baber/WOPTO huggingface dataset:
Patent KR-20030063894-A (KR)
Title: reactor for using hydrogen storage alloy
Inventor: CHA GANG UK
IPC: F28D20/00
Filed: 2002-01-24
Abstract: PURPOSE: A hydrogen storage alloy reactor is provided to prevent breakage of a reaction container by receiving the expanded volume of hydrogen storage alloy in the reaction container although the hydrogen storage alloy, filled in the reaction container, expands. CONSTITUTION: A hydrogen storage alloy reactor comprises a reaction container(52) connected to a distributing pip in which hydrogen flows and communicated with the inside of the distributing pipe; a hydrogen passage pipe(53) installed inside the reaction container to be paralleled to the longitudinal direction of the reaction container; hydrogen storage alloy(54) filled in a space formed by the hydrogen passage pipe and the reaction container; and a volume-receiving unit(55) installed inside the reaction container. The hydrogen passage pipe forms a hydrogen passage(53a), and hydrogen of the hydrogen passage flows in and out through the hydrogen passage pipe. The hydrogen storage alloy expands in exothermic reaction according to absorption of hydrogen and extracts in endothermic reaction according to discharge of hydrogen. The volume-receiving unit broadens or narrows the space filled with the hydrogen storage alloy according to the expanding or contracting volume of the hydrogen storage alloy. Thus, breakage of the reaction container is prevented.
Patent KR-20030065812-A (KR)
Title: Method for forming metal wiring having stack structure in crystal liquid display device
Inventor: LEE HO NYEON
IPC: G02F1/1343
Filed: 2002-02-01
Abstract: PURPOSE: A method for forming stacking metal wires of a liquid crystal display is provided to widen a process margin between signal lines, and improve the yield by forming gate and data metals in a stacking structure when a pan-out part is patterned. CONSTITUTION: A first gate film(12) is formed on a substrate(11). A gate insulating film(13) is formed on the substrate including the first gate film. A second gate film(14) is formed on the gate insulating film by using data metal wires, wherein the second gate film is not overlapped with the first gate film and a ratio of the first gate film and the second gate film is 1:1. A passivation insulating film(15) is formed on the gate insulating film and the second gate film.
Patent KR-20030069514-A (KR)
Title: On-chip reference current and voltage generating circuits
Inventor: LEE SEUNG HUN
IPC: G05F3/24
Filed: 2002-02-21
Abstract: PURPOSE: An on-chip type reference current generation circuit and reference voltage generation circuit is provided to generate the reference current and the reference voltage by controlling digitally the current and the voltage. CONSTITUTION: An on-chip type reference current generation circuit and reference voltage generation circuit includes a reference current generation circuit(200) and a reference voltage generation circuit(300). The reference current generation circuit(200) includes an adder circuit(250) and a digital correction circuit(270). The adder circuit(250) receives the first current and the second current and outputs the third current. The digital correction circuit(270) outputs the third current as the reference current in response to a digital control signal. The reference voltage generation circuit(300) includes a voltage level shifter(310) for shifting an internal reference voltage and a voltage driving circuit(330) for converting an output voltage of the voltage level shifter(310) to the reference voltage.
Patent KR-20020035034-A (KR)
Inventor: HUR MUN SUNG
IPC: G06F15/02
Filed: 2002-03-06
Abstract: PURPOSE: An information sharing system for the digital images using the Internet is provided to make a user search and share the information of a real estate if the other user uploads the image of the real estate for a specific location through the Internet. CONSTITUTION: The information sharing system comprises the plural PCs(Personal Computer)(1-3) operated by each member store such as a realty intermediating store, a travel agency and a photo shop, the Internet(3) enabling the PC to share and search the image information for the real estate and a travel site, a master server(5) servicing the registration and transaction of the real estate and controlling the image registration by the member, a DB(Database) server(10) controlling to store and provide the data in a member DB(6), a real estate image information DB(7), a travel site image information DB(8) and a photo image information DB(9) by connecting to a web server(4), and a payment approval system(11) to approve the user to use the image information by connecting to the master server.
