baber/WOPTO huggingface dataset:
Patent KR-20030078334-A (KR)
Title: Differential amplifier type input buffer in semiconductor device
Inventor: RYU GI HYEONG
IPC: G11C11/40
Filed: 2002-03-29
Abstract: PURPOSE: A differential amplification type input buffer of a semiconductor device is provided to operate at a low speed and also to reduce current consumption at the low speed operation case. CONSTITUTION: According to the differential amplification type input buffer of a semiconductor device, a differential input unit(M10,M11) receives a reference signal and an input signal. A current mirroring unit is connected between the above differential input unit and the first power supply. The first biasing unit is connected between the differential input unit and the second power supply, and provides the first bias current in response to a buffer enable signal(/buffer_en). A buffer control signal generation unit generates a buffer control signal(buffer_ctrl) to indicate whether an operation frequency is a low frequency or a high frequency. And the second biasing unit is connected between the differential input unit and the second power supply, and provides the second bias current selectively according to the operation frequency in response to the buffer enable signal and the buffer control signal.
Patent KR-20030082856-A (KR)
Title: Device for Cooling an Object
Inventor: YANG JUNG WOOK
IPC: F25D3/08
Filed: 2002-04-18
Abstract: PURPOSE: An apparatus for cooling an object is provided to prevent an outer compartment from tearing. CONSTITUTION: An apparatus comprises a transformable sleeve type main body. The sleeve type main body is placed around a bottle. The sleeve type main body includes a plurality of inside compartments(3), and six outside compartments(4). The inside compartments and the outside compartments are separated by separating walls(5). Each of the inside compartments stores nonfreezing coolant(6). Each of the outside compartments stores compressible elastic material(7) such as polyester foam. The outside compartment is made of fabric with air permeability, elasticity and water absorptiveness. The inside compartments are pressed outward together with the separating walls by contacting with the bottle as the apparatus is placed around the bottle. Outside walls(8) of the outside compartments resist being moved outward to allow the elastic material to be compressed between the inside compartments and the outside compartments. Intensity of the compression of the elastic material is determined by a diameter of the bottle.
Patent KR-20020041794-A (KR)
Inventor: SIM I SEOP
IPC: H04L9/32
Filed: 2002-05-01
Abstract: PURPOSE: A method for authenticating an identity using a mobile terminal is provided to authenticate a self identity by displaying contents of a plastic identification card. CONSTITUTION: A mobile terminal stores and registers a user's information in a member authentification database(22) wherein the user's identity is authenticated. A peculiar image including an identification code, a text, and a graphic corresponding to the user's identity information is generated and stored in a predetermined database. The identification code includes a bar code. The user downloads the peculiar image stored in the predetermined database in the mobile terminal. The peculiar image downloaded in the mobile terminal is displayed to authenticate a self identity.
Patent KR-20020086231-A (KR)
Inventor: HASHIMOTO HIROSHI
IPC: A01K87/06
Filed: 2002-05-02
Abstract: PURPOSE: To provide a reel sheet having a front nut type structure and capable of preventing the butt part of a fishing rod from a damage. CONSTITUTION: This reel sheet is obtained by forming a protecting part 32 at the tip end part of the reel sheet main body 33. Both of them are formed as one unit. The protecting part 32 is formed as a tubular state so as to surround the butt part 31 of the fishing rod main body 22. The length (s) of the protecting part is set so that the nut member 26 is out of contact with the butt part 31 even if the nut part 26 slides.
Patent KR-20030087365-A (KR)
Title: A sucrose-containing material for art and craft
Inventor: HAN JUN SANG
IPC: G09B19/10
Filed: 2002-05-08
Abstract: PURPOSE: A sucrose-containing material for art and craft is provided to prevent an evil influence upon human body by using only sugar and food additive. CONSTITUTION: A material including sugar includes sugar of 100 weight percent. The sugar of 100 weight percent includes carboxymethyl cellulose of 0.5 to 10 weight percent, glucose of 5 to 20 weight percent, sugar alcohols of 5.0 to 30 weight percent, starch of 0.5 to 10 weight percent, and water of 0.5 to 15 weight percent. The sugar alcohol is formed with xylitol, sorbitol, mannitol, maltitol, isomalt, lactitol, or a mixture of xylitol, sorbitol, mannitol, maltitol, isomalt, and lactitol. The technological material including sugar further includes one or more elements of vegetable oil of 0.3 to 5.0 weight percent, glycerin of 1.5 to 15 weight percent, citric acid of 0.001 to 0.01 weight percent, sodium acetate of 0.01 to 1.0 weight percent, food colors of 0.01 to 1.0 weight percent, and spice of 0.01 to 2.0 weight percent.
