baber/WOPTO huggingface dataset:
Patent KR-20020019503-A (KR)
Inventor: HAN YONG UN
IPC: H05B6/68
Filed: 2002-02-14
Abstract: PURPOSE: A DC(Direct Current) safety circuit of a microwave oven is provided to prevent the damage of circuit devices by detecting the monitoring operation of a monitor switch and the generation of overcurrent. CONSTITUTION: First switching contacts(N11,N21) of first and second monitor switches(MSW11,MSW22) are connected to a plus(+) terminal of a DC current source via a fuse(FUSE1) and second switching contacts(N12,N22) thereof are connected to first and second transistors(50,51). Base terminals of the first and second transistors(50,51) are connected to first and second pulse output terminals(OUT1,OUT2) of a pulse driving circuit(VFC2). Collector terminals of the first and second transistors(50,51) are connected to the second switching contacts(N12,N22) of the first and second monitor switches(MSW11,MSW22).
Patent KR-20030069358-A (KR)
Inventor: AHN SEONG YONG
IPC: H01J11/42
Filed: 2002-02-20
Abstract: PURPOSE: A plasma display panel is provided to achieve improved drive voltage margin by permitting the phosphor of at least one discharge cell to have a different thickness. CONSTITUTION: A plasma display panel comprises red, green and blue discharge cells, and at least one of red, green and blue phosphors deposited on each discharge cell has a different thickness and dielectric constant. The relation between the discharge cell having a relatively low dielectric constant(ε1) from among the discharge cells and the discharge cell having a relatively high dielectric constant(ε2) is expressed in the formula (ε1/ε2)<=d1/d2<=1, wherein d1 is the thickness of the phosphor having a relatively low dielectric constant and d2 is the thickness of the phosphor having a relatively high dielectric constant.
Patent KR-20020031124-A (KR)
Inventor: BAEK TAE SUN
IPC: A44B99/00
Filed: 2002-02-28
Abstract: PURPOSE: A fastening appliance for character articles is provided to devise the variation of design of an existing product by making a user to easily combine various shapes of character articles with various kinds of products. CONSTITUTION: The fastening appliance for a character article(40) consists of a fitting recess body(10) composed of a support plate(14) having a fitting recess(12) and a fixing plate(20) having a fixing hole(22); a fitting member(30) structured to be fitted into the fitting recess and formed with a projection(36) and plural elastic leg pieces(32) spaced each other by a separation space(34); and the character article having an insertion part(42) to be coupled with the upper part of the fitting member.
Patent KR-20030072829-A (KR)
Title: Device and method for preventing walker traffic accident on pedestrian crossing
Inventor: PARK JONG CHUN
IPC: G08G1/095
Filed: 2002-03-07
Abstract: PURPOSE: An apparatus and a method for preventing an accident of a pedestrian on a crosswalk are provided to prevent the accident of the pedestrian or a driver by installing a laser transmission device at an existing pedestrian signal lamp. CONSTITUTION: An apparatus for preventing an accident of a pedestrian on a crosswalk includes the first sensor portion(100), the second sensor portion(200), a control portion(300), and a laser output portion(400). The first sensor portion(100) outputs a sensing signal corresponding to the intensity of illumination. The second sensor portion(200) senses each state of a green lamp and a red lamp of a pedestrian signal lamp and outputs a sensing signal. The control portion(300) receives the sensing signals from the first and the second sensor portions(100,200) and outputs control signals. The laser output portion(400) receives the control signals of the control portion(300) and outputs the laser beam in response to the lighting state of the green lamp.
Patent KR-20030075801-A (KR)
Inventor: CHOI YEONG O
IPC: G09G3/296
Filed: 2002-03-20
Abstract: PURPOSE: A protection circuit of a plasma display panel is provided to prevent damages of elements of the plasma display panel by sensing the internal temperature of a power board of the plasma display panel and performing an overheat protection operation. CONSTITUTION: A protection circuit of a plasma display panel includes an overheat sensing portion(10), an overheat decision portion(20), and an overheat protection portion(30). The overheat sensing portion(10) senses the internal temperature of a power board of the plasma display panel. The overheat decision portion(20) compares a sensed result of the overheat sensing portion(10) to a reference value and generates an overheat protection operation signal if the compared result corresponds to a state of overheat. The overheat protection portion(30) interrupts the supply voltage according to an overheat protection operation signal of the overheat decision portion(20).