Patent KR-20030073438-A (KR)
Title: Process for producing optically pure 3-halo-2-acetoxy-propane amine amide derivatives
Inventor: CHOI YUN HWAN
IPC: C07C231/00
Filed: 2002-03-11
Abstract: PURPOSE: Provided is a method for mass-producing an optically pure 3-halo-2-acetoxy-aminopropane amide derivative in direct and economic mode, by using simple synthesis procedure. CONSTITUTION: The method for producing 3-halo-2-acetoxy-aminopropane amide derivative represented by formula 1, comprises the steps of (i) forming (S)-2,3-dihydroxy aminopropane amide derivative represented by formula 3, by amidation reaction of (S)-2,3-dihydroxy propane amine derivative represented by formula 2; and (ii) forming 3-halo-2-acetoxy-aminopropane amide derivative represented by formula 1, by regioselective acetylation and halogenation of the compound represented by formula 3. In the formulas, R1 is hydrogen or hydroxy protecting group, R2 is C1-C6 alkyl group, aryl group, or araryl group, X is halogen atom, and Y is oxygen or sulfur atoms.
Patent KR-20030073811-A (KR)
Title: A psychological state checker and on-line education method using thereof
Inventor: LEE CHEOL HUI
Filed: 2002-03-13
Abstract: PURPOSE: A device for checking a mental state and an on-line learning method using the same are provided to recognize a mental state of a learner in accordance with a living body chaos theory by detecting an MCG(Mechano-cardiogram) of the learner. CONSTITUTION: A plurality of MCG detection terminals(110-1-110-n) detect an MCG of each user and transmit the MCG. A mental state analysis server(120) decides a mental state of a user from a detected MCG. An MCG detection sensor(112) detects a branch line MCG of the user. A wireless transmitter(114) transmits MCG data detected from the MCG detection sensor(112) by wireless. A wireless receiver(122) receives MCG detection data from the wireless transmitter(114). A mental state analysis device(124) analyzes the MCG detection data received from the wireless receiver(122) and judges a mental state of a user. The mental state analysis server(120) receives MCG detection data of each learner, and recognizes a mental state of each learner. A proper learning method is supplied according to mental state of the learner.
Patent KR-20020073424-A (KR)
Inventor: SCHALL DONALD CRAIG
IPC: B05D1/36
Filed: 2002-03-15
Abstract: PURPOSE: A method for forming a multi-component coating on a substrate at a low temperature is provided to obtain a fracture-resistant coating with durability, which is useful for the roadway markings in winter. CONSTITUTION: The method comprises the steps of applying the component which comprises at least one water-insoluble absorber selected from the group consisting of an organic super absorbing polymer, an ion exchange resin, a hollow spherical polymer, a molecular sieve, talc, an inorganic absorber, a porous carbon material, a non-porous carbon material and their mixtures to the surface; applying the component comprising first aqueous binder to the surface; and drying the coating at a temperature of 0 deg.C or less. Preferably the ion exchange resin contains an acid group selected from the group consisting of sulfonate, carboxylate, phosphate, amino phosphate, their salts and their mixtures, and is transparent or semi-transparent. The organic super absorbing polymer is prepared from at least one monomer selected from the group consisting of an acryl monomer, a methacryl monomer and their mixture.
Patent KR-20030081663-A (KR)
Inventor: PARK SO YEONG
IPC: H01J29/48
Filed: 2002-04-12
Abstract: PURPOSE: An electron gun for cathode ray tube is provided to prevent the enlargement of a diameter of a vertical beam of an electron beam by forming a slot on one side of the fourth grid electrode opposite to the third grid electrode. CONSTITUTION: An electron gun for cathode ray tube includes a cathode(14), the first to the sixth grid electrodes(G2-G4,G5-1,G5-2,G6), and a plurality of bead glasses(10,12). The cathode(14) is used for emitting thermal electrons. The first to the sixth grid electrodes(G2-G4,G5-1,G5-2,G6) are used for focusing and accelerating the thermal electrons which are emitted from the cathode(14). The bead glasses(10,12) are used for arraying and supporting the first to the sixth grid electrodes(G2-G4,G5-1,G5-2,G6). A slot is formed on one side of the fourth grid electrode(G4) opposite to the third grid electrode(G3). The slot and the fourth grid(G4) are formed with one body.
