baber/WOPTO huggingface dataset:
Patent KR-20000010712-A (KR)
Title: Induction motor controller
Inventor: KAITANI TOSHIYUKI
IPC: H02P21/20
Filed: 1997-03-11
Abstract: PURPOSE: An induction motor controller controls the drive of a polyphase induction motor by means of a polyphase inverter by measuring the electrical constants of the motor (102) by supplying test power and using the results of the measurement as drive control parameters. CONSTITUTION: The controller has a first arithmetic means (106) which computes resistances (R2) of the secondary wiring and leakage inductance (L) corresponding to various conditions of a test using a test power source of three different frequencies (f) and a second arithmetic means (107) which finds a rational function containing a quadratic expression with respect to the frequency (f) by substituting the values of the resistances (R2) and inductance (L) corresponding to the test conditions into the rational function having the resistances (R2) as denominators and the inductance (L) as numerators and finds the resistances (R2) and inductance (L) by substituting a required secondary slip frequency into the rational function.
Patent KR-20000016609-A (KR)
Title: Absorbent article with acquisition zone
Inventor: TROMBETTA LIBERATORE ANTONIO
IPC: A61F13/15
Filed: 1997-06-10
Abstract: PURPOSE: A disposable absorbent article such as an incontinence pad is provided for absorbing and containing large volumes of body liquids rapidly without leakage, especially a subsequent gush of liquid. CONSTITUTION: The disposable absorbent having the central region includes a liquid pervious topsheet, a liquid impervious backsheet joined to the topsheet, an absorbent core positioned between the topsheet and backsheet, and is disposed a pair of end regions and between the end regions. The central region includes a pair of spaced apart longitudinal side portions and a central portion disposed between the longitudinal side portions. The portion of the acquisition component with the central region provides at least about 50 % of the total void volume of the absorbent article. The resilient absorbent members are arranged in a longitudinally spaced relation to each other between the acquisition component and the topsheet. The absorbent article has a total absorptive capacity. The central region provides at least about 50 % of the total absorptive capacity and the longitudinal side portions provide at least about 70 % of the central regions absorptive capacity.
Patent KR-20000022548-A (KR)
Title: Water treatment device and method
Inventor: HOLCOMB ROBERT R
IPC: C02F1/04
Filed: 1997-06-27
Abstract: PURPOSE: A device that will accomplish the function of providing at the point of use a water treatment system that can convert any water into microbe free, chemical free, chlorine free, pleasant tasting, soft, mineral repleted water for the whole house or other establishment and manufacture of thereof is provided. CONSTITUTION: A computer monitored and controlled system for degassing, superheating and exploding water into a vacuum chamber (20), in which instant steam results. The steam is condensed in a chilled countercurrent brine apparatus (30), stored in a holding tank (31) containing ultra violet light and is evacuated to the point of use by a booster pump (32) flowing through a mineral repleting column (33) and a carbon filter for freshness and the assurance of the absence of off taste.
Patent KR-19990067740-A (KR)
Title: 원격 안테나 정렬 방법 및 장치
IPC: H01Q3/34
Filed: 1999-01-06
Abstract: 본발명은 위성으로부터 디지털 텔레비전 신호들을 수신하는 원격 위성 접시 안테나 설정 장치에 관한 것이다. 이를 위하여 본발명은 신호 세기, 신호의 질, 심볼레벨을 결정하는 정렬 검출기를 포함하여 구성된다. 본발명에 따른 장치에서, 수신된 신호는 안테나로부터 동축 케이블을 통하여 텔레비전 수신기로 전송되고, DC 전원은 안테나와 함께 있는 집적수신기 디코더(Integrated Receiver Decoder)를 동작시키기 위하여, 상기 텔레비전 수신기에서 동축 케이블을 통하여 공급된다. 신호세기 신호, 신호 질의 신호 및 심볼레벨 정렬 신호는, 엔코드되고 상기 DC 전원에 변조신호들로서 부가되어 상기 케이블을 통하여 다시 상기 안테나 쪽으로 공급된다. 그러면, 상기 공급된 신호들은 안테나가 설치된 곳에서 디코드 되어, 사용자와 설치기가 최상의 신호를 수신하도록, 안테나를 최적의 위치로 설정할 수 있게 디스플레이를 생성한다.