Patent KR-20030088817-A (KR)
Title: Multi mode filter device and signal transmit-receive device using multi mode filter device
Inventor: PARK GYEONG CHEOL
IPC: H04B1/40
Filed: 2002-05-15
Abstract: PURPOSE: A multi-mode filter device is provided to commonly use a filter unit determining frequency passing bands transceived from many transceivers, thereby reducing layout of a signal transceiving device and improving insertion loss characteristics. CONSTITUTION: The first and the second resonators(51,52) consist of inductors(L6,L7) and capacitors(C10,C11) connected in parallel. The first and the second capacitance variable units(61,62) vary capacitance according to size of power supplied from outside, and are connected to the first and the second resonators(51,52) in parallel. A coupling element(70) is formed between the first and the second capacitance variable units(61,62). A power unit(80) supplies power to the first and the second capacitance variable units(61,62). The first capacitance variable unit(61) consists of a capacitor(C12) and a diode(D1) connected in serial. The diode(D1) is a varactor diode.
Patent KR-20030091520-A (KR)
Title: continuous bridge construction method using the lateral beam and preflex-girder
Inventor: LEE HYUNG HOON
IPC: E01D2/00
Filed: 2002-05-28
Abstract: PURPOSE: A construction method for a continuous bridge using a horizontal beam and a main girder(preflex beam) is provided to enhance bending strength, to cut down manufacturing costs and to construct a continuous bridge in a long span. CONSTITUTION: The construction method for a continuous bridge using a horizontal beam and a main girder(preflex beam) comprises the steps of: installing a horizontal beam(200) horizontally on an abutment or a pier; installing a main girder(100) vertically between the abutment and the pier; connecting a joint between the horizontal beam and the main girder using a joint unit; forming joint concrete(400a) of the horizontal beam and the main girder, a web of the main girder, and concrete of a support; and placing/curing slab concrete on the horizontal beam and the main girder.
Patent KR-20030091537-A (KR)
Title: High Performance, Low precious metal loading Pd only Three way Catalyst
Inventor: YEO GWON GU
IPC: B01J23/63
Filed: 2002-05-28
Abstract: PURPOSE: A preparation method of high performance Pa-Rh three way catalyst having low palladium content is provided to obtain particularly excellent purification effect of nitrogen oxides even when small quantities of palladium and rhodium are used and substantially reduce content of palladium and rhodium. CONSTITUTION: In a preparation method of Pa-Rh three way catalyst comprising a step (a) of impregnating alumina with palladium solution, and reducing the alumina impregnated with the palladium solution by thermal fixation; a step (b) of impregnating alumina with rhodium solution, and reducing the alumina impregnated with the rhodium solution using reducing agent; a step (c) of obtaining catalyst slurry by reacting the reduction resulting material with cerium dioxide; and a step (d) of preparing palladium three way catalyst by coating the catalyst slurry on a ceramic monolith support, the preparation method of high performance Pa-Rh three way catalyst having low palladium content is characterized in that the step (c) comprises the processes of preparing first catalyst slurry by 30 to 40 g/L of the cerium dioxide and cerium-zirconium complex oxide (Ce·Zr)O2 to the total apparent volume of the support, adding 5 to 7 g/L praseodymium dioxide to the total apparent volume of the support and adding a mixed solution of palladium and rhodium to the mixture; and additionally adding 40 to 45 g/L of (LaCe)(FeCo)O3 or (LaSr)(FeCo)O3 that is a metal oxide (perovskite) to the prepared first catalyst slurry so that the catalyst slurry of the step (c) is prepared.
