baber/WOPTO huggingface dataset:
Patent KR-20030075915-A (KR)
Title: reference voltage generating circuit of the high speed current switch
Inventor: OH JE HUN
IPC: H03K17/04
Filed: 2002-03-21
Abstract: PURPOSE: A reference voltage generating circuit of a high-speed current switch is provided to increase the stability of operation by connecting an OP(Operational) amplifier in multi stages to supply a constant reference voltage. CONSTITUTION: A first reference voltage supplying unit(3) is connected to an end of a high-speed current switch to supply a first constant reference voltage(vt) by using a feedback function. A second reference voltage supplying unit(4) is connected to the other end of the high-speed current switch to supply a second constant reference voltage(vb) by using the feedback function. A constant voltage generating unit(5) generates constant voltages at the first and second reference voltage supplying units(3,4) through the feedback function to supply them.
Patent KR-20020076183-A (KR)
Inventor: HARADA YOSHINORI
IPC: C03C3/06
Filed: 2002-03-26
Abstract: PURPOSE: A highly durable quartz glass, its preparation method and apparatus, a quartz glass member, and a semiconductor manufacturing device and a liquid crystal manufacturing device employing the member are provided, wherein the quartz glass is improved in durability, processability and transparency. CONSTITUTION: The quartz glass comprises 0.01-2 wt% of at least element selected from the group consisting of Mg, Ca, Sr, Ba, Y, Hf and Zr. The quartz glass is prepared by dropping the silica powder containing Zr into the furnace using an acid hydride salt as a heat source, layering it, and extending the layer outward. Also the quartz glass is prepared by passing the powder mixture of a silicate powder and the silica powder containing Zr through the plasma arc-coupling region where at least two plasma arcs are coupled and at least two electrodes have opponent polarity, or its neighborhood, thereby melting the mixture.
Patent KR-20030078175-A (KR)
Title: Pre-Heater for Vehicle
Inventor: KIM YONG JAE
IPC: B60H1/00
Filed: 2002-03-28
Abstract: PURPOSE: A pre-heater using a cooling device of a motor vehicle is provided to reduce an electrical energy consumption, while allowing the apparatus to have a simple configuration. CONSTITUTION: A pre-heater comprises the first auxiliary line(L1) where the first electronic control valve(V1) is attached to the rear of a compressor(21) such that the fist auxiliary line is directly connected to an evaporator(25); the second auxiliary line(L2) where the second electronic control valve(V2) is attached in rear of the evaporator such that the second auxiliary line is directly connected to the compressor; an orifice(26) interposed between the second electronic control valve and the compressor on the second auxiliary line; and an electric heater(27) interposed between the orifice and the compressor on the second auxiliary line, and which heats a refrigerant.
Patent KR-20020035057-A (KR)
Inventor: KANG HUN GU
Filed: 2002-04-04
Abstract: PURPOSE: A method and a system for inviting advertisers after performing advertising are provided to contract with an advertiser after advertising for the advertiser on the Internet for a specific time and to automatically delete the advertisements failing to make a contract. CONSTITUTION: The method comprises steps of performing advertising on the Internet in advance by collecting the advertisements inserted into all media such as newspapers and fliers for a specific time(S2), making a contract by performing marketing for the company advertised in advance on the Internet or inducing advertisers to participate in the bid for determination of the superiority and making a contract(S3-S5), and automatically deleting the advertisement failing to make a contract(S6).
Patent KR-20030080456-A (KR)
Inventor: SONG HO YOUB
IPC: B29C39/10
Filed: 2002-04-08
Abstract: PURPOSE: A method for manufacturing a propeller for an airplane is provided to minimize the contraction of the propeller and to improve hardness and strength by using a mixture of epoxy resin, polyvinyl chloride powder, and alumina powder. CONSTITUTION: A method for manufacturing a propeller for an airplane comprises the steps of: mixing epoxy resin, polyvinyl chloride powder, and alumina powder into synthetic epoxy resin(1); inserting a steel plate(2) into the center of the propeller; molding epoxy resin into the propeller.