Patent KR-20000056400-A (KR)
Inventor: YUN SOK YOUNG
IPC: F41H1/02
Filed: 1999-02-20
Abstract: PURPOSE: A protective clothing for human body is provided, which has a sufficient protect capability with a light weight and a good feeling of wear with a flexible adaptation to any movement of the upper body. CONSTITUTION: In a protective clothing for human body, a disposition portion(4) for arranging protective plates is provided in a body protect area(30) of a clothing. A protective portion for protecting human body is constituted by mounting protective plate mounting members(10), in which the protective plates(9) are mounted, on a substrate(8) provided on the body protect area(30) in a surround direction of a body and an up and down directions. The protective plates(9) are mounted to be freely moved about the substrate(8) by supporting and mounting the upper portions of the protective plate mounting members(10) on the substrate(8). The lengthwise protective plate(9) is arranged such that a lower portion of the protective plate(9) provided on the upper side of the body protect area(30) covers an upper portion of the protective plate(9) provided on the lower side of the body protect area(30). Accordingly, the protective clothing protect the human body from bullet, knife edge, and a broken piece of any explosives.
Patent KR-20000056469-A (KR)
Inventor: AHN BYUNG HA
IPC: B64D1/18
Filed: 1999-02-22
Abstract: PURPOSE: An airship system for drug scattering and method of drug scattering of airship is provided to evenly spread drugs with no human being by an airconditioner controllable the altitude thereof and a type of supersonic noises nozzle. CONSTITUTION: An airship system for drug scattering and method of drug scattering of airship has an airconditioning device(6), an altitude controlling device(7), a drug spraying device(8) and a main controlling device(10). The airconditioning device(6) controls the floating force of a ship by controlling the air pressure of an auxiliary air bag(2). The altitude controlling device(7) controls the altitude by using an air supply of the airconditioning device(6). The drug spraying device(8) controls the quantity of the drug being sprayed, particularize and sprays the drug. The main controlling device(10) has a sensor portion(9) for measuring the air pressures of the auxiliary air bag(2) and a nozzle, and a microprocessor for controlling the air conditioning device(6).
Patent KR-19990078268-A (KR)
Title: 브룸용 와이어 보유 기구
IPC: A47L13/38
Filed: 1999-03-25
Abstract: 와이어 보유 기구를 갖는 브룸(broom) 제조용 구성 요소로서 이용하기 위한 브룸 허브(hub)가 제공된다.  일반적으로, 브룸은 손잡이와, 이로부터 연장하는 다수의 모(bristle)와, 모를 손잡이에 결합시키기 위해 모 주위에 권취된 와이어를 구비한다.  특히, 본 발명의 브룸 허브는 손잡이와 이 손잡이 상에 배치된 와이어 보유 기구를 수납하기 위한 슬리브를 구비한다.  양호하게는, 와이어 보유 기구는 이 와이어를 쥘 수 있도록 구성된다.  그러므로, 모는 브룸 허브와 와이어 사이에서 손잡이에 결합된다.
Patent KR-20000065430-A (KR)
Inventor: LEE U YEONG
IPC: G11C11/408
Filed: 1999-04-03
Abstract: PURPOSE: A semiconductor memory device is provided to realize a high speed operation based upon optimizing a writing time of a memory cell, and to automatically determine the cycle of refreshment in order to realize low power consumption. CONSTITUTION: A semiconductor memory device realizes a high speed operation by optimizing the internal operation time and also realizes the low power consumption by performing the refresh cycle determination automatically, by controlling the data writing operation of a memory cell by adjusting the activation timing of a column selection signal (Yi) and the refresh cycle by comparing a potential of a cell capacitor node with a potential value desired to be stored in the cell. The semiconductor memory device comprises: a potential detection unit(110) detecting data potential stored in the memory cell; a comparison unit(120) comparing the potential measured from the potential detection unit with a reference comparison signal desired to be stored in the memory cell and applied to another input terminal; and a control unit(130) controlling the data potential stored in the memory cell by adjusting the activation timing of the column selection signal by receiving an output signal of the comparison unit.
