baber/WOPTO huggingface dataset:
Patent KR-20040009053-A (KR)
Inventor: JUNG YONG GYUN
IPC: C08K7/00
Filed: 2002-07-22
Abstract: PURPOSE: A polyamide resin composition for an insulating bar is provided, to improve flexural strength maintenance rate without the deterioration of flexural strength, impact strength and elongation by lowering the absorption rate. CONSTITUTION: The polyamide resin composition comprises a polyamide resin, 2-10 wt% of nanoclay, 10-30 wt% of glass fiber and 5-15 wt% of a high-impact agent, and has an absorption rate of 0.2-0.9 %, a flexural strength of 1,800-3,300 kg/cm¬2, a flexural strength maintenance rate of 80-98 %, an impact strength of 6-20 kg·cm/cm and an elongation of 5-15 %. Preferably the polyamide resin is the polyamide 6 having a relative viscosity of 2.8-3.5 (20 deg.C, 1 g of polymer in 100 ml of 96% sulfuric acid) or the polyamide 66 having a relative viscosity of 2.8-3.5 (20 deg.C, 1 g of polymer in 100 ml of 96% sulfuric acid); the nanoclay is surface-modified with an alkyl ammonium halide-type organizing agent; and the high-impact agent is a copolymer of ethylene and methacrylic acid and is an ionomer whose end is neutralized with a metal ion.
Patent KR-20040009201-A (KR)
Inventor: LEE YEONG HO
IPC: H01J29/76
Filed: 2002-07-22
Abstract: PURPOSE: A deflection yoke is provided to prevent the movement of a magnet ring due to an external impact or such as vibration by supporting elastically the magnet ring through a tension rib. CONSTITUTION: A deflection yoke(4) comprises a coil separator, a deflection coil, and a convergence yoke(20). The coil separator includes a screen portion coupled to a screen surface of a CRT, a rear cover, and a neck portion extended from the center surface of the rear cover. The deflection coil for deflecting electron beams toward a horizontal and a vertical direction is disposed on an inner and an outer side of the coil separator. The convergence yoke includes at least two or more magnet rings(21) inserted into the neck portion of the coil separator for correcting a convergence on the screen and a space ring(30) for spacing a gap between the magnet rings. The space ring includes tension ribs.
Patent KR-20040009865-A (KR)
Title: Ferroelectric memory device having expanded plate lines and method of fabricating the same
Inventor: LEE GYU MAN
IPC: H01L29/76
Filed: 2002-07-26
Abstract: PURPOSE: A ferroelectric memory device having an extended plate line and a fabricating method thereof are provided to increase a degree of integration by connecting one plate line to top electrodes of ferroelectric capacitors. CONSTITUTION: A ferroelectric memory device having an extended plate line includes a bottom interlayer dielectric(74), a plurality of ferroelectric capacitors(82), a plurality of oxygen barrier spacers(83a), a top interlayer dielectric(89,93), and a plurality of plate lines(97). The bottom interlayer dielectric(74) is formed on a semiconductor substrate(51). The ferroelectric capacitors(82) are arrayed in rows and columns on the bottom interlayer dielectric. The oxygen barrier spacers(83a) are arrayed on sidewalls of the ferroelectric capacitors. The top interlayer dielectric(89,93) is laminated on the entire surface of the semiconductor substrate(51). The plate lines(97) are arrayed within the top interlayer dielectric.
Patent KR-20040011087-A (KR)
Title: A process for preparing roxythromycin granules having masked taste and smell
Inventor: JUN HONG RYEOL
IPC: A61K9/16
Filed: 2002-07-27
Abstract: PURPOSE: Provided is a process for preparing controlled release roxithromycin granules having masked taste and flavor, thereby completely masking unpleasant taste and flavor and selectively releasing drugs in the stomach. CONSTITUTION: A process for preparing controlled release roxithromycin granules having masked taste and flavor is characterized by granulating roxithromycin and coating the roxithromycin granule with a coating material and a plasticizer at low temperature.