Patent KR-20020095086-A (KR)
Inventor: REES JOCHEN
IPC: H05K7/02
Filed: 2002-05-30
Abstract: PURPOSE: A holding device for an electronic component is provided to achieve improved fastening of the component in a circuit, in particular a power converter circuit, and particularly easy, quick and consequently low-cost mounting and maintenance of the component. CONSTITUTION: A holding device for at least one electronic component comprises the first substantially plate-shaped leg(2) and the second substantially plate-shaped leg(3). The two legs(2,3) are connected to each other at one of their leg ends and formed in relation to each other a substantially orthogonal angle. The first leg(2) and the second leg(3) in each case have a leg inner wall(4,5) facing the substantially orthogonal angle. The leg inner wall(4) of the first leg(2) has a receiving surface(6) for the resting of a lateral surface part of the electronic component. The leg inner wall(5) of the second leg(3) has at least one pressing surface(7) for the surface-area contacting of a surface part of the component comprising an electrical terminal.
Patent KR-20020094925-A (KR)
Title: Damper mechanism
Inventor: YOSHIMURA YOSHINARI
IPC: F16F15/134
Filed: 2002-06-12
Abstract: PURPOSE: To prevent abrasion and fracture of coil springs and a spring storage part in a damper mechanism. CONSTITUTION: A clutch disk assembly 1 mainly comprises an input rotation member 2, an output rotation member 3, and the damper mechanism 4. The damper mechanism 4 elastically connects the input rotation member 2 to the output rotation member 3 in the rotation direction and is provided with the multiple coil springs 21 and a pair of spring sheets 51 supporting the end surfaces of the coil springs 21. The spring sheet 51 is provided with a pair of conical engagement parts 57 extending inversely to the coil springs 21, non- rotationally engaged with sheet receiver parts 86 and 96 formed in the input rotation member 2, and has a function engaged with a circumferential end part of a spring storage hole 71.
Patent KR-20030097008-A (KR)
Title: Electrostatic Micro Gripper
Inventor: LEE GWANG CHEOL
IPC: B25J15/06
Filed: 2002-06-18
Abstract: PURPOSE: A micro-gripper using an electrostatic force is provided to reduce the size and manufacturing costs of the micro-gripper. CONSTITUTION: A micro-gripper(100) using an electrostatic force is composed of outer and inner electrodes(115,116) mounted at a board(105) and fixing an object by electrostatic force, at least one elastic support unit(221) connected to the board and supporting the inner electrode, and a micro-actuator(225) formed at the board. The micro-actuator moves the inner electrode away from the object, and puts the object on the desired position.
Patent KR-20040000651-A (KR)
Title: Extract of Radix Salviae miltiorrhizae and Rhizoma Cnidii which inhibit apoptotic cardiac cell death
Inventor: MUN BYEONG SUN
IPC: A61K36/537
Filed: 2002-06-22
Abstract: PURPOSE: Provided is a mixed extract of Radix Salviae miltiorrhizae and Rhizoma Cnidii which has inhibition effect on apoptotic cardiac cell death. Therefore, the extract is clinically useful. CONSTITUTION: A mixed extract of Radix Salviae miltiorrhizae and Rhizoma Cnidii characteristically inhibits apoptotic cardiac cell death by increasing the cell viability, reducing the fraction of DNA and PARP, decreasing the activity of Caspase-3 protease and caspase-9 protease and inhibiting the damage to mitochondrial membrane potential, as well as mitochondrial cytochrome c. The extract synergistically inhibits apoptotic cardiac cell death by combined administration with the antioxidant, N-acetylcysteine(NAC).
Patent KR-20040001934-A (KR)
Title: Power on/off reset circuit
Inventor: KIM HYEONG HWAN
IPC: H03K17/22
Filed: 2002-06-29
Abstract: PURPOSE: A POFR(Power On/Off Reset) circuit is provided to be capable of preventing the glitch of supply voltage and reducing probability of unpredicted reset signal due to unstable voltage drop. CONSTITUTION: A POFR circuit is provided with a power supply circuit(210) for supplying supply voltage, a charging circuit(220) for carrying out a charging process after receiving supply voltage supplied from the power supply circuit, a current delay circuit(230) for delaying the flow of current, and a discharging circuit(240) for controlling the discharge of the charging circuit by flowing current through the current delay circuit when detecting the elimination of the supply voltage. The POFR circuit further includes an inverter(250) for inverting the voltage level inputted from the charging circuit and an inverter chain(260) for generating a reset signal by sequentially inverting the signal inputted from the inverter.