Patent KR-20000065885-A (KR)
Inventor: KWON HO SEOK
IPC: C07D403/06
Filed: 1999-04-10
Abstract: PURPOSE: Pyrimidinedione derivatives having high antiviral activity against HIV-1 and low toxicity are provided which are expected to be useful for treating AIDS. CONSTITUTION: A compound of formula (1) or pharmaceutically acceptable salt thereof and process for the preparation thereof are described. In formula, R is cyclopropyl; cyclobutyl; cyclohexyl; phenyl substituted or nonsubstituted with hydroxy, C1-C4 alkyl, C1-C4 alkoxy, halogen, nitro, cyano or C1-C4 alkyl substituted amino by a single, double or triple; C1-C4 alkyl, C1-C4 alkoxy or halogen substituted or nonsubstituted pyridinyl; oxyran; 2 or 3- tetrahydrofuran; 2, 3 or 4-tetrahydropyran; 2, 3, 4, 5 or 6-3,4-dihydro-2H-pyran; 2 or 4-dioxolane; 2,4 or 5-1,3-dioxane; C1-C4 alkyl, C1-C4 halogenated alkyl or phenyl substituted or nonsubstituted carbonyl; R1, R2, R3, R4 and X are defined in the description
Patent KR-20000066381-A (KR)
Inventor: PARK GI SU
IPC: B01D46/00
Filed: 1999-04-16
Abstract: PURPOSE: A dust-removing apparatus capable of improving dust removing efficiency, increasing economical efficiency by reducing pressure drop in a cyclone, allowing no accompanying equipment such as special blowers and additional conduit tubes to need for absorbing objective gases containing dusts and integrating conventional dust removing processes is provided which reduces space, operation cost and initial investment cost. CONSTITUTION: The apparatus comprises a straight flow cyclone comprising an absorption fan(14) for absorbing dust-containing gas through an absorption conduit tube(11), a rotary bane(16) for generating rotary force at the absorbed gas by the absorption fan and a cylindrical body conduit tube(18) for separating dust-containing gas rotated by the rotary bane by centrifugal force; a standard cyclone(30) comprising a cylindrical conduit tube for separating dust from the dust-containing gas and depositing into a dust sedimentation tank(39) and a cylindrical conduit tube connected to the lower part of the cylindrical conduit tube and opened toward the dust sedimentation tank at its lower part.
Patent KR-20000066734-A (KR)
Inventor: SEO SEOK HO
IPC: G11C16/00
Filed: 1999-04-20
Abstract: PURPOSE: An auto program apparatus and method of a flash EEPROM are provided which monitors a current flow in a flash memory cell by accelerating the program speed and also can be operated with a low power by lowering a high voltage source to maintain a bit line voltage. CONSTITUTION: An auto program apparatus improves the program speed rather than a program method by the repetition of applying and monitoring program pulse, and also can solve the lowering of the program speed by a voltage drop when a current flow in the flash memory cell selected in an initial stage of program is high. The auto program apparatus comprises: a memory array(100) comprising a plurality of flash cells selected by a plurality of word lines and bit lines; a bit line selection part(200) selecting one bit line by a bit line selection signal among the plurality of bit lines; a bit line regulation part(300) maintaining a voltage of the bit line constantly selected by the bit line selection part during the flash cell programming; a reference current generation part(400) generating a reference current which determines the end point of the program; a sense amp(500) sensing the current flow in the bit line and comparing the sensed current with the reference current, and then outputting a sensing signal; and a data latch and control part(600) to block the voltage applied to the bit line by the output signal of the sense amp.