Patent KR-20040011673-A (KR)
Title: Power amplifier device for mobile communication
Inventor: HAN CHUNG SU
IPC: H03G3/12
Filed: 2002-07-29
Abstract: PURPOSE: A power amplifying device for use in a wireless communication system is provided to set a feedback signal having a size more accurate than that of a conventional passive device. CONSTITUTION: A power amplifying device for use in a wireless communication system includes an input matching unit(21), a signal amplifier(22), an output matching unit(23), a gain control unit(26), a power unit(25) and a bias unit(24). The input matching unit(21) matches the impedance of the signal inputted from outside. The signal amplifier(22) amplifies the external signal inputted through the input matching unit(21). The output matching unit(23) matches the output impedance of the signal amplified at the signal amplifier(22). The gain control unit(26) feedbacks a part of the amplified signal to the signal amplifier(22) by using the active device so as to prevent the gain from being changed at the signal amplifier(22). The power unit(25) supplies the operational power of the signal amplifier(22) and the gain control unit(26). And, the bias unit(24) supplies the bias current to the signal amplifier(22) and the gain control unit(26).
Patent KR-20040012133-A (KR)
Inventor: SHIN DONG YONG
IPC: H03K19/0185
Filed: 2002-08-01
Abstract: PURPOSE: A level shifter and a flat panel display are provided to shift a level of an input voltage to an output voltage of a desired range. CONSTITUTION: According to the level shifter receiving an input voltage signal having a voltage of the first and the second level in turn and then generating a voltage of the third and the fourth level according to the first and the second level voltage, the first transistor(M1) is connected between the first power supply having a voltage of the fifth level and an output port and receives the above input voltage signal through a gate. The second transistor(M2) is connected between the output port and the second power supply having a voltage of the sixth level. A capacitor(C1) is connected between the output port and a gate of the second transistor. And a switching device blocks the input voltage signal and the gate of the second transistor electrically in response to the voltage of the second level, by applying the first level voltage to the gate of the second transistor in response to the first level voltage.
Patent KR-20040002336-A (KR)
Title: Chair with heater
Inventor: LEE YOUNG SIK
IPC: A47C7/74
Filed: 2002-08-09
Abstract: PURPOSE: A chair with a heating source is provided, which has a seat and a backrest long enough for accommodating several people and uniformly warms the people at the same time by thermal convection of water contained in internal spaces provided the seat and backrest. CONSTITUTION: A chair comprises a heating source for warming an occupant by heat transfer media filled in interconnected internal spaces provided at a backrest(11) and a seat(12), the heating source having a housing(20) fixed at the middle of the bottom surface of the seat(12), and a burner installed inside the housing(20), wherein a plurality of support elements(50) are disposed inside the seat(12) in either direction of the central point along the length of the seat(12), and a plurality of interconnected heat conducting pipes(40) fixed on the bottom surface of the seat(12) and extending along the length of the seat(12) to guide heated water contained in the seat(12) to be smoothly convected.
Patent KR-20040017095-A (KR)
Title: PCT Device, Manufacturing Method thereof and Lithium Secondary Battery with the Same
Inventor: KOO CHANG IL
IPC: H01M2/34
Filed: 2002-08-20
Abstract: PURPOSE: A PTC(Positive Temperature Coefficient) device having a decreased resistance is provided to obtain a secondary battery having improved performance with no reduction of battery capacity and no loss of electric currents. CONSTITUTION: The PTC device(30) comprises: a PTC material part(31) formed by mixing a polymer material with metal powder; metal laminations(32,33) laminated on both surfaces of the PTC material part(31); metal tabs(34,35) soldered to both metal laminations(32,33), respectively. The PTC device is produced by the method comprising the steps of: modifying a polymer material by mixing the polymer with maleic acid or acrylic acid to make the polymer be polar; mixing the modified polymer material with metal powders; molding the mixture into a desired shape to obtain the PTC material part; laminating metals on both surfaces of the PTC material part; and soldering metal tabs to the metal laminations.
