baber/WOPTO huggingface dataset:
Patent KR-20000066881-A (KR)
Inventor: KIM WAN HA
IPC: B41J11/42
Filed: 1999-04-21
Abstract: PURPOSE: An apparatus for preventing jam of a wet electrophoto printer is provided to increase cleaning efficiency and prevent jam generated in the printer. CONSTITUTION: An apparatus for preventing jam of a wet electrophoto printer includes a transfer roller(34) adhered closely to a photosensitive medium32 and receiving the transfer of toner image on the photosensitive medium with rotating by the circular traveling of the photosensitive medium; a feeding roller(40) driven by the transfer roller and a cleaning roller(44) for feeding a paper passing between the transfer roller and a fusing roller(36) to an output path; and the cleaning roller driven by the transfer roller and the feeding roller being simultaneously contacted with the transfer roller and the feeding roller, and planarizing foreign matters of the surface of the transfer roller transferred when the rollers contacting by the difference of surface energy by using the feeding roller.
Patent KR-19990064831-A (KR)
Title: 반경 전선관의 용접 시공방법
IPC: H02G9/06
Filed: 1999-05-12
Abstract: 원통형 피부시관을 길이방향으로 절단하여 절단면을 경사지게 연마한 다음 전선을 내장한후 경사진 V자형 부위를 동일 재질의 피부시로 가열 용접하므로써 재료의 절감은 물론 시공비 및 시공시간의 단축등의 효과를 얻을 수 있는 것이다.
Patent KR-19990088600-A (KR)
Title: 플라즈마처리장치및플라즈마처리방법
IPC: H05H1/46
Filed: 1999-05-27
Abstract: 본 발명은 반응기 내부의 온도와 벽면에 대한 반응성 생물의 퇴적상태를 제어하여, 에칭특성에 경시적인 변화를 생기게 하는 일 없이 공정의 재현성·신뢰성을 장기간에 걸쳐 저비용으로 유지할 수 있는 플라즈마 처리장치를 제공한다. 
     이를 위하여 처리실(l00)내에 설치된 UHF대 안테나(110)로부터 방사되는 전자파와, 처리실(100)의 주위에 설치된 자장 형성수단(101)으로 형성되는 자장과의 상호작용에 의해 처리실내부에 플라즈마를 발생하여 웨이퍼(W)를 처리하는 플라즈마 처리장치에 있어서, 처리실(100)의 측벽(102)에 재킷(103)이 교환가능하게 유지되고, 측벽내면의 온도를 웨이퍼보다도 충분히 낮은 온도로 일정하게 제어한다.   또 반응기내부에서 바이어스 인가가 가능한 구성부품인 링(116), 시료대 링(132)에 관해서는 그 적어도 일부분에 바이어스가 인가되는 구조를 설치하고, 또한 부품전체의 열용량을 충분히 작게 한다.
Patent KR-20010010121-A (KR)
Inventor: KIM JONG MIN
IPC: F04B49/00
Filed: 1999-07-16
Abstract: PURPOSE: An automatic precooling control system is provided to prevent damage to the pump and waste of liquid oxygen by automatically precooling the liquid oxygen pump and boosting up the discharge pressure of the liquid oxygen in a stepwise manner. CONSTITUTION: A system comprises pump inlet/outlet valves(4,5) arranged at the inlet and outlet of a liquid oxygen pump(2) and which control the flow amount introduced from a liquid oxygen tank(1) and discharged from the pump; an automatic precooling control unit(50) for controlling the extent of opening of pump inlet/outlet valves in such a manner that liquid oxygen is supplied sequentially to the liquid oxygen pump when a drive start signal of the liquid oxygen pump is input, so as to precool the liquid oxygen pump; temperature detectors(11,12) for detecting inlet and outlet side temperature of the liquid oxygen pump, respectively; a precool completion judging unit(30) for receiving the temperature of the pump inlet and outlet side from the temperature detector, and judging whether the precool operation is completed or not in accordance with the temperature difference between the inlet side and the outlet side; and a pump driving unit(40) for driving the liquid oxygen pump to pump and discharge the liquid oxygen when it is judged that the precool operation is completed.
