baber/WOPTO huggingface dataset:
Patent KR-20010039024-A (KR)
Inventor: SHIN HONG JAE
IPC: G09G3/20
Filed: 1999-10-28
Abstract: PURPOSE: A field emission display (FED) and a method for driving the same is provided which removes residual image effect by reducing power consumption of a gate driving circuit and a data driving circuit and enabling high speed operation of the data driving circuit, thereby increasing gray scale, and can be used in all voltage control methods such as PWM (pulse width modulation) and FRC (frame rate control). CONSTITUTION: The field emission display comprises a cathode data circuit outputting data signals; a data scan driving circuit controlling the amount of electrons radiated on the panel by data signals from the data circuit as supplying current capacity flowing into the cathode circuit; and a switching means consisting of a plurality of NMOS transistors positioned between the picture elements of the display and the gate line, wherein the data driving circuit (430) is connected to the gate part of the NMOS transistor, and gate scan driving circuit (470) is connected to an input part of the switching transistor, that is, a drain part of the NMOS transistor so that the gate line of a field emitter array and the capacitance of the data line are lowered, thereby enabling high speed operation of the gate scan driving circuit (470) and the data driving circuit (430).
Patent KR-20010039119-A (KR)
Inventor: KANG HUI IL
IPC: C12N1/20
Filed: 1999-10-29
Abstract: PURPOSE: A method for purifying avermectin is provided, thereby high purity avermectin can be obtained with low costs. CONSTITUTION: The method for purifying avermectin comprises the steps of: extracting the cells collected from the fermented culture of Streptomyces avermitilis (KCTC 0662BP) with the water-miscible organic solvent to obtain the extract of avermectin; adding the nonpolar solvent selected from the group consisting of chloroform, methylenchloride, ethyl acetate, toluene, butanol and isobutanol into the extract of avermectin, or passing the extract of avermectin through the adsorption column chromatography to separate an avermectin B1a fragment and concentrating the avermectin B1a fragment; and adding the mixed solvent of carbohydrate solvent selected from the group consisting of hexane, heptane, pentane, benzene and toluene and C1 to C4 lower alcohol into the avermectin concentrate to produce the crystalline avermectin.
Patent KR-20010039140-A (KR)
Inventor: KIM GYEONG BAE
IPC: B23B27/00
Filed: 1999-10-29
Abstract: PURPOSE: A cutting insert has a chip braker designed to correspond with an efficient chip cutting and is usable for inner diameter process as well as outer diameter process. CONSTITUTION: A cutting insert comprises an upper surface, a lower surface, multiple side surfaces, multiple corner side surfaces, cut parts(22, 23), an opening and a boss. The upper surface comprises a sloping surface(40), a chip pocket(50), a main chip braker, an auxiliary chip braker(120) and un upper surface part(130). The main chip braker(100) comprises a sharply shaped hyper fibrous chip braker(111) formed to incline to the lower surface with 7 - 13°of inclining angle and a fibrous chip braker(113) formed to incline to the lower surface with 5 - 10°of inclining angle.
Patent KR-20010045644-A (KR)
Inventor: KIM HYEON SU
IPC: C08K5/00
Filed: 1999-11-05
Abstract: PURPOSE: A rubber composition for tires producing no nitrosoamine as a carcinogenic substance while maintaining physical properties more than or equal to that of conventional rubber compositions is provided, which has high scorch stability and processing stability when applied to tires. CONSTITUTION: In a rubber composition for tires containing natural rubber as raw material rubber, the composition contains 0.2 to 4.0 parts by weight of 1,6-bis(N,N dibenzylthiocarbamyldithio)-hexane and 0.5 to 5.0 parts by weight of polymer sulfur as a vulcanizing agent based on 100 parts by weight of natural rubber.
