baber/WOPTO huggingface dataset:
Patent KR-20020065044-A (KR)
Inventor: JUNG HYE YEONG
IPC: C04B38/00
Filed: 2001-02-05
Abstract: PURPOSE: A method of manufacturing a porous ceramic filter for dust collection is provided, which is characterized in that on the surface of a filter substrate having a porosity of 80% and an average pore size of 100-200 μm, a filtering layer having the porosity of 30% and an average pore size of 1-10 μm is coated so that it is possible to increase air-permeability while having improved filtering performance. CONSTITUTION: The method of porous ceramic filter for dust collection includes the steps of (S10) mixing 100 parts by weight of inorganic powder together with 20-35 parts by weight of distilled water and 3-8 parts by weight of viscosity controller; (S20) ball-milling above mixture so as to prepare a slurry having an average diameter of 5μm and a viscosity of 80 to 2000 cp; (S30) adding 0.15-1.50 parts by weight of a foaming agent in the slurry and then agitating the mixture at over 1200 rpm until the volume of slurry foam becomes quadruple in comparison with initial slurry volume; (S40) adding 1-3 parts by weight of a gelation agent such as aqueous epoxy resin in the foamy slurry, followed by slow agitation at 600 rpm; (S50) dry-forming of the gelled slurry in the form of filter; (S60) dipping the obtained filter in the slurry of 2nd step so as to form a coat thereon; and then (S70) calcining the coated filter in a furnace up to 1100 to 1600deg.C at a rate of 1-3deg.C/min.
Patent KR-20020067130-A (KR)
Inventor: JUN YEONG SANG
IPC: A47C3/30
Filed: 2001-02-15
Abstract: PURPOSE: A column unit for chair is provided to allow a guiding sleeve to be moved up and down with a spindle when the column unit performs a long stroke. CONSTITUTION: The column unit for chair is comprised of a base tube(1) forming a gas cylinder structure, a piston rod(6) rotatably fastened to a supporter installed to the lower end of a base tube, a piston coupled to the upper end of the piston rod, a spindle(4) charged with a pressure gas therein and in which the piston is fitted, and a guiding sleeve(3) installed between the spindle and the base tube so as to be moved up and down together with the spindle. Also, the guiding sleeve is moved up and down with being fitted around the outer diameter of the spindle.
Patent KR-20020068800-A (KR)
Title: Method for controlling the focusing servo and tracking servo in an optical disk driver
Inventor: CHOI YONG HUN
IPC: G11B19/02
Filed: 2001-02-22
Abstract: PURPOSE: A method and a device for controlling a focusing/tracking servo due to an external shock are provided to correctly detect the direction and magnitude of a disturbance or shock applied from an external using a shock sensor configured with a two-dimensional piezoelectric element, so as to perform focusing and tracking servo compensation. CONSTITUTION: If an optical disk is driven(S10), FE(Focusing Error) and TE(Tracking Error) signals generated and output from the optical pickup are respectively converted into digital in A/D(Analog-to-Digital) converters(S20). A focusing actuator and a tracking actuator perform focusing and tracking servo operations of the optical pickup on the basis of the converted FE and TE signals(S21). If a disturbance or a shock is applied from an external, a sensor continuously senses a shock direction and the magnitude of force of the shock(S22). And the focusing actuator and the tracking actuator perform focusing and tracking servo compensation operations according to the shock direction and the magnitude of force of the shock(S23).
Patent KR-20020069385-A (KR)
Title: Exterior projection type conveyor device
Inventor: YEO IN TAE
IPC: B65G17/20
Filed: 2001-02-26
Abstract: PURPOSE: A conveyor unit protruded outside is provided to easily convey articles of a vehicle to be conveyed to the transfer location regardless of drive of a conveyor assembly. CONSTITUTION: A conveyor unit protruded outside includes a conveyor assembly(40) of double structure formed by settling an inner box(3) to the inside of an outer conveyor box(2), a driving unit for controlling the extreme length of the conveyor assembly, a support housing, supporting the conveyor assembly with settled in the rear of the conveyor assembly, bound with a vehicle, a chain assembly moving by rotation of plural sprockets installed inside the conveyor assembly and conveying articles of the inside of the vehicle, with installed to the inside of the conveyor assembly, and a locking unit(4) fixing the conveyor assembly to the vehicle body when the vehicle moves, with settled to the lower part of the transfer location of the conveyor assembly. The conveyor unit protruded outside is installed outside the vehicle and the length adjustment and change of location of the conveyor are easily performed by forming the double structure. Therefore, articles are conveyed quickly and exactly.