Patent KR-20000016979-A (KR)
Inventor: RICHARD FRANCHESCO
IPC: C21C5/38
Filed: 1999-07-29
Abstract: PURPOSE: Remaining impurities in combustion gas cause problems such as reduced efficiency of IDF, unpredictable stop of steel plant, cost of maintenance, and cost of part exchanging. CONSTITUTION: Cation surfactant has at least one quarternary ammonium containing at least one radical selected from alkyl, alkylaryl, or etherocyclo and the radical has alkyl chain of C8-C18 and bonds to nitrogen. Active component of the composition is 15-16 % in weight. This cation surfactant can be dispersed into a dust collector which is located upper part of the fan to reduce the problems such as reduced efficiency of IDF.
Patent KR-19990083645-A (KR)
Filed: 1999-07-29
Abstract: 본 발명은 간헐폭기와 평판형 정밀여과 분리막을 이용하여 유기성 오·폐수의 유기물 및 영양 염류인 질소·인 처리를 경제적이고 효율적으로 처리하는 방법을 제공하는 것을 목적으로 한다. 
     본 발명은 유입 오·폐수를 스크린을 통과시키고, 그 처리수를 간헐폭기형의 제 1반응조에 유입시켜 질산화와 탈질화를 유도하고, 제 1 반응조의 처리수를 평판형 정밀여과막(microfiltration)으로 이루어진 여과막 모듈이 침지된 제 2반응조에 유입시킨 다음, 막세정공기로써 폭기한 후, 여과 막에 의해 처리된 처리 수를 자연압에 의해 배출시키고 제 2반응조의 질산화 된 혼합액을 유입수의 2.5배 유량으로 제 1반응조에 반송시키는 것을 특징으로 하는 유기성 오·폐수를 효율적으로 처리하는 방법이다. 본 발명은 제 1반응조를 간헐폭기식으로 운전하므로 영양물질 제거효율이 좋을 뿐아니라 평판형 분리막을 사용함으로 매우 경제적이고 세정이 간편하며, 자연압하에서 간헐흡인 운전으로 막 오염의 최소화가 가능하다.
Patent KR-20010017773-A (KR)
Inventor: CHUN JANG SEONG
IPC: B25J9/02
Filed: 1999-08-13
Abstract: PURPOSE: A cooling apparatus is provided to cool a heat generated from a coil block by introducing air through holes defined in X and Y axis linear motors moving across X and Y-axis planes. CONSTITUTION: Through-holes(13,23) are formed in stators(11,21) and movers(12,22) of X-axis linear motor(10) and Y-axis linear motor(20) to introduce air across surfaces of the coil blocks(12a,22a) of the movers(12,22) to cool the heat generated from the coil blocks(12a,22a). The X-axis linear motor(10) is coupled with the Y-axis linear motor(20) by an X-axis frame in an XY gantry. As the linear motors(10,20) move across the X and Y-axis planes, the coil blocks(12a,22a) generate a heat, and the through-holes(13,23) opened from one side of a frame to the other side of the frame to form air passages. Then, air is introduced through the air passages of the through-holes(13,23) into the linear motors(10,20) to cool the linear motors(10,20).
Patent KR-20010027622-A (KR)
Inventor: KIM SEONG HEON
IPC: C23C8/38
Filed: 1999-09-14
Abstract: PURPOSE: A method for treating surface of dies for forging is provided to overcome limitation of forms by uniformly hard treating dies for forging through micropulse plasma treating, increase an overall life cycle of dies by improving abrasion resistance, and improve impact resistance by plasma heat treating after the nitriding process. CONSTITUTION: The method for treating surface of dies for forging comprises the processes of sputtering process forming plasma around the dies for forging charged into a vacuum furnace, and sputtering and heating surface of dies using hydrogen gas and argon gas, nitriding process using bipolar micropulse plasma so that nitrogen gas is diffused into dies and glowing process for decomposing a nitrogen compound formed on surface of the nitrified dies and diffusing into the dies. The method additionally comprises oxidizing process forming a Fe3O4 oxide film on surface of dies by supplying vapor into a furnace after the glowing process.
