baber/WOPTO huggingface dataset:
Patent KR-20000059852-A (KR)
Inventor: KIM HYEON GYEONG
IPC: C07D249/00
Filed: 1999-03-09
Abstract: PURPOSE: Novel light stabilizer effective for a lacquer and lacquer composition containing the same are provided which have excellent outdoor weather resistance, fast setting time simultaneously and various coating physical properties as compared with conventional lacquer compositions. CONSTITUTION: The light stabilizer represented by the following formula 1 and lacquer composition containing 0.1 to 5.0% by weight of the compound (1) are provided. The compound (1) is prepared by reducing alkyl-3-(3-2H-benzotriazole-2-)-5-t-butyl-4-hydroxyphenylalkanoate in the range of room temperatures to 100°C and agitating the obtained intermediate of formula (3) with C1-20 aliphatic acid in the range of room temperatures to 100°C. In formula, R1 and R2 are the same or different H or C1-4 alkyl, n and m are an integer from 1 to 20. The compound is expected to promote productivity and explore a novel industrial applicability.
Patent KR-19990077954-A (KR)
Title: 평면전계방출형평판표시장치
Filed: 1999-03-17
Abstract: 본 발명은 고속 진공 터널링 효과를 이용한 평면 전계 방출형 평판 표시장치에 관한 것으로서, 전계 방출 표시장치(Field Emission Display : FED)의 전자 방출을 위한 기존의 마이크로 팁(tip) 형태의 캐소드(cathode) 대신에 평면 형상의 캐소드 구조를 채택하고 캐소드의 하부에는 채널 절연층을 형성하며 채널 절연층의 하부에는 게이트(gate)를 두어 게이트의 전압 변화로 캐소드의 전자 방출량을 제어하고 전극의 순서를 애노드, 캐소드, 게이트의 순서로 채택함으로써, 구조와 제조공정의 단순화를 일거에 달성한 고성능의 전계 방출형 평판 표시장치에 관한 것이다. 
     따라서, 본 발명은 전극 간의 간격 조절이 용이하여 구동 전압의 크기를 대폭 줄일 수 있고, 소형에서 대형에 이르기까지의 모든 표시장치를 대체할 수 있는 구조상의 장점이 있기에 기존의 CRT, LCD, PDP, FED, LED, VFD, EL등이 사용되고 있는 대부분의 응용 제품에 대체 사용될 수 있으며 특히, 고속 동작이 요구되는 영상 표시 장치에 매우 적합하고, 기존의 반도체 공정 및 표시장치의 제작설비를 그대로 활용할 수 있는 제조 공정상의 장점을 갖는다.
Patent KR-19990078357-A (KR)
Title: 결정문턱값을제어함으로써유도적으로결합된출력신호전이에의해발생되는입력신호노이즈로부터의보호를위한전자회로및그방법
IPC: H03K19/003
Filed: 1999-03-29
Abstract: 노이즈-면역 (noise-immune) 전자 회로는  입력 전송 라인을 통하여 입력 신호를 수신하며 상기 입력 신호를 결정 문턱값과 비교하여 상기 입력 신호 및 상기 결정 문턱값의 상대적인 크기에 기초한 1개의 소정 이산 레벨을 가지는 전자 회로의 입력 데이터를 발생시키는 입력 회로와  상기 전자 회로의 출력 데이터를 수신하며 그로부터 출력 신호를 발생시키며 출력 전송 라인 상으로 상기 출력 신호를 전송하는 출력 회로를 포함한다.    상기 입력 및 출력 전송 라인은 유도적으로 함께 결합되어 상기 전송된 출력 신호에 전압 전이가 발생하는 경우, 상기 수신된 입력 신호에 노이즈가 도입된다.    상기 입력 회로의 결정 에러를 방지하기 위하여, 노이즈 보호 회로가 제공되어, 상기 입력 신호에 발생되는 노이즈와 일치하는 시점에서 상기 결정 문턱값을 제어하는 상기 전자 회로의 출력 데이터의 전압 전이에 반응하여 상기 노이즈가 존재하여도 상기 입력 회로는 결정 에러를 발생시키지 않는다.