Patent KR-20010045921-A (KR)
Title: Wheel for large-sized vehicle
Inventor: KIM JONG BAEK
IPC: B60B21/02
Filed: 1999-11-09
Abstract: PURPOSE: A wheel cools down the temperature of a rim and drops the temperature thereof. CONSTITUTION: Multiple cooling fins(3) are formed on the outer surface of a rim flange(21) with gaps of 3-4cm between themselves. The thickness of the cooling fins(3) is 3-4mm on the lower ends thereof and 2-3mm on the upper end thereof. The angle between the cooling fins(3) and the diametral line of a wheel is 20-30°to minimize frictional noise of air on rotation of the wheel due to the installation of the cooling fins(3) and make the air help to cool the wheel by being mixed with the heated air between a brake drum(4) and wheel.
Patent KR-20010046564-A (KR)
Inventor: CHOI AUM IL
IPC: G08G1/123
Filed: 1999-11-12
Abstract: PURPOSE: A vehicle arrival time information system and a method thereof are provided to inform an arrival time of vehicles by each route by constructing a reliable system with a low cost, and to inform the arrival time effectively by a host computer transmitting data only to a corresponding bus stop which the vehicle goes via. CONSTITUTION: The information system comprises a vehicle terminal(100), a stop terminal(200), a network(300) and a host computer(400). The vehicle terminal comprises a storing part(120) and a vehicle wireless communication part(110) and a processing part(130) and an input/output part(150). The storing part stores information like a vehicle identification number, and the processing part inputs/outputs or processes data stored in the storing part, and controls the vehicle wireless communication part to transmit or receive data. The vehicle wireless communication part is for communicate with the stop terminal wirelessly, and comprises a wireless transmission part transmitting the vehicle identification number. The input/output part inputs the vehicle identification number and can input a vehicle traveling direction if required. And, the stop terminal comprises a storing part(220), a stop wireless communication part(210), a processing part(230), a network communication part(240) and an input/output part(250).
Patent KR-20010053959-A (KR)
Inventor: WANG JEOM GEUN
IPC: B62D3/02
Filed: 1999-12-02
Abstract: PURPOSE: An intermediate steering shaft assemblage is provided to conveniently assemble by combining steering gear and a steering shaft with a swing in type and to simplify entire structure. CONSTITUTION: An intermediate steering shaft assemblage(1) is composed of an intermediate steering shaft(10) and two joints(20,30) to deliver manipulating force of a steering wheel into a steering gear by being mounted on a lower end of a steering column. The joints are mounted both ends of the intermediate steering shaft and connected to the steering shaft and the steering gear. the joints are composed of outer yokes(25,35) engaged with a connect shaft unit(3) of the steering shaft and the steering gear and inner yokes(21,31) combined both ends of the intermediate steering shaft by cross engaged to the outer yokes. A slide typed combined unit(26) is formed on an outer yoke of a side of the joint, and a swing in typed combined unit(36) is formed on the outer yoke of the other side of the joint.
Patent KR-20010054722-A (KR)
Inventor: HWANG IN JIP
IPC: G07F9/00
Filed: 1999-12-08
Abstract: PURPOSE: A sealing up device for a paper money slot of a vending machine is provided which prevents foreign substances from being inserted into the inside of the paper money slot. CONSTITUTION: The sealing up device for a paper money slot of a vending machine comprises: (i) an opening and shutting member(11) where a certain size of rubber magnet(13a) is formed on the lower side; and (ii) a rubber magnet(13b) which is formed on a door panel(10) part being contacted with the magnet of the opening and shutting member.
Patent KR-20010055298-A (KR)
Inventor: KANG SEONG TAE
IPC: C22C38/44
Filed: 1999-12-10
Abstract: PURPOSE: A high toughness low alloy steel for a compressor wheel and a turbine wheel of a combined cycle power plant is provided which can be used even at a temperature of -20 deg.C or less by optimizing contents of carbon and niobium and optimizing elements such as chromium, nickel, molybdenum and vanadium for developing a toughness improved material. CONSTITUTION: The high toughness low alloy steel for a compressor wheel and a turbine wheel of a combined cycle power plant comprises 0.2 to 0.4 wt.% of carbon, 0.05 to 1.5 wt.% of manganese, 0.01 to 0.5 wt.% of silicon, 0.1 to 2.0 wt.% of nickel, 0.5 to 3.0 wt.% of chromium, 0.05 to 2.0 wt.% of molybdenum, 0.1 to 0.5 wt.% of vanadium and a balance of Fe and other inevitable impurities containing 0.01 wt.% or less of sulphur, 0.01 wt.% or less of phosphorus, 0.02 wt.% or less of aluminum and 0.01 to 0.03 wt.% of niobium, wherein a multiply of carbon and niobium is 0.12 wt.% or less within the range of chemical constituents of the low alloy steel.
