baber/WOPTO huggingface dataset:
Patent KR-20020004294-A (KR)
Title: A power-saving circuit in a video display system
Inventor: KANG HO UNG
IPC: H04N5/63
Filed: 2000-07-04
Abstract: PURPOSE: A power management circuit of an image display device is provided to repeatedly drive or stop a driving unit of a switching power circuit in case of power management mode, and to minimize power consumption of the secondary coil of a transformer in the power management mode. CONSTITUTION: A switching power circuit includes an input part(10) for receiving an external AC power and converting the AC power into DC power, a power transistor(20) switched on/off according to a PWM control signal, and a transformer(30) for receiving the DC voltage through the primary coil and induces AC voltage to the secondary coil according to the switching on/off of the power transistor. The switching power circuit further has an output part(40) for converting the AC voltage received from the secondary coil of the transformer into DC voltage to provide the DC voltage to parts of the circuit, a feedback part(50) for converting AC voltage received from the third coil of the transformer into DC feedback voltage, and a driver(60) for generating the PWM control signal according to the feedback voltage to supply the PWM control signal to the power transistor. A power management circuit of an image display device includes a microcomputer(70) for generating a power management signal in case of power management mode, a power management unit(80) for blocking the DC voltage provided from the output part of the switching power circuit to the parts of the circuit when received the power management signal from the microcomputer, and a super-power-management unit(90) for supplying a square wave of 0 to +Vcc synchronized with power frequency to the feedback voltage of the driver when received the power management signal from the microcomputer, to repeatedly drive or stop the driver.
Patent KR-20010049718-A (KR)
Inventor: MITTERMEIER NORBERT
IPC: F16L21/00
Filed: 2000-07-05
Abstract: PURPOSE: A rotary joint is provided which suffers few leakage losses even in guiding a non-lubricating medium and which passes even when its rotary part rotates at high speed. CONSTITUTION: A medium is conveyed from a stationary(3) to a rotary machine part(1). A first seal(7) is in the form of two superimposed, sliding, smooth, and circular slide sealing surfaces(4,6) which are concentric with the rotational axis(10) of the rotary machine part. The sealing surfaces are movable axially apart so that they are no longer in contact with each other while the rotary machine part is turning. An extra seal(17) has sealing surfaces formed by cylinder casing surfaces(14,16) concentric with each other with a narrow sealing gap.
Patent KR-20020005164-A (KR)
Title: Locking apparatus for wheel of vehicle
Inventor: SEO SOOK JONG
IPC: B60R25/022
Filed: 2000-07-08
Abstract: PURPOSE: A steering handle locking device of a vehicle is provided to lock or release a steering handle by driving a control circuit through inputting secret number with digital type and to prevent deformation of a steering shaft by combining a fixing bolt on a handle fixing plate. CONSTITUTION: A steering handle locking device for a vehicle comprises a steering shaft(5) installed on a base plate; a hole(6) formed on a steering shaft; a fixing bolt(7) inserted to the hole; a spring(8) elastically supporting the fixing bolt; a link(9) elastically rotated by a torsion spring; a motor(10) arranged on the link; an output shaft(11) formed on the motor; a screw unit(12) formed on the output shaft of the motor; a screw nut(13) released from the screw unit according to rotation of the output shaft; a control unit(14) controlling the motor; a groove formed on both sides of the screw nut; a supporting shaft(18) fixed on a chassis; a fixing plate(19) supported by the supporting shaft; and a bracket(20) fixing a steering shaft on the chassis with the supporting shaft.
Patent KR-20000063955-A (KR)
Inventor: KIM GYEONG HAE
IPC: B31B1/00
Filed: 2000-08-12
Abstract: PURPOSE: A folding boxes device for wrapping beverage bottles is provided to automatically carry out the folding of box papers while reducing inferior ratio, thereby to improve the reliability of the products. CONSTITUTION: A folding boxes for wrapping beverage bottles includes a frame(100) to mount following parts, more than one group of conveyers(110) for conveying box papers(P). a supply tray(120) mounted at an end part of the frame adjacent to an end part of the conveyers for supplying the box papers toward the conveyer, adhesive agent coating parts(20,60) for coating adhesive agents on top and bottom surfaces of the box papers, a first folding part(30) for folding a front end part of the box papers upwardly with relation to an advancing direction of the papers, a pre-folding part(40) for assigning folding directions by applying stress to folding parts in sequence to fold a rear part of the papers complexively, a secondary folding part(50) for folding the direction-assigned parts of the papers upwardly from the rear part, and a third folding part(70) for folding both sides of the papers upwardly by the conveying force of the papers.