Patent KR-20000065384-A (KR)
Inventor: KWON YONG GEOL
IPC: H01J29/70
Filed: 1999-04-02
Abstract: PURPOSE: An electron gun for a color CRT is provided to enhance deflection sensitivity for deflecting electron beam, and to reduce distortion of electron beam section and degradation of focus feature. CONSTITUTION: A color CRT comprises a panel, a funnel, an electron gun(50) and a deflection yoke. The panel has a fluorescent screen. The funnel is hermetically coupled with the panel and has a neck(31). The electron gun(50) is installed to the neck(31) and has a pair of electrodes provided with large diameter electron beam through-holes to form a large diameter lens. The deflection yoke is installed to the funnel and deflects the electron beam radiated from the electron gun. The outer diameter of the neck is 22.5 to 24.8 millimeter. The inner diameter of the neck is 18.9 to 21.8 millimeter. The deflection sensitivity and the size of the electron beam can be reduced.
Patent KR-20000066027-A (KR)
Inventor: KIM SUN CHEOL
IPC: H04B1/40
Filed: 1999-04-12
Abstract: PURPOSE: A PLL(Phase Locked Loop) module output level distribution apparatus using the split is provided to distribute the power level of an RF(Radio Frequency) local signal outputted from a PLL module of a portable handset using the split. CONSTITUTION: A PLL module(100) outputs a specific frequency suitable for the range of a setting level dependent on system requirements. A split(200), receiving the specific frequency outputted from the PLL module(100), divides and tunes the power level of the specific frequency. An up mixer(300) converts the low frequency divided and tuned in the split(200) into a high frequency and transmits it as a carrier wave. A down mixer(400) receives the power level divided in the split(200) to obtain the tuned signal from the up mixer(300) and downs the carrier wave received from the external from a high frequency to a low frequency.
Patent KR-20000066171-A (KR)
Inventor: KWON SUNG KEUN
IPC: G06F3/02
Filed: 1999-04-13
Abstract: PURPOSE: A keyboard is provided to enhance an easiness of a computer operation, and an efficiency by installing movably a mouse in a space, and prevent cords from being in a tangle. CONSTITUTION: A keyboard comprises an upper cover(14), a base plate(36), a plurality of connection axes(34), a spring(40), and a fixture. The upper cover(14) forms a seat for seating a mouse movably, a mouse pad adhered at an upper part of the seat, and a plurality of holding grooves near the mouse pad. The base plate(36) is installed at a corresponding to the seat between the upper cover(14) and a lower cover. The connection axes(34) are protruded from an upper face of the base plate(36) and pass through holes formed in a bottom face of the mouse and the holding grooves. The springs(40) inserted into the connection axes(34), supports elastically the bottom of the mouse. The fixture assembles the springs with the connection axes(34).
Patent KR-20000067642-A (KR)
Inventor: JUNG JI WON
IPC: H01L21/8247
Filed: 1999-04-30
Abstract: PURPOSE: A method for dry-etching a ferroelectric capacitor structure is provided to reduce etching remnants and to increase an inclined degree of etching, by using a hard mask and a proper mixture gas as an etch gas. CONSTITUTION: A hard mask material is evaporated on a ferroelectric structure by one of a reactive sputtering method, a sputtering method, a chemical vapor deposition(CVD) method and a spin-coating method. An electrode and a ferroelectric layer are sequentially etched with a mixture gas composed of Cl2/O2/Ar using the hard mask as a mask. The electrode is made of one of Pt, Ir, Ru and Rh.
