baber/WOPTO huggingface dataset:
Patent KR-20030065960-A (KR)
Inventor: KIM GI BONG
IPC: G11B7/2542
Filed: 2002-02-02
Abstract: PURPOSE: An optical disk is provided to expand a printing area and expand an available area for printing information related to recording contents of the optical disk by forming a display surface of the optical disk in a plane type. CONSTITUTION: An optical recording surface is formed on one surface of an optical disk(11). A display surface(12) is formed on the other surface of the optical disk. A through-hole(13) is formed in the center of the optical disk to accurately the optical disk by inserting a protruded part of a turntable into the through-hole when the optical disk is loaded into a compact disk player. The display surface of the optical disk is formed in a plane type on the whole to execute an ink jet printing to the whole of the display surface.
Patent KR-20030066040-A (KR)
Title: The manufacturing method of triple cladded copper sheet using stainless steel sheet, aluminum sheet, and copper sheet
Inventor: BAE DONG HYEON
IPC: B32B15/01
Filed: 2002-02-04
Abstract: PURPOSE: A simple copper clad plate manufacturing method capable of simplifying manufacturing facility of copper clad plate and lowering manufacturing cost thereof by enabling the copper clad plate to be manufactured even when copper sheet is heated not at reductive atmosphere, but at an ordinary atmospheric atmosphere is provided. CONSTITUTION: In a manufacturing method of a copper clad plate in which stainless steel sheet, aluminum sheet and copper sheet, the copper clad sheet manufacturing method comprises a step(100) of forming scratches and prominences and depressions on the surface of the aluminum sheet(21) by brushing or sand blasting both surfaces of aluminum sheet(21); a step(200) of constructing a stainless steel sheet/aluminum sheet laminate by laminating the aluminum sheet(21) on one side of the stainless steel sheet(22); steps(300,301) of heating the stainless steel sheet/aluminum sheet laminate and copper sheet(23) to temperatures of 300 to 500 deg.C and 150 to 200 deg.C in heating furnaces under the atmospheric environment respectively; a step(400) of manufacturing a triple laminate(24) by laminating the copper sheet(23) on the surface of the aluminum sheet(21) of the heated stainless steel sheet/aluminum sheet laminate; and a step(500) of rolling the triple laminate(24).
Patent KR-20030068920-A (KR)
Title: Ceramics for high frequency resonator and a method for manufacturing the ceramics
Inventor: MIN SEOK GYU
IPC: H03H9/17
Filed: 2002-02-19
Abstract: PURPOSE: A ceramic composition for a high frequency ceramic resonator and filter and its preparation method are provided, wherein the composition shows improved strength compared with a PZT-based one and a high anisotropy. CONSTITUTION: The ceramic composition comprises Pb0.88(La0.6Nd0.4)0.08(Mn1/3Sb2/3)0.02Ti0.98O3; 0.1 wt% excess of PbO; 1 wt% of MnO2; and α wt% of CuO, wherein α is 0, 0.15, 0.6, 0.75 or 1.0. The method comprises the steps of mixing the composition and pulverizing the mixture; drying the pulverized ceramic composition; calcining the dried ceramic composition; milling the calcined ceramic composition; molding the milled ceramic composition; and sintering the molded ceramics. Preferably CuO is added in the pulverizing process.
Patent KR-20030014096-A (KR)
Inventor: FUJII KENJI
IPC: F16H63/00
Filed: 2002-02-27
Abstract: PURPOSE: A paddy field work machine is provided to avoid such inconveniences that the steering of a machine body is hard to operate during pivotal turn or reverse travel at a lower travel speed and a working device is easily put in contact with a ridge or easily forced into a field because of a time lag in increasing the speed. CONSTITUTION: A speed governing mechanism for an engine(12) is linked with a shift operator(53) for a continuously variable transmission(41) for traveling operation. In the state that the shift operator(53) is in a neutral position N, the engine(12) is set to be in an idling condition, where an engine speed is abruptly increased up to a predetermined high speed in linkage with the operation of the shift operator(53) ranging from the neutral position N to a predetermined low speed position.