Patent KR-20040019173-A (KR)
Title: Wafer table, apparatus for sawing wafer and attaching semiconductor device and apparaus for sawing wafer and sorting semiconductor device using the same
Inventor: KIM HUI SEOK
IPC: H01L21/683
Filed: 2002-08-26
Abstract: PURPOSE: A wafer table, a wafer sawing/device attaching apparatus using the same, and a wafer sawing/device sorting apparatus are provided to be capable of transferring a sawed semiconductor device without the mechanical interference with another semiconductor device. CONSTITUTION: A wafer table(40) is provided with an adsorbing plate(41) for loading a wafer and a plurality of device adsorbing parts(51) installed at the adsorbing plate corresponding to semiconductor devices. At this time, the adsorbing plate has a sawing guide groove corresponding to a scribe line of the wafer. At the time, the device adsorbing part is capable of moving up and down. The wafer table further includes a vacuum supply part(49) installed at the lower portion of the adsorbing plate for supplying vacuum force to each device adsorbing part.
Patent KR-20030035843-A (KR)
Title: Apparatus for generating preamble sequence in broadband wireless access communication system using orthogonal frequency division multiplexing scheme and method thereof
Inventor: JU PAN YU
IPC: H04L27/26
Filed: 2002-08-27
Abstract: PURPOSE: An apparatus is provided to generate a preamble sequence in a communication system using a broadband wireless communication manner and to generate a frame preamble sequence and a burst preamble sequence at the same time. CONSTITUTION: An aperiodic recursive multiplex(ARM) code generator(200) generates at least one ARM code by outputting the third sequence via multiplying of the first sequence of a predetermined length and the second sequence, where +1 and -1 are repeated, of the same length as the first sequence, outputting the fourth sequence via multiplexing of the first and third sequences, and re-establishing the fourth sequence to the first sequence until the ARM code of a predetermined length is generated. A sub-carrier selecting and frequency masking part(201,202) maps components of the ARM code to sub-carrier waves uniformly distributed at a frequency band. An inverse fast Fourier transform(203) generates a preamble sequence by performing an inverse fast Fourier transform operation for the sub-carrier waves according to the ARM codes.
Patent KR-20040020280-A (KR)
Title: Corrugated matter plate structure building method for gallery entrance
Inventor: KIM JI HYEONG
IPC: E21D11/00
Filed: 2002-08-30
Abstract: PURPOSE: A construction method of a wavy steel plate structure for the beginning of a tunnel is provided to heighten stability of a wavy steel plate structure and to shorten a period of construction. CONSTITUTION: The construction method of a wavy steel plate structure for the beginning of a tunnel comprises the steps of: installing a pair of concrete supports on the ground of the beginning of a tunnel; installing a semi-cylindrical wavy steel plate structure(20) by connecting many wavy steel plates on the concrete support; and piling up soil bags on the upper and lateral sides of the wavy steel plate structure(20).
Patent KR-20040020529-A (KR)
Title: A rubber composition for snow-tire tread
Inventor: PARK JE HWAN
IPC: C08K5/01
Filed: 2002-08-30
Abstract: PURPOSE: A rubber composition for snow tire tread is provided to have excellent braking force on snow/ice surfaces, which is environmentally-friendly, maintains or enhances its tension property by using processing oil blended with aromatics, naphthenes, and paraffins in a specified amount. CONSTITUTION: The rubber composition for snow tire tread comprises a base rubber mixed with one or more selected from a group consisting of natural rubber, styrene-butadiene rubber and butadiene rubber; and other additives including reinforcing filler such as carbon black and silica, process oil, vulcanizing agent, vulcanization accelerator, and anti-aging agent, wherein the process oil is comprised of 24±5 wt% of aromatics, 36±5 wt% of naphthenes, and 40±5 wt% of paraffins. The process oil has less than 3 % of PCA (polycyclic aromatic).
Patent KR-20030023502-A (KR)
Title: Method of allocating power for the simultaneous downlink conveyance of information between multiple antennas and multiple destinations
Inventor: KOGIANTIS ACHILLES GEORGE
IPC: H04B7/005
Filed: 2002-09-07
Abstract: PURPOSE: A power allocating method for the simultaneous downlink conveyance of information between multiple antennas and multiple destinations is provided to satisfy a desired system requirement by scheduling a plurality of subscriber equipments on the basis of the sets of channel conditions and calculated power allocations for downlink channels of an air interface of a wireless communication system. CONSTITUTION: N antennas are provided for simultaneously transmitting information to multiple subscribers. Channel conditions are retrieved from signaling information received from the multiple subscribers through the N antennas(300). Sets of channel conditions associated with the multiple subscribers are determined(302). Power allocations is calculated on the basis of the determined sets of channel conditions(304). The calculated power allocations and the sets of channel conditions are applied to a scheduler(306).