Patent KR-20010055607-A (KR)
Inventor: CHOI HO GYEONG
IPC: B03C3/155
Filed: 1999-12-11
Abstract: PURPOSE: A monolithic filtration equipment of charged dust is provided, which can prevent accumulation of dust inside the bag filter, prevent any fire and explosion of dust, eliminate any special device to prevent bending of discharging electrode by using sew type charging electrode and assemble charging part easily according to required capacity by using cartridge type charging part. CONSTITUTION: The system comprises the followings: (i) a filtration part which consists of an influent duct (10), filter bag (60) and a hopper (70) for collecting dust; (ii) dust charging part (30) that is installed upstream of the filtration part and communicates with the influent duct (10) for charging dust; and (iii) high voltage generation part (40) for supplying high voltage power to the charging part (30).
Patent KR-20010064993-A (KR)
Inventor: CHOO DONG GYUN
IPC: B22D11/06
Filed: 1999-12-20
Abstract: PURPOSE: A method for manufacturing a strip using a twin roll type strip caster is provided to prevent molten steel from being run out between an edge dam and rolls during discharging of residual molten metal, thereby preventing damage of the edge dam and rolls by properly controlling the edge dam during discharging of the residual molten metal performed after completing casting. CONSTITUTION: In a method for manufacturing a strip using a twin roll type strip caster comprising the processes of directly casting into a strip by supplying molten metal into between the rolls using a twin roll type strip caster comprising two rotatable rolls each of which are oppositely installed, and an edge dam provided so that the edge dam is contacted with or separated from the side surface of the rolls by a cylinder; and discharging the residual molten metal into the lower side by moving the rolls so as to increase the roll gap after moving the edge dam when casting is finished, the method further comprises the processes of blocking the supply of molten metal when casting is finished, and discharging the residual molten metal into the lower side by moving the rolls so that the roll gap is increased after moving the edge dam toward the outside of the side surface of the rolls until conditions of the following mathematical expression 1 are satisfied: (Mathematical Expression 1) F≡Kxh where F is a force applied to a cylinder during moving of an edge dam, K is a constant obtained by the following mathematical expression 2, and h is a height of molten steel during moving of the edge dam: (Mathematical Expression 2) lc="μx(F0-Kxh0) where lc is an abrasion ratio of edge dam, μ is abrasion coefficient of edge dam, F0 is a force applied to cylinder in the normal casting state, and h0 is a height of molten steel in the normal casting state.
Patent KR-20010057446-A (KR)
Inventor: CHO YUN HYEON
IPC: C02F11/14
Filed: 1999-12-23
Abstract: PURPOSE: A dewatering method of iron-containing sludge is provided, which can prevent settling of sludge in a sludge reactor and scattering of flocks formed in the sludge reactor. The system can also dewater iron-containing sludge efficiently, and so can reduce sludge discharge amount and required landfill area, accordingly eliminating further requirement for any incinerator and saving construction cost. CONSTITUTION: The method comprises as follows: (i) the system that has a tank which is partitioned by a wall into a primary reaction tank (21) and secondary reaction tank (22), the partition wall being apart from the bottom to make room for a sludge path part (212); (ii) a primary reaction tank (21) in which an agitator (211) that is rotating at 60-200 rpm is vertically installed and to the sludge path part of which polymer coagulant is fed to react with iron-containing sludge; and (iii) a secondary reaction tank (22) in which a screw for transferring sludge is installed and is rotated at 20-60 rpm to transfer sludge to dewatering device.