Patent KR-20030083244-A (KR)
Title: Heat-flux gage, manufacturong method, and manufacturing device thereof
Inventor: LEE YEOL HWA
IPC: G01K7/02
Filed: 2002-04-19
Abstract: PURPOSE: A heat flux gauge, a manufacturing method thereof and an assembly fixture thereof are provided to achieve a firm structure and accurate measuring value through a relevant radiator. CONSTITUTION: A heat flux gauge includes a disk foil(1) having a foil lead wire(3) connected to a core part thereof; and a cylindrical body(2) having the disk foil mounted on a front side thereof, a storage space formed therein, and a body lead wire(4) connected to a rear end thereof. The storage space in the cylindrical body is charged with a filler(5). Space around the foil lead wire is filled with filler after the foil lead wire is electrically connected to a plane of the core part of the disk foil to prevent separation of the foil lead wire from the disk foil. The filler is made of ceramic material resistant against heat. A manufacturing method includes the steps of: a foil welding step spot-welding the foil lead wire on the core part of the disk foil; a body welding step spot-welding the body lead wire on the rear end of the cylindrical body having a mounting part for the disk foil, and the storage space formed therein; an assembly fixture mounting step mounting an assembly fixture having a foil lead wire penetrating hole formed on a core part thereof to the storage space of the cylindrical body; and a foil assembly step allowing the foil lead wire to penetrate the foil lead wire penetrating hole of the assembly fixture, and forcibly inserting the disk foil to the mounting part of the cylindrical body.
Patent KR-20030084183-A (KR)
Title: Method for preparing polyester
Inventor: CHOI JUNG SO
IPC: C08G63/85
Filed: 2002-04-25
Abstract: PURPOSE: A method for preparing polyester is provided, to improve the reaction velocity by employing the composite catalyst for obtaining biodegradable polyester having a high molecular weight and excellent mechanical properties, thermal properties and processability. CONSTITUTION: The method comprises the steps of esterifying 1-2.5 mol of glycol of C2-C14 or polyol based on 1 mol of aromatic, alicyclic or aliphatic dicarboxylic acid of C2-C14 or its derivatives in the presence of a composite catalyst comprising 10-90 parts by weight of a zirconium compound, 5-30 parts by weight of a zinc compound and 5-30 parts by weight of an antimony compound at a temperature of 160-230 deg.C; and polymerizing the obtained one by polycondensation at a temperature of 220-280 deg.C. Preferably the zirconium compound is selected from the compounds represented by Zr(-X)n, Zr(-OX)n, Zr(-OR1)n, and formulas 3, 4 and 5, wherein R1 to R11 are identical or different one another and are an aliphatic or alicyclic alkyl group of C1-C14 or an aromatic aryl group of C1-C14; X is a halogen atom, a nitrile group or a sulfonyl group; and n is an integer of 2-4.
Patent KR-20030084216-A (KR)
Title: Remote control apparatus for tractor in auxiliary machineries connected to tractor
Inventor: JOO IL HWAN
IPC: A01B69/04
Filed: 2002-04-25
Abstract: PURPOSE: A remote control apparatus for a tractor in an auxiliary machine connected to the tractor is provided to make the work of the auxiliary machine easier by remotely controlling the tractor. CONSTITUTION: The remote control apparatus is characterized in that: a selection changeover valve(120) is installed on a steering cylinder(110) of a tractor for selecting a hydraulic force from a tractor steering valve or a remote control part(200'), and the remote control part(200') is organically connected to a joint jack for remotely controlling the tractor using a hydraulic force of an auxiliary hydraulic pump(203) connected to a P.T.O. connecting shaft(202).
Patent KR-20030084475-A (KR)
Title: Apparatus combining planer and blasting
Inventor: JEON IN TAEK
IPC: E01C23/00
Filed: 2002-04-27
Abstract: PURPOSE: An apparatus combining planner and blasting machine is provided to execute a planning work and a blasting work simultaneously with one equipment, to exclude the necessity of an auxiliary generator without using electricity as a power source, to prevent the scatter of dust and pollutant in a job site and to simplify work by attaching a traveling device. CONSTITUTION: The apparatus combining planner and blasting machine comprises: a main body(100) attached with a traveling device, a dust collector and a hydraulic generator; a coupler attached on the front of the main body(100) composed of a primary coupling plate(410) attached on the front of the main body(100), a secondary coupling plate(420) hinged on the front of the primary coupling plate(410) to move vertically and provided with a coupling shaft(425), a hydraulic cylinder(450) attached to the lower side of the primary coupling plate(410) and the upper side of the secondary coupling plate(420) to move the secondary coupling plate(420) vertically by hydraulic pressure, and a third coupling plate(430) fixed on the rear end of an operator and provided with a perforated hole to couple with the coupling shaft(425) of the secondary coupling plate(420); and an operator composed of a planner and a blasting machine coupled by the coupler to execute a planning work and a blasting work selectively by the hydraulic pressure generated from the hydraulic generator of the main body(100).