Patent KR-20030076026-A (KR)
Title: Optical pickup device
Inventor: JUNG HO SEOP
IPC: G11B7/131
Filed: 2002-03-22
Abstract: PURPOSE: An optical pickup unit is provided to integrate many optical components into one module through a lead frame package, and to use a hologram not to generate dispersive noise, thereby implementing product miniaturization and compactness as improving optical efficiency and reducing the number of optical components. CONSTITUTION: A lead frame package(100) consists of one module. The module comprises as follows. An opening(102) pierces through upper/lower parts. A 2-wavelength light source module(110) projects 2 beams having different wavelength on an optical disk(D). A holographic optical element(130) is installed in an upper part of the light source module. A holographic pattern(132) formed on an upper side of the holographic optical element diffracts all the beams reflected from the optical disk. A holographic pattern(134) transmits one of the beams, and diffracts the other beam. An optical detector(154) is separated from the lead frame package, and independently moves.
Patent KR-20030080323-A (KR)
Title: Method and apparatus for proventing afterimage at liquid crystal display
Inventor: LEE SEOK U
IPC: G09G3/36
Filed: 2002-04-08
Abstract: PURPOSE: A method and an apparatus for preventing an afterimage of a liquid crystal display are provided to prevent an afterimage due to power-off by displaying a fully white data signal on a liquid crystal panel. CONSTITUTION: A liquid crystal panel(50) displays an image. A plurality of signal line driving circuits(46,48) drive signal lines of the liquid crystal panel. A timing controller(42) controls driving timing of the signal line driving circuits and supplies a data signal. A liquid crystal display module power supply unit(44) supplies driving voltages required for the liquid crystal panel, the signal line driving circuits, and the timing controller. A backlight unit(56) provides a beam necessary for displaying the image to the liquid crystal panel. An inverter(54) supplies lamp driving voltage to the backlight unit. A system part(38) drives and controls a liquid crystal module. The timing controller generates a white data signal to be displayed on the liquid crystal panel if the timing controller senses an off-point of lamp power supply supplied to the lamp driving unit.
Patent KR-20030080694-A (KR)
Inventor: KANG OH YOUNG
IPC: B62D1/06
Filed: 2002-04-10
Abstract: PURPOSE: A manufacturing method of a paper cover for a steering wheel is provided to prevent slip in a handling and to produce various figures and colors with a low price. CONSTITUTION: A manufacturing method of a paper cover for a steering wheel is composed of steps of making a planar plate-shaped mold(1) in which cubic pattern is formed by aluminum; molding to fill liquid PVC(Polyvinyl Chloride) into a forming space(3) of the mold; hardening the PVC filled in the mold by heating the PVC at 250 deg.C for 5 minutes; separating the hardened PVC from the mold; and combining and sewing up a separated PVC mold plate(5) to the outside of a rubber ring.
Patent KR-20030080707-A (KR)
Title: Apparatus for slurry supply of chemical mechnical polishing equipment and method for supplying slurry using it
Inventor: MIN BYEONG HO
IPC: H01L21/304
Filed: 2002-04-10
Abstract: PURPOSE: A slurry supply apparatus of a CMP(Chemical Mechanical Polishing) equipment and a slurry supply method using the same are provided to be capable of preventing slurry from being precipitated in a slurry storage tank and a slurry supply tank by using the first and second bubble generating part. CONSTITUTION: A slurry supply apparatus of a CMP equipment(130) is provided with a slurry storage tank(100), a slurry supply tank(120), the first connection pipe(122) for connecting the slurry storage tank to the slurry supply tank, the second connection pipe(132) connected between the slurry supply tank and the CMP equipment for supplying the slurry of the slurry supply tank to the CMP equipment, the first and second impeller(14,16) installed at the slurry storage tank and the slurry supply tank for firstly stirring the slurry of the slurry storage tank and the slurry supply tank, and the first and second bubble generating part installed at the slurry storage tank and the slurry supply tank for secondly stirring the slurry of the slurry storage tank and the slurry supply tank.
Patent KR-20030083126-A (KR)
Title: The method of realizing a linear power supply without a transformer
Inventor: LIM SUNG HO
IPC: H02M1/10
Filed: 2002-04-19
Abstract: PURPOSE: A method is provided to reduce the size and weight of the power supply, while reducing a power consumption and achieving improved efficiency. CONSTITUTION: A method is characterized in that a high voltage of AC 220V is directly converted into a low voltage DC without using a transformer or a switching power supply chip. A linear power supply includes a DC rectifier unit(10) for rectifying an alternating current into a direct current, a voltage sensing control unit(20) for using only a voltage lower than a preset level from among the input voltages, a power supply unit(40) for supplying a power to a DC voltage charger unit(30) with respect to the input voltage lower than a preset level, and cutting off a power supply with respect to the input voltage higher than the preset level; and the DC voltage charger unit stores the power supplied from the power supply unit.
