire surface of the substrate. The second nitride film is etched by etch-back process until an upper surface of the second insulating film is exposed. The second insulating film is removed. A spacer(224) is formed at the sidewall of the second nitride film and the barrier metal film, using the third nitride film.
Patent KR-20010055902-A (KR)
Inventor: KOO JEONG HOE
IPC: H01L31/0216
Filed: 1999-12-13
Abstract: PURPOSE: A method for easily analyzing defects produced in multiple photoresist layers of an image sensor is provided. CONSTITUTION: In the method, a sample wafer of the image sensor and a dummy wafer are separately prepared. The sample wafer has the multiple photoresist layers of a color filter array, an overcoating layer, and a micro-lens, which are stacked in sequence on a passivation layer of a substrate. The dummy wafer has a double-faced tape attached thereto. The double-faced tape of the dummy wafer is then pasted with the micro-lens of the sample wafer. Next, the sample wafer is immersed in a fluoric acid solution to etch the passivation layer and thereby to expose the back side of the color filter array. Thereafter, to observe the defects, the multiple photoresist layers is etched from the back side of the color filter array to a portion where the defects are produced.
Patent KR-20010056959-A (KR)
Inventor: KOOG JEONG HO
IPC: H01L21/205
Filed: 1999-12-17
Abstract: PURPOSE: An improved residual gas exhaust system of a low pressure chemical vapor deposition chamber is provided to prevent a pressure sensor from being degraded by particles produced during exhaust of a residual gas. CONSTITUTION: The exhaust system includes a reaction chamber(10) admitting a boat(20) containing wafers(22), an exhaust line(30) used as an exhaust path of the residual gas in the reaction chamber(10), the first pressure sensor(42) detecting an exhaust pressure of the residual gas, the second pressure sensor(44) monitoring operation of the first pressure sensor(42), a pressure controller(50) receiving pressure values from the sensors(42,44) and thereby controlling the exhaust pressure, the first flow regulator(70) supplying a nitrogen gas to the exhaust line(30) to compensate for an insufficient exhaust pressure, and a vacuum pump(80) compulsively exhausting the residual gas. In particular, the exhaust system further includes the second flow regulator(90) which supplies a nitrogen or inert gas or air in small amount to prevent the first pressure sensor(42) from being directly exposed to the exhaust gas.
Patent KR-20000052552-A (KR)
Inventor: WHITEBUTJ
IPC: H02K29/00
Filed: 1999-12-23
Abstract: PURPOSE: A method and an apparatus for reconfiguring a motor in a disk drive are related to a motor provided with three windings, activated by a actuator circuit, connected in the delta form. CONSTITUTION: A disk drive structure(10) driven by a spindle motor and voice coil actuator circuit(12) comprises a DC move-rush spindle motor(14) which rotates at least one data memory unit disk(16) at a required angular velocity for a base(21). A head slider(18) supporting a data transducer is movably supported by a head arm(20) comprising a road beam and a gimbal. The head arm(20) is rotated for the base(21) and rotates the data memory unit disk(16) by a rotary voice coil actuator motor(22). The DC move-rush spindle motor(14) and the rotary voice coil actuator motor(22) are controlled by the spindle motor and voice coil actuator circuit(12) on power and control paths(24,26).
Patent KR-20010057507-A (KR)
Inventor: KIM YEONG HWAN
IPC: G06F17/00
Filed: 1999-12-23
Abstract: PURPOSE: An apparatus and method for obtaining an initial synchronization of a correlator is provided to obtain synchronization at high speed even though the correlator is used. CONSTITUTION: A timing generating unit(10) generates a pilot signal PN to a correlator. A parallel PN code generating unit(20) receives a load signal of the timing generating unit(10) and generates a plurality of PN code signals for a pilot signal to be searched. A pilot signal detecting unit(30) receives the PN code generated in the parallel PN code generating unit(20) and detects a pilot signal to be searched from the inputted signal. A signal deciding unit(40) compares and confirms the signal searched in the pilot signal detecting unit(30) with a wanted signal. A processor unit(50) receives a decision result of the signal deciding unit(40), and controls the timing generating unit(10), the parallel PN code generating unit(20) and the pilot signal detecting unit(30), and generates a new signal necessary to confirm and verify the pilot signal and decides the size of the signal.