Patent KR-20000072988-A (KR)
Inventor: HEO EUN MI
IPC: A61K31/065
Filed: 1999-05-04
Abstract: PURPOSE: Rosmarinic acid and its derivatives are provided, which use as active inhibitors or immuno-inhibitors of T lymphocyte cell kinase(Lck) SH2 domain, to give a usefulness for treating, diagnosing or protecting various diseases, such as rejection symptoms in implanting organs or tissues, self-immuno diseases, inflammatory diseases and the like. CONSTITUTION: A method of producing the rosmarinic acid comprises the following steps: immersing Prunella vulgaris into methanol and placing it to extract an active substance; drying the methanol extract under a reduced pressure and solution-extracting it with ethylacetate to give an active portion; refining the concentrated portion through column chromatography, wherein the inert portion used is eluted and removed with a mixed solvent of chloroform and methanol, and the active substance is eluted with the mixed solvent; collecting the eluted active substance through chromatography with developing solvent; gathering the resulting eluted active substance by chromatography with a mixed solvent of methanol and phosphoric acid; and collecting the rosmarinic acid through chromatography with a mixed solvent of methanol and phosphoric acid.
Patent KR-20010001853-A (KR)
Inventor: LEE BONG GYU
IPC: F02D41/30
Filed: 1999-06-09
Abstract: PURPOSE: A device and a method for avoiding a collision of an LPG vehicle are provided to make a responding speed fast and to decrease a collision rate with a front vehicle caused by driver's carelessness. CONSTITUTION: A start key of an LPG vehicle is turned on. An ECU(engine control unit)(300) recognizes a distance from a front vehicle through a camera(100) and a signal conversion unit(200). The ECU decides the possibility of a collision with the front vehicle based on the distance and speed. In a dangerous state of collision, the ECU controls a step motor(400) to secure a safety distance with the front vehicle. An amount of mixed air supplied to a cylinder from a mixer is controlled by controlling the action of a second throttle valve. Accordingly, the speed of vehicle is regulated to secure the safety distance.
Patent KR-20010002456-A (KR)
Inventor: KIM JIN GI
IPC: H01L21/68
Filed: 1999-06-15
Abstract: PURPOSE: A system for fabricating a semiconductor wafer with a load port for mounting a cassette is to allow a plate of a load port to be protruded toward a working area when performing a semiconductor wafer fabricating process. CONSTITUTION: The system comprises an opening formed at a wall side(45) of the system to convey a wafer from an outside to an inside of the system; a door assembly having an opening state and a closing state to cover the opening at the closing state; and a port assembly having a flat plate(30) on which a cassette(31) for receiving the wafer is put, wherein the port assembly has the first position in which the plate is vertically positioned toward an outside of the wall side, and the second position in which the plate is horizontally positioned on the opening in the opening state of the door assembly. In the system, the door is slid in the inside of the wall side by the opening. The port assembly comprises the plate placed on the wall side, a hinge portion(46) for rotatably connecting the plate and the wall side, and a fixing robot system(42) for controlling the plate to be vertically rotated on the wall side.
Patent KR-20010002964-A (KR)
Inventor: KANG I JOO
IPC: C02F1/28
Filed: 1999-06-15
Abstract: PURPOSE: Provided is a heavy metal removal method using elvan in wastewater treatment. Heavy metal ion (like as Pb2¬+, Cu2¬+, Zn2¬+, Cd2¬+) is removed by adsorption by elvan. CONSTITUTION: The method is characterized by using calcined elvan granule being 80 mesh of granularity. Adsorption efficiency is maximized at pH of 4.5-8.8. Adsorption manner by elvan is ion exchange-adsorption and surface complex-adsorption.
Patent KR-20010004230-A (KR)
Title: Plasma display panel structure
Inventor: KWON YONG HO
IPC: H01J11/24
Filed: 1999-06-28
Abstract: PURPOSE: A plasma display panel structure is provided to improve an electrical characteristic by increasing an address speed. CONSTITUTION: An address electrode(30) is arranged between two barrier ribs(33). A transparent sustain electrode(32) is arranged perpendicular to the address electrode(30). A bus electrode(31) is formed on the transparent sustain electrode(32). The bus electrode(31) assumes the shape of a '£', at one side thereof. A common electrode protruded outward from the transparent sustain electrode(32) is formed at the other side of the bus electrode(31). So, the two bus electrodes(31) are formed at both ends of one transparent sustain electrode(32). A distance between the bus electrodes(31) becomes closer so that an address speed is increased.