Patent KR-20020016444-A (KR)
Title: Invar plate for shadow mask and estimation method of etching propert thereof
Inventor: KIM GWANG IL
IPC: H01J9/42
Filed: 2000-08-25
Abstract: PURPOSE: An Invar material for a shadow mask is provided to form uniform size openings during etching and accomplish less etching variation. CONSTITUTION: An Invar material for a shadow mask is determined whether it has preferred etching characteristic before actual etching by establishing conditions for coefficients of texture. The Invar material is determined to have the preferred etching characteristic when, the coefficients of texture, R=I(200)/£I(111)+I(220)+I(200)| is between 0.4 and 0.7 and F=I(111)/£I(111)+I(220)+I(200)| is between 0.2 ad 0.3, where I(111) is diffraction intensity of a (111) plane, I(200) is diffraction intensity of a (200) plane and I(220) is diffraction intensity of a (220) plane. The diffraction intensities are measured for the (111), (200) and (220) planes, respectively, by a Shurtz reflecting method using 3 kW CuKa X-ray vertically to an Invar alloy thin film surface.
Patent KR-20020020376-A (KR)
Title: Process for managing various machines
Inventor: LEE DONG IL
IPC: G06F13/00
Filed: 2000-09-08
Abstract: PURPOSE: A method for managing equipment is provided to systematically and scientifically maintain and manage the equipment at the best performance. CONSTITUTION: A life cycle management card(2) is installed at a car(1). The life cycle management card(2) has an input jack(2a) and an output jack(2b). The input jack(2a) and the output jack(2b) are connected with a probe. The probe is connected with the data input jack and output jack of each computer. Also the life cycle management card(2) consists of a data input device, a main/auxiliary memory device, an operating program, a data arranging compression program, a data output device, Internet ports, and a CPU. The data input device has a communication probe jack for connection with each computer. The Internet ports are respectively connected with a host server(4) and an A/S center(5).
Patent KR-20020030463-A (KR)
Title: Effective waste water treatment using the saturator and contactor of ozone
Inventor: KIM JONG KUK
IPC: C02F1/78
Filed: 2000-10-17
Abstract: PURPOSE: Wastewater treatment using ozone saturator and ozone contactor is provided, which is characterized in that ozone is injected naturally into wastewater by using venturi, and is saturated in an ozone saturator by controlling pressure for maximizing reaction efficiency. Size of saturated ozone passed through the ozone saturator is 100-200 micrometer. Saturated ozone is contacted with wastewater for 20-30min in the ozone contactor composed of interfering plate declined at 45 degree. Therefore all of injected ozone is used for treating wastewater. CONSTITUTION: The system comprises a separator(101) for separating solids from wastewater; a tank(102) for storing wastewater discharged from the separator(101); a tank(105) for controlling concentration of contaminants of wastewater; the ozone saturator(111) for generating OH radicals by injecting and saturating ozone; an ozone generator(110) for supplying ozone to a venturi(109); ozone contactor(113) for oxidizing contaminants by OH radicals.
Patent KR-20010051812-A (KR)
Inventor: GOLLEDGE BRADBURY FRANK
IPC: E04B2/72
Filed: 2000-11-20
Abstract: PURPOSE: A skeleton structure system is provided to mass-produce, not to need an additional cost and to reduce a cost of materials. CONSTITUTION: A skeleton structure system contains a stud member and a plate member(12) to be vertically formed a stud(11) and the plate member(12). The plate member contains at least one flange portion and a web portion(15) having at least one foundation elements and at least one offset elements(19). The offset elements are offset from the foundation elements at the same direction as the extended direction of the flange portion from the foundation element and equipped with an opening device. The stud member contains at least one flange portions and web portions. The web portions have a cutting portion to be extended a tag(23). The tag is inserted through the opening portion when the stud member is touched with the plate member. An integrated locking device is related with the tag and a slot(24). The locking device prevents the removing of the tag from the slot after passing the tag through the slot.
Patent KR-20010052018-A (KR)
Inventor: GABRIC ZVONIMIR
IPC: H01L21/302
Filed: 2000-11-29
Abstract: PURPOSE: A substrate with at least two metal structures disposed thereon, and a method for fabricating it are provided, in which the metal structures are fabricated by using a damascene process and form a small capacitance. CONSTITUTION: A substrate with at least two metal structures disposed thereon includes a substrate(1), a first insulating layer(I1) disposed on the substrate(1) and having cavities formed therein, a second insulating layer(I2) having an upper horizontal surface, composed of a different material than the first insulating layer, and disposed on the first insulating layer, the cavities formed in the first insulating layer being covered by the second insulating layer and bounded toward the substrate by part of the first insulating layer, and at least two metal structures disposed spaced apart from one another in the first insulating layer and each having an upper horizontal surface lying level with the upper horizontal surface of the second insulating layer, and the cavities disposed such that they do not adjoin the metal structures and at least one of the cavities disposed between the at least two metal structures.