Patent KR-20010028283-A (KR)
Inventor: HAN GWANG HEUM
IPC: C23C2/00
Filed: 1999-09-20
Abstract: PURPOSE: A method for restraining formation of metal dusts in a snout of a hot dipped metal plating line is provided to restrain generation of metallic dusts in the snout, and restrain occurrence of flaking, bare spot or defects of product surface by artificially controlling gas environment and infusing the gas into the snout so that a ratio of hydrogen to vapor is less than 4:1, and a vapor content has a dew point of -40 to -5 deg.C. CONSTITUTION: The method for restraining formation of metal dusts in a snout of a hot dipped metal plating line comprises the process of infusing an environment gas into the snout so that a ratio of hydrogen to vapor is less than 4:1, and a vapor content has a dew point of -40 to -5 deg.C so as to restrain formation of metallic dusts inside the snout, an area where a material plated is led into a plating bath carried port as an area which connects a reduction annealing furnace of a plating line with a port during hot dipped metal plating.
Patent KR-20010036676-A (KR)
Inventor: LEE JAE HUN
IPC: H04N3/185
Filed: 1999-10-11
Abstract: PURPOSE: A monitor system having horizontal deviation voltage and high voltage stabilizing circuits using a pulse width modulation method is provided to applied to a monitor with a high quality by dividing a horizontal deviation voltage stabilizing circuit and a high voltage stabilizing circuit and inserting the horizontal deviation voltage stabilizing circuit and the high voltage stabilizing circuit into a synchronous signal processing chip. CONSTITUTION: A synchronous signal processing unit(300) receives a horizontal synchronous signal and a vertical synchronous signal, and generates a horizontal synchronous signal(HSYNC). A high voltage drive unit(310) responds to the horizontal synchronous signal(HSYNC) generated in the synchronous signal processing unit(300), amplifies a current for generating a high voltage, and changes the amplified result by the first voltage(V1) output from a high voltage stabilizing circuit(330). A high voltage generating unit(320) boosts a power supply voltage according to the amplified result output from the high voltage drive unit(310) to generate a high voltage with a certain level and generates the second voltage(V2) corresponding to the high voltage. The high voltage stabilizing circuit(330) receives the second voltage(V2) generated in the high voltage generating unit(320) to perform a pulse width modulation and generates a control signal according to the modulated result to change the first voltage(V1) so that the high voltage generated in the high voltage generating unit(320) is stabilized. A deviation drive unit(340) responds to the horizontal synchronous signal(HSYNC) generated in the synchronous signal processing unit(300), amplifies a current for driving a horizontal deviation coil, and changes the amplified result by the third voltage(V3). A horizontal size revising unit(370) changes a current output from the deviation drive unit(340) for revising a horizontal size of a monitor. A horizontal deviation voltage generating unit(350) generates a horizontal deviation voltage by the current output from the deviation drive unit(340) and the horizontal size revising unit(370). A deviation voltage stabilizing circuit(360) receives the fourth voltage(V4) from the horizontal deviation voltage generating unit(350) to perform a pulse width modulation, responds to the modulated result, generates the second control signal, and changes the third voltage(V3) for stabilizing the horizontal deviation voltage.
Patent KR-20010036872-A (KR)
Inventor: CHO YEONG JE
IPC: C21B7/00
Filed: 1999-10-12
Abstract: PURPOSE: An apparatus for preventing falling of brick when boring bricks of furnace body is provided in which positions for forming holes of the furnace body are freely formed by operators in case of boring bricks of the furnace body at a horizontal angle or more and a diagonal angle, and operational obstruction due to the cut brick is not occurred since the cut refractories, brick is not come into inside the furnace. CONSTITUTION: The apparatus comprises a hollow motor (20) in which a hollow bit (10) is mounted on a rotation axis (12), and hollow holes are formed on upper and lower parts thereof in the same direction as the central axis of the bit (10); a vertical frame (30) which supports the hollow motor (20) and stands up straight with lower part of which fixed to the outer wall of the furnace body; a vertically moving device (50) equipped with a rack member (52) and a pinion gear (54) for vertically moving the hollow motor (20) on the vertical frame (30); and a brick supporting rod (40) one end of which is fixed to upper part of the vertical frame (30), and other end of which is extended downwardly through the hollow motor (20) and internal holes (15,17) of the bit (10) so that the lower end of which supports the cut brick.