Patent KR-20030083087-A (KR)
Title: Operational amplifier for driving capacitor of high capacity
Inventor: LEE DONG UK
IPC: H03F3/00
Filed: 2002-04-19
Abstract: PURPOSE: An operational amplifier for driving a large capacitor is provided to reduce power consumption by adding a control circuit to drive the capacitor with charging/discharging currents. CONSTITUTION: An input amplifier(410) receives a first signal at a positive signal input terminal thereof, receives a second signal at a negative signal input terminal thereof, amplifies the difference between the first signal and the second signal, and outputs the amplified signal. An output unit(420) receives the third signal from the input amplifier(410), outputs a fifth signal having a first logic stage, receives a control signal having a second logic stage, and outputs a fourth signal. A controller(430) receives the fifth signal having the first logic stage from the output unit(420) to inverse the fifth signal and outputs the control signal having the inversed second logic stage.
Patent KR-20030085308-A (KR)
Title: Polarizing plate holder for using inspection
Inventor: SHIN WI JEONG
IPC: G02F1/13
Filed: 2002-04-30
Abstract: PURPOSE: A holder for testing a polarization plate is provided to reduce the weight and simplify the management by forming the holder with a synthetic resin material and disposing fixing shoulders and holes, wherein the compatibility for various panels is increased. CONSTITUTION: A holder for testing a polarization plate includes a plurality of holder bars(23) and fixing shoulders(22). The holder bars are in a various size according to the size of an LCD panel and fix the LCD panel to a stage of a lightening testing equipment. The fixing shoulders are integrated to the holder bars for fixing a polarization plate(21) which serves as an upper polarization plate of the panel. The fixing shoulders are in the rectangular shape with a predetermined height and a predetermined width. The fixing shoulders are disposed along the holder bars by a predetermined interval.
Patent KR-20020087362-A (KR)
Inventor: IGARI TAKAHIRO
IPC: G11B5/65
Filed: 2002-05-14
Abstract: PURPOSE: To provide a magnetic recording medium which can be manufactured at a substrate temperature of about room temperature by using a substrate made of a resin and is suitable for high-density recording to realize a high coercive force and a high signal-to-noise ratio, and a method of manufacturing the same. CONSTITUTION: A magnetic film which is mainly composed of Co-Pt-Cr and contains an Si oxide is formed on the substrate made of the resin in such a manner that the content of the Si oxide attains 8 to 16 atm.% of the content of the Co-Pt-Cr in terms of Si atoms to reduce the interaction between crystals. In forming the magnetic film on the substrate made of the resin, the substrate made of the resin is deposited in a non-heating state by a sputtering method in a chamber where the gaseous pressure is regulated to 0.133 to 2.66 Pa.
Patent KR-20020090137-A (KR)
Title: Linear compressor
Inventor: AKAZAWA TERUYUKI
IPC: F04B35/04
Filed: 2002-05-21
Abstract: PURPOSE: To provide a linear compressor having high efficiency and high reliability, by previously deviating the center of length in the axial direction of a movable part connected to a piston to the compression chamber side relating to the center of length in the axial direction of a fixed part, and by almost conforming the center of length in the axial direction of the movable part of a linear motor to the center of length in the axial direction of the fixed part when operating. CONSTITUTION: The linear compressor comprises: a cylinder supported by a support mechanism part in a closed vessel; a piston with the same axial center to the cylinder to be supported movably along the axial direction thereof to be formed with a compression chamber between itself and the cylinder; a spring member giving force in the axial direction to the piston; and a linear motor part having a movable part connected to the piston through a hold member and a fixed part fixed to the cylinder for forming a magnetic path between itself and this movable part to make the piston generate thrust moved along its axial direction. The linear compressor is characterized by providing a conformity means conforming the center of length in the axial direction of the fixed part to the center of length in the axial direction of the movable part.
Patent KR-20030090836-A (KR)
Title: a car theft preventing device
Inventor: JUNG SANG RYUL
IPC: B60R25/021
Filed: 2002-05-22
Abstract: PURPOSE: A burglarproof device for a vehicle is provided to effectively prevent a vehicle theft by stopping steering function in a vehicle theft. CONSTITUTION: A burglarproof device for a vehicle is composed of a universal joint(10) connected to an input shaft in a gear box, a lower steering shaft(20) coupled with the universal joint, an upper steering shaft(30) coupled with the lower steering shaft and having a sliding hole(31) into which the lower steering shaft is inserted, a piston(41) integrated with the lower steering shaft, an oil-hydraulic cylinder(40), and an oil-hydraulic pump(50). The oil-hydraulic pump controls flow between an upper chamber(42) and a lower chamber(43) in the oil-hydraulic cylinder, moves the piston, and couples/separates the universal joint with/from the lower steering shaft.
