baber/WOPTO huggingface dataset:
Patent KR-20020074800-A (KR)
Title: Multi/demultiplexing apparatus for making audio cd
Inventor: LIM CHANG SU
IPC: G11B20/10
Filed: 2001-03-22
Abstract: PURPOSE: A multi/demultiplexing device for manufacturing an audio CD is provided to simply move audio data of which the quantization bit 32bit and the sampling frequency is 96kHz, thereby manufacturing high quality audio CDs with an improved storage capacity by four times. CONSTITUTION: A multi/demultiplexing device for manufacturing an audio CD includes a multplexing unit(610) for multiplexing two-channel audio data of which quantization bit is 32bit and sampling frequency is 96kHz into eight-channel of which quantization bit is 16bit and sampling frequency is 48kHz, a multi-tracking unit(700) for carrying out multi-tracking by using ADAT or TDIF, a demultiplexing unit(620) for demultiplexing the audio data signal multi-tracked by the multi-tracking unit into two channels like the original audio signal of which the quantization bit 32bit and the sampling frequency is 96kHz, and a master medium unit(800) for carrying out the mastering work for the audio data.
Patent KR-20020075011-A (KR)
Title: Thin film transistor plate and fabricating method thereof
Inventor: CHOI YONG U
IPC: G02F1/136
Filed: 2001-03-23
Abstract: PURPOSE: A thin film transistor substrate and a method for fabricating the same are provided to reduce the contact resistance in contact parts and pad parts by forming pixel electrodes formed of an IZO film or an ITO film and auxiliary data pads to be electrically connected to data wires instead of directly contacting an aluminium layer. CONSTITUTION: A method for fabricating a thin film transistor substrate includes the steps of forming gate wires(22,24,26) including gate lines and gate electrodes on a substrate(10), depositing a gate insulating film(30), a semiconductor layer and a metal layer covering the gate wires, forming a conductor pattern and a semiconductor pattern(42) for lower data wires(62,64,65,66) by patterning the metal layer and the semiconductor layer, forming upper data wires(72,74,75,76) including data lines, and source and drain electrodes on the conductor pattern, forming lower data wires having data lines, and source and drain electrodes by selectively etching the conductor pattern, forming a protection film(80) covering the upper data wires, forming first contact holes exposing the drain electrodes of the upper data wires, and forming pixel electrodes contacting the drain electrodes of the lower data wires via the first contact holes.
Patent KR-20010067782-A (KR)
Title: The method of vacuum-decompression and thermotherapy by used shell's mold
Inventor: KIM NUNG TAEK
IPC: B22D18/06
Filed: 2001-03-24
Abstract: PURPOSE: A method for vacuum pressure reduction and hot casting by using a shell molding is provided to form the shell mold with a thin thickness of 4-5mm for mass-production of thin casts precisely. CONSTITUTION: In a casting device including a main body(1) formed of a pressure reduction unit(10), a cover unit(20), a heating unit(30) and a shell mold(40), wherein the pressure reduction unit includes a punching plate(11) connected to a wall surface and a bottom of the main body, a vacuum pressure reduction channel(12) at a lower part to be connected to a cooler(13), and a vacuum pump(14) connected to the cooler, the cover unit includes an arm(22) rotatably mounted on a prop(21) at a side of the main body and a cover plate(23) connected to an end of the arm, the heating unit includes a refractory plate(32) incorporated in the other wall surfaces and the bottom of the main body for receiving heaters(31) inside, and the shell mold includes a plurality of molding plates(41) to be stacked together, casting spaces(42) and a melting solution introducing channels(43) formed through the molding plates, pouring gates(44) formed at both sides of the melting solution introducing channels, the method for vacuum pressure and hot casting includes the steps of filling casting sand in the shell mold to fix the shell mold received in the main body, heating the inside of the main body at a temperature of 150-180°C, carrying out the vacuum pressure reduction while maintaining the temperature, and carrying out the casting by injecting the melting solution.
Patent KR-20020076836-A (KR)
Inventor: LEE SANG HO
IPC: H01L21/78
Filed: 2001-03-30
Abstract: PURPOSE: A method for mounting a back-ground wafer is provided to prevent a crack phenomenon of the wafer, by eliminating the first tape after the wafer is mounted on the second tape so that stress generated by the first tape is suppressed by the second tape. CONSTITUTION: The first tape(11) is laminated on the front surface(1a) of the wafer(1) in which a plurality of semiconductor chips of a checked type are fabricated. The back surface(1b) of the wafer is ground by a predetermined thickness. The back surface of the wafer is mounted on the second tape(12). The first tape is removed from the wafer. The wafer on the second tape is sawed into individual semiconductor chips.