Patent KR-20010004658-A (KR)
Inventor: KIM SEOK TAE
IPC: G11C11/407
Filed: 1999-06-29
Abstract: PURPOSE: An address-strobe device is provided to reduce unnecessary current amount after an address strobing so that a consumption power is reduced. CONSTITUTION: An address-strobe device comprises a buffering unit(100), an activation controller(300), and a strobe/latch unit(200). The buffering unit(100) buffers an external input address(add_in) so that the external input address(add_in) is appropriate for operation of an internal circuit. The activation controller(300) determines whether the external input address(add_in) is necessary for operation of an internal circuit or not, and controls activation of an address path according to the decision result. The strobe/latch unit(200) selectively strobes and latches address from the buffering unit(100) according to an output signal(en) from the activation controller(300), and outputs the address into the internal circuit. Thereby, unnecessary current amount can be reduced after an address strobing so that a consumption power is reduced.
Patent KR-20010009867-A (KR)
Inventor: CHOI IN GYU
IPC: H01L27/148
Filed: 1999-07-14
Abstract: PURPOSE: A charge coupled device and a fabricating method thereof are to improve a depth of focus using phase shift of light, and prevent scattered reflection of the light, thereby increasing a light-collecting efficiency and thus a sensitivity. CONSTITUTION: A plurality of photo-diode areas generates an image charge by incident light. A charge transmission area(33) is disposed between the photo-diode areas. The first planarized layer(34) is formed at a front surface of each photo-diodes area and the charge transmission area. A plurality of color filter layers is formed on the first planarized layers corresponding to each photo-diode area. A black layer(38) is formed on the first planarized layer between the color filter layers. A phase shift layer is selectively formed on the color filter layers alternately corresponding to the photo-diode area. The second planarized layer(40) is formed at the front surface including the phase shift layer. And a micro-lens(41) is formed on the second planarized layer corresponding to each photo-diode area. In the device, the black layer is made of titanium nitride layer or chrome layer.
Patent KR-20010010139-A (KR)
Inventor: HONG TAE HEUM
IPC: A01N59/08
Filed: 1999-07-16
Abstract: PURPOSE: A red tide removing method is provided, which can remove red tide rapidly and economically by spraying diluted sodium hypochlorite solution to sea water of red tide at an adequate amount of 0.1-1.5 ppm by controlling the spraying conditions without giving any secondary pollution to other living thing. CONSTITUTION: The system comprises the followings: (i) a storage tank(3) of sodium hypochlorite of high concentration for storing it; (ii) a dilution tank(2) for diluting the sodium hypochlorite with sea water supplied through sea water supplying line(4a); (iii) a sprayer(13) for spraying the diluted sodium hypochlorite to sea; (iv) a concentration detector(8) for measuring the concentration of sodium hypochlorite in sea water.