Patent KR-20030092968-A (KR)
Title: Tie rod of steering linkage for automobiles
Inventor: KIM IN SEOP
IPC: B62D7/20
Filed: 2002-05-31
Abstract: PURPOSE: A tie rod of a steering linkage for a vehicle is provided to prevent a connection part of the tie rod and a tie rod end from being stained by foreign materials in traveling on rough roads and the tie rod from being damaged by external force applied on the connection part by mounting a protecting tool to the connection part. CONSTITUTION: In a steering linkage(100) of a vehicle combining an anti-loosing fixing nut(130) to a helical part(111) of a tie rod(110) exposed out of a flexible tube(150) and coupling a combining groove(122) of a tie rod end(120), the tie rod of the steering linkage is composed of the first fixing nut, a combining part(121), helix(161), and gap holding tools(170). The first fixing nut is combined to the helical part of the tie rod combined with the combining groove of the tie rod end to prevent the tie rod from being loosed from the tie rod end. The combining part is formed on the outer periphery of the tie rod end. The helix is formed at the inner periphery of the end of a pipe-shaped protecting tool(160) and combined to the combining part with a second fixing nut(140). The gap holding tools are installed between the inner periphery of other end of the protecting tool and the outer periphery of the tie rod.
Patent KR-20030094585-A (KR)
Title: Knocking apparatus of fuel filler door
Inventor: KOO YEONG DEUK
IPC: B60K15/04
Filed: 2002-06-07
Abstract: PURPOSE: A device for locking a fuel filler door is provided to prevent a vehicle from starting with an unmounted fuel cap through one's carelessness after filling a fuel tank with fuel. CONSTITUTION: A device for locking a fuel filler door has a fuel cap(40) for closing up a filler neck(20) and the filler door for closing a fuel injection port. Piezo-electric sensors(22) for sensing the mounted state of the fuel cap are installed to the outside of the end of the filler neck, and the locking of the filler door is selectively allowed by the signal of the sensor. The piezo-electric sensors are disposed on the lower sides of a flange(21) of the filler neck. A relay switch for opening and shutting the filler door is controlled according to the applying of a current flowing in the piezo-electric sensors.
Patent KR-20030094863-A (KR)
Inventor: JUNG GYEONG SEON
IPC: A47L9/16
Filed: 2002-06-08
Abstract: PURPOSE: A cyclone dust collector is provided to improve the efficiency of dust collecting by smoothly collecting dust in a dust chamber. CONSTITUTION: A cyclone dust collector is composed of a cyclone body(110), an air suction tube(120) connected to one end of the cyclone body, an air discharge tube(130) connected to the top or bottom of the cyclone body, a plurality of dust discharge holes(150) formed at the circumference of the cyclone body, and a dust chamber(160). The dust chamber is communicated with the dust discharge hole, and covers the circumference of the cyclone body.
Patent KR-20030004088-A (KR)
Title: Mobile for video-conferencing
Inventor: BRUZZONE RAUL ALBERTO
IPC: H04N7/15
Filed: 2002-06-28
Abstract: PURPOSE: A mobile for a video conference is provided to have an audio reception path and a video reception path, which are suitable for receiving a video signal and an audio signal, respectively, which are originated from the second audio-visual communication device. CONSTITUTION: An audio-visual communication device(SB) has two reception paths, such as one video reception path(VRP_B) and one audio reception path(ARP_B). The video and audio reception paths(VRP_B,ARP_B) are suitable for receiving a video signal(VS) and an audio signal(AS), respectively, which are originated from the second audio-visual communication device(SA). The audio-visual communication device(SB) has a return control device(CNTRL) suitable for adapting an image frequency(FR) of the video signal(VS) as a function of a noise signal.