Patent KR-20020046578-A (KR)
Title: A method for manufacturing thick sheet with superior inner quality
Inventor: CHO WON GUK
IPC: C21D8/02
Filed: 2000-12-15
Abstract: PURPOSE: A method for manufacturing a steel plate is provided to achieve good weldability and shock resistance property by appropriately controlling a hot rolling process. CONSTITUTION: The method for manufacturing a steel plate having good interior quality comprises the steps of; dehydrating molten steel composed of C:0.06-0.16 wt percent; Si:0.30-0.50 wt percent, Mn:1.00-1.55 wt percent; P: less than 0.015 wt percent, S: less than 0.003 wt percent, Nb:0.010-0.035 wt percent; Al solution:0.005-0.050 wt percent, remainder Fe and other inevitable impurities; continuously casting the dehydrated molten steel into a slab; heating the slab at 1130 and 1220deg.C; performing a primary rolling of the heated slab twice or four times; performing an air cooling of the slab at 900 and 800deg.C before performing a secondary rolling, and then completing a hot rolling at 830 and 750deg.C; performing a water cooling of the steel plate at a cooling speed of 3 to 8deg.C/sec so that the temperature of completed steel plate reaches 550-600deg.C, and then performing again the air cooling of the steel plate.
Patent KR-20020049081-A (KR)
Inventor: KWON YONG U
IPC: B60R19/02
Filed: 2000-12-19
Abstract: PURPOSE: A stay assembly of a bumper beam is provided to increase an energy absorbing efficiency by providing an adaptable stay assembly at an aluminum bumper beam when a vehicle collides. CONSTITUTION: A stay assembly comprises a stay assembly body(11) made of an aluminum material and the first and second stay pipes(13,15). The first and second stay pipes(11,15) are extended from both sides of the stay assembly body. A bumper beam reinforcing member(17) assembled inside the first stay pipe(13) is coupled by a bolt, and a front side member(19) of a vehicle body is inserted at an inner end of the second stay pipe(15). Therefore, by securing sufficiently a folding length of a front side member of the vehicle body when a vehicle collided, an energy absorbing efficiency is increased.
Patent KR-20020049204-A (KR)
Title: Non-volatile memory program circuit
Inventor: LEE YONG SEOP
IPC: G11C16/04
Filed: 2000-12-19
Abstract: PURPOSE: A nonvolatile memory program circuit is provided, which reduces a program time and prevents a mis-operation during a read operation, by maintaining a constant threshold voltage of a memory cell varied according to a variation of a power supply voltage by controlling the program time according to the variation of the power supply voltage. CONSTITUTION: The nonvolatile memory program circuit comprises a voltage level detection part(210), a register part(220), a program time control part(230), a control part(110), a voltage switching part(120) and a memory cell part(140). The voltage level detection part outputs a signal by detecting a variation of a power supply voltage(Vcc), and the register part stores data of n bits according to the detected signal from the voltage level detection part. The program time control part generates an enable signal(En) operating a program time as much as data stored in the register part. The control part generates a program enable signal(PGM_EN) by the enable signal. The voltage switching part drives an NMOS transistor(MN2) of the memory cell part by transmitting a high voltage(Vpp) to a word line(W/L) by the program enable signal.
Patent KR-20020049828-A (KR)
Title: Apparatus for reversing the reverse image of a portable image phone
Inventor: PARK JUN WON
IPC: H04N7/14
Filed: 2000-12-20
Abstract: PURPOSE: An apparatus for inverting a reverse image of a mobile concept phone is provided to automatically invert a reverse image according to a rotation angle of a camera. CONSTITUTION: An apparatus for inverting a reverse image of a mobile concept phone includes a reverse-image inverting switch and a camera unit(60). The reverse-image inverting switch is set at a predetermined position of a main body(70) to invert a reverse image. The main body is composed of various elements to receive a video signal and an audio signal to demodulate the signals into an image and sound and modulate an image and sound into a video signal and an audio signal. The camera unit operates the reverse-image inverting switch according to rotation angle of a camera photographing an image.