Patent KR-20020078169-A (KR)
Title: Anaerobic Waste-water Treatment System
Inventor: CHUNG IN
IPC: C02F3/28
Filed: 2001-04-06
Abstract: PURPOSE: An anaerobic wastewater treatment system is provided which is always capable of discharging effluent of 15 mg BOD/L or less only by anaerobic wastewater treatment regardless of the state of properties of inflow wastewater, and does not require a succeeding aerobic wastewater treatment. CONSTITUTION: The anaerobic wastewater treatment system comprises a main reactor which is selected from an AF (anaerobic filter), a UASB (upflow anaerobic sludge blanket) or a hybrid type thereof; a sub reactor which is selected from an AF (anaerobic filter), a UASB (upflow anaerobic sludge blanket) or a hybrid type thereof; and an anaerobic polishing reactor(30) comprising a sludge bed zone (A) in which a sludge layer is formed form the lower part of the reactors in turn, a gas collection/bypass zone (B) in which a gas collector(31) for collecting and thus bypassing gas ascended from the sludge bed zone (A) is installed, a microorganism collection/return zone (C) in which a filtering media or an inclined plate sedimentation basin for collecting and returning ascending suspended solids and microorganisms is installed, and an effluent discharging zone (D) in which effluent is discharged in the laminar flow state, wherein the main and sub reactors and the anaerobic polishing reactor(30) are connected in series.
Patent KR-20010099757-A (KR)
Title: 수신 신호를 복수의 ｆｆｔ 윈도우로 분할하여 상호 상관계수의 연산 처리를 저감시킨 패스 서치 회로
IPC: H04B7/26
Filed: 2001-04-27
Abstract: 수신 신호를 복수의 FFT 윈도우로 분할하여 상호 상관 계수의 연산 처리를 저감시킨 패스 서치 회로가 개시된다.  인터리브부에서 수신 신호 rxd를 1 칩 간격의 두개의 계열 rxd1, rxd2로 분할하고, 두개의 FFT에서 이 두개의 계열을 오버랩핑 처리한 FFT 윈도우에 의해 각각 추출하여 FFT를 행한다.  크로스 파워 스펙트럼 계산부에서 FFT 된 후의 수신 신호와, 참조 신호 기억부에 기억되어 있는 참조 신호와의 크로스 파워 스펙트럼을 구한다.  그 출력을 평균화부에 의해 FFT 윈도우마다 평균화한 후, IFFT부에서 IFFT를 행한다.  얻어진 두개의 상호 상관 계수를 디인터리브부에서 시간 순으로 재배열하고, 보간부(interpolation unit)에서 패스 타이밍 검출에 필요한 정밀도로 보간한다.
Patent KR-20020084463-A (KR)
Title: a study book of fold type for a preschool education and that is used methods of teaching
Inventor: LEE CHUNG GU
IPC: G09B11/10
Filed: 2001-05-02
Abstract: PURPOSE: Provided is a folding-style learning material for baby education which folds along a folding line and turns forward or backward to change size, number or sequence for learning so that it helps to stimulate curiosity of babies. CONSTITUTION: The folding-style learning material for baby education is characterized by configuring consecutive four pages as one group, setting the folding line(5) at the middle part of a second page(2) and a third page wherein one or plural pictures as similar as pictures painted at a fourth page(4) are drawn at the left side of the folding line and one or plural pictures as similar as pictures painted at the first page(1) are drawn at the right side of the folding line and setting the folding line at the third page wherein one or plural pictures as similar as pictures painted at the fourth page are drawn at the left side of the folding line and one or plural pictures as similar as pictures painted at the first page are drawn at the right side of the folding line.
Patent KR-20010103679-A (KR)
Title: 재봉틀
IPC: F16H57/027
Filed: 2001-05-09
Abstract: 본 발명은 윤활유가 밀폐공간의 외부로 나오지 않고 또한 쉽게 막히지 않는 공기빠짐부재를 구비한 공업용 재봉틀을 제공하는 것을 그 과제로 한다. 
     이를 해결하기 위한 수단으로 윤활유(38)를 수납하는 밀폐된 윤활실(36)과, 윤활실내의 공기와 재봉틀 외부의 공기를 연통하는 공기빠짐수단(46)(52)을 구비하는 재봉틀에 있어서, 공기빠짐수단은 윤활실내로 개구하는 공기공을 형성한 중공의 원통부(50)(56)을 갖고 이 원통부는 윤활실내로 돌출하고 또한 그 원주부에 축방향의 절개홈(50B)(56B)을 형성하는 것을 특징으로 한다.