Patent KR-20010065158-A (KR)
Inventor: AHN JAE CHUN
IPC: G11C16/00
Filed: 1999-12-29
Abstract: PURPOSE: A recovery voltage generating circuit and a method for erasing the stack gate flash EEPROM is provided to perform the recovery operation during erasing operation in order to reduce the number of erased cells as well as to the difference between threshold voltages. CONSTITUTION: The recovery voltage generating circuit includes a counter(20) and a reference voltage adjustor(21). The counter generates three output signals in a way that two output signals are in low states while one output signal is in a high state. The reference voltage adjustor decreases the reference voltage, outputs three different voltages and applies the voltages to a control gate of a cell. The reference voltage adjustor further includes the first through third reference voltage dividers. The first reference voltage divider generates the first divided voltage by decreasing the reference voltage and applies the result on the control gate of the cell. The second reference voltage divider generates the second divided voltage by decreasing the reference voltage and applies the result on the control gate of the cell. The third reference voltage divider generates the third divided voltage by decreasing the reference voltage and applies the result on the control gate of the cell.
Patent KR-20010065186-A (KR)
Inventor: JANG SANG HWAN
IPC: H01L27/115
Filed: 1999-12-29
Abstract: PURPOSE: A method for manufacturing a flash memory device is provided to reduce the number of manufacturing steps by performing device isolation and floating gate etching step at the same time. CONSTITUTION: The flash memory device manufacturing method includes a tunnel oxide layer, the first polysilicon layer, a pad oxide layer(34) and a pad nitride layer(35) are formed sequentially on the semiconductor substrate and O2 plasma is performed. Then, the first photoresist pattern(36) is formed on the pad nitride layer by using an ISO mask, the pad nitride layer, pad oxide layer, the first polysilicon layer, the tunnel oxide layer and a portion of the semiconductor substrate are etched to make the structure of the semiconductor substrate as a trench. At third, the first photoresist pattern is removed and wall self-align contact oxidation operation, wall oxidation and linear oxide layer forming operation are performed sequentially. Then, a high density plasma oxide layer(37) is formed on the overall structure and is thermally processed. At fifth, CMP process is performed until the pad nitride layer is exposed. Then, the upper portion of the exposed pad nitride layer, pad oxide layer and the high density plasma oxide layer is removed. At last, the high density plasma oxide layer between the first polysilicon layer is removed to leave the high density plasma oxide layer only inside of the trench to form a floating gate as well as a device isolation layer.
Patent KR-20010065460-A (KR)
Inventor: BAEK RAK JUN
IPC: H01Q13/26
Filed: 1999-12-29
Abstract: PURPOSE: An air strip support apparatus is provided to reduce transmission loss caused by dielectric constant of the material of support apparatus, and improve productivity by simplifying installation procedures. CONSTITUTION: An air strip support apparatus comprises a housing(21) which is hat-shaped so as to minimize the portion occupied by the support apparatus in the space between an air strip(11) and a grounding surface(12) and reduce the loss caused by the dielectric constant of the material of the support apparatus; stopper portions(22) formed at the both inner upper side surfaces of the housing so as to readily accommodate and support the air strip; a connecting rod(23) extended from the bottom of the housing for connection with the grounding surface, and which has a rounded end(24). The connecting rod has a groove(25) formed inwardly at the rounded end, wherein the groove contracts upon insertion of the connecting rod into the grounding surface and expands after insertion, thereby allowing the housing to be easily fixed to the grounding surface.
Patent KR-20010065611-A (KR)
Inventor: KIM CHOON SUB
IPC: B41M5/00
Filed: 1999-12-30
Abstract: PURPOSE: A method for forming a pattern on a bamboo mat by using a shadow mask is provided which forms very unique, natural and desired patterns on the surface of the bamboo mat. CONSTITUTION: The method comprises steps of: (i) selecting a pattern to be carved on a bamboo mat(4); (ii) either adhering a means for expressing the pattern to a glass plate or printing the means for expressing the pattern on the glass plate to prepare a shadow mask(1); (iii) putting the shadow mask on the selected position of the surface of the bamboo mat; (iv) after putting the shadow mask and the bamboo mat together in an ultraviolet rays generating means, applying ultraviolet rays thereto; and (v) removing the shadow mask from the bamboo mat.