Patent KR-19990083531-A (KR)
IPC: A23G3/42
Filed: 1999-04-27
Abstract: 수분함량과 경도가 비교적 높은 하아드 캔디(hard candy) 및 그 제조방법을 제공한다. 
     그 수분함량은 약 3.5%∼약 10%이고, 그 경도는 레오메터로 측정한 관입강도(penetration strength)로서 4.0kg 이상이다. 
     이 하아드 캔디는 투명성이 비교적 높고, 치아에 달라붙지 않으며 치아에 대한 자극이 없다는 특징을 가지고 있다.
Patent KR-20000073795-A (KR)
Inventor: KIM HAN SEONG
IPC: H01L21/22
Filed: 1999-05-14
Abstract: PURPOSE: A method for manufacturing a metal layer of a semiconductor device is provided to effectively prevent a reaction gas containing an F radical existing in a CVD(Chemical Vapor Deposition) process chamber from contaminating a semiconductor substrate. CONSTITUTION: When a semiconductor substrate is loaded to a zero station, argon gas and hydrogen gas are sprayed on the zero station, so that a reaction gas containing an F radical in a CVD(Chemical Vapor Deposition) process chamber is prevented from contaminating the semiconductor substrate.
Patent KR-20000074524-A (KR)
Inventor: LEE DU U
IPC: H01G4/30
Filed: 1999-05-21
Abstract: PURPOSE: An automatic sheet stacking apparatus is provided to be capable of reducing the cost of products and of increasing the productivity according an automatic cover supply. CONSTITUTION: An automatic sheet stacking apparatus comprises a film fetch unit(10), a sheet transfer unit, a sheet stack unit(30), and a cover supply unit(40). The sheet transfer unit has a first transfer block(23) and a second transfer block(24). A cutter(23d), which is operated by a cutting cylinder(23c), is integrated only with the first transfer block(23). The sheet stack unit(30) has a press(31) provided at a rear side of the film fetch unit(10). The cover supply unit(40) is provided at a rear side of the sheet stack unit(30), and consists of a bottom cover supplying part, a top cover supplying part, a product bleed part, and a driving part.
Patent KR-19990068719-A (KR)
Filed: 1999-06-14
Abstract: 본 발명은 원적외선을 방사하는 광물질 소재의 장신구 용품 표피에 금 또는 은 피막층을 접합시키는 성형방법에 관한 것으로써, 특히 인체에 유익한 원적외선 방사 및 생체활성화, 노폐물제거, 공해물질 흡착기능, 냄새제거등의 효과를 지닌 광물질을 장신구 용품 및 장식품으로 가공하여 그 장식 표면에 더욱 미려하게 하고 상품의 부가가치를 높일 목적으로 금 또는 은 소재로 표면 피막층을 접합시킨 원적외선을 방사하는 광물질 소재의 장신구용품 표피에 금 또는 은 피막층을 접합시키는 성형방법에 관한 것이다. 
     우선, 원적외선을 방사하는 광물질을 원하는 형상 및 그 형상에 입체 패턴을 조각 성형하여 장신구 용품 또는 장식품의 형태를 갖추어 그 소재면 표피 면에 건식도금방법인 물리증착도금(진공증착, 스파터링, Ion Plating)에 의해 광물질 표피 면에 도전성을 부여한 후에, 습식도금방법(공지의 무전해도금, 전기도금)에 의해 금 또는 은 소재의 금속피막층을 형성하여 그 금속피막층을 광택 가공한다. 이러한 원적외선을 방사하는 광물질의 장신구 또는 장식품 표피 면에 금 또는 은 소재로 도금 처리하여 더욱 미려한 장식효과와 아울러 상품가치를 높여주는 고부가가치의 장신구 용품 및 장식품을 제공하는 것이다.