Patent KR-20030074052-A (KR)
Title: production method of an artificial eye
Inventor: O CHA SUN
IPC: B29D11/02
Filed: 2002-07-03
Abstract: PURPOSE: A process for production of artificial eye having a good wearing feel, smooth movement responding to eye muscles is provided to contain moisture and to have light weight by adapting PMMA and FOAMEX as raw material of the artificial eye. CONSTITUTION: The process comprises steps of blending polymethylmethacrylate(PMMA) and foamed plastic(FOAMEX) in 1:1 ratio; diluting the blend in an agitator; heating the diluted solution at 200deg.C for 1 hour; breaking the dried material; grinding the broken material into powder; pouring the powder into a mold; heating the material in the mold at 200deg.C; processing the obtained material into desired shapes of artificial eye; and coating the artificial product with PMMA solution. The produced product has light weight and thin thickness capable of floating over water and contains constant moisture.
Patent KR-20030007020-A (KR)
Title: Circuit for driving image signal and display device having the same
Inventor: FUJIYOSHI TATSUMI
IPC: G09G3/20
Filed: 2002-07-03
Abstract: PURPOSE: To provide an image signal driving circuit which eliminates the need to change the input order of image data when a longitudinal and lateral stripe type display screen is driven. CONSTITUTION: An image signal driving circuit which inputs image data DA, DB, and DC as series of serial data by as many as series of basic colors, converts the image data of the inputted series into parallel data for displaying one line on the display screen, and supplies them to the display screen is provided with a register 10 which inputs the image data of the series of the basic colors, sequentially stores the image data of the inputted series, and outputs them as parallel data, a latch 11 which stores the image data of the series of the basic colors outputted as the parallel data by the register, and a selector 12 which selects and supplies image data of one series in specific order out of the image data of the series of the basic colors stored in the latch to the display screen.
Patent KR-20040003794-A (KR)
Title: Cooling and Heating Device Using Hydrogen Storage Alloys
Inventor: CHA GANG UK
IPC: F25B17/12
Filed: 2002-07-04
Abstract: PURPOSE: A heating and cooling device using hydrogen storage alloys is provided to reduce the size of the heating and cooling device by maximizing use of space. CONSTITUTION: A heating and cooling device using hydrogen storage alloys comprises a housing(10) having air suction passages(11,12) and indoor and outdoor exhaust passages(13,14); a pair of reactors(20,25) oppositely installed to the air suction passage sides and filled with hydrogen storage alloys; supports(81,82,83,84) to which the ends of each reactor are fixed; a damper(40) separably guiding air passing through each reactor to the indoor and outdoor exhaust passages; a hydrogen passage pipe connected with each reactor; a pumping unit(60) producing forced sending force to forcibly send hydrogen from one reactor to the other reactor; and a directional control valve(70) installed to the hydrogen passage pipe to control the forced sending direction of hydrogen. The damper comprises a cylindrical case installed between the reactors; a dividing plate separably dividing the inside of the case into two dividing chambers(402,403); plural air inlets and air outlets formed to the case to be communicated with each divided chamber; plural blowing fans(412,414) and fan motors installed to each divided chamber; and a rotating unit reciprocally rotating the case within a predetermined angle range.
Patent KR-20040006062-A (KR)
Title: Apparatus for supplying grease into the nect of work roll
Inventor: JUNG SEUNG CHAN
IPC: B21B27/06
Filed: 2002-07-09
Abstract: PURPOSE: A device for automatically supplying grease to neck part of work rolls is provided to smoothly separate the neck part of the work rolls from spindle coupling even in case of scale infiltration and thermal expansion of roll neck by consistently supplying a proper quantity of grease to the neck part of the work rolls during rotation of the work rolls. CONSTITUTION: The device comprises an upper and lower grease supporting piston(20a) positioned in a grease repository that is a central part of multistep space part penetratingly formed in the neck part of work roll(1) so that the supporting piston(20a) is supported by compression spring(20); a fixture(14) which is fixed to a central part of an inner disc(17) for closing the grease repository, and on a side part of which first grease discharge port(15) is formed; a moving pusher(10) into which the fixture(14) is inserted so that the fixture(14) is elastically supported to the moving pusher(10), and on a side part of which second grease discharge port(11) is formed; an outer disc(7) into which touch ball supported by the moving pusher(10) is inserted, on a central part of which through hole is formed so that the moving pusher(10) is inserted into the through hole, and which closes a grease discharge spot(18) of the space part; a plurality of grease outlets formed on the outer disc(7); a grease charging pipe(12a) penetrated to one side of the outer disc(7) and penetratingly connected to the inner disc(17); and a grease charging nipple(12) connected to an outer end part of the grease charging pipe(12a).