Patent KR-20020086232-A (KR)
Title: Message authentication system and method
Inventor: PATEL SARVAR
IPC: G09C1/00
Filed: 2002-05-03
Abstract: PURPOSE: Message authentication system and method is provided to improve efficiency over NMAC for short messages by using serval functions built in the device. CONSTITUTION: The systems which provide wireless communications service to wireless units(e.g., wireless units 12a-c) that are situated within the geographic regions(14,16), respectively. A Mobile Switching Center(e.g. MSCs 20 and 24) is responsible for, among other things, establishing and maintaining calls between the wireless units, calls between a wireless unit and a wireline unit(e.g., wireline unit 25), and/or connections between a wireless unit and a packet data network(PDN), such as the internet. As such, the MSC interconnects the wireless units within its geographic region with a public switched telephone network(PSTN)(28) and/or a packet data network(PDN)(29). The geographic area serviced by the MSC is divided into spatially distinct areas.
Patent KR-20030089085-A (KR)
Title: High-speed optical CDMA code generator method using super structured long period fiber gratings
Inventor: JUN SANG YEONG
IPC: G02B6/10
Filed: 2002-05-16
Abstract: PURPOSE: A method for generating a very high speed OCDMA(Optical Code Division Multiple Access) code using an arrayed long period fiber grating is provided to reduce the noise through a multiple reflection by using a time delay generated due to a path difference between a core mode and a cladding mode. CONSTITUTION: An optical pulse is projected into an optical fiber core(11). When the optical pulse reaches an LPFG(Long Period Fiber Grating)(13), an optical power of the optical pulse is divided to the optical fiber core(11) and a cladding(12). The divided optical pulses propagate in a core mode and a cladding mode. Owing to the difference of an effective refractive index between the optical fiber core(11) and the cladding(12), the divided optical pulses have a time delay defined by Δτ= ΔL(Ncore-Nclad)/c. An LPFG(14) combines and branches the divided optical pulses.
Patent KR-20030015822-A (KR)
Title: Composition comprising plant oil and chemical compound having acaricidal activity
Inventor: LEE HOI SEON
IPC: A01N65/24
Filed: 2002-05-22
Abstract: PURPOSE: A composition containing vegetable oil or a monoterpene compound extracted from a plant is provided which exhibits excellent acaricidal property against mites as compared to conventional acaricidal agents. CONSTITUTION: The acaricidal composition contains 0.01 to 40% by weight of vegetable oil from one or more plants or a monoterpene compound, based on the total weight of the composition. The plants are selected from the group consisting of Pimpinella anisum, Laurus nobilis, Melaleuca leucadendron, Elettaria cardamomum, Pseudotsuga memziesii, Foeniculum vulgare, Ferula galbaniflua, Pelargonium ordoratissimum, Pelargonium radens, Pelargonium capitatum, Helichrysum angustifolium, Andropogon muricatus, Lavandula officinalis, Origanum majorana, Melissa officinalis, Melaleuca viridiflora, Ravensara aromatica, Sassafras albudum, Tagetes erecta, Tagetes patula, Verbena officinalis and Thujopsis dolabrata.
Patent KR-20030090428-A (KR)
Title: Vehicle to clean tanks for separating oil from water
Inventor: KIM MYEONG SUL
IPC: B65F7/00
Filed: 2002-05-23
Abstract: PURPOSE: A vehicle for cleaning an oil/water separation tank is provided to suck waste oil and sludge in the oil/water separation tank and to discharge the waste oil and sludge into a proper place. CONSTITUTION: A vehicle(100) for cleaning an oil/water separation tank is composed of a first tank(110) mounted at the vehicle and storing waste oil, a second tank(120) rotatably installed at the vehicle and storing sludge, a first pump(140) pumping the waste oil and the sludge in the oil/water separation tank into the first tank and the second tank, a first cylinder unit(130) connected to the second tank and tilting the second tank, a second pump(142) operating the first cylinder unit, pipes connecting the pumps to the tanks and having valves(151-156), and a power supply unit. The power supply unit supplies power to the first pump and the second pump.