Patent KR-20010004034-A (KR)
Inventor: SHIN WON HO
IPC: H01L27/04
Filed: 1999-06-28
Abstract: PURPOSE: An electrostatic discharge prevention structure of a semiconductor device is to prevent an electrostatic fail from generating at a drain contact part adjacent to a pad. CONSTITUTION: An active region(201) is formed on a semiconductor substrate. At least one gate electrode line(203) is arranged in the same interval on the active region to cross the active region. A source and drain region(S,D) are formed at the active region on the both sides of the gate electrode line. A pad(207) is arranged on one side of the active region. A metal interconnection(209) connects the pad and the drain region, and includes the drain region and a plurality of contact parts(CT1-CTn). The plurality of contact parts is formed so that contact resistance within the contact parts are gradually reduced when they become more distant from the pad. The plurality of contact parts are formed so that their sizes are increased when they become more distant from the pad.
Patent KR-20010008557-A (KR)
Inventor: LEE GEUN IL
IPC: H01L21/66
Filed: 1999-07-02
Abstract: PURPOSE: A method for forming a step difference measuring pattern of an element isolation layer is provided to easily measure a step difference of an element isolation layer by forming a step difference measuring pattern including many element isolation layers. CONSTITUTION: A pad oxide layer and a nitride layer are deposited on a semiconductor substrate of a cell area, and is masking-etched, thereby forming a trench. A gap filling oxide layer is deposited in the trench, and an element isolation layer(55) is formed by a polishing process. When forming the element isolation layer in the cell area, a plurality of step difference measuring patterns(A) are formed on a semiconductor substrate of a scribe line area. The step difference measuring pattern is arranged with an element isolation layer at a predetermined interval, the element isolation layer is formed to have a constant horizontal length and a constant vertical length.
Patent KR-19990073331-A (KR)
Title: 가열열매체유를이용한고무패드(방진방음)양산숙성장치
Filed: 1999-07-02
Abstract: 본 발명은 폐타이어 칩과 같은 재생가황 고무재질의 분말을 고온압축하여 고무패드를 성형하는 장치에 관한 것으로서, 폐타이어 고무분말을 바인더와 혼합하여 이를 금형에 넣고 이를 압축한 후에, 이 금형틀을 그대로 유지한 상태에서 열매체유를 이용한 간접가열방식의 서랍형 가열로에 삽입하여 일정시간동안 숙성시켜 고무패드 형태로 성형을 완성하는 방식이다.  본 발명은  전기를 이용한 가열방법에 비해 생산단가를 혁신적으로 낮출수 있으며, 또한 고온·가압 상태를 유지시키는 프레스열판에서 숙성시간을 기다리는 기존의 저효율을 탈피하였다. 프레스는 연속적으로 금형틀을 프레싱하면서 열매체유로 가열한 숙성로 다단식 서랍형태에 미리 넣어 20-30장 이상을 한꺼번에 15-20분간 숙성시킴으로서 저렴하게 대량생산을 하는 획기적인 방법이다. 이것은 간단한 설비로 대량생산이 가능하게 하여 고무공업에 새장을 여는 발명의 장치이다.
Patent KR-20010016656-A (KR)
Inventor: CHO SEONG HUN
IPC: H01L21/66
Filed: 1999-08-02
Abstract: PURPOSE: An apparatus for analyzing a wafer defect is provided to reduce errors in analyzing a wafer defect, by measuring a bulk micro defect and electron life time in one equipment and without moving a wafer. CONSTITUTION: A wafer stage(10) has a fixing unit for fixing a wafer, and is capable of moving in x, y and z axes. A laser gun(22) for measuring a bulk micro defect irradiates a laser beam of 1.0 micrometer in wavelength toward the wafer set in the wafer stage, capable of moving forward and backward. A laser gun(24) for measuring life time irradiates a laser beam of 904 nanometer in wavelength toward the wafer set in the wafer stage. A camera(32) receives the laser beam for measuring the bulk micro defect reflected from a measuring point of the wafer and generates image data for the bulk micro defect analysis. A detector(34) receives the laser beam for measuring the life time permeating the measuring point of the wafer, and coverts the laser beam for the life time measurement to data of current value for measuring life time of electrons.