Patent KR-20040022830-A (KR)
Title: Breast wall system for foundation applied to reinforced earth
Inventor: SUH DONG SOO
IPC: E02D29/02
Filed: 2002-09-10
Abstract: PURPOSE: A reinforced earth retaining wall system of the road is provided to secure the full tensile strength of a stiffener by using a steel reinforcement as the stiffener and to largely improve the pull-out force by an attachment coefficient of a back-filling body and the stiffener by combining a prefabricated projection with the stiffener. CONSTITUTION: A reinforced earth retaining wall system of the road is composed of a block body(80), a stiffener, a prefabricated projection, and a connecting device. The block body includes a vertical surface(72) formed at one side of a block body unit(71); an arc-shape surface(73) arranged at the other side of the block body unit and formed in an arc or an elliptical shape; a vertical groove(78) formed at the vertical surface to use a front plate; a D-shape groove(74) of which the center is penetrated, formed to the block body unit; a plurality of square projections(75) formed at the arc-shape surface of the block body unit and protruded upward in a double line; groove units(76) formed between the square projections; a lower protruded part protruded at the lower part of the vertical surface; and a placing unit(77) connected adjacently to the surface of the D-shape groove. The stiffener is horizontally constructed in the rear of the block body by using deformed bars, formed with threads at the side, and galvanized. A plurality of projections longitudinally combined to the rear of the stiffener in a conical shape include a combining groove unit to an upper body and an upper protruded unit to a lower body, and cover the outside of the stiffener. The connecting device is combined with the threads of the stiffener, placed and fixed to the groove unit of the block body, and formed with threads at the inside.
Patent KR-20040023052-A (KR)
Title: Air/water separation valve member of warm water pipe for heater
Inventor: MUN JI HYEON
IPC: B60H1/00
Filed: 2002-09-10
Abstract: PURPOSE: An air/water separating valve member of a hot water tube for a heater is provided to allow an air/water separator to automatically work, and to simplify connecting structure of an air purge tube by improving an air/water separator. CONSTITUTION: An air/water separating valve member(32) includes an expansion socket tube(56) interposed in an inlet tube(46) connecting an indoor/driver's seat heating system(40) and a radiator and having a stop valve(36), and having a connecting tube part(64) formed on one side thereof; a lift guiding member(58) having a protruded guide pin(68) formed on a center of a fixed ring(66) mounted on an inner circumferential protrusion(62) of the connecting tube part of the expansion socket tube; an acute type float(60) made of silicon, and having a pin hole(70) formed thereon to be freely inserted to the protruded guide pin of the lift guiding member; and an air purge connecting tube(52) coupled to the connecting tube part of the expansion socket tube, and having a port(54) opened and closed by lifting of the acute type float so as to be discharged to the air purge tube.
Patent KR-20030030855-A (KR)
Title: Clamping apparatus
Inventor: HARUNA YOSUKE
IPC: B23Q16/00
Filed: 2002-09-17
Abstract: PURPOSE: A clamping device is provided to flexibly and precisely position and fix a second block as a work pallet to a first block as a table or a pallet of a machine tool. CONSTITUTION: Two positioning devices(4,5) are horizontally spaced apart from two clamping devices(6) at predetermined intervals. Each of the positioning devices includes a positioning hole(23) opened to a work pallet(2); a plug portion(27) protruded from a clamp pallet(1) to insert into the positioning hole; and an intermediate member(30) interposed between the plug portion and the positioning hole, and expanded and contracted in the diametral direction. The intermediate member is supported to move upward and downward by the plug portion and taper-hung on the positioning hole. The intermediate member applies force upward by an elastic member. The clamping device fixes the work pallet to the clamp pallet.