Patent KR-20030091579-A (KR)
Title: Cathode ray tube with preventing means of vibration for color selection apparatus
Inventor: KIM DONG HWAN
IPC: H01J29/02
Filed: 2002-05-28
Abstract: PURPOSE: A cathode ray tube having an anti-vibration member for dichroic device is provided to prevent the vibration of a mask of the dichroic device by removing initially a vibration source to minimize the energy due to the vibration source. CONSTITUTION: A cathode ray tube having an anti-vibration member for dichroic device includes a panel, a funnel, a neck, a dichroic device(34), a hook(36), a spring(38), and a vibration remover(40). The panel includes a phosphor screen. A deflection device is installed on an outer circumference of the funnel. The neck is connected to the funnel. An electron gun is inserted into the neck. The dichroic device(34) is arranged in the inside of the panel to select colors of electron beams. The hook(36) is connected to the dichroic device(34). The spring(38) is connected to the hook(36) and a stud pin. The vibration remover(40) is installed at the hook(36) or the spring(38) to remove a vibration source transmitted to the outside of the cathode ray tube.
Patent KR-20030094946-A (KR)
Title: Automatic bowl pile-up device
Inventor: KIM JONG HEUM
IPC: A47L15/24
Filed: 2002-06-10
Abstract: PURPOSE: An apparatus for automatically classifying and stacking food trays is provided to classify the food trays and dishes according to size and shape, and to stack the separated food trays and dishes with each other. CONSTITUTION: An apparatus for automatically classifying and stacking food trays is composed of a classifying unit(K) for classifying the food trays and dishes from an automatic dish washer(a) according to size and shape and discharging the food trays and dishes to different rails, and a stacking unit(K1) for separating the food trays with the dishes and sensing the food trays and stacking the food trays and dishes in a vertical manner. The stacking unit stands the food trays and dishes up in a vertical manner with arranging the stacked food trays and dishes in a horizontal manner.
Patent KR-20030094947-A (KR)
Title: Aotomatic tableware pile-up device
Inventor: KIM JONG HEUM
IPC: A47L15/24
Filed: 2002-06-10
Abstract: PURPOSE: An automatic dish piling device is provided to improve the working efficiency of an automatic dish washer by automatically piling dishes washed by the automatic dish washer. CONSTITUTION: An automatic dish piling device is composed of a feeding unit having a feeding belt(12) formed at an upper plate(11) of a main body(10), a stopping unit having a stopper formed at predetermined intervals from the end of the feeding belt, a lifting unit moving up dishes on a lifting plate(14), and a piling unit. The piling unit stops and piles the dishes.
Patent KR-20040000974-A (KR)
Title: Back light assembly and direct type liquid crystal display
Inventor: JUNG JAE HO
IPC: F21V13/04
Filed: 2002-06-26
Abstract: PURPOSE: A back light assembly and a direct type liquid crystal display having the same are provided to equalize brightness of first lights emitted from lamps by an optical path changing layer, thereby improving the uniformity of brightness of a back light assembly. CONSTITUTION: At least one or more lamps(310) are provided to generate first lights. A light diffusion plate(330) includes a diffusion layer diffusing the first lights, and an optical path changing layer protruded from one plane of the diffusing layer for changing paths of the first lights, so that the light diffusion plate emit the first lights as second lights having uniform brightness distribution. The optical path changing layer includes at least one or more protrusions including first optical path changing planes inclined at a first angle from an incident plane, and second optical path changing planes inclined at a second angle from the incident plane.
Patent KR-20040006634-A (KR)
Title: Assembled In A Water Tank Of Kitchen For A Ultrasonic Vibration Device
Inventor: CHO NAM HYEONG
IPC: A47B77/08
Filed: 2002-07-13
Abstract: PURPOSE: An ultrasonic vibrator for use in a kitchen is provided, which is fastened with a water tub, so that vibrations are transferred to the water tub containing articles to be cleaned to allow ultrasonic cleaning in a stable manner, thus enhancing a cleaning efficiency. CONSTITUTION: The ultrasonic vibrator(100) for use in a kitchen comprises: a water tub(10) containing articles to be cleaned; a vibration plate(30) having a stud bolt(32) at its center to be coupled to an ultrasonic vibration unit(20); a cylindrical housing(40) connected with the ultrasonic vibration unit(20); a connector(50) threaded with a screw(41) formed on an outer surface of the housing(40); an electric wire(90) for supplying power to the ultrasonic vibration unit(20) across the connector(50); and a driver(60) electrically connected to the electric wire(90) for controlling power supply.