Patent KR-20010100803-A (KR)
Title: 더미셀의 열화를 억제할 수 있는 강유전체 메모리 및 그구동방법
IPC: H01L27/115
Filed: 2001-03-03
Abstract: 강유전체 메모리장치는, 강유전체 커패시터(FC k ), 및 강유전체 커패시터의 일방의 전극과 병렬로 접속되어 있는 제 1 트랜지스터(TA k ) 및 제 2 트랜지스터(TB k )로 이루어지는 메모리셀(FS k )을 적어도 3개 이상 포함한 메모리셀 어레이, 메모리셀(FS k )의 각 강유전체 커패시터(FC k )가 제 1 트랜지스터(TA k )를 통해 병렬로 접속되어 있는 제 1 비트라인(BLA), 및 복수의 메모리셀(FS k )의 각 강유전체 커패시터(FC k )가 제 2 트랜지스터(TB k )를 통해 접속되어 있는 제 2 비트라인(BLB)을 갖는다. 이 강유전체 메모리장치는, 상기 제 1 비트라인(BLA)의 전위와 제 2 비트라인(BLB)의 전위를 비교함으로써, 논리 "1" 또는 논리 "0"을 판단하는 판단장치를 갖는다. 이에 의해, 데이터셀과 비교하여 독출 회수가 많은 더미셀의 열화를 억제시켜, 정확하게 중간전위를 발생시킬 수 있다.
Patent KR-20010092340-A (KR)
Title: Power supply
Inventor: SATO TOSHIO
IPC: G09G3/296
Filed: 2001-03-14
Abstract: PURPOSE: To provide a power circuit capable of conducting power shut-down sequence completely and increasing the voltage output time of a low voltage power circuit with a simple structure. CONSTITUTION: This power circuit includes a first power circuit 10 outputting a first voltage Voh, a capacitor C1 connected to an output terminal of the first power circuit 10 in parallel, a second power circuit 20 outputting a second voltage Vol lower than the first voltage Voh, and a voltage conversion circuit 30 voltage-converting electric power stored in the capacitor C1 if power supply to the first power circuit 10 is stopped, and supplying it to the output terminal of the second power circuit 20.
Patent KR-20020073998-A (KR)
Title: Semiconductor device reducing plasma damage and method for fabricating the same
Inventor: LEE JAE GYU
IPC: H01L27/092
Filed: 2001-03-19
Abstract: PURPOSE: A semiconductor device and a method for manufacturing the same are provided to minimize a plasma damage generated by a plasma etch processing by using a tunneling capacitor. CONSTITUTION: The semiconductor device comprises a MOS transistor(MOS) and a tunneling capacitor(CAP). The MOS transistor(MOS) further includes a semiconductor substrate(20), a gate oxide(24) and a gate electrode(28a). A tunneling oxide(26) is formed on the substrate(20) of the tunneling capacitor. For easily tunneling a charge damage remained in the gate oxide(24) of the MOS transistor, the thickness of the tunneling oxide(26) is relatively thin compared to the thickness of the gate oxide(24).
Patent KR-20010067778-A (KR)
Title: Image/video processing method and image/video object segmentation method
Inventor: WON CHEE SUN
IPC: H04N21/80
Filed: 2001-03-23
Abstract: PURPOSE: A method for treating an image/video and a method for segmenting an image/video object are provided to automatically segment the image/video without intervening by a user. CONSTITUTION: A semantic object is defined in an image. A pixel value of pixels in the defined semantic object is combined with a predetermined label based on a water marking, thereby labelling the semantic object. When the semantic object is defined in the image, an original image is divided into small blocks without overlapping small blocks with each other(202). In addition, the small blocks are grouped by a user in such a manner that the small blocks belonged to the same object are grouped(204). Then, image data including the labeled semantic object is compressed by using a predetermined image compression method(210). The compressed image data is stored in a predetermined data base(212).