Patent KR-20010058372-A (KR)
Inventor: OH HYEON SEON
IPC: H01L21/76
Filed: 1999-12-27
Abstract: PURPOSE: A method for manufacturing an isolation region of a semiconductor device is provided to simplify a manufacturing process without an additional anti-reflecting layer, by using a silicon oxynitride layer of low reflectivity as a hard mask used in forming a trench on a semiconductor substrate and as a stop layer in a subsequent process. CONSTITUTION: A buffer oxide layer(22) and a silicon oxynitride layer are sequentially formed on a semiconductor substrate(21). An insulation region is defined on a wafer, and the silicon oxynitride layer and the buffer oxide layer are patterned by a photolithography process. The semiconductor substrate is etched to form a trench by using the patterned silicon oxynitride layer as a hard mask. The semiconductor substrate at the side surface of the trench is oxidized to form the first oxide layer(24), and the second oxide layer(25) is highly formed on the resultant structure. The resultant structure is planarized to expose the silicon oxynitride layer, and the remaining silicon oxynitride layer is removed.
Patent KR-20010060457-A (KR)
Title: Earphone
Inventor: BYON GI MAN
IPC: H04R1/10
Filed: 1999-12-27
Abstract: PURPOSE: An earphone is provided to improve the performance of assembling and to exchange components easily by using an inserting method to connect a speaker with a cord. CONSTITUTION: Inserting connection terminals(13a,13b) are formed in the back of a speaker(13) so as to connect to a cord(18) electrically. Connection terminals(18a,18b) are formed in the cord(18) so as to connect the corresponding connection terminals(13a,13b) of the speaker(13) electrically. The connection terminals are the male and female type. The connection terminals may be connected each other indirectly through the printed circuit board(24) between the speaker(13) and the cord(18).
Patent KR-20010061368-A (KR)
Inventor: KO GYEONG MIN
IPC: H04M3/22
Filed: 1999-12-28
Abstract: PURPOSE: A method for identifying line/port normal installations of an exchange is provided to monitor line/port normal installation states without a test process, and to notify a monitoring result by an LED(Light Emitting Diode), so as to reduce an installing cost. CONSTITUTION: An exchange performs an initialization when a system is turned on(S1). The exchange occupies each line of the system(S2), and detects a lead-in of a dial tone through the occupied lines(S3). If the exchange detects the lead-in of the dial tone within predetermined time, the exchange records a corresponding detecting result in a memory(S4), and identifies whether polarity reversals relating to the lines are generated(S5). If not, the exchange records a corresponding detecting result in the memory(S6), and notifies a normal state(S7).
Patent KR-20010066187-A (KR)
Title: Connecting rod for vehicle
Inventor: KIM GYU WAN
IPC: F01M9/00
Filed: 1999-12-31
Abstract: PURPOSE: A connecting rod for a vehicle is provided to improve the durability of a piston and a piston ring by cooling the inner wall of the piston through the installation of a filter bed and a screen with a case. CONSTITUTION: A groove(22) is formed in the upper end of a small end portion(20) having an oil supply hole(12), and a filter bed and a screen are attached onto the groove. A case having many oil outlet holes is mounted onto the groove. The oil outlet holes are inclined to the shaft of a connecting rod(10). The oil flowing out through the oil outlet holes is evenly injected into the filter bed. Thus, the filtering effect of the oil is maximized. The oil supplied to the groove through the oil supply hole is evenly injected through the oil outlet holes in various angles. The oil filtrated via the filter bed and the screen is evenly injected into an inner wall(54) of a piston. Therefore, the inner wall of the piston is cooled.
