baber/WOPTO huggingface dataset:
Patent KR-20000056147-A (KR)
Inventor: LEE EUN PYO
IPC: H04N5/445
Filed: 1999-02-13
Abstract: PURPOSE: A method for controlling pull down caption mode of a Korean caption receiver device is provided to display whole lines of the pull down caption data. CONSTITUTION: A method for controlling pull down caption mode of a Korean caption receiver device includes following steps. At the first step, a pull down caption mode control code and a reference line position specification code are received and the position of the reference line and the line pull down mode are set. At the second step, the preset line pull down mode is determined, the display line preset in the line pull down mode is compared with the position of the reference line, and it is determined whether the display line is bigger than maximum line position. At the third step, the position of the reference line is translated to a greater value when the display line is determined to be bigger than maximum line position with a step of the line pull down mode.
Patent KR-19990046348-A (KR)
Title: 탄분내장형건축재
Filed: 1999-02-24
Abstract: 본 발명은 내장된 탄분으로부터 탈취, 살균, 원적외선과 음이온의 방출에 의한 건강증진, 습도조절, 축열기능에 의한 보온효과를 노릴 수 있게 한 탄분 내장형 건축재를 제공하기 위한 것으로서, 나무로 된 가구재를 포함한 건축재(1)에 장입공 (2)을 천공하고, 이 장입공(2)에 숯가루, 목탄가루, 숯립, 목탄립의 1종 이상으로 된 탄분(3)을 장입하며, 장입공(3)의 입을 밀봉재(4)로 봉한 것이다.
Patent KR-20000060423-A (KR)
Inventor: PARK SANG HYEON
IPC: H03F3/00
Filed: 1999-03-15
Abstract: PURPOSE: A low noise amplifier is provided to be capable of minimize an overall system path loss by switching an input RF signal into a transfer circuit constructed separately from an amplifier when the amplifier operates abnormally. CONSTITUTION: A low noise amplifier comprises a switching circuit which consists of a first switching part(21), an inducing line(22), and a second switching part(23). The first switching part(21) transfers or blocks an input RF signal to the low noise amplifier(25) according to a control signal through a control signal input terminal(24). The input RF signal is transferred to a transfer line(26) through an inducing transfer line(22). The second switching part(23) is connected to one side of the transfer line(22), and sends the input RF signal through the inducing transfer line(22) to a ground or blocks a flow into the ground, depending on the control signal.
Patent KR-20000061825-A (KR)
Title: Lifter
Inventor: NO JU SUK
IPC: B66F7/00
Filed: 1999-03-31
Abstract: PURPOSE: A lifter is provided to prevent articles and projectors from falling during lifting up and down and to promote reduction in manufacturing cost. CONSTITUTION: A main shaft(510) rotates as a motor(200) operates in a specific direction. A band type rope coiled on the central outer circumference of the main shaft(510) is released and a main case descends thereby. The main case(100) does not descend in a perpendicular direction of its movement by contact between guide bars on the four edges of the main case and a guide rail on the ceiling. A spring(620) on the outer circumference of a sub-shaft(610) is already distorted by rotation of the main shaft(510) and influenced by a force for reverse rotation. Therefore, the load of the main case and a projector is supported through the distortion force.
Patent KR-20000065388-A (KR)
Inventor: KIM YONG CHAN
IPC: H01L29/732
Filed: 1999-04-02
Abstract: PURPOSE: A semiconductor device is provided to improve a high speed characteristic at a low voltage by forming an N-epitaxial layer to the height of the surface of an insulating layer existing in a lower part of a conductive layer for a floating base, and to improve a step coverage of a metal interconnection without an additional process by forming a plug in a contact hole. CONSTITUTION: A semiconductor device comprises a semiconductor substrate(31), an insulating layer and a semiconductor layer. The insulating layer is formed within the semiconductor substrate in a first region and consecutively on the semiconductor substrate. The semiconductor layer is formed on the semiconductor substrate in a second region to the height of the surface of the insulating layer.