Patent KR-20010011540-A (KR)
Inventor: LEE HO IL
IPC: F24C1/00
Filed: 1999-07-28
Abstract: PURPOSE: A burner is provided to include a cooling function in a heating function of the wind furnace to supply various temperatures such as a temperature under ordinary temperature in cooking food. CONSTITUTION: A burner comprises a heating unit(4) operating a normal function of the burner; a cooling unit operating a cooling; a fan unit(3) assisting radiation; a control unit(7) controlling an entire process; and a power. A thermoelectric semiconductor(1) operates the cooling by contacting and thus a radiating plate(2) and the fan radiate. A process of a contact style radiates heat by changing an electrode of the thermoelectric semiconductor and a process of air circulation style is followed. The burner having a heating function supplies variable temperatures in cooking food by including a cooling function
Patent KR-20010018033-A (KR)
Inventor: LEE SEOK MUN
IPC: H01J29/76
Filed: 1999-08-17
Abstract: PURPOSE: A deflecting yoke for a cathode-ray tube is provided to improve a deflection characteristic as well as a top and bottom inner pincushion raster distortion characteristic of a screen. CONSTITUTION: Horizontal/vertical deflecting coils(11)(12) are provided to deflect an electron beam. A ferrite core(14) is used to reduce a loss of a magnetic force of a vertical deflecting magnetic field generated from the vertical deflecting coil. A holder(13) fixedly mounts the horizontal/vertical deflecting coils and the ferrite core, and at the same time insulates the horizontal/vertical deflecting coils. A convergence coil(15) is mounted to a neck portion of the holder to improve a coma aberration occurring by a vertical barrel magnetic field. First magnets(16-1) are attached to the top and bottom of the opening of the horizontal deflecting coil to compensate for the inner raster distortion of the screen. Second magnets(16-2) are attached to the top and bottom of the end portion of the opening of the deflecting yoke(10) to compensate for upper and lower raster distortions of the screen.
Patent KR-20020094064-A (KR)
Inventor: CORMIER GREGORY J
IPC: C04B2/02
Filed: 1999-08-26
Abstract: PURPOSE: A method for preparing a gypsum/fiber board and a gypsum/fiber board prepared by the method are provided, to improve the impact resistance of a gypsum/fiber board by employing a reinforcement mesh. CONSTITUTION: The method comprises the steps of mixing fiber, gypsum and water to prepare a wet fiber mixture; layering out a reinforcement mesh(120) on the upper surface of a forming belt; accumulating the mixture on the reinforcement mesh(120) to form a mixture layer having practically uniform consistency; pressing the mixture layer together with the reinforcement mesh to adhere the mesh onto the lower surface of the layer and to form a board which comprises a combined fiber and gypsum and contains the mesh adhered to the surface; and drying the obtained board. Preferably the mesh is not elastic and is glass fiber or textile.
Patent KR-20010019846-A (KR)
Inventor: KIM YONG JIN
IPC: A47J31/00
Filed: 1999-08-31
Abstract: PURPOSE: A steam leakage prevention apparatus for brewing pot is provided to prevent loss of extraction occurring between the heating container and the steam condenser. CONSTITUTION: An apparatus comprises a steam guide unit(140) including upper and lower support members(142,144) to be screw-coupled to top and bottom surfaces of a steam condenser(130); a steam guide section(146) for guiding in vertical direction the steam generated from a heating container(120) and the solidified water from the condenser, and which has a seal groove(146a) formed at the bottom surface of the steam guide section, a support shaft(148) inserted into an upper portion of the steam guide unit in such a manner that the support shaft moves in vertical direction penetrating through upper and lower support members; an open/shut-off member(150) coupled to the top of the support shaft so as to allow the steam guide section and the support shaft to be supported by upper and lower support members; an elastic corrugated pipe(152) mounted along the outer periphery of the support shaft and which guides the steam from the heating container to the steam condenser and the solidified water from the condenser to the heating container; a spring(154) mounted at the outer periphery of the corrugated pipe such that top and bottom surfaces of the corrugated pipe contact tightly the bottom surface of the lower support member and the inner upper end surface of the steam guide section; and a seal member(156) inserted into the seal groove of the steam guide section and which prevents steam leakage between the edge of a steam hole(122a) of a cap(122) of the heating container and the lower surface of the steam guide section.