Patent KR-20000069410-A (KR)
Title: 차량 유리 세척장치용 와이퍼고무
IPC: B60S1/38
Filed: 1998-10-08
Abstract: 본 발명은 세척할 유리와 접하는 날 및 와이퍼고무를 지지하는 헤드가 구비된 와이퍼고무, 특히 차량 유리세척설비 와이퍼 아암에 조립되는 와이퍼고무에 관한 것이다. 
     날(14)과 헤드(12)가, 와이퍼고무(10)의 세척방향에 따라, 중간 부품(16)에 작용하는 힘에 의해 움직이는 탄성 중간 부품(16)을 통해 연결됨으로써, 날(14)이 세척 방향과 반대 방향으로 젖혀지는 와이퍼고무가 개시된다.
Patent KR-20000070547-A (KR)
Title: 홀로그래픽 스크린을 사용하는 투사형 텔레비전
IPC: H04N9/31
Filed: 1998-01-29
Abstract: 투사형 텔레비전 수신기(10)는 서로 다른 컬러의 각 이미지에 대한 적색(14), 녹색(16), 청색(18)의 이미지 투사기와 적어도 하나의 홀로그램(26)에 의해 형성된 고 이득의 투사 스크린(22)을 포함하는데, 상기 홀로그램(26)은 적어도 하나의 광전송용 판넬(38) 위에 있는 기판(24) 상에 배치되어 있다.  상기 고 이득의 홀로그래픽 스크린(22)은 광범위한 수평 반시청 각도를 갖는 스크린에 의존하지 않고 프레넬과 같은 렌티큘러 스크린보다 증대된 수평 시청 성능을 제공한다.
Patent KR-20000070853-A (KR)
IPC: C08F255/02
Filed: 1998-02-06
Abstract: 본 발명은 약 400 내지 75,000의 수평균분자량(Mn) 및 하기 일반식에 따르는 비닐그룹:전체 올레핀그룹의 비를 가지며, 1000개의 탄소원자당 비닐그룹의 총수가 8000 ÷ Mn 이상인 올레핀 중합체 쇄(chain)를 포함하는 물질의 중합체 조성물을 개시한다. 
     비닐그룹/올레핀그룹 ≥  [공단량체 몰% ＋ 0.1] a ×10 a ×b 
     상기식에서, 
     a 는 - 0.24 이고, 
     b 는 0.8 이다. 
     본 발명은 또한 하나 이상의 올레핀 공단량체를 전이금속 촉매 화합물 및 알룸옥산(이때, 알루미늄:전이금속(Al:Me) 비는 10:1 내지 220:1 이하이다)을 함유하는 촉매 시스템과 접촉시킴을 포함하여 중합체 생성물을 제조하는 방법도 개시한다.  본 발명의 공정조건은 분자량 및 비닐 불포화도와 같은 예측가능한 거대단량체 특성을 제공해준다.
Patent KR-20010020126-A (KR)
Title: 선순위 기초 가상 환경
IPC: G06F3/00
Filed: 1999-02-18
Abstract: 가상 환경의 선순위-기초 동작을 가능하게 하는 시스템에 있어서, 상기 시스템은 애버타 및 비-애버타 대상에 대한 선순위를 공급하는 선순위 성분을 포함하여, 가장 높은 선순위 애버타/대상이 (a) 향상된 렌더링 및, (b) 네트워크 및 운용 시스템으로부터의 향상된 서비스질을 갖도록 한다.  선순위 성분은 예컨대, (i) 대상의 관련 위치, (ⅱ) 지시, 방향, 감각 및 포커스 공간의 범위, (ⅲ) 참가자의 프로파일, (ⅳ) 개발자 및/또는 참가자에 의해 세트된 소정의 파라미터, (ⅴ) 사회적 파라미터, (ⅵ) 경제적 모델 및, (ⅶ) 상기 및 다른 선택된 파라미터의 조합중 하나 이상을 포함한 선택된 파라미터에 응답한다.  일부 실시예에서, 시스템은 어텐션 성분만을 이용한다.