Patent KR-19990078875-A (KR)
Title: 유압 피스톤식 무진동 무소음 암반절개기
IPC: E21C37/00
Filed: 1999-08-16
Abstract: 본 발명은 유압 피스톤식 무진동 무소음 암반절개기에 관한 것으로서, 그 하면이 호형상으로 형성되며, 상면에는 다수의 실린더실(11)이 형성되고, 일측면에는 실린더실(11)에 연통되어 오일이 유입 및 배출되도록 된 제 1, 2 오일통로(53)가 형성된 하우징(10)과, 상기 하우징(10)의 실린더실(11)에는 탄성부재(20)를 매개로 삽입되어 장,탈착가능하게 체결.고정되며, 다수의 로드(31,32,33)로 이루어져 길이변환되면서 오일의 흐름을 제어하도록 된 피싱로드(30)와, 상기 피싱로드(30) 상단의 실린더실(11)에 삽입되어 장,탈착가능하게 체결.고정되며, 그 내주면과 외주면에 기밀유지를 위한 다수의 링이 구비된 중공의 실린더(50)와, 상기 실린더(50)내에 삽입되어 승강되고, 그 하단에는 피싱로드(30)의 일측이 면접촉되며, 외주면에는 기밀유지를 위한 다수의 링이 구비된 피스톤(40)과, 상기 피스톤(40)의 상면에 그 내측면이 면밀착되며, 피스톤(40)과 같이 승강되면서 그 전면이 암반에 접촉되도록 호형상으로 형성된 캡(70)을 포함하여 이루어진 암반절개기(2)를 형성한 것을 특징으로 하여 실린더의 파손시 파손된 실린더만 교체하면 되므로 작업능률이 향상되고, 장비유지비가 절감되며, 또한 캡에 의해서 암반과의 접촉면적이 캡의 전면으로 증대되어 할암력을 종래보다 극대화시킬 수 있는 효과가 있다.
Patent KR-20010018430-A (KR)
Inventor: KIM JEONG BAE
IPC: F25D23/00
Filed: 1999-08-19
Abstract: PURPOSE: A refrigerator is provided to improve the keeping property of food by collectively cooling a fridge and a refrigerator with one evaporator and separately operating the evaporator to fit for the fridge and the refrigerator. CONSTITUTION: A refrigerator comprises a cooling chamber to individually connect with a fridge and a refrigerator; an evaporator(5) in the cooling chamber; a blowing fan for the fridge(21) and a blowing fan for the refrigerator(22) in the evaporator; a cold air returning passage(11) for the fridge and the refrigerator in a barrier(10); and a damper(30) in the cold air returning path to isolate the fridge from the refrigerator individually. The fridge and the refrigerator maintain proper temperatures by separately operating the fridge and the refrigerator. The keeping property of food is improved by preventing a partial overcooling of the refrigerator. Power consumption is improved by circulating the refrigerator with returned cold air from the fridge.
Patent KR-20010019332-A (KR)
Inventor: PHILIP ROBERTS
IPC: C07C69/708
Filed: 1999-08-26
Abstract: PURPOSE: A production of methylmethoxy propionate is provided as a valuable solvent to dissolve different solutes generated in semiconductor fields or paint application. CONSTITUTION: A method for producing methylmethoxy propionate comprises using methanol and methylacrylate as a start material to obtain high yield of product. The start material is reacted under the presence of reacting catalyst, that is alkaline metal alkoxide. The resulted material is added with acid to neutralize the reaction catalyst. The reaction process is exothermic reaction and preferably carried out at 40-70 deg.C. The method can include distillation step after the neutralization process to raise the purity of methylmethoxy propionate contained in reacted acid solution.