Patent KR-20020083442-A (KR)
Inventor: KIM KYUNG DONG
IPC: B60S3/04
Filed: 2002-04-24
Abstract: PURPOSE: A portable centrifugal washing apparatus for a vehicle is provided to reduce water consumption and pollution by spraying water with resolving into particles through centrifugal force, and to decrease working hours by cleaning, washing and drying at the same time. CONSTITUTION: A washing device for a vehicle is composed of a water storage chamber including water in the body; a water pump supplying water from the water storage chamber by pumping; and a centrifugal separator spraying water to the surface of the vehicle by resolving washing fluid into particles with rotating at high speed. A front roller(3) brushes dust or foreign matters from the surface of the vehicle with rotating, and a rear roller(4) polishes the surface of the vehicle by wiping foreign matters. Washing fluid is resolved into fine particles by the centrifugal separator, and injected to the surface of the vehicle. Water waste is reduced, and environmental pollution is prevented.
Patent KR-20030084389-A (KR)
Title: Weight changing device and measuring instrument calibrating methods thereof
Inventor: CHOI JONG UN
IPC: G01L27/00
Filed: 2002-04-26
Abstract: PURPOSE: A weight changing device and a method for calibrating measuring instrument by using the same are provided to effectively change weights in a pressure vessel so as to correct and test the gauge by generating various measuring pressure. CONSTITUTION: An upper fixing plate(20), a lower fixing plate(40), a weight conveying plate(30), and weights(45) are installed in a pressure vessel(10). The upper fixing plate(20) has an annular shape and a driving screw(62) is coupled to a lower portion of the upper fixing plate(20). A belt correcting device is installed at one side of the upper fixing plate(20). A driving screw coupling connected to the driving screw(62) is installed at one side of the upper fixing plate(20). The driving screw(62) is rotated by a step motor(68) installed on the upper fixing plate(20). The step motor(68) has a rotating shaft inserted into a hole formed at one end of the driving screw coupling.
Patent KR-20030085849-A (KR)
Title: Terminal Protector Of Vehicle Connector
Inventor: JUN IK GYUN
IPC: H01R13/508
Filed: 2002-05-02
Abstract: PURPOSE: A device for protecting a terminal of a male connector for vehicles is provided to prevent the terminal of the connector from being exposed to the outside and deformed. CONSTITUTION: A male connector(3) has at least one terminal(5). A cover(8) is elastically set in an opening in which the terminal is placed according to an elastic member(9). The cover has a terminal passage hole(8a) as many as the terminal. The terminal is exposed through the terminal passage hole to the outside when the cover moves while compressing the elastic member. In the case that a female connector is separated from the mail connector, the cover of the male connector is moved toward the opening according to the elastic force of the elastic member so that the cover covers the terminal.