Patent KR-20040003276-A (KR)
Title: Power take-off system and method thereof
Inventor: JIN JEONG SIK
IPC: B60K17/28
Filed: 2002-07-02
Abstract: PURPOSE: A PTO(power take-off) and a control method thereof are provided to control an engine properly in operating the power take-off by using information applied to the engine control unit, and to improve convenience and durability and reduce exhaust gas and fuel consumption by automatically controlling with the engine control unit. CONSTITUTION: A PTO comprises a PTO switch(20) turned on and off by a user; a clutch pedal switch(30) turned on and off according to operation of a clutch pedal; a vehicle speed sensor(40) detecting velocity of a vehicle; an engine control unit(60) operating an engine base on the fuel amount calculated according to the PTO position and engine rpm if the vehicle speed is zero and the clutch pedal switch is turned off in turning on the PTO switch; and a PTO solenoid valve(70) generating power by transmitting vacuum pressure to a PTO vacuum cylinder(80) with operating according to control of the engine control unit. The engine operates properly in actuating the PTO by using information input to the engine control unit.
Patent KR-20040008834-A (KR)
Title: Filler set
Inventor: JANG KYUNG HOO
IPC: B65D81/03
Filed: 2002-07-19
Abstract: PURPOSE: A packing filler is provided to improve the structure of the packing filler and thus, to ease packing and to diversify shapes of the packing filler in dependence of items to be packed. CONSTITUTION: The packing filler includes a resin(10) formed on upper and lower surfaces in uniform sizes; a sealing frame(20) for sealing the upper and lower surfaces of the resin(10); many reinforcing sealing surfaces(30) formed by adhering the upper and lower surfaces of the resin(10); and an air injection nozzle(40) formed at one side of the sealing frame(20) through which air is injected or discharged. A bottom surface(51) of the sealing frame(20) is sealing grooves(50), and both surfaces(52), front and back surfaces(53), and the upper surface(54) are formed in one body.
Patent KR-20040012195-A (KR)
Inventor: KIM JONG DAE
IPC: G02F1/13357
Filed: 2002-08-01
Abstract: PURPOSE: A back light unit of a liquid crystal display is provided to easily fix optical sheets to a mold frame so as to prevent optical sheets from being moved in the back light unit. CONSTITUTION: A back light unit of a liquid crystal display includes a plurality of optical sheets laminated, a mold frame to which the optical sheets are fixed, and the first catch(25) that is located at the edge of the side of each optical sheet and has a through-hole(21) formed at the center. The back light unit further includes the second catch formed at the mold frame and inserted into the through-hole, a slit line(22) that is formed at the first catch of the uppermost optical sheet and divides the first catch into two part, and recesses(23) that are formed at both sides of the first catch.
Patent KR-20020073465-A (KR)
Inventor: KIM IL KON
IPC: B60G11/26
Filed: 2002-08-28
Abstract: PURPOSE: A supporting member of an air suspension hanger is provided to improve the productivity without generating re-operating processes and to prevent the partial weakness of the supporting member by minimizing welding portions. CONSTITUTION: First and second protrusion portions(12b,30) are protruded both sides of a support member(12). A second through hole(12a) and a rotation prevention groove(20) are formed in the center of the support member. The rotation prevention groove(20) is formed in a hexagonal shape to insert a head portion of a shaft bolt. The support member is arranged in the one side of a hanger(11) to easily support the head portion. The second protrusion portion(30) is protruded in the rotation prevention groove to be opposed to the support member. Thereby, the productivity is improved and the partial weakness of the support member is prevented.
Patent KR-20040019795-A (KR)
Title: Pipe socket and method for manufacturing the same and apparatus for manufactoring the same
Inventor: PARK UNE JU
IPC: F16L47/02
Filed: 2002-08-29
Abstract: PURPOSE: A pipe joint tool, a method and a device for forming the pipe joint tool are provided to uniformly melt a pipe and the pipe joint tool by stable thermal conduction in heat-melting for the connection of adjacent pipes by interposing a mesh-type heat generating member between a synthetic resin pipe and first and second synthetic resin sheets, to prevent the pipe from being recessed in carbonization caused by overheating, and to prevent the strain of the pipe and the pipe joint tool generated in the ununiform heat generation of the heat generating member. CONSTITUTION: A pipe joint tool is composed of a synthetic resin pipe(10) for surrounding connection parts of adjacent pipes(1); first and second synthetic resin sheets(30) fixed to the synthetic resin pipe to arrange between each outer peripheral surface of the adjacent pipe and an inner peripheral surface of the synthetic resin pipe; and a mesh-type heat generating member(20) arranged between the first and second synthetic resin sheets and the inner peripheral surface of the synthetic pipe.