Patent KR-20030011215-A (KR)
Title: Nonvolatile semiconductor storage device and storage contents erase method therefor
Inventor: SATOH TAKAYUKI
IPC: H01L21/8247
Filed: 2002-02-28
Abstract: PURPOSE: To provide a non-volatile semiconductor memory and an erasing method of its storage in which a required time for erasure and a peak value of an erasure current can be estimated quantitatively, an erasure current can be reduced also, suppressing the increase in an erasure time. CONSTITUTION: In this non-volatile semiconductor memory, a row decoder 120 controls independently plural row selection line groups 121, 122, the device can control a peak value of an erasure current and can reduce current consumption by applying negative voltage 101 generated by a step-down circuit 160 to each row selection line group 121, 122 shifting a time. Further, in this device, a current restricting circuit 440 of a boosting circuit 150 (400) can generate voltage in a range in which it does not exceed the prescribed current value in accordance with voltage applying conditions for each row selection line group 121, 122 by restricting current consumption of the boosting circuit 400, and current consumption can be reduced in shorter scale.
Patent KR-20030023848-A (KR)
Title: Apparatus for testing distance and level of railroad ties
Inventor: HONG BYEONG NAM
IPC: E01B35/06
Filed: 2002-03-22
Abstract: PURPOSE: Provided is an apparatus for checking space between sleepers and for examining horizontal status of sleepers in front/rear and right/left directions to ensure constant interval between sleepers and horizontal level of the same. CONSTITUTION: The apparatus comprises in general a handle component(201), an interval control component(202) and a bracket component(203). Particularly, the handle component(201) is positioned at center of the apparatus and has female threads(201s) within both sides of body of the handle and on surface of the body(top and bottom sides), two bubble-type measurement devices(201d) to determine horizontal level. The both interval control components(202) are coupled to both sides of the handle component(201) and have male screws(202s) engaged to the female threads(201s) formed on both inner sides of the handle(201).
Patent KR-20030077258-A (KR)
Title: Multi-Chamber Reaction Device for Nucleic acid Amplification and Assay
Inventor: PARK HAN O
IPC: C12M1/00
Filed: 2002-03-26
Abstract: PURPOSE: Provided is a multi-chamber reactor for nucleic acid amplification which is well adapted for reacting micro samples and making mass production in a cost effective manner, and has a thin thickness to induce rapid heating and cooling thereof. CONSTITUTION: The multi-chamber reactor for nucleic acid amplification and analysis of a biological sample solution comprises a reaction block(10) with a plurality of chambers(11) separated from each other to receive the biological sample solution, and partition grooves(12) formed between the reaction chambers; and a transparent sealing cover for sealing the reaction chambers. The reaction chamber has a capacity of 1-20 micro liters. The sealing cover is formed with a heat resistant elastic material. A rim(13) is formed at the periphery of the reaction block with a predetermined height.
Patent KR-20030077685-A (KR)
Title: Printed circuit board custody tray
Inventor: BAE SEOK GEUN
IPC: H05K7/14
Filed: 2002-03-26
Abstract: PURPOSE: A printed circuit board storage tray is provided to protect printed circuit boards from foreign substances, while allowing for ease of storage of printed circuit boards. CONSTITUTION: A printed circuit board storage tray comprises a bottom plate(10); an insertion portion(12) protruded upward along the end of the bottom plate; a mounting portion(14) protruded upward from the bottom plate into the height lower than the height of the insertion portion, wherein the mounting portion permits the printed circuit board to be mounted in the mounting portion; a press portion(16) protruded downward from the bottom plate corresponding to the mounting portion, and which restricts bending of the printed circuit board mounted in the mounting portion; and a support rod(18) extended downward from the bottom surface of the insertion portion and mounted on the top surface of the insertion portion in such a manner that a predetermined gap is maintained between the press portion and the printed circuit board.
Patent KR-20030078532-A (KR)
Title: A method for cholesterol removal of cheeses
Inventor: KWAK HAE SOO
IPC: A23C19/00
Filed: 2002-03-30
Abstract: PURPOSE: Provided is a method for removing cholesterol from cheese particularly by adding beta-cyclodextrin to cream separated from raw milk, followed by homogenization. CONSTITUTION: A method for removing cholesterol from cheese is characterized by comprising the steps of: separating cream and defatted milk from raw milk; adding 5-15 wt.% of beta-cyclodextrin to the separated cream; and homogenizing it with the defatted milk under the pressure of 900-1100 psi.