Patent KR-20020051784-A (KR)
Title: A sensing device of oil level
Inventor: LEE YONG DAL
IPC: G01F23/16
Filed: 2000-12-23
Abstract: PURPOSE: A fluid level sensing apparatus is provided to accurately detect the amount of fluid remaining in the closed tank, regardless of the change of motion of tank. CONSTITUTION: A fluid level sensing apparatus comprises a pressure difference sensor unit(5) including a first chamber(13) for communication of an upper gas(11) in a tank(3), a second chamber(17) closed by a diaphragm(15) connected to a float unit(7), and a piezoelectric member(19) having both sides where the first and second chambers are arranged; the float unit for changing the internal pressure of the second chamber by generating buoyant force in accordance with the depth of the flat unit dipped into a fluid(1) stored in the tank; and a sensor case(9) for fixing the pressure difference sensor unit and the float unit to the tank, and which permits the fluid and gas in the tank to easily acts to the pressure difference sensor unit and the float unit.
Patent KR-20020053326-A (KR)
Title: The jade Construction meterials of related manufacturing method
Inventor: LEE ILL HEE
IPC: C04B26/18
Filed: 2000-12-27
Abstract: PURPOSE: A manufacturing method of construction materials emitting far infrared ray is provided, which decreases environmental pollution and offers longtime use by mixing waste jade, silica and binder(resin). CONSTITUTION: The manufacturing method of construction materials, such as interior and exterior panels, bottoms, jade plates, etc., is as follows: collecting pieces and powders of jade, germanium and quartz porphyry which are generated from industrial places, washing and drying; grinding each material to be a size less than 5mm; mixing 10-90wt.% of raw materials mixed with 20wt.% of jade, 15wt.% of jade stone, 15wt.% of germanium, 15wt.% of quartz porphyry, 15wt.% of gravel and 20wt.% of sand, with 10-90wt.% of polyester resin; hydraulic pressing with at 80-150deg.C for 5-30min. under pressure of 200kgf/cm¬2; drying at 30-90deg.C for 10-50min. for curing; polishing the cured preform, and cutting the preform according to standards.
Patent KR-20020055221-A (KR)
Title: Tunneling machines having a grouter injection apparatus
Inventor: KIM DONG JUN
IPC: E21B7/00
Filed: 2000-12-28
Abstract: PURPOSE: A tunneling machine provided with a chemical feeder is provided to improve work efficiency and to reduce the period and cost of construction. CONSTITUTION: The tunneling machine provided with a chemical feeder comprises: a cylindrical front body(100) provided with a cutter head(300) to be rotatable; a tail body(200) coupled to the rear of the front body(100) by many steering jacks(210) and provided with many cutter motors(220), a reducer(221) to drive the cutter head(300), a dredge pipe(231) and a sludge pipe(232); a supply pipe(400) supplying chemicals fed through a hose from a chemical feed plant installed above the ground; a rotary joint(500) composed of a primary pipe block coupled to the supply pipe(400), a secondary pipe block coupled to the primary pipe block rotatively and an airtightness retentive instrument installed between the primary pipe block and the secondary pipe block to intercept a gap, and installed to the back of the cutter head(300); a joint(600) connected to the secondary pipe block of the rotary joint(500) to provide at least one way for supplying chemicals to the cutter head(300); and at least one chemical feed hole(700) passing through the cutter head(300) to interpose an end of the joint(600).
Patent KR-20020056002-A (KR)
Title: Field Emission Display and Method of Ventilating and Sealing The Same
Inventor: JANG BO UNG
IPC: H01J9/38
Filed: 2000-12-29
Abstract: PURPOSE: A field emission display device, and evacuation and sealing method for the same are provided to achieve an improved efficiency for exhausting air from the panel and reduce evacuation time, while easily obtaining a low level of vacuum within the panel. CONSTITUTION: An evacuation apparatus for field emission display device, comprises a plurality of spacers(53) for maintaining a gap between an upper glass substrate(51) and a lower glass substrate(52); a frit glass disposed at the edges of the upper and lower substrate, and which binds two substrates; a hole formed at the frit glass so as to be opposed to the flow channel formed between spacers; and an evacuation member having an air inlet port and an air outlet port with different sizes, and which is attached to the frit glass in such a manner that the air inlet port is opposed to the hole formed at the frit glass.