Patent KR-20040009166-A (KR)
Title: Manufacturing apparatus for air-entrained concrete slurry having foaming machine
Inventor: LEE SE HYEON
IPC: B28C9/02
Filed: 2002-07-22
Abstract: PURPOSE: Provided is a foam concrete slurry manufacturing apparatus having a foam generator to generate size-reduced foams inside a concrete slurry, and to uniform the distribution of foams. CONSTITUTION: The foam concrete slurry manufacturing apparatus has a mixing tank(100) equipped with an impeller for mixing concrete slurry materials; a pump(200) for discharging mixed materials in the mixing tank(100); a compressor(400) for compressing the mixed concrete slurry by air pressure; a discharging pipe(300) for discharging the mixed slurry having air; and a foam generator(500) mounted on the discharging pipe(300) for discharging the slurry mixed with air. The foam generator(500) generates uniform-sized foams in uniform distribution.
Patent KR-20040011059-A (KR)
Inventor: KIM HEE TAE
IPC: H02K9/06
Filed: 2002-07-27
Abstract: PURPOSE: A cooling structure is provided to protect a bearing from overheat by permitting the air to flow toward the bearing by the nozzles coupled along the circumference of a front end bracket. CONSTITUTION: A cooling structure comprises a housing(120) which accommodates a stator core and a rotor core; a front end bracket(122) and a rear end bracket(124) coupled to both ends of the housing, and which has centers on which bearings(132,134) are mounted; a rotating shaft(130) supported by the bearings and coupled to the rotor core; a cooling fan(140) coupled to the rotating shaft protruded from the rear end bracket; and a plurality of nozzles(150) coupled to the front end bracket. Each of the nozzles includes a hollow body; an inlet port formed at an end of the hollow body in such a manner that the inlet port is communicated to the air path formed between adjacent cooling pieces(126); and an outlet port formed at the other end of the hollow body toward the bearing.
Patent KR-20040011895-A (KR)
Title: Novel Ca2+ independent phospholipase A2, iPLA2,in bovine brain and its use and the preparation method thereof
Inventor: KIM DAE KYONG
IPC: C12N9/16
Filed: 2002-07-31
Abstract: PURPOSE: Provided are novel Ca2+ independent phospholipase A2(iPLA2), in bovine brain and the use thereof for the study of biological mechanism where iPLA2 participates and for prevention and treatment of iPLA2 related diseases and a method for manufacturing the same. CONSTITUTION: A novel enzyme, Ca2+ independent phospholipase A2(iPLA2), is characterized by having molecular weight of 170 kDa measured by SDS-PAGE, optimum pH of 9.0-9.5, and specific activity of 21500n¬mol/minute/mg. It is derived from human or bovine brain.
Patent KR-20040015833-A (KR)
Inventor: JEONG YONG SEOK
IPC: A45B25/28
Filed: 2002-08-13
Abstract: PURPOSE: An umbrella having a water bag is provided to keep rainwater inside the water bag and thus, to cause less inconvenience to others and to keep building floors dry and clean on rainy days. CONSTITUTION: The water bag(101) for an umbrella is made by attaching a cloth(103), preferably the same kind of waterproof cloth used for the umbrella, to the end of the umbrella stands. Approximately a 10cm long cloth(103) in a square shape(105) is fixed at every other umbrella frame. When the umbrella is opened(104), the water bag is closely adhered to the umbrella cloth, but when the umbrella is closed(102), a space is created between the umbrella cloth and the cloth(103) for the water bag, so that rainwater is gathered in the space.
Patent KR-20040016004-A (KR)
Title: Method of construction for waterproof for connection part of construction structure
Inventor: KIM KIL YONG
IPC: E04B1/68
Filed: 2002-08-14
Abstract: PURPOSE: A waterproofing method for a joint of a building structure is provided to prevent an inflow of rainwater and to improve the appearance as a whole. CONSTITUTION: The waterproofing method for a joint of a building structure comprises the steps of: filling up a crack in an upper mortar layer(300) of a joint with sealants injected at high pressure from a pipe connected to a pump; forming primary and secondary spaces in the middle of the joint by removing a mortar layer(300), a waterproof layer and a concrete structure(100) from the appointed distance; applying adhesives(131) in the primary space formed by the removed concrete structure(100); placing an architectural oil caulking member(140) on the upper side of the adhesives(131) to fill up the primary space with the architectural oil caulking member(140); placing a mortar layer(310) on the architectural oil caulking member(140) to fill up the secondary space with a new mortar layer(310); and fixing one end of a cover(400) to the existing mortar layer(300) and installing the other end of a cover(400) to intersect on a new mortar layer(310).