Patent KR-20020084881-A (KR)
Title: Method of manufacturing a silicon-based single electron transistor with in-plane side-gates
Inventor: CHOI JUNG BUM
IPC: H01L21/334
Filed: 2001-05-02
Abstract: PURPOSE: A method for fabricating a silicon single electron transistor by using a side gate is provided to form the silicon single electron transistor using a field effect of a side gate and control a size and a shape of a quantum dot by using a substrate having an SOI(Silicon On Insulator) structure. CONSTITUTION: An SOI substrate having an SOI structure is formed with an upper silicon layer(3), an SOI layer(2) having an insulating characteristic, and a silicon substrate(1). A single electron transistor is formed by using the SOI substrate. The single electron transistor is formed with an upper gate forming a two-dimensional electron gas layer and a side gate for forming a quantum dot by defining the two-dimensional electron gas layer in a limited place. PMMA as an electron beam resist is coated on the SOI substrate. A side gate is engraved on a source(8), a drain(5), an electron conductive channel part between the source(8) and the drain(5), and both sides of the electron conductive channel part by using an electron beam direct wiring method. The pattern is embossed by using an Al-lift off process. The remaining upper silicon layer is removed by using an RIE(Reactive Ion Etching) method. A part for forming a quantum dot of a nano conductive channel is covered by the electron beam direct wiring method. A doped region is activated and the SOI layer is formed by using a thermal oxidation method.
Patent KR-20020089712-A (KR)
Title: System for network-based providing e-commerce service using real time advertisement information and method thereof
Inventor: KWAK TAE KUN
Filed: 2001-05-23
Abstract: PURPOSE: A system and a method for providing an EC(Electric Commerce) service using the real-time AD(ADvertisement) information on a network base are provided to give the remarkable AD effect for a product to each subscriber by transmitting the AD data and the information data for the product to the subscriber terminals from an information operation server in the real-time. CONSTITUTION: A communication network(10) realizes the data communication with each other by connecting to the communication lines. The subscriber terminal(20) displays the AD data for the product PR using a moving image, a photo, a text and a voice message received from the outside through the communication network, and transmits the product and quantity data of the product selected from the displayed AD data to the outside. The information operation server(30) receives the AD data and the product data from the outside and transmits the data to the subscriber terminals in the real-time and pays the purchase amount of the subscriber by a payment tool selected by the subscriber. A DB(40) stores the AD information provided by the information operation server.
Patent KR-20020090818-A (KR)
Title: Internet picture in subway train
Inventor: CWON HYUN OAK
IPC: G06Q30/02
Filed: 2001-05-29
Abstract: PURPOSE: An Internet screen of a subway is provided to offer Internet information, advertisement information, a general view of an arrival station, an advertisement provided by the stores near the station to a screen. CONSTITUTION: The Internet screen is formed on an upper part of a door and the inner part of a subway train. The information and the advertisement provided on the Internet are loaded to the Internet screen by a contract to provide the information according to a time zone and a constitution characteristic of the passengers. The information is provided by forming a site providing the information. The general view and a plane or a three dimensional map of the station, and the advertisement contracted by the stores near the station are provided to the Internet screen. Thus, the passengers receive the Internet information and the information previously informing the state and the stores around the station through the Internet screen in the subway train.
Patent KR-20020091315-A (KR)
Title: Polybutyleneterephthalate having good durability
Inventor: KIM SEONG RYONG
IPC: C08G63/80
Filed: 2001-05-30
Abstract: PURPOSE: A method for preparing a polybutylene terephthalate resin is provided, to improve the durability, the heat resistance and the humidity resistance of the resin by reducing the content of the terminal carboxyl groups of the resin. CONSTITUTION: The method comprises the step of the polycondensation process during the melting polymerization, wherein adding 0.01-10 parts by weight of an epoxy compound to a polybutylene terephthalate resin with a melting flow index of 75-110 g/10 min, as a terminal group encapsulating agent. Preferably the solid polymerization is carried out after the melting polymerization. The epoxy compound is represented by the formula 1 or 2, wherein R is an aliphatic or aromatic group or their combined group.