Patent KR-20010013292-A (KR)
Inventor: CONGELIO CARMEN D
IPC: C09J155/02
Filed: 1998-05-27
Abstract: The present invention relates to a low VOC solvent based adhesive comprising a mixture of at least two organic solvents and a thermoplastic resin. Desirably the adhesive has a flash point of at least 100 °F when measured in accordance with ASTM D3828-87. The solvent blend of the low VOC solvent based adhesive of the instant invention volatilizes at substantially reduced rates as compared to conventional solvent blends in solvent based adhesives. Furthermore, this novel low VOC solvent based adhesive is easy to apply, cost effective, and cures within a reasonable time without the use of heat, ultraviolet light or other mechanical devices. In addition, the novel low VOC solvent based adhesive has good storage stability in metal or non-metal containers.
Patent KR-20010068480-A (KR)
Title: A generator using force of the wind and wave
Inventor: SEO JUNG SOO
IPC: F03B13/12
Filed: 2000-01-06
Abstract: PURPOSE: A power generator by using wind and waves is provided to generate power by using wind and waves on a seashore while improving power generating efficiency. CONSTITUTION: A power generator is formed by a floating body(10) having a storing space unit; a rotating body(20) inserted to the floating body while interposing a rotating shaft(22); a support body(30) installed in the store space unit of the floating body while having a balance support plate(32) and a sub floating body to support the rotating body; and an electricity generating instrument installed in the rotating body and the support body for generating electromotive force. Herein, the electricity generating instrument contains a first power generate unit(40) at upper and lower portions of the support body while installing first and second magnets between bobbins. Thus, power is induced by vertical movement of a shaft. Moreover, a second power generate unit(50) is formed to inducing electromotive force in rotation of the shaft by installing a third magnet in the rotating shaft.
Patent KR-20000024293-A (KR)
Inventor: YUN WI YONG
IPC: F24D3/10
Filed: 2000-02-03
Abstract: PURPOSE: An apparatus for removing gas from a cooling/heating pipe is provided to prevent the corrosion of a pipe and the generation of a scale caused by gas by effectively removing dissolved oxygen, carbon dioxide and the like in the pipe as well as to improve the circulation by expanding water. CONSTITUTION: An apparatus for removing gas is operated by: relaxing the water flowing from a fluid circulating system(1.A5) with gas in the water from the extreme upper part; making the water quiet through an expansion tank and a gas removing tank(1.A1); depositing salts and oxide-floating segments in an area near the bottom of the expansion tank and the gas removing tank; and filtrating the deposits by absorbing the water. Therefore, the apparatus is able to remove the deposits to prevent pipes from corroding.
Patent KR-20010086940-A (KR)
Title: Coupon system operating together internet and mobile network
Inventor: KIM SANG BOK
IPC: G06F17/00
Filed: 2000-03-04
Abstract: PURPOSE: A coupon service system by interworking the Internet and mobile communication networks is provided to combine the Internet with mobile communication data services in offering the coupon services. CONSTITUTION: A coupon service system consists of a registration part(20), a storage part(21), and a receiving part(22). The registration part(20) registering and inputting coupons which a shop issues is comprised of a WAP registration part and a WEB registration part. The storage part(21) standardizes and stores registered coupon information. Generic clients receive coupons at the receiving part(22) through their mobile terminals or computers or ARS.
Patent KR-20000030689-A (KR)
Inventor: HAN HO SEOB
IPC: G01N33/30
Filed: 2000-03-11
Abstract: PURPOSE: A method for measuring simultaneously physical characteristics of diesel oil for vehicle using an infrared absorbtion spectrum is provided to measure physical characteristics of diesel oil by using an infrared absorbtion spectrum. CONSTITUTION: A method for measuring simultaneously physical characteristics of diesel oil for vehicle using an infrared absorbtion spectrum is to measure simultaneously a distillate temperature of 10%, a distillate temperature of 50%, a distillate temperature of 90%, a flash point, a specific gravity, a viscosity, and a cetane index. The method obtains each of the distillate temperature of 10%, the distillate temperature of 50%, the distillate temperature of 90%, the flash point, the specific gravity, the viscosity, and the cetane index by using conditions and methods of tables A to G.