Patent KR-20010059160-A (KR)
Title: Oil pressure switch
Inventor: SEO BONG GYO
IPC: G01L9/00
Filed: 1999-12-30
Abstract: PURPOSE: An oil pressure switch is provided to increase durability, performance and reliability, to reduce a manufacturing cost by having a simple structure, and to easily manufacture products. CONSTITUTION: An oil pressure switch includes a housing(10) mounted at a side of a pipe(50) and forming an oil path(12) for inflow of oil, a diaphragm(30) mounted at a front portion of a space(14) communicating with the oil path for forming pressure by the oil pressure, a vacuum body(21) mounted at a rear portion of the diaphragm and having a vacuum part(22) inside, a sensor chip(31) mounted at an upper portion of the vacuum part of the vacuum body, a terminal member(34) connected by the sensor chip and an electricity charging unit and mounted at a side of the housing, and an ECU(Electronic Control Unit)(40) connected to the terminal member and receiving signal of pressure change. The electricity charging unit has a jump wire(32) connected to the sensor chip and connection plates(33) connected with the jump wire and the terminal member respectively and mounted on an upper portion of the vacuum body.
Patent KR-20000023609-A (KR)
Inventor: VAN SLUTEN WOODO
IPC: H01J17/49
Filed: 1999-01-08
Abstract: PURPOSE: A display apparatus is provided to consume less energy. CONSTITUTION: A display apparatus comprises at least one compartment having ion possible gas. Electrodes, which selectively ionize the gas by a direct current during an operation, are provided in inner walls of the compartments. A secondary electronic emitting material layer is provided in the walls of the compartments, and the electrodes are exposed in a part or all. Another layer of a dielectric material is located between the compartments and a photoelectric material layer, and the secondary electronic emitting layer is provided at another layer which exists on an opposed plane to the photoelectric layer.
Patent KR-20000069130-A (KR)
IPC: A61K31/416
Filed: 1997-11-21
Abstract: (I) 
     본 발명은 청구범위에 기재된 화학식 I 의 화합물 및 이의 거울상이성질체, 광학이성질체, 입체이성질체, 호변이성질체, 부가염, 생가수분해성 아미드 및 에스테르, 그리고 상기 신규 화합물을 함유하는 약제학적 조성물에 관한 것이다.     본 발명은 또한 알파-2 아드레날린수용체에 의해 조절되는 질병의 예방 및 치료를 위한 상기 화합물의 용도에 관한 것이다.
Patent KR-20000070941-A (KR)
Title: 미세 다공성 동피막 및 이를 얻기 위한 무전해 동도금액
IPC: C23C18/40
Filed: 1998-02-19
Abstract: 1 ㎠당 10 5 ∼10 9 개의 미세공을 갖는 금속 동피막 및 그의 피막을 갖는 도금제품이 개시되어 있다.  이 금속 동피막은 피도금물을 동이온, 착물화제, 차아인산화합물, 환원반응개시 금속촉매 및 아세틸렌 결합 함유 화합물을 포함하는 무전해 동도금액에 침지함으로써 얻어진다.
Patent KR-20000075462-A (KR)
IPC: G01N27/42
Filed: 1998-02-04
Abstract: 로듐전극을 갖는 전해용기를 위한 검출유닛의 개선된 제조방법이다. 
     이 방법의 제1단계는, (a) 로듐금속을 진공용해시키고, (b) 로듐금속을 로듐전극으로 냉간 인발하고, (c) 로듐전극을 세정하므로서 비교적 불순한 로듐금속으로부터 로듐전극이 제작된다. 
     그러면 로듐전극은 검출유닛의 유리관에 밀봉되어 끼워넣어진다. 
     끼워 넣어진 로듐전극을 갖는 검출유닛은 뜨거운 산용액으로 세정된다. 
     최종적으로 검출유닛은 전해용기에 배치된다. 