Patent KR-20020058358-A (KR)
Title: Method for planation of Semiconductor Device
Inventor: JI SEOK HO
IPC: H01L21/3105
Filed: 2000-12-29
Abstract: PURPOSE: A method for planarizing a semiconductor device is provided to reduce an attack and a loss of an interlayer dielectric by smoothing a total gradient of the interlayer dielectric and a sharp section of an edge part of a boundary region. CONSTITUTION: A capacitor is formed on a substrate. A BPSG(Boron Phosphorus Silicate Glass) layer as an interlayer dielectric is deposited on the capacitor. The capacitor has a cell part(A) and a peripheral circuit part(B). The peripheral circuit part(B) is lower than the cell part(A). In the depositing process of the BPSG layer, a stepped portion is generated by a shape of the capacitor. A photoresist layer is deposited on a whole surface of the above structure. The BPSG layer formed on the capacitor of the cell part(A) is etched by using the photo-resist layer as a mask. A boundary region between the cell part(A) and the peripheral part(B) is planarized by using a chemical mechanical polishing method.
Patent KR-20010022002-A (KR)
Title: Gas permeable material, method of making and use
IPC: B32B7/02
Filed: 1998-07-15
Abstract: A method of making a gas permeable material having a diffusive gas permeability at 0.21 atmosphere diffusive driving force in the range of about 0.5x105 cm3/100 square inches/day to about 2x105 cm3/100 square inches/day. The method comprises the step of coating a pattern of spots of a gas impermeable material onto a porous substrate, followed by a step of enlarging the pattern of spots to cover greater than about 95% of the porous substrate such that the gas permeability occurs only through openings between the pattern of spots. The gas impermeable material is preferably a hot melt adhesive and the porous substrate is preferably a nonwoven. The step of enlarging the pattern of spots includes smearing substantially circular spots into oblong spots as the pattern of spots is printed onto the porous substrate until the oblong spots partially overlap. The smearing is achieved by operating a printing screen at a surface speed higher than a draw rate of the porous substrate. Alternatively, the step of enlarging the pattern of spots includes calendering through a fixed gap the porous substrate after the pattern of spots is coated thereon.
Patent KR-20010031394-A (KR)
IPC: C07D303/36
Filed: 1999-08-25
Abstract: A process for producing (2R,3S)-3-amino-4-phenylbutane-1,2-epoxide compounds which comprises treating a (2S,3S)-3-amino-1-halo-2-hydroxy-4-phenylbutane compound or a (2S,3S)-3-amino-4-phenylbutane-1,2-epoxide with a carboxylic acid quaternary ammonium salt or a carboxylic acid metal salt a quaternary ammonium salt and a quaternary ammonium salt, to give a (2S,3S)-1-acyloxy-3-amino-2-hydroxy-4-phenylbutane compound, further treating the same with a sulfonic acid halide in the presence of an organic base to give a (2S,3S)-1-acyloxy-3-amino-2-sulfonyloxy-4-phenylbutane compound furthermore treating said compound with an inorganic base. An intermediate for the production of an HIV protease inhibitor can be produced from L-phenylalanine.
Patent KR-20010033871-A (KR)
IPC: H04J13/00
Filed: 1998-12-18
Abstract: 순환 확산 코드를 이용하여 직접-시퀀스 스펙트럼 확산 통신 시스템에서 높은 비트 밀도를 실현하는 방법이 제공된다. 순환 확산 코드(213)는 n 만큼 시프트된 의사-잡음 확산 코드이다. 이 순환 의사-잡음 확산 코드는 그 순환 의사-잡음 확산 코드를 이용하여 정보 신호를 변조시킴으로써 그 정보 신호(210)를 확산시키기 위해 이용된다. 신호를 복조하기 위해서도 이와 동일한 순환 의사-잡음 확산 코드가 이용된다. 사용된 n의 값은 확산될 신호의 값에 대응하는 값이다.
Patent KR-20010034369-A (KR)
Title: 복합 권축 가공사
IPC: D02G3/28
Filed: 1999-01-25
Abstract: 본 발명의 복합 권축 가공사는 50 ∼ 90 중량%의 셀룰로오스 필라멘트와 합성섬유 필라멘트로 이루어지는 복합 권축 가공사로서, 권축신장율이 0.1 ∼ 4.0 % 인 복합 권축 가공사 및 그 복합 권축 가공사로 이루어지는 위편물이다. 
     본 발명의 복합 권축 가공사는 위편물로 한 경우, 위단이 없고, 고품질의 외관 및 셀룰로오스 필라멘트의 광택과 감촉을 가지며, 또한 방축성, 세팅성이 우수하여, 습윤강도, 치수안정성과 우수한 편물품질이 요구되는 내복, 스포츠, 외복용 의류상품에 전개 가능하다.