Patent KR-20020077942-A (KR)
Title: Media trade system by using network and operation method thereof
Inventor: KWON GYU SEUNG
Filed: 2001-04-03
Abstract: PURPOSE: A media transaction system and method is provided to enable a media owner or an idea provider to consign a transaction or an operation of a media, to sell the media and to pay a profit dividend to the media owner or the idea provider according to a contract. CONSTITUTION: The system comprises an operation controller(104), a media collection processor(105), a trust processor(106), a media sale unit(108), a database(110), and a trust account processor(107). The operation controller(104) performs an overall control in a transaction in the system. The media collection processor(105) analyzes specific ideas offered by a media owner, and commercialize the ideas. The trust processor(106) entrusts an operation or a sale of previously owned media or a new media. The media sale unit(108) registers the media offered by a media owner according to a contract. The database(110) stores the registered media, and personal data on the media owner. The trust account processor(107) manages the trust account established in a bank for managing a profit dividend between an operator and a media owner.
Patent KR-20020080819-A (KR)
Inventor: KIM HYEON CHEOL
IPC: H01J11/28
Filed: 2001-04-18
Abstract: PURPOSE: A plasma display panel is provided, in which auxiliary electrodes are formed at the edge of the discharge cell, to thereby achieve improved discharge efficiency through the expanded luminous area. CONSTITUTION: A plasma display panel comprises an upper substrate(30); a scan/sustain electrode(32Y) and a common sustain electrode(32Z) formed at the rear surface of the upper substrate; dielectric layers(34,42) which are formed in such a manner as to cover the scan/sustain electrode and the common sustain electrode; and the first auxiliary electrode(48Y) and the second auxiliary electrode(48Z) formed within the dielectric layers in such a manner that the first auxiliary electrode and the second auxiliary electrode are parallel to the scan/sustain electrode and the common sustain electrode.
Patent KR-20020020832-A (KR)
Title: Laundry system
Inventor: HOSOITO TSUYOSHI
IPC: D06F39/00
Filed: 2001-04-20
Abstract: PURPOSE: To perform a proper control of an washing operation, considering environmental conditions. CONSTITUTION: A plurality of electric equipment in the home such as a fully automatic washing machine 1, a refrigerator 2, a micro-wave oven 3, an air conditioner 4, a TV 5 and illuminators 6 in respective rooms are connected through a domestic LAN 7 to a home terminal 8. The home terminal 8 can be connected through the internet 9 to a main data server 10. The home terminal 8 is provided with a display device 25 and a touch panel and can instruct the operation of the fully automatic washing machine 1 or can set the customization of a washing process, and a monitor picture or various setting pictures during operation are displayed. On the basis of weather information or information related to washing such as washing process data suitable for the kind of detergent to be used or water quality in the area inputted from the main data server 10 through the internet 9, the home terminal 8 suitably controls a washing control program to be run by the fully automatic washing machine 1 and performs optimal operation control.
Patent KR-20020082372-A (KR)
Inventor: LIM HAN BIUNG
IPC: F03G7/10
Filed: 2001-04-23
Abstract: PURPOSE: A power generating system is provided to generate power by forming the buoyancy and the gravity in the water with installing plural lozenge-shaped containers based on the harmony of cosmic dual force. CONSTITUTION: A power generator is composed of a water tank, a central shaft(2), a bearing, a rotary disk(4), an inner disk, an outer disk, a flexible lozenge-shaped container(7), a container groove, a connecting shaft, a symmetric connecting bar, a container plate, a lever(13), a lever roller, an auxiliary shaft groove, a central shaft groove, a square container, and a contracting container. Plural lozenge-shaped containers are expanded and contracted in the rotating disk. Power is generated with using the dual force of gravity and buoyancy under water.
Patent KR-20020083001-A (KR)
Title: Data communication terminal for wireless transceiver using a PC
Inventor: KIM HAK GI
IPC: H04B1/02
Filed: 2001-04-25
Abstract: PURPOSE: A data communication terminal device interworking with a radio is provided to use a general PC to interwork data communication interface specifications of a radio, thereby interworking with various equipments. CONSTITUTION: A PC unit(10) supplies a user interface, and plays a main platform role of data communication equipment, then builds a standard extension slot port connected to an exterior. The PC unit(10) has a communication operating program and a power supplying function. A wireless communication board(20) interworks with the PC unit(10) through the standard extension slot port, and interworks by a proper data communication system according to a wireless communication mode. An external interface(30) is connected to the wireless communication board(20), and supplies a port for connecting with a radio connector.