Patent KR-20030078552-A (KR)
Title: Dual wavelength division multiplexing/demultiplexing device using one planar lightguide circuit
Inventor: KWON O DAL
IPC: G02B6/34
Filed: 2002-03-30
Abstract: PURPOSE: A dual wavelength division multiplexing/demultiplexing apparatus using one planar waveguide optical device is provided to reduce fabrication cost steeply, by making two MUX/DEMUX effects with one planar waveguide optical device. CONSTITUTION: The wavelength division multiplexing/demultiplexing apparatus comprises a number of input/output waveguides and an optical arrayed waveguide grating. A planar waveguide optical circuit(S) includes the first wavelength division multiplexing/demultiplexing apparatus(20) comprising the first optical arrayed waveguide grating and the second wavelength division multiplexing/demultiplexing apparatus(30) comprising the second optical arrayed waveguide grating. The first optical fiber array block(40) comprises ports corresponding to the input/output ports of the first input/output waveguides and connects them to the first ribbon optical fiber(412). And the second optical fiber array block(50) comprises ports corresponding to the input/output ports of the second input/output waveguides and connects them with the second ribbon optical fiber(512).
Patent KR-20030080142-A (KR)
Title: straightness compensation circuit of display device
Inventor: LEE SU MAN
IPC: H04N3/23
Filed: 2002-04-04
Abstract: PURPOSE: A circuit for compensating distortion of a display device is provided to improve the quality of a monitor by compensating distortion of up-and-down linearity of the monitor. CONSTITUTION: A cathode ray tube(21) displays a video signal. A video signal processor separates a brightness signal and a color difference signal from the external video signal. A vertical deflecting unit(22) synchronizes horizontal and vertical synchronous signals for outputting a vertical deflecting signal to deflect an electronic beam to a vertical direction of the cathode ray tube. A feed back unit(23) feeds back the vertical deflecting signal from the cathode ray tube for controlling only the vertical size for displaying a picture having a certain size. A control button unit(24) includes a plurality of control buttons to reflect a picture control intent of a user. A microcomputer(25) receives control signals of the control button unit for outputting a local control signal. A compensating waveform unit(26) outputs a local distortion compensating signal to the vertical deflecting unit according to the local control signal.
Patent KR-20030084033-A (KR)
Inventor: PARK SEOK JUNG
IPC: H01L21/304
Filed: 2002-04-24
Abstract: PURPOSE: A system for cleaning a wafer stage is provided to reduce an interval of time for cleaning the wafer stage by cleaning the wafer stage while not separating the wafer stage from a base. CONSTITUTION: A nozzle(10) injects compressed air to the wafer stage(30). An absorption pipe(20) absorbs the particles floating from the wafer stage by using the compressed air. The nozzle and the absorption pipe are positioned at both sides of the wafer stage. The absorption pipe is so installed to face the location where the compressed air injected from the nozzle collides against the wafer stage.
Patent KR-20030086117-A (KR)
Title: Composition of Tb-activated green phosphor for vacuum ultraviolet excitation
Inventor: KIM CHANG HAE
IPC: C09K11/80
Filed: 2002-05-03
Abstract: PURPOSE: Provided is a terbium activated green fluorescence material for vacuum ultraviolet excitation, which is excited by radiating vacuum ultraviolet rays, has short afterglow time and excellent brightness, and can be used for plasma display panels(PDP). CONSTITUTION: The terbium activated green fluorescence material represented by the formula AB1-xC3O7:Tbx is produced by adding the terbium as an active agent to AB1-xC3O7 matrix, wherein A is Ca, Sr, or a mixture thereof, B is Y, La, Gd, or a mixture thereof, C is Al, Ga, or a mixture thereof, and x is the range of 0.005<x<1. And the terbium activated green fluorescence material is produced by a process comprising the steps of: preparing metal ion solution in which compounds of the matrix components and terbium are dissolved, and mixing; adding citric acid and ethyleneglycol(1:4); drying at 95-135deg.C; electrically heating at 500-700deg.C; calcining at 1000-1300deg.C under an oxidizing condition; re-calcining at 900deg.C under a reducing condition.