Patent KR-20020085806-A (KR)
Inventor: HOFMANN JOERG
IPC: C08G65/12
Filed: 2002-05-06
Abstract: PURPOSE: Provided is a double metal cyanide(DMC) catalyst for producing a polyether polyol by the polyaddition of an alkylene oxide to a starter compound, which has increased catalyst activity compared to existing DMC catalysts. CONSTITUTION: The DMC catalyst comprises (a) at least one double-metal cyanide compound; (b) at least one organic complex ligand which is not polyether, polyester, polycarbonate, polyalkylene glycol sorbitan ester, polyalkylene glycol glycidyl ether, polyacrylamide, poly(acrylamide-co-acrylic acid), polyacrylic acid, poly(acrylic acid-co-maleic acid), polyacrylonitrile, polyalkyl acrylate, polyalkyl methacrylate, polyvinyl methyl ether, polyvinyl ethyl ether, polyvinyl acetate, polyvinyl alcohol, poly-N-vinylpyrrolidone, poly(N-vinylpyrrolidone-co-acrylic acid), polyvinyl methyl ketone, poly(4-vinylphenol), poly(acrylic acid-co-styrene), an oxazoline polymer, polyalkyleneimine, a maleic acid copolymer, a maleic anhydride copolymer, hydroxyethylcellulose, polyacetal, glycidyl ether, glycoside, carboxylic acid ester of polyhydric alcohol, bile acid or bile acid salt, bile acid ester, bile acid amide, cyclodextrin, a phosphorus compound, an £alpha|,£beta|-unsaturated carboxylic acid ester, or an ionic surface or interface-active compound; and (c) two different complexing components, each complexing component independently comprising polyether, polyester, polycarbonate, polyalkylene glycol sorbitan ester, polyalkylene glycol glycidyl ether, polyacrylamide, poly(acrylamide-co-acrylic acid), polyacrylic acid, poly(acrylic acid-co-maleic acid), polyacrylonitrile, polyalkyl acrylate, polyalkyl methacrylate, polyvinyl methyl ether, polyvinyl ethyl ether, polyvinyl acetate, polyvinyl alcohol, poly-N-vinylpyrrolidone, poly(N-vinylpyrrolidone-co-acrylic acid), polyvinyl methyl ketone, poly(4-vinylphenol), poly(acrylic acid-co-styrene), an oxazoline polymer, polyalkyleneimine, a maleic acid copolymer, a maleic anhydride copolymer, hydroxyethylcellulose, polyacetal, glycidyl ether, glycoside, carboxylic acid ester of polyhydric alcohol, a bile acid or bile acid salt, bile acid ester, bile acid amide, cyclodextrin, a phosphorus compound, an alpha,beta-unsaturated carboxylic acid ester, or an ionic surface or interface-active compound.
Patent KR-20030089091-A (KR)
Title: Method and apparatus for controlling of washing machine
Inventor: HONG GWON GI
IPC: D06F33/02
Filed: 2002-05-16
Abstract: PURPOSE: A control device of a washing machine and a method thereof are provided to stop normally by outputting a control signal for braking the motor with a main control unit in trouble of braking algorithm driven according to detection of door opening during washing, and to improve reliability by preventing overload to the motor. CONSTITUTION: A control device of a washing machine comprises a key input unit(100) inputting demand of a user; a door opening detecting unit(400) detecting opening of a door; a sub control unit(300) operating the control algorithm for controlling a motor and a load in detecting opening of the door; a main control unit(200) controlling the motor by detecting normal operation of the braking algorithm through communication with the sub control unit, and performing washing course according to the demand of the user; and a display unit(700) displaying the abnormal state according to the control signal of the main control unit.
Patent KR-20020089162-A (KR)
Title: Light irradiation device
Inventor: YONEJIMA KUNIHIRO
IPC: G01J1/00
Filed: 2002-05-17
Abstract: PURPOSE: To irradiate an irradiation region with desired irradiance and desired illuminance distribution in a light irradiation device having a plurality of rod- shaped lamps. CONSTITUTION: In the light irradiation device 1 which irradiates the irradiation region set on a surface to be irradiated with light from a plurality of lamps L1 and L2 by overlapping with each other, the optical sensors S1 and S2 of the number corresponding to the number of lines of the lamps L1 and L2 are prepared and arranged so that only each optical sensor S1 and S2 is irradiated with the light of the corresponding lamps L1 and L2. Then, signals from the optical sensors S1 and S2 are inputted in a control part (not shown), and electric power to be supplied to the corresponding lamps from a lamp power source is controlled on the basis of the signal from each optical sensor S1 and S2 corresponding to each lamp L1 and L2.
Patent KR-20030093573-A (KR)
Title: Control methode for burner in gas oven range
Inventor: JUNG DAE HUI
IPC: F24C3/12
Filed: 2002-06-03
Abstract: PURPOSE: A method for controlling a burner of a gas oven range is provided to prevent damage and generation of error due to back-flow of combustion gas. CONSTITUTION: A first fan(357a) is operated to supply air and mixed gas to a first radiant burner(305a), and a microcomputer senses working of the first radiant burner or the first fan and operates a second fan(357b) to supply air to a second radiant burner(305b) so that combustion gas discharged from the first radiant burner is guided to an exhaust tube(306) together with air discharged from the second radiant burner and discharged through air discharge ports(311) toward a back guard part(400) not to flow back to the second radiant burner when the first radiant burner is operated to radiate radiant wave while a second radiant burner is not operated. RPM of the second fan is same with RPM of the first fan. The second fan and the second radiant burner are operated and the first fan is operated by the microcomputer sensing working of the second radiant burner or the second fan when the second radiant burner is operated to radiate radiant wave while the first radiant burner is not operated so that combustion gas discharged from the first radiant burner is discharged through the exhaust tube and the air discharge ports toward the back guard part not to flow back to the second radiant burner.