Patent KR-20020085188-A (KR)
Title: Lyocell tire cord and method for manufacturing the same
Inventor: CHOI SU MYEONG
IPC: D02G3/48
Filed: 2001-05-07
Abstract: PURPOSE: Lyocell tire cord having excellent shape stability and heat stability, and a manufacturing method thereof are provided. CONSTITUTION: The lyocell tire cord is obtained by a process containing the steps of: twisting lyocell with a twisting machine for tire reinforcement to make the lyocell having 30-50times/10cm of Z twist; doubling and twisting two strings of the lyocell to make the lyocell having S twist; dipping the lyocell into an RFL solution to make the lyocell having 4-6wt.% of pick-up based on the lyocell; drying at 130-200deg.C for 10-200seconds; and then heating at 150-250deg.C for 10-200seconds. The lyocell is characterized by: 5-6g/d of dry strength; 10-15% of breaking elongation; 4.5-5.3g/d of wet strength; at least 18kg of deep strength; at least 13kg of adhesive force; and under 2% of dry heat shrinkage.
Patent KR-20020088043-A (KR)
Title: Preparation of Coating Material for Perlite having Water-Protection Property
Inventor: LEE EUN SEOK
IPC: C09D1/02
Filed: 2001-05-14
Abstract: PURPOSE: Provided is a method for preparing an anti-hygroscopic coating material capable of forming granular pearlite having not hygroscopic property, which can be used for structures and building and construction and manufacturing components and supplies. CONSTITUTION: The method comprises the steps of (i) crushing a sample obtained from starting material such as 200.0(±10.0) g of silicon oxide, 120.0(±10.0) g of sodium nitrate, 70.0(±5.0) g of aluminum sulfate, 25.0(±2.0) g of calcium hydroxide, and 20.5 g (±0.8) g of sodium oxide; (ii) adding 1000.0(±10.0) g of hot water to the sample and flowing sulfur dioxide into the solution; (iii) drying 20(±2.0) g of the sample treated by heat-treatment at 200 deg.C for 24 hours, and diluting the dried sample with 500.0 mL; and (iv) adding 20.0(±1.0) g of isopropyl alcohol, 5.0(±1.0) g of methanol, 2.2(±0.2) g of emulsifier, 1.2(±0.1) g of alkyl chromic chloride, 1.0(±0.05) g of isoprene emulsion, and small amount of inorganic compound to the diluted sample, so as to form a coating sample(LS20).
Patent KR-20020092052-A (KR)
Title: Rubber block construction method for pavement
Inventor: KIM JUN HWAN
IPC: E01C5/18
Filed: 2001-06-01
Abstract: PURPOSE: A construction method of rubber blocks for road pavement is provided to prevent the rubber blocks from being pushed rearward by making a force generated from the rubber blocks being dispersed uniformly. CONSTITUTION: The construction method of rubber blocks(30) for road pavement comprises the steps of: flattening the ground surface(20) inside both boundary stones(10); cutting the rubber blocks to have a certain length and width; and arranging the cut rubber blocks having a constant size such a fashion that the outer surfaces of the rubber blocks make a certain angle to achieve a general cross sectional shape of diamond form.
Patent KR-20020000712-A (KR)
Inventor: DAI RICHARD A
IPC: G02F1/1335
Filed: 2001-06-04
Abstract: PURPOSE: A plate for a liquid crystal display, a method thereof and polymeric compositions are provided to produce a cover plate and/or a back plate having a non-porous dark matrix structure and to obtain ink compositions of high contrast. CONSTITUTION: A plate suitable for use in a liquid crystal display structure comprises a transparent substrate(1), a dark mesh material(2) on the substrate having a thickness of about 1 to about 30 microns, and a polarizing layer(4). Herein, the dark mesh material comprises a photocured photoimageable organic polymeric composition and a coloring agent. The dark mesh material has an optical density of about 0.5 to about 3 in the visible light range.
Patent KR-20020093461-A (KR)
Title: Dynamic handoff threshold decision method in mobile communication phone
Inventor: KIM DONG YEONG
IPC: H04B7/26
Filed: 2001-06-09
Abstract: PURPOSE: A method for determining a dynamic hand-off threshold value in a mobile communication terminal is provided to previously prevent the degradation environment of a signal quality generated in a hand-off by preventing a reverse effect in which an FER(Frame Error Rate) is considerably increased when determining an add or drop threshold value of an MS(Mobile Station). CONSTITUTION: An MS receiving unit receives pilot signals of a multi-path from a current base station and an adjacent base station, and notifies the strength of the pilot signals to an MS control unit(S101). The MS control unit calculates an add reference value for determining an add threshold value using the sum of all pilot strength in an active set and a candidate pilot strength value(S102). The MS control unit subtracts the add reference value from the sum of all pilot strength in the active set, and determines the add threshold value(S103).