Patent KR-20000062001-A (KR)
Inventor: LEE CHANG JIN
IPC: A61Q1/00
Filed: 1999-03-30
Abstract: PURPOSE: Cosmetic foundation containing yellow soil that can alleviate toxicity is provided. The yellow soil is abundant in a variety of minerals, and applied to foundation in the form of fine powder. CONSTITUTION: To achieve the beforementioned purpose, firstly a predetermined amount of yellow soil is collected, screened, and disinfected to remove harmful factors. And then, the processed yellow soil is put in a container which is full of water. As time goes by, the mixture consisted of water and yellow soil is separated into two layers, i.e sediments precipitates at the bottom part and yellow soil solution is located in the upper part. The yellow soil solution is applied as an ingredient of foundation in the preparation process of sorts of foundation.
Patent KR-20000067036-A (KR)
Inventor: AHN HYEOK SEONG
IPC: A47L9/16
Filed: 1999-04-22
Abstract: PURPOSE: Provided is a cyclone collector in a vacuum cleaner, which separates air from contaminants by performing a first and a second centrifugal rotations in two different spaces, such that fine dust is not mixed with an exhausted air current. CONSTITUTION: The cyclone collector comprises a cyclone body(11), a first space section(12) in a drum shape located at one side of the cyclone body(11), wherein the lower part of the first space section(12) is open, a first tangential suction flow way(13) for sucking the air and the contaminants into the first space section(12), a second space section(14) in a drum shape located at the other side of the cyclone body(11), wherein the lower part of the second space section(14) is connected with a cone part(14a), a second tangential suction flow way(15) connected between the upper center of the fist space section(12) and one side of the second space section(14), an air-exhausting flow way(17) located at the upper center of the second space section(14) to exhaust the air separated from the contaminants in the upper direction by the centrifugal force, a contaminant-discharging flow way(18) located at the lower side of the cone part(14a), and a separable reservoir(19) for collecting the contaminants from the first and the second space section(12, 14).
Patent KR-20000074774-A (KR)
Inventor: JUNG JAE HYEON
IPC: B41M5/00
Filed: 1999-05-25
Abstract: PURPOSE: Provided is a method for preparing and printing highway passing tickets coated with self-color developer and magnetic record paint, which includes print and record means using an impact pressure of a dot print head, thereby use or non-use can be read without ink ribbon cartridge. CONSTITUTION: The method includes: coating raw material paper of the passing tickets(2) homogeneously with the self-color developer comprising a developer and micro capsules comprising a colorant coated with synthetic polymer; coating the raw material paper coated with the self-color developer with the magnetic record paint(6); printing and recording the used contents to an entrance printing position(4) and an exit printing position(5) by means of the impact pressure of the dot print head.
Patent KR-20000075099-A (KR)
Inventor: KIM BONG HYEON
IPC: H01L21/76
Filed: 1999-05-28
Abstract: PURPOSE: A trench isolation method of a semiconductor device is provided to guarantee a sufficient active region by intensifying an insulating characteristic of a trench isolation, and to prevent a defect such as a porousness by thermally processing an insulating layer in a trench. CONSTITUTION: A trench for isolating devices is formed in a predetermined region of a semiconductor substrate. After an insulating layer for device isolation is filled in the trench, impurities having the same conductivity type as that of the semiconductor substrate are injected into the trench filled with the insulating layer to improve an insulating characteristic of the device isolation.
Patent KR-20010003399-A (KR)
Inventor: KIM JIN SU
IPC: H01L29/786
Filed: 1999-06-23
Abstract: PURPOSE: An etchant of 6a group is to improve an etching efficiency for a bottom metallic layer in a process for etching a double layer structured gate. CONSTITUTION: An etchant of 6a group comprises 10 to 13% by weight of Ce(NH4)x(NO3)y, wherein x exceeds zero, and y exceeds zero; 4 to 6% by weight of HClO4; and 1 to 3% by weight of CH3COOH, alternatively Ce(NH4)x(NO3)y, wherein x exceeds zero and y exceeds zero, being contained by 11 to 13% by weight, HClO4 being contained by 4 to 5% by weight, CH3COOH being contained by 1 to 2% by weight, and x is 2 and y is 6. Using the etchant, a Cr layer is selectively etched and the remaining chemical components after etching does not nearly exist, so that the Cr layer being directly etched immediately after an Al alloy layer is etched and therefrom a photoresist is stripped off, thus to eliminate a hard baking process and an ashing process.