Patent KR-20010028716-A (KR)
Inventor: EOM JAE UK
IPC: H04Q1/20
Filed: 1999-09-22
Abstract: PURPOSE: An N to one duplexing system is provided to connect many circuit assemblies occupying service channels as active states with one circuit assembly operated as a standby state, and to make the standby circuit assembly perform an N to one duplexing control for making a service channel occupied as an active state, when the standby circuit assembly senses a failure generated in the service channel of one of the circuit assemblies. CONSTITUTION: Each circuit assemblies comprises as follows. A status transition requester(32) transmits a standby transition request signal, by a state transition request signal line corresponding to received state transition request information. If service channel information and an active transition request signal are received, a state decider(33) occupies a service channel to transmit an active signal to a state signal line, and transits to a standby state, when a standby transition request signal is received. The state decider(33) transmits a standby signal to the state signal line. An input/output controller(34) enables/disables a transmission output relating to the state signal and the state transition request signal. If a signal for requesting a state transition to a standby state is received in an active state, a bus monitor(31) transmits the signal to the state decider(33). If the standby state signal is received in a standby state, the bus monitor(31) transmits the service channel information and the active transition request signal to the state decider(33). If a failure signal is received, the bus monitor(31) transmits state transition request information relating to the service channel information to the state transition requester(32). A function performer(35) transmits a function failure signal to a function failure signal line.
Patent KR-20010028827-A (KR)
Inventor: HONG YEONG CHAN
IPC: H04L12/28
Filed: 1999-09-27
Abstract: PURPOSE: A circuit emulation device of a communication system is provided to convert DS3 data mixed T1 data and E1 data into an ATM(Asynchronous Transfer Mode) cell. CONSTITUTION: An NMS(Network Management System)(200) supplies construct information on whether many DS2 data constructing DS3 data transceived between communication systems are consisted of each T1 data, or whether many DS2 data are consisted of many E1 data, or whether many DS2 data are consisted of many T1 data and many E1 data. A DS3-T1/E1 converter(100) converts the DS3 data into the many DS2 data, and converts the each DS2 data into the T1 data or the E1 data according to the first selection signal by the construct information. A T1/E1-ATM cell converter(102) converts the T1 data or the E1 data into an ATM cell according to the second selection signal by the construct information. An ATM interface(104) interfaces the ATM cell with an ATM network. A controller(202) receives the construct information, and supplies the first and the second selection signal to the DS3-T1/E1 converter(100) and the T1/E1-ATM converter(102).
Patent KR-20000028764-A (KR)
Inventor: VOLAD JUNIOR VICTOR V
IPC: B25J9/04
Filed: 1999-10-01
Abstract: PURPOSE: A device for transferring a component is provided to automate a repeated step of a producing process, and to have the economic benefit by using a machine in the repeated step performed by a manual operation until now. CONSTITUTION: A transferring assembly(40) to transfer small components contains a device for handling and transferring components(10), a device for accepting components(12), and a control network system(14) to transfer component between a processing or producing processes. Blanking press(18), a beveled press(20) and a piercing press(22) are received or transmitted a control signal between presses(19,20,22) and the control network system(14) by contacting in the control network system(14) through lines(24,26,28). Lines(30,32,34,36) transmit a detecting signal between sensors and the control network system(14) by contacting a positional sensor with various parts and by contacting the transferring device(10) in the control network system(14). The device supplies a link plate to a vent tray, grips a link plate group from the tray, transfers an arm gripped the link plate and a gripper jaw assembly to supply into second processing units(20,22), and maintains the operation of a first processing unit to corporate the first processing unit with second processing units(20,22).
Patent KR-20010036180-A (KR)
Inventor: CHOI JAE DEOK
IPC: A61L2/26
Filed: 1999-10-06
Abstract: PURPOSE: A circuit supplying an electric source of an ultraviolet sterilizer is provided, which can supply the electric source to an ultraviolet lamp and an air-blowing fan through one circuit and makes the other be stopped when one of the lamp and the fan is not operated well. CONSTITUTION: The circuit supplying the electric source of the ultraviolet sterilizer comprises: a rectification part(1) outputting a direct current by rectifying and flattening an alternating current; an oscillating part(2) making two oscillator operated in turns after receiving the direct current from the rectification part(1), outputting the alternating current to a L/C resonance circuit(3); a fan operating part(4) rectifying and outputting the alternating current induced by a secondary coil of the L/C resonance circuit(3); and a part for operating an ultraviolet lamp(5) by using the electric source supplied through the L/C resonance circuit(3).