Patent KR-20010039122-A (KR)
Inventor: CHUN GANG UK
IPC: H04L12/16
Filed: 1999-10-29
Abstract: PURPOSE: A communication system is provided to efficiently and conveniently search and check a necessary data without connecting with a server because the server automatically overwrites the data of a terminal. CONSTITUTION: A user of a communication system connects to a pertinent server through a terminal in order to register one's own terminal information and necessary data information. The server(20) transmits only changed data to the pertinent terminal whenever the data is changed. The terminal(30) compares the received data with the saved data and overwrites the received data if the received data isn't identical with the saved data.
Patent KR-20010045328-A (KR)
Inventor: LEE JEONG SEOK
IPC: H01S5/026
Filed: 1999-11-04
Abstract: PURPOSE: A double core SSC using a selective area growth method is provided to reduce a far field angle of the beam emitted from an optical device, thereby improving an optical coupling efficiency among the optical devices. CONSTITUTION: In a double core SSC using a selective area growth method, an under clad layer(1) is provided. An under passive waveguide(2) having a desired width and thickness is formed on the under clad layer to determine a pattern of an emission beam. A spacer layer(8) having a desired thickness is formed on the under passive waveguide. An active waveguide(4) having a desired thickness is formed on the spacer layer. An upper passive waveguide(3) having a negative taper shape is formed on the spacer layer for a spot size conversion. An upper clad layer(9) is formed on the active waveguide and the upper passive waveguide.
Patent KR-20010046286-A (KR)
Inventor: EOM GI YEONG
IPC: B60R19/00
Filed: 1999-11-11
Abstract: PURPOSE: An automobile frame mounting a shock-absorbing damper is provided to prevent injury of vehicle passengers due to shock by improving shock-absorbing capacity, and improve overhaul of a vehicle and prevent weighting to injury of a driver by additionally providing a bumper bracket. CONSTITUTION: An automobile frame(1) mounting a shock-absorbing damper(3) includes a bumper assembly body(4) absorbing shock quantity transmitted to a car body in case of collision, one or more dampers installed at a bumper bracket(5) and the frame where a bumper reinforcement material of the bumper assembly body is installed, and contracted in longitudinal direction of the car body by the shock or load to absorb the shock transmitted to the car body in case of collision.
Patent KR-20010046461-A (KR)
Inventor: HUH SEONG HYEOK
IPC: H01M10/10
Filed: 1999-11-12
Abstract: PURPOSE: A gel electrolyte of closed-type lead acid battery is provided, which simplifies its manufacturing process of the lead acid battery, stabilizes its structure and improves the life performance of the battery. CONSTITUTION: The gel electrolyte of closed-type lead acid battery is prepared by mixing sulfuric acid with silica such as Deggusa Aerosil 200 having a particle specific area of 200 square meter/gram with stirring at a high speed of not less than 2,000 revolution per minute, further contains 0.1-0.5 wt.% of starch as a binding agent.
Patent KR-20010046951-A (KR)
Title: Valve structure for shock absorber
Inventor: KIM SEONG MIN
IPC: F16F9/32
Filed: 1999-11-16
Abstract: PURPOSE: A valve structure for a shock absorber relatively reduces the layered length of valve constituting parts and the weight of a piston by altering the shape of a rebound retainer by forming a slot on the lower portion of a piston. CONSTITUTION: A round slot(132) is formed on the lower portion of a piston(130) to snugly dispose a rebound retainer(170) and form a space between the retainer lower portion(172) of the rebound retainer(170) and the inner diameter of the slot(132), where oil is possible to flow. A light piston(130) reduces the total weight of a shock absorber. The layered length of valve constituting parts is reduced, thereby controlling the total length of the shock absorber. Therefore, the degree of freedom of the structure of the valve is increased.