Patent KR-20030087729-A (KR)
Title: FBAR filter and duplexer using this
Inventor: LIM JEONG TAEK
IPC: H03H9/54
Filed: 2002-05-09
Abstract: PURPOSE: An FBAR(Film Bulk Acoustic Resonator) filter and a duplexer using the same are provided to enhance a characteristic of attenuation by forming FBARs having a π-type ladder structure. CONSTITUTION: An FBAR filter includes the first FBAR(210a), the second FBAR(210b), the third FBAR(220a), and the fourth FBAR(220b). The FBAR filter has a π-type ladder structure. The first FBAR(210a) is serially connected to the second FBAR(210b). The third FBAR(220a) and the fourth FBAR(220b) are connected between the first FBAR(210a) and the second FBAR(210b). The third FBAR(220a) and the fourth FBAR(220b) are connected in parallel to each other. A duplexer has a π-type ladder structure using the FBAR filter including a transmitting filter portion and a receiving filter portion.
Patent KR-20030088906-A (KR)
Title: A composition for treating sexual dysfunction comprising an extract from sophora flavescenes and compounds isolated therefrom
Inventor: KIM DONG HYEON
IPC: A61K31/353
Filed: 2002-05-15
Abstract: PURPOSE: Provided is a composition for treating sexual dysfunction which contains a flavonoid compound represented by the formula 1 or 2, and an extract of Sophora flavescens containing them, as active ingredients. The composition inhibits on cGMP-PDE5 and is thus useful for the prevention and treatment of sexual disfunction. CONSTITUTION: A composition for treating sexual dysfunction is characterized by containing, as active ingredients, a flavonoid compound represented by the formula 1 or 2, wherein R1 is a unsubstituted or hydroxy group-substituted linear or branched alkenyl group; R2 is hydrogen, hydroxy or C1-C3 alkoxy; R3 and R4 are individually hydrogen or a hydroxy group; and a dotted line represents single or double bond, and its pharmaceutically acceptable salt, hydrates, solvate, isomer or their mixture.
Patent KR-20030089862-A (KR)
Title: mounting stucture of engine
Inventor: JIN HYEON SU
IPC: B60K5/12
Filed: 2002-05-20
Abstract: PURPOSE: An engine mounting structure is provided to easily mount an engine by firmly fixing a bolt for fixing an insulator and to reduce assembling time and cut down manufacturing cost by removing a separate support member. CONSTITUTION: An engine mounting structure is composed of an insulator(200) supported to a fixing bracket installed to a frame of a vehicle body and placed with a supporting bracket disposed to the lower of the engine at the upper part; a bolt(100) vertically penetrated and combined in the middle of the insulator and formed with a bolt unit(120) and a sill unit(130) having an outer diameter different with other parts under the bolt unit; and a spacer(300) formed with a through-hole(310) having a nut unit(312) in the middle of the inner periphery, inserted along the bolt unit of the bolt and rotatively fitted into the sill unit.
Patent KR-20030090091-A (KR)
Title: Method and apparatus for controlling home network of digital TV
Inventor: JUNG HYE CHEON
IPC: H04N7/14
Filed: 2002-05-21
Abstract: PURPOSE: A device and a method for controlling a home network of a digital TV are provided to remotely control operations of a TV through inner and outer networks even in a state that the TV is turned off. CONSTITUTION: A power unit(102) supplies standby power. A TV microcomputer(104) receives the standby power and recognizes an external command through a PLC(Power Line Carrier) modem(107) for controlling power supply inter-working with inner and outer networks through the PLC modem. A digital processor(110) processes a video signal received through an antenna as a signal displayable on a picture according to a control signal of the TV microcomputer if a power-on command is inputted. The digital processor controls communication with equipments connected to the inner and outer networks. A switching unit(106) transmits the command to the TV microcomputer, and switches to execute home networking by the command inputted through the digital processor according to the control signal of the TV microcomputer.
Patent KR-20030024553-A (KR)
Inventor: KASATANI YASUSHI
IPC: H01L23/28
Filed: 2002-05-24
Abstract: PURPOSE: To provide a reliable semiconductor device which enables relatively easy visual inspection and later adjustment of lead bonding sections, secures relatively high lead bonding reliability, and has only less decline in bonding strength in the lead bonding sections, even if there is a displacement between semiconductor devices in upper and lower stages when they are mounted. CONSTITUTION: The top face of a package 2 comprises a projecting face 2a and an exposed face 2b having a difference in level with the projecting face 2a. Each of a plurality of leads 3 comprises the lead bonding section 3a on the exposed face 2b for stacking another semiconductor device above the package 2. The width L2 of the lead bonding sections 3a is larger than the width L1 of the other part of the leads 3.