Patent KR-20020074427-A (KR)
Inventor: JUNG DONG BIN
IPC: C01B13/02
Filed: 2002-06-25
Abstract: PURPOSE: Provided is a composition containing solid oxygen which is capable of stably supplying the oxygen for a long time because of proper decomposition speed of oxygen. CONSTITUTION: The composition containing solid oxygen comprises a) 70-80 wt.% of sodium perchlorate(NaClO4), b) 1.0-2.5 wt.% of silicon(Si), and c) 17.5-29 wt.% of sodium dioxide(NaO2) or sodium peroxide(Na2O2). The composition has a cylindrical shape and holes on the center of the bottom plate.
Patent KR-20040001918-A (KR)
Title: Method for withdrawal of residue on wafer
Inventor: KIM HYEONG RYUN
IPC: H01L21/66
Filed: 2002-06-29
Abstract: PURPOSE: A wafer impurity recovery method is provided to be capable of analyzing the contamination located at edge portions of a wafer. CONSTITUTION: A container(31) dipped in a recovery solution(30) is prepared. In a wafer impurity recovery apparatus including a driving part(34), a supporter(35) and a chuck(36), a wafer(33) is attached to a chuck(36). Then, the wafer(33) is dipped into the recovery solution(30) using the wafer impurity recovery apparatus. By rotating the wafer(33) using the driving part(34), impurities of the wafer are removed via the recovery solution(30).
Patent KR-20040006473-A (KR)
Title: Method for fabricating thin film transistor
Inventor: IN SEONG UK
IPC: H01L29/786
Filed: 2002-07-12
Abstract: PURPOSE: A method for manufacturing a TFT(Thin Film Transistor) is provided to be capable of restraining a lateral diffusion phenomenon from being generated to a TFT channel when carrying out a post annealing process and securing stable TFT characteristics. CONSTITUTION: After forming the first and second gate(102a,102b) at the upper portion of a semiconductor substrate(100), the first oxide pattern is formed at the upper portion of the first gate. The second oxide layer(106) is then formed on the entire surface of the resultant structure. The upper portion of the first gate is partially exposed by selectively etching the first oxide pattern and the second oxide layer. After forming a polycrystalline silicon layer(108) on the entire surface of the resultant structure, the first and second ion implantation are sequentially carried out at the polycrystalline silicon layer for forming a drain off-set region(108a) and a source region(108b).
Patent KR-20040006716-A (KR)
Title: Method for manufacturing mono mesh textile
Inventor: KWON SEONG YOUL
IPC: D03D15/00
Filed: 2002-07-15
Abstract: PURPOSE: A manufacturing method of mono-mesh textile having various patterns and high quality is characterized by increasing productivity and using angular warp and circular weft. CONSTITUTION: A manufacturing method of mono-mesh textile comprises the steps of: selecting colors and the thickness of warp(10) and weft(20); warping the warp(10) on a warping machine with rotation of a bobbin; weaving plane weave or derivative weave on a weaving machine; heating textile at preset temperature and velocity on a tentering machine; pushing the textile to give air permeability and light resistance on a calendering machine; and then coating one side of the textile on a coating machine to maintain air permeability and light resistance.
Patent KR-20030007228-A (KR)
Title: Semiconductor device and method for manufacturing the same
Inventor: ABIRU TAKAHISA
IPC: H01L23/485
Filed: 2002-07-18
Abstract: PURPOSE: To relieve the step of an aluminium pad on a copper pad, to reduce the film thickness of the aluminium pad, to facilitate manufacture and to prevent the oxidation of the copper pad. CONSTITUTION: Copper is embedded in a connection via opening part 109, arranged in an intermediate layer insulating film 108 covering the copper pad 105, and a connection copper via 111 is formed. The aluminium pad 113, having barrier metal 112 preventing reaction of copper with aluminium at a lower face is formed on the via 111. The copper pad 105 and the aluminium pad 113 are electrically connected via the connection copper via 111. The step of the connection via opening part 109 is set to be almost zero in the connection copper via 111. The film thickness of aluminium for forming the aluminium pad 13 is reduced, and manufacturing cost is reduced. Even if the connection copper via 111 directly under the aluminium pad 113 is oxidized, the oxidation of the copper pad 105 is prevented, disconnection in copper wiring 104 connected to the copper pad 105 is prevented, and the reliability of a semiconductor device is improved.