Patent KR-20030001567-A (KR)
Title: Pillar trim fixing apparatus of car
Inventor: LEE HEON
IPC: B62D25/04
Filed: 2001-06-25
Abstract: PURPOSE: A fixing apparatus for a pillar trim of a vehicle is provided to fasten the pillar trim in the front of the pillar by fitting the assembling rod to the fitting sill part automatically with pushing the pillar trim, and to separate the pillar trim conveniently by pulling the end of the elastic piece back. CONSTITUTION: A pillar trim fixing device of a vehicle is composed of a box type housing(110) having an insertion hole(111) with being installed in the front of a pillar(3); an elastic piece(120) fixed in the inner floor of the housing, and exposed out of the lower part of a pillar trim(4) with a fitting sill part(121); and an assembling rod(130) fixed in the pillar trim, and combined with the fitting sill part of the elastic piece with a hook part(131). The assembling rod is fitted to the fitting sill part of the elastic piece by pressing the pillar trim against the pillar, and separated from the fitting sill part by pressing the end of the elastic piece.
Patent KR-20030005650-A (KR)
Title: A Device for combine Ferrite Core in FBT
Inventor: SEO HO CHANG
IPC: H01F38/42
Filed: 2001-07-09
Abstract: PURPOSE: A ferrite core coupling device of a flyback transformer is provided to couple and fix easily a ferrite core without using an additional U-shaped clip by inserting an upper and a lower core into a core support portion. CONSTITUTION: A ferrite core(4) is installed in a flyback transformer case. The ferrite core(4) is divided into an upper core(2) and a lower core(3). One side of the ferrite core(4) is inserted into the inside of a bobbin(1) which is installed in the inside of the flyback transformer case. The other side of the ferrite core(4) is arranged at the outside of the flyback transformer case. A gap is formed between the upper and the lower cores(2,3). A core support portion(6) is installed at the outside of the flyback transformer case. A core insertion groove(5) is formed at the core support portion(6). An elastic fixing section(7) is formed on both inner wall faces of the core insertion groove(5). A fixing section support groove(8) is formed on both inner wall faces of the core support portion(6).
Patent KR-20030005680-A (KR)
Title: Method for manufacturing arrow shaft
Inventor: SONG JEOM SIK
IPC: F42B6/04
Filed: 2001-07-10
Abstract: PURPOSE: An arrow fabricating method and an arrow fabricated by the same are provided to maintain an initial linear characteristic of the arrow by stacking an elastic sheet member on a mandrel and depositing a non-elastic fiber on the elastic sheet member. CONSTITUTION: A first elastic sheet(102), a second elastic sheet(104) and a non-elastic fiber sheet(106) are cut into predetermined sizes. Then, after performing a prepreg treatment with respect to the first elastic sheet(102), the second elastic sheet(104) and a non-elastic fiber sheet(106), the first elastic sheet(102), the second elastic sheet(104) and a non-elastic fiber sheet(106) are stacked on a surface of a mandrel. The first and second elastic sheets(102,104) include carbon or glass fiber sheet. The non-elastic fiber sheet(106) includes natural fiber or chemical fiber sheet. The first elastic sheet(102) has a cylindrical shape, and the second elastic sheet(104) is bonded to an outer peripheral surface of the first elastic sheet(102). The non-elastic fiber sheet(106) is bonded to an outer peripheral surface of the second elastic sheet(104).
Patent KR-20030006241-A (KR)
Title: Method for forming wiring using dual damacine process
Inventor: HWANG JAE SEONG
IPC: H01L21/3205
Filed: 2001-07-12
Abstract: PURPOSE: A method for forming wiring using a dual damascene process is provided to prevent a damage of a lower conductive pattern and reduce contact resistance by performing the dual damascene. CONSTITUTION: The first insulating layer(30) is formed on a semiconductor substrate. The second insulating layer(34a) is formed on the first insulating layer(30). The third insulating layer(38b) is formed on the second insulating layer(34a). A capping layer is formed on the third insulating layer(38b). A via hole(42b) is formed by etching the capping layer, the third insulating layer(38b), and the second insulating layer(34a). A photoresist pattern is formed on the capping layer. A polymer layer is formed on the first barrier. The trench(48) is formed by etching the remaining capping layer and the third insulating layer(38b). The photoresist pattern and the polymer are removed. The first barrier is removed from a bottom of the via hole(42b). A conductive material(50) is buried into the resultant structure.