Patent KR-20010087997-A (KR)
Title: Dynamic Bus Allocation Method and System for Multipoint Network using Variable Multipath
Inventor: CHO JIN YOUNG
IPC: H04L5/00
Filed: 2000-03-09
Abstract: PURPOSE: A method for actively allotting bus of multi-point network having variable multi-path and a system the same are provided to improve a reliability and efficiency of a multi-point communication system by making a communication path variable in proper. CONSTITUTION: A serial unit(310) is connected to a multi-point on a common bus and converts a bit stream of transmission information into series. A modulation unit(320) modulates the serial output(321) into a transmission clock. A comparison unit(350) and an arbitration control unit(340) compare a bus signal(1) with a self output signal(331), detect and control a discordance of signal. A bus interface unit(330) inputs a bit stream(381) and performs a wired OR operation.
Patent KR-20010029597-A (KR)
Inventor: GAN HONG
IPC: H01M6/16
Filed: 2000-03-16
Abstract: PURPOSE: A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. CONSTITUTION: The benefits are realized by the addition of at least one dicarbonate additive to an electrolyte comprising an alkali metal salt dissolved in a solvent mixture that includes ethylene carbonate, dimethyl carbonate, ethylmethyl carbonate and diethyl carbonate. The preferred additive is an alkyl dicarbonate compound.
Patent KR-20010092070-A (KR)
Title: Skin elasticity-improving cosmetic composition comprising Chestnut inner bark extract and Malt extract
Inventor: CHO BYEONG GI
IPC: A61Q19/08
Filed: 2000-03-20
Abstract: PURPOSE: Provided is a cosmetic composition containing extracts of chestnut skin and malt and inducing and having improving effects on cell growth, integrin synthesis, and melanin synthesis, thereby strengthening bindability between cells and improving skin texture. CONSTITUTION: The composition contains 0.05-10.0, preferably 0.1-5.0 wt.% of chestnut extract and 0.05-10.0, preferably 0.1-5.0 wt.% of malt extract based on total dry weight of cosmetic composition. Wherein, chestnut skin and malt can be extracted by individually dipping them in 10-90% aqueous ethanol solution at 4-40 deg.C for 1-15 days. The composition can be formulated as tonic, cream, essence, cleaning foam, cleaning water, facial mask pack, body oil, foundation, lipstick, mascara, makeup base, shampoo, hair conditioner and the like.
Patent KR-20010092147-A (KR)
Title: Apparatus for CVD and inner cleaning method thereof
Inventor: HWANG CHEOL JU
IPC: C23C16/00
Filed: 2000-03-21
Abstract: PURPOSE: A CVD(Chemical Vapor Deposition) system and a method for cleaning the inside thereof are provided which solves existing problems of difficult cleaning of the lower part of a susceptor and severe physical damage inside a vacuum chamber by having remote plasma well covered even in the shadow area such as the lower space of the susceptor, where it is difficult to form plasma. CONSTITUTION: In a CVD system equipped with a vacuum chamber(111) which provides a reaction space isolated from the outside and is electrically grounded; a susceptor(121) which is installed in the vacuum chamber(111) so that it is spaced apart from the bottom surface of the vacuum chamber(111) in a certain distance and is electrically grounded; a plasma electrode(131) for generating and maintaining plasma inside the vacuum chamber(111); and an RF power generator(141) supplying RF power to the plasma electrode(131), the CVD system further comprises a remote plasma generator(161) installed outside the vacuum chamber(111) for generating a separate remote plasma which is different from plasma generated inside the vacuum chamber(111); and a remote plasma inlet pipe(171) one side end of which is connected to the remote plasma generator(161) and other side end of which is inserted into the bottom surface of the vacuum chamber(111) so as to flow plasma generated from the remote plasma generator(161) into the vacuum chamber(111).