Patent KR-20020096062-A (KR)
Title: A phase shifter
Inventor: AHN JEONG HAK
IPC: H01P1/18
Filed: 2001-06-14
Abstract: PURPOSE: A phase shifter is provided to simplify a structure and improve reliability by using a printed circuit board instead of a conductive line and dielectrics forming a lower part of the conductive line. CONSTITUTION: A metallic housing(108) has a circular space for receiving a printed circuit board(106) and a rotary plate(103). An input connector(104) is installed at one side of the metallic housing(108) in order to receive a signal. An output connector(105) is installed at the other side of the metallic housing(108) in order to output a phase-delayed signal. The printed circuit board(106) has a predetermined dielectric constant and thickness. A conductive line(107) is formed on the printed circuit board(106). Both ends of the conductive line(107) are connected to the input connector(104) and the output connector(105). The rotary plate(103) is formed with a dielectric(103b) and an air layer(103a). A rotary bar(102) is used for transmitting rotary power of the outside to the rotary plate(103). A cover(101) is used for covering an upper portion of the metallic housing(108).
Patent KR-20030000132-A (KR)
Title: Forming method for field oxide of semiconductor device
Inventor: CHOI MYEONG GYU
IPC: H01L21/76
Filed: 2001-06-22
Abstract: PURPOSE: A method for fabricating an isolation layer of a semiconductor device is provided to prevent a moat phenomenon in which the isolation layer becomes lower than an active region of a semiconductor substrate, by preventing the isolation layer from being lost in subsequent etch process and cleaning process. CONSTITUTION: A stack structure composed of a pad oxide layer(13) and a nitride layer is formed on the semiconductor substrate(11). The stack structure and a predetermined thickness of the substrate are etched to form a nitride layer pattern, a pad oxide layer pattern and a trench by using an isolation mask as an etch mask. A predetermined thickness of a thermal oxide layer(21) is formed on the trench. The nitride layer pattern is blank-etched by a predetermined thickness while a part of the upper corner of the trench is exposed to prevent a loss of the side surface of the isolation layer(24) formed in a subsequent process. A buried insulation layer is formed on the resultant structure. The buried insulation layer is planarized to form the isolation layer buried in the trench. The nitride layer pattern is eliminated.
Patent KR-20030002463-A (KR)
Title: Method for using user data in a bluetooth device without user interface
Inventor: KIM SU HWAN
IPC: H04L12/56
Filed: 2001-06-29
Abstract: PURPOSE: A method for using user data in a bluetooth device without user interface is provided, which uses the user data more conveniently for the bluetooth device to use, and reduces a time loss for accessing by omitting an inquiry procedure to know BD_ADDR of a counter part. CONSTITUTION: According to the method for using user data in a bluetooth device without user interface, user data is received and stored from other bluetooth device having user interface(103). And then the stored user data is read according to the input of a short key and is used in a communication with a bluetooth device corresponding to the read user data(107).
Patent KR-20030002581-A (KR)
Title: Annealing method for transformation Induced Plasticity of bainite
Inventor: HOMSAMYEONG
IPC: C21D8/06
Filed: 2001-06-29
Abstract: PURPOSE: A bainitic transformation heat treatment method is provided to improve forming property in a plane strain mode of the multiaxial stress state for a cold rolled strip for 800 MPa class car members using transformation induced plasticity steel satisfying superior forming property as well as high strength characteristics. CONSTITUTION: The method for bainitic transformation heat treating transformation induced plasticity steel to improve forming property for plane strain comprises a first step of heating the slab to a temperature of 1200 to 1300 deg.C by charging into a heating furnace a slab comprising 0.2 to 0.25 wt.% of C, 1.3 to 1.6 wt.% of Si, 1.4 to 1.6 wt.% of Mn, 0.01 to 0.02 wt.% of S, and a balance of Fe; a second step of furnace cooling the strip to a temperature of 500 to 600 deg.C by charging the hot rolled strip into a cooling furnace after hot rolling the slab by taking out the slab heated in the first step from the heating furnace; a third step of cold rolling the strip by taking out the strip cooled in the second step from the cooling furnace, and annealing the strip to a temperature of 750 to 850 deg.C by charging the cold rolled strip into an annealing furnace; a fourth step of charging the strip into a salt bath heat treatment furnace by taking out the strip annealed in the third step from the annealing furnace, and bainite isothermal heat treating the strip charged into the salt bath heat treatment furnace to a temperature of 300 to 450 deg.C; and a fifth step of air cooling the strip that is bainite isothermal heat treated in the fourth step using air of an ordinary temperature.