Patent KR-20010019773-A (KR)
Inventor: HONG WON HUI
IPC: H01M10/42
Filed: 1999-08-30
Abstract: PURPOSE: A method for predicting charging ability of lead acid battery is provided to charge battery within a short time period without causing damage to the battery. CONSTITUTION: A method comprises the step(10) of reading, from the discharged battery, data for electrolyte concentration, porosity of electrode, current density, and voltage for solid and liquid phase; the step(11) of determining charging current from the capacity of the battery and determining charging pulse duration, rest period, and size and duration of depolarization pulse; the step(12) of starting calculation loop; the step(13) of performing charging sub-program; the step(17) of comparing the battery voltage and a threshold value(Vcut-off); the step(19,20) of storing the result and ending the procedure if the battery voltage is higher than the threshold value; the step(14-16) of sequentially calculating a rest I sub-program, a depolarization sub-program, and rest II sub-program; and the step(18) of increasing charge cycle.
Patent KR-19990084116-A (KR)
Title: 저온소성방식으로 세라믹히터를 제조하는 방법
IPC: C04B35/74
Filed: 1999-09-15
Abstract: 본 발명은 1400℃ 이하의 온도에서 메탈라이징 페이스트(metallizing paste)를 제조하기 위해 액상 소결조제인 은, 구리 및 니켈 등을 소량첨가하므로써 텅스텐계의 중합금의 소결시 텅스텐의 소결을 활성화시켜 저온소성방식으로 세라믹히터를 제조하는 방법에 관한 것으로서, (60-85)Al 2 O 3 -(6-31)장석-(2-5)CaO-(2-5)SiO 2 -(2-5)MgO 중량％로 이루어진 세라믹기판의 조성물과 (50-91)텅스텐-(3-37)몰리브텐-(2-5)니켈-(2-5)은-(2-5)구리 중량％로 이루어진 메탈라이징 페이스트의 조성물을 혼합한 후 세라믹 적층 및 동시소성을 이용하여 1200 내지 1500℃의 온도에서 제조되는 것을 특징으로 한다.
Patent KR-20010027829-A (KR)
Inventor: HIRO TANAOKI
IPC: B21B38/00
Filed: 1999-09-16
Abstract: PURPOSE: A trouble checking device for a rolling mill is provided to reduce the reject rate of a steel plate and to enhance quality and an actual yield rate at the same time by automatically informing an operator of a trouble. CONSTITUTION: A checking device for the trouble of a rolling mill comprises a data collecting unit (102) collecting work data during a rolling; a quality examining unit (103) examining the quality of a steel plate using the data; a trouble searching unit (104) searching the portion of the trouble and the sort of the trouble over the entire of a coil; and a first and a second checking unit (105,106) predicting the factor of the trouble using the data. Further, the checking device contains a threshold value unit (107). Then, the checking device checks the trouble per area classified by the moving speed of a steel plate and selectively checks the factors of the trouble so that the trouble of the rolling mill is checked rapidly and accurately.
Patent KR-20010036649-A (KR)
Inventor: OH JONG HAN
IPC: B60K6/42
Filed: 1999-10-11
Abstract: PURPOSE: A driving device of hybrid electric motorcar evenly distributes power to four wheels by installing power transmission system of a driving motor on rear wheels to improve the layout inside of an engine room and cooling efficiency and varies driving sources according to the driving condition to improve the efficiency of transmitting power of the engine. CONSTITUTION: A driving device comprises a CVT(Continuous Variable Transmission, 3), an engine(4) and a driving motor(7). When the engine torque is larger than the wheel torque, a first clutch(6) is deactivated and a second clutch(11) is activated to change driving mode into four-wheel drive. When the engine torque is smaller than the wheel torque, the first clutch(6) is activated and the second clutch(11) is deactivated to change driving mode into two-wheel drive.