     이 방법에 따라 제조된 전해용기는 로듐전극이 산소, 수소 또는 불활성가스로 구성된 시험가스내의 물의 측정에 사용되는 것이 허용되고, 그러므로 하나의 전극재료가 모든 응용에 적합하다. 
     중요한 응용(시험가스가 산소, 수소 또는 불활성가스)에 따라 다른 용기를 준비할 필요가 더 이상 없다.
Patent KR-20000075484-A (KR)
Title: 통합 광 차폐 기능을 갖는 반사 액정 디스플레이 장치
IPC: G02F1/1362
Filed: 1998-10-05
Abstract: AMLCD와 같은 반사 액정 디스플레이 장치는 실리콘 기판의 한 표면 위에 위치한 반사 픽셀의 배열을 포함하는데, 광 투과 영역은 상기 반사 픽셀 사이에 위치한다. 이러한 구조는 반사 픽셀과 실리콘 기판 표면 사이에서 두 개의 금속층을 포함하는데, 그렇지 않을 경우 반사 픽셀 사이의 광 투과 영역을 통과할 광을 차단하기 위하여, 한 금속층의 세그먼트는 LCD의 행 전극을 형성하기 위해 제 1 방향으로 확장되고, 다른 금속층의 세그먼트는 LCD의 열 전극을 형성하기 위해 제 1 방향과 거의 수직인 제 2 방향으로 확장된다. 이러한 방법에 있어서, 광 차단 기능은 별도의 차단 또는 차양 금속층을 필요로 함이 없이 제공된다.
Patent KR-20000075881-A (KR)
Title: 공압식 씨실 삽입 직기
IPC: D03D47/38
Filed: 1997-04-09
Abstract: 본 발명에 따른 제직용 직기(weaving loom)는 제직 리드(weaving reed; 8) 및 삽입부(insertion position)와 정지부(stop position) 사이를 선회할 수 있는 씨실 가이드 장치(weft thread guide device; 32)를 포함한다.  씨실(38)을 가이드 채널(guide channel; 32) 내부에 삽입하기 위해 고정된 씨실 삽입 장치(32)가 제공되며, 상기 씨실을 물어 절단하기 위해 커팅 날(cutting blade; 15)이 제공된다.  삽입된 씨실을 마찰 클램핑하기 위해서, 그리고 상기 씨실이 삽입부로부터 정지부로 이송되는 동안 클램핑 효과를 보장하기 위해 식서(selvedge) 형성 장치가 또한 제공된다.  제직 리드와 관련한 상기 삽입 장치의 고정부 및 클램핑 요소와 전단기는 보다 용이한 공정 제어 및 최대 열 여섯 가지의 상이한 씨실이 삽입될 수 있음을 의미한다.
Patent KR-20000076309-A (KR)
IPC: H04B3/23
Filed: 1998-03-18
Abstract: A method and apparatus for canceling both earseal and hybrid echo in a Wireless Local Loop telephone system is disclosed. The present invention operates within a subscriber station having a plurality of telephone inputs, one of which is a dedicated handset and at least one other input being a standard analog telephone. During a conference call between a far end speaker and two near end speakers, the far end speaker may hear an echo of his own voice due to an earseal echo generated by the dedicated handset and a hybrid echo generated by a 4-to-2 wire hybrid interface within the subscriber station. In accordance with the present invention, two distinct echo cancellers are used in the subscriber station to reduce the two types of echo. A first echo canceller is optimized to remove the earseal echo generated at the dedicated handset while a second echo canceller is optimized to remove the hybrid echo generated at the 4-to-2 wire hybrid. The two echo cancellers operate independently such that neither echo canceller need adapt its filter coefficients when a change in the echo channel characteristics occur, such as when a speaker hangs up or another speaker joins the conversation.
Patent KR-20000076361-A (KR)
Title: 알데히드 및 케톤의 선택적 효소 하이드록실화방법
IPC: C12P7/26
Filed: 1998-03-13
Abstract: 본 발명은 키랄 앵커/보호 그룹을 사용하는, 알데히드 및 케톤의 선택적 효소 하이드록실화방법에 관한 것이다.