Patent KR-20030091356-A (KR)
Title: Passive transponder
Inventor: CHOI JAE UK
IPC: G01S13/76
Filed: 2002-05-27
Abstract: PURPOSE: A manual transponder device is provided to improve the restrictive usage of an RF-ID system by recording and erasing ID data. CONSTITUTION: A manual transponder device includes a detector/rectifier(100), a charger tank(120), a chip power shunt portion(140), a modulation shunt portion(200), a storage portion(160), a detection/input buffer(240), a controller, and a modulator(220). The detector/rectifier(100) is coupled to an antenna through the second and the third antenna connection terminals to convert an RF signal to the first and the second voltage signals. The charger tank(120) is coupled between the first voltage signal output portion of the detector/rectifier(100) and the first antenna connection terminal to transmit the first voltage signal as the driving power. The chip power shunt portion(140) is coupled between the first voltage signal output portion of the detector/rectifier(100) and the first antenna connection terminal to restrain the intensity of the first voltage signal. The modulation shunt portion(200) is coupled between the second voltage signal output portion of the detector/rectifier(100) and the first antenna connection terminal to restrain the intensity of the second voltage signal. The storage portion(160) stores initial data and transmission data. The detection/input buffer(240) is coupled between the second voltage signal output portion of the detector/rectifier(100) and the controller. The controller is used for controlling all operations of the manual transponder device. The modulator(220) is coupled between the second voltage signal output portion of the detector/rectifier(100) and the first antenna connection terminal to modulate the amplitude of the transmission data.
Patent KR-20020050208-A (KR)
Inventor: PARK HO WON
IPC: C02F1/46
Filed: 2002-05-27
Abstract: PURPOSE: A system for producing electrolytic water for livestock drinking water in which a storehouse that contains nutriments and additives by the side of electrolytic water creator and doses them to electrolytic water is provided to increase superiority of livestock and to prevent waterborne diseases by feeding electrolytic water to them. CONSTITUTION: The system comprises: an electrolytic tank(20) which contains water(10); a flow meter(30) which is connected to the electrolytic tank; a nutriments storehouse(50) which stores nutriments and additives; an automatic pump(40). The electrode in the electrolytic tank is composed of flat shape and mesh shape, and is plated with white gold. The flat shape of electrode is connected with the anode and the mesh shape of electrode is connected with the cathode.
Patent KR-20030092718-A (KR)
Title: Aluminium alloy for cylinder head of diesel engine
Inventor: HAN DO SEOK
IPC: C22C21/02
Filed: 2002-05-31
Abstract: PURPOSE: An aluminum alloy for cylinder head of diesel engine is provided to improve heat resistance and fatigue life time of the cylinder head by increasing hardness of parts such as cylinder head of high pressure high power diesel engine at which severe thermal load is applied. CONSTITUTION: The aluminum alloy for cylinder head of diesel engine comprises 7 to 10 wt.% of silicon, 0.5 to 2.0 wt.% of copper, 0.4 to 1.0 wt.% of magnesium, 0.15 wt.% or less of Fe, 0.5 to 1.0 wt.% of titanium, 0.05 to 0.1 wt.% of manganese, 50 to 300 ppm of strontium, 0.15 wt.% or less of other inevitable impurities and a balance of aluminum.
Patent KR-20030093576-A (KR)
Title: Textile for Baking Material
Inventor: JUNG SANG SU
IPC: B24D11/00
Filed: 2002-06-03
Abstract: PURPOSE: A textile for an abrasive cloth is provided to reduce the reject rate of the abrasive cloth, and to reduce the loss of the textile by minimizing the bow and skew states of the textile. CONSTITUTION: Deformation preventing yarn(10) is woven at the edge of a textile at predetermined intervals from leno yarn(3), and prevents the deformation of the textile. The deformation preventing yarn includes heavier fiber yarn than warp.