Patent KR-20040027012-A (KR)
Title: Supplying installation of washing water and washing method
Inventor: JUN GYU DONG
IPC: D06F39/08
Filed: 2002-09-27
Abstract: PURPOSE: A washing water supply device and a washing method are provided to improve washing efficiency and to prevent re-pollution in draining rinsing water by dehydrating after injecting basic water and rinsing additionally. CONSTITUTION: Pre-washing is performed among the total washing time by receiving water from a washing water supply device(S301). The intermediate dehydration course is operated, and basic water is injected to the laundry for the predetermined time before finishing the intermediate dehydration course. During the main washing course, agitating is performed for the remaining time of the total washing time and basic water is injected to the laundry(S309). Dehydrating is performed at low speed for the predetermined time, and basic water is injected to the laundry during the main dehydration course(S313). Water is injected after a lapse of time, and the washing tub is rotated at the normal speed. Pollution of the laundry is prevented after washing by injecting basic water during the intermediate dehydration course and the main washing course.
Patent KR-20040027206-A (KR)
Title: Button locking device of parking-lever for vehicles
Inventor: CHO GYEONG HUI
IPC: B60K20/02
Filed: 2002-09-27
Abstract: PURPOSE: A button locking apparatus for a parking lever of a vehicle is provided to prevent a parking brake from releasing unnecessarily by fixing and releasing a button and to minimize friction between the button and a cap by supporting the button with the cap separating at a specific interval. CONSTITUTION: A button locking apparatus for a parking lever of a vehicle includes a button(30), a cap(10) and a liner(20). The button is installed inside a parking lever(1). More than one fixed protrusion(32) is formed to an outer peripheral surface of the button. The cap is installed to a side of the button. A fixing hole(12) is formed to a side of the cap corresponding to the fixed protrusion. More than one guide protrusion(11) is formed to an outer peripheral surface of the cap. The liner is fixed to an inner peripheral surface of the parking lever. A guide groove(21) is formed to an end of a side of the liner corresponding to the guide protrusion. Thereby, a parking brake is not released unnecessarily by fixing and releasing the button of the parking lever at a driver's own will. Rotation of the cap is prevented and friction between the button and the cap is minimized by supporting the button with the cap separating at a specific interval.
Patent KR-20040028050-A (KR)
Title: Buffer ring for window setting and setting method using of it
Inventor: SONG AN GUK
IPC: E06B3/62
Filed: 2002-09-28
Abstract: PURPOSE: A buffer ring for fixing a window is provided to reduce the cost and time required for manufacture, and to have excellent durability and safety. CONSTITUTION: The buffer ring(10) is installed between a wall(1) of a steel plate and a window plate(2) of glass or acryl window, and provided with a wall groove(10a) to interpose the wall(1), a window plate groove(10b) to interpose the window plate(2), and an opening knob(11) adjacent to the window plate groove(10b) to widen an opening of the window plate groove(10b) when interposing to the window plate groove(10b) of the window plate(2).
Patent KR-20040028118-A (KR)
Title: Structure for underground watertight wall and method thereof
Inventor: KIM HYEONG JIN
IPC: E02D5/06
Filed: 2002-09-28
Abstract: PURPOSE: An underground watertight wall structure is provided to promote constructability and watertight efficiency. CONSTITUTION: The underground watertight wall structure contains: many main piles(100) buried longitudinally to the ground or the underwater ground and provided with many grooves(110) formed longitudinally on both sides of a main pile; and many auxiliary piles(200) interposed longitudinally to the grooves(110) to fill up a gap between main piles(100). The underground watertight method using the underground watertight wall structure comprises the steps of: excavating to bury a main pile; preparing a temporary auxiliary pile formed as a structure to fill up a groove(110) of the main pile(100); burying the main pile provided with both grooves fixed with temporary auxiliary piles; excavating another main pile adjacently to the buried main pile; burying another main pile provided with both grooves fixed with temporary auxiliary piles; removing temporary auxiliary piles between main piles; and buffing the auxiliary pile(200) to grooves of the main pile where the temporary auxiliary piles are removed.