Patent KR-20030004801-A (KR)
Title: Linear actuator on rotator using two rotor
Inventor: BYUN YONG GYU
IPC: F16H25/14
Filed: 2001-07-06
Abstract: PURPOSE: A device for rectilineal movement using two revolvable bodies is provided to drive the device for rectilineal movement by a difference between two revolvable bodies in relative angular velocity, thereby reducing the manufacturing cost. CONSTITUTION: A device for rectilineal movement using two revolvable bodies includes a first revolvable body(11) and a second revolvable body(12) respectively having a power source, a rectilineal movement part(13) formed on the first revolvable body and rectilinearly movable on the first revolvable body, and a power transmitting part(14) fixed on the second revolvable body and combined with the rectilineal movement part, wherein the rectilineal movement part includes a linear bearing fixed on the first revolvable body.
Patent KR-20030005774-A (KR)
Title: Method for fabricating a semiconductor device for preventing a leakage current from local interconnection area
Inventor: LEE DEOK MIN
IPC: H01L29/772
Filed: 2001-07-10
Abstract: PURPOSE: A method of fabricating a semiconductor device for preventing current leakage after a forming process of a local interconnection region by adding nitrogen to a thermal oxide layer. CONSTITUTION: A trench etch mask is formed on a semiconductor substrate(100). The semiconductor substrate(100) is etched by using the trench mask and a trench is formed by etching the semiconductor substrate(100). Ions are implanted into the inside of the trench. A thermal oxide layer(111) including nitrogen is formed in the inside of the trench. An isolation layer(114) is formed by filling an oxide layer into the inside of the trench. A gate pattern(118) and a shallow junction region(120) are formed on the semiconductor substrate(100). An interlayer dielectric(122) is formed on an entire surface of the semiconductor substrate(100). A contact hole is formed by etching the interlayer dielectric(122) and the isolation layer(114). A local interconnection region(124) is formed by filling the contact hole.
Patent KR-20010079485-A (KR)
Inventor: KWON MIN JEA
IPC: A23B7/10
Filed: 2001-07-30
Abstract: PURPOSE: Provided is a kimchi composition with low salt and low hot taste by controlling hot taste with powdered hot pepper seed and using lactic acid bacteria instead of salted food. CONSTITUTION: The kimchi composition contains 0.3-1.0wt.% of powdered hot pepper seed, 3.0-7.0wt.% of mixed tomato, 0.7-1.2wt.% of lactic acid bacteria, 0.7-1.2wt.% of natural coloring juice selected from elderberry, red beet and red bellpepper, 0.6-0.8wt.% of sliced green pepper, 0.3-0.7wt.% of carrot, 0.3-0.8wt.% of onion, 0.5-1.2wt.% of garlic juice, 0.3-0.8wt.% of ginger powder and 86.2-93.3wt.% of Korean cabbage. The Korean cabbage is salted and washed to have a proper amount of brine.
Patent KR-20030015002-A (KR)
Title: Voltage generating circuit for periphery, Semiconductor memory device having the circuit and method thereof
Inventor: KIM JAE HUN
IPC: G11C11/413
Filed: 2001-08-14
Abstract: PURPOSE: A voltage generation circuit for PERI and a semiconductor memory device comprising the same and a voltage generation method are provided, which operates by receiving a bank address to prevent unnecessary power consumption, and supply an internal voltage to a peripheral circuit by receiving the bank address. CONSTITUTION: A control unit(110) generates a control signal(CTRLS) in response to a bank enable signal(BAIF) and a bank enable command(BACT) enabling memory banks storing data. And an internal voltage generation unit(120) responds to the control signal, and outputs an internal voltage of the same level as a reference voltage by receiving the reference voltage. The above control signal is enabled when the bank enable command and the bank enable signal are enabled at the same time. The bank enable signal is generated in response to the bank address.
Patent KR-20030006879-A (KR)
Title: Flexible color equipment using a signboard
Inventor: JUEN SI WOO
IPC: G09F13/30
Filed: 2001-08-22
Abstract: PURPOSE: An advertisement device for changing a color tone is provided to reduce a size and manufacturing costs of the device by changing a color tone of a light emitted from one light emitting source. CONSTITUTION: The advertisement device includes a body(1). A motor(2) is mounted on the body(1) and generates a rotating power. A belt(3) transfers the rotating power generated by the motor(2). A lamp(5) emits a light. A color lamp cover(4) is installed at a peripheral surface of the lamp(5) and causes the lamp(5) to emit the light having various color tones. The color lamp cover(4) is rotated by the belt(3). A case(6) is connected to the body(1). An acrylic advertisement plate(7) is installed at an upper end of the case(6). The acrylic advertisement plate(7) changes a color tone of an advertisement part by the light emitted from the lamp(5) through the color lamp cover(4).