Patent KR-20040020268-A (KR)
Title: Magent Fluxion Therapy Method
Inventor: KIM SUN BOK
IPC: A61N2/08
Filed: 2002-08-30
Abstract: PURPOSE: A magnetic field therapy is provided to accomplish reliable curing effect of disease of human body by defining a process for correctly attaching magnet to sore region. CONSTITUTION: The therapy is realized by preparing a magnet product comprising a pair of cases(1,2) made of stainless metal material to cover outside of a magnet(3) coated with transparent resin on surface; and adhesive(4,5) between inner side of each case(1,2) and outer surface of the magnet(3). The cases(1,2) have dimples(1',2') on center portion thereof. The cases(1,2) are helpful for preventing the magnet from oxidation and the dimples(1',2') allow the magnet to closely contact to affected skin portion.
Patent KR-20040020317-A (KR)
Title: liquid crystal device and method thereof
Inventor: CHAE JONG CHEOL
IPC: G09G/
Filed: 2002-08-30
Abstract: PURPOSE: A liquid crystal display and a method of driving the liquid crystal display are provided to improve visual sensitivity and picture quality. CONSTITUTION: A liquid crystal display includes a pixel array, a gate line(121), a data line(171), a pixel electrode, and a thin film transistor. The pixel array is constructed in a manner that a pixel group having the first and second pixel rows is repeatedly arranged. Red, green and blue pixels are sequentially arranged in the first pixel row. In the second pixel row adjacent to the first pixel row, red, green and blue pixels are sequentially arranged. The pixels of the second pixel row are shifted by one pixel in the horizontal direction with respect to the pixels of the first pixel row. The gate line delivers a scan signal or a gate signal to the pixels. The data line transmits a video signal or a data signal to the pixels. The pixel electrode is formed at each of the pixels and receives the data signal. The thin film transistor is formed at each of the pixels.
Patent KR-20040022029-A (KR)
Title: Surface treatment apparatus for steel sheet
Inventor: SONG GEON HYEONG
IPC: B21B45/00
Filed: 2002-09-06
Abstract: PURPOSE: A strip surface treatment apparatus is provided in which welding machine and accumulator are not necessary, flaws are not generated on the surface of color steel sheet, the surface of a strip with very thin thickness can be easily treated, and noise can be substantially reduced during operation. CONSTITUTION: In a strip surface treatment apparatus in which the strip sequentially passes through a plurality of solution tanks so that the surface of the strip is treated as the strip is being transferred with a strip having a certain length being pulled by a tension imparting means(20) installed on transfer path, the apparatus is characterized in that the tension imparting means comprises at least two or more pairs of upper and lower pulleys(22) installed in front and rear of the transfer path with being spaced apart from each other in a certain distance so that the pulleys are rotated by a motor; at least one or more of tension belts(23) connected to the circumference of the pulleys in a caterpillar shape so that the tension belts are respectively contacted with upper surface and bottom surface of the strip; and a pressing means(30) installed at an inner side of the tension belts to pressurize or depressurize the tension belts so that a central part of the tension belts is closely adhered to the surface of the strip, wherein the pressing means comprises a pair of pressing blocks(33,34) and cylinder(35).
Patent KR-20030029454-A (KR)
Title: Unidirectional surface acoustic wave transducer
Inventor: SATO TAKAHIRO
IPC: H03H9/25
Filed: 2002-09-10
Abstract: PURPOSE: A unidirectional surface acoustic wave converter is provided to improve filter characteristics, by using a LBO on a piezoelectric substrate. CONSTITUTION: The surface acoustic wave converter is formed with a metal electrode having a thickness of H whose chief element is aluminum. The metal electrode comprises the first electrode of positive polarity, and the second and the third electrode of negative polarity. The second and the third electrode are arranged on both sides of the first electrode as distant as lambda/4 and 3lambda/8 from a center of the electrode, where lambda is a wavelength of the surface acoustic wave. A normalized width M/lambda of the third electrode is set by an equation that M/lambda = 0.0075xsquare(H/lambda)-0.0624x(H/lambda)+0.3652±0.02, where M is a normalized width of the third electrode.