Patent KR-20010047781-A (KR)
Inventor: HAN SANG BAE
IPC: C02F1/00
Filed: 1999-11-23
Abstract: PURPOSE: Provided is an inclined plate clarifier which is installed with a distributing means for enhancing settling efficiency and a clogging preventing means to removal sludge settling on the inclined plates (1) in order to prevent clogging between inclined plates (1). CONSTITUTION: The inclined plate clarifier comprises a distribution means that consists of a round hopper (32), a sludge discharger (33) for discharging settled sludge to outside, an orifice pipe (34), through which turbulent condition become distributing condition, for traveling wastewater into clarifier part; a clogging preventing means equipped with an aeration pipe (44) through which air is injected to floating sludge by vortex in case of settling a regular amount of sludge on the inclined plate (1), an air supplying pipe (44). When the sludge is floated, an effluent cover (63) closes a supernatant outlet (64) to prevent flowing effluent until floated sludge is settled.
Patent KR-20000007120-A (KR)
Inventor: NAM YOON CHUL
IPC: E02B7/20
Filed: 1999-11-27
Abstract: PURPOSE: A water gate is provided to prevent the stored water from being polluted by forming a subsidiary water gate on the water gate that regularly keeps water amount, so a little amount of water as to flow through the subsidiary floodgate. CONSTITUTION: A subsidiary floodgate(23) is installed in one place of a floodgate(10), rotating to be open and shut by a fixing shaft as a center. A speed reducer(27) having a driving gear(28) and a motor(26) feeding power to the speed reducer are formed inside the subsidiary floodgate and a vertically moving gear(25) is formed on a fixing shaft(24). But the vertically moving gear on the fixing shaft and the driving gear of the speed reducer are met. Also, a sensor(29) is installed on one place of the floodgate to sense the poundage, so as to open and shut the subsidiary floodgate by an electric signal that is sensed from the sensor.
Patent KR-20010053643-A (KR)
Inventor: KIM SOON IL
IPC: B60H1/00
Filed: 1999-12-01
Abstract: PURPOSE: An air conditioner is provided to reduce energy consumption of a vehicle about 20-30% in summer, to lengthen a life span of the vehicle by cooling an engine, and to remove noise from a compressor of a vehicle air conditioner. CONSTITUTION: An air conditioner connected to an internal combustion engine circulates refrigerant with a main circulating motor(1) and an auxiliary circulating motor(4) instead of a compressor, generates high pressure of refrigerant with heat of a radiator(3), and has a counterflow preventive check valve(2) preventing counterflow of refrigerant. The air conditioner is connected to the main circulating motor, the counterflow preventive check valve of the radiator, the radiator, the auxiliary circulating motor, and the counterflow preventive check valve of an evaporator. The air conditioner keeps high pressure of refrigerant, circulates the refrigerant by using the heat of the radiator and the small circulating motor without a compressor, compacts an internal combustion engine, and reduces costs and energy consumption.
Patent KR-20000047826-A (KR)
Title: Liquid crystal display device
Inventor: SONODAHIDEHIRO
IPC: G09F9/30
Filed: 1999-12-01
Abstract: PURPOSE: A liquid crystal display device is provided to prevent optical leakage by a spacer as well as prevent the electric field distortion between the electrodes. CONSTITUTION: A liquid crystal display device includes color filters, black matrix, a group of electrodes(CT,CT1,CT2), a liquid crystal display panel, a driver, and a spacer. The color filters are of different colors. The black matrix is implemented between the color filters. The group of electrodes(CT,CT1,CT2) is formed on one substrate of a pair of substrates. The liquid crystal display panel is implemented by accumulating polarization plate on one side of at least one of the pair of substrates. The driver provides driving voltage for display. The spacer short circuit the spacing between the inner surface of the pair of substrates, and resistance of one substrate is smaller than the resistance of the other substrate.
Patent KR-20000012563-A (KR)
Inventor: PARK JOON YOUNG
IPC: F27D19/00
Filed: 1999-12-13
Abstract: PURPOSE: A temperature process control device for a thermal-equipment is provided to do an accurate temperature control and to be able to set the coefficient of the control device automatically. CONSTITUTION: The temperature process control device for a thermo-processing equipment comprises; a temperature sensor(3) to detect the temperature of a thermo-processing equipment in an electrical value; a transducer to convert the output signal of a temperature sensor into an electrical signal which can be recognized by a digital circuit; a micro controller to analyze the signal of the transducer and control the temperature(11) by a PID control method and when the coefficient of the PID controller exceeds the range of an error to correct the coefficient; a switching device to switch the power inputted to the thermo-processing equipment by the control signal of the micro controller(11); a computer programmed to display a temperature change on the picture and control the temperature by GUI(Graphical User Interface) method.
Patent KR-20010057398-A (KR)
Inventor: OH CHAN GWON
IPC: H01L21/283
Filed: 1999-12-22
Abstract: PURPOSE: A method for forming a contact plug of a capacitor is provided to improve polishing uniformity of the contact plug and thereby to obtain the contact plugs with uniform thickness in the whole wafer. CONSTITUTION: In the method, a planarized insulating layer(22) and an anti-reflective layer(23) are formed in sequence on a semiconductor substrate(21) and selectively removed to form a contact hole. Then, a polysilicon layer is formed on the whole surface including the contact hole and etched back to form the first contact plug(24) of polysilicon. Next, a TiSiN layer is formed on the whole surface including the first contact plug(24), and a gap-fill oxide layer is formed thereon. The gap-fill oxide layer is then polished and thus remains only in a recess portion above the first contact plug(24). Next, by using the remaining gap-fill oxide layer as an etch barrier, the TiSiN layer is partially etched back. A resultant structure is then polished to form the second contact plug(28) of TiSiN contacted with the first contact plug(24). Since a portion of the TiSiN layer underneath the gap-fill oxide layer is protected from being etched back, the polishing uniformity of the TiSiN layer is improved.
Patent KR-20000062228-A (KR)
Title: 리미트스위치 작동캠을 내장한 감속장치
IPC: H02K7/116
Filed: 1999-12-24
Abstract: 리미트스위치 작동캠의 고정위치를 케이싱의 외부에서 조절할 수 있는 리미트스위치 작동캠을 내장한 감속장치를 제공한다. 
     상한용 리미트스위치 작동캠(12)은 선단에 공구 걸어맞춤부(12D)가 형성된 외부조절축(12C)을 가지고, 하한용 리미트스위치 작동캠(13)은 중심구멍(13D)과 기어부(13B)를 가지며, 하한용 리미트스위치 작동캠(13)의 중심구멍(13D)에는 상한용 리미트스위치 작동캠(12)의 외부조절축(12C)이 관통하고, 하한용 리미트스위치 작동캠(13)의 중심구멍(13D)과 상한용 리미트스위치 작동캠(12)의 외부조절축(12C)의 사이에는 일정한 전달토오크를 갖는 파형 탄성링(14)이 압입되며, 상한용 리미트스위치 작동캠(12)의 상기 공구 걸어맞춤부(12D)는 케이싱(1)으로 노출되고, 하한용 리미트스위치 작동캠(13)의 상기 기어부(13B)는 기어열을 통해 출력축(6)과 연결되어 있다.
Patent KR-20010061459-A (KR)
Inventor: AHN BYEONG JIN
IPC: G11C29/00
Filed: 1999-12-28
Abstract: PURPOSE: A cycling test circuit and a test method thereof in a flash cell is provided to decrease a cycling test time by floating a source and a gate of the flash memory according to the input signal of a cycling test. CONSTITUTION: Because a low signal is applied to gates of a PMOS transistor(P1) and an NMOS transistor(N3), the PMOS transistor(P1) is turned on, and the NMOS transistor(N3) is turned off. For this reason, NMOS transistors(N1,N2) are turned on. At this time, a flash cell is programmed. After this, because a negative high voltage is applied to a gate of the cell and a positive high voltage is applied to a sub of the cell, a PMOS transistor(P1) is turned off, and the NMOS transistor(N3) is turned on. For this reason, NMOS transistors(N1,N2) are turned off, and performs a floating of a drain and a source of the cell. Namely, though each of a high level and a ground level is applied to the drain of the cell and the source of the cell, there is no influence upon the flash cell.