Patent KR-20010003508-A (KR)
Inventor: HA HOE SEONG
IPC: H01L21/28
Filed: 1999-06-23
Abstract: PURPOSE: A semiconductor device equipped with a self-aligned contact and a method for manufacturing the same are provided to form a semiconductor device with an improved characteristic by equipping a self-aligned contact. CONSTITUTION: A semiconductor device equipped with a self-aligned contact and a method for manufacturing the same comprise an isolation layer(40), an etching barrier(42), gates, a source/drain, a spacer(46), the first contact, and the second contact. The isolation layer(40) is formed on an inactive region of a semiconductor. The etching barrier(42) covers an upper portion of the isolation layer(40). The gates are formed by inserting a gate insulating layer on a semiconductor substrate(32). The source/drain is formed on both sides of the gates. The spacer(46) is formed on sidewalls of the gates. The first contact is formed between the gates. The second contact is formed on an upper portion of the isolation layer(40).
Patent KR-20010004023-A (KR)
Title: Liquid crystal display
Inventor: KIM CHUNG HU
IPC: G02F1/1343
Filed: 1999-06-28
Abstract: PURPOSE: A liquid crystal display is provided to prevent a size of a reticle from being increased by disposing an alignment key at a display region of each expose area. CONSTITUTION: A liquid crystal display comprises a gate line(2) and a data line(6) which are intersected with each other. A thin film transistor(10) is provided at an intersection of the gate line and the data line and has a gate electrode(2a), a semiconductor layer(4) and source and drain electrodes(6a,6b). An alignment key(20) of a cross shape is disposed on the gate line(2).
Patent KR-20010004397-A (KR)
Inventor: KWON O SEONG
IPC: H01L21/8246
Filed: 1999-06-28
Abstract: PURPOSE: A method for fabricating a ferroelectric memory device is provided to enable an effective planarization of an intermetallic dielectric layer. CONSTITUTION: After the first interlayer dielectric layer(21) is formed on a silicon substrate(20), a capacitor having lower and upper electrodes(22,24) and a ferroelectric layer(23) is formed on the first interlayer dielectric layer(21). Then, the second interlayer dielectric layer(25) is formed thereon and selectively etched to form the first contact hole exposing the upper electrode(24). Next, the first and second dielectric layers(21,25) are selectively etched to form the second contact hole exposing the substrate(20). Thereafter, a metallization layer(26) is formed for interconnection between the capacitor and a transistor, and an intermetallic dielectric layer(27) is formed thereon with a thickness of about from 6000 to 12000 angstrom. A photoresist layer is then formed on the intermetallic dielectric layer(27). Both the photoresist layer and the intermetallic dielectric layer(27) are etched in the same etch rate, so that the intermetallic dielectric layer(27) is planarized.
Patent KR-20010005066-A (KR)
Inventor: MUN SEONG DAE
IPC: F24H9/20
Filed: 1999-06-30
Abstract: PURPOSE: An apparatus for controlling the combustion of a boiler is provided to adjust self-deviation of infrared sensors and voltage change amount of the infrared sensors according to a change in the circumferential environment. CONSTITUTION: An apparatus for controlling combustion of a boiler includes a burner(302) generating the flames when the boiler burns; a first infrared sensor(304) sensing the flames generated by the burner, outputting voltage signal according to the change of wavelength of the flames, and having a first voltage value changeable according to a change in the circumferential environment; a second infrared sensor(306) separated from the first infrared sensor at a predetermined gap and having a second voltage value changeable according to a change in the circumferential environment; a housing(308) having a first sensing part(312) formed opposite to burner between the burner and the first infrared sensor, a second sensing part(314) separated from the first sensing part, and receiving the first and the second infrared sensors; and a control part(310) controlling air fuel ratio by judging the combustion state of the boiler according to the voltage signal, and obtaining voltage change amount to the first voltage value based on the first and the second voltage values.
Patent KR-20010008965-A (KR)
Inventor: KIM HYEONG GON
IPC: H03B5/30
Filed: 1999-07-06
Abstract: PURPOSE: A device for adjusting an ordinary temperature frequency of an oscillator using a print resistor is provided to reduce a cost and a size of the device by making it possible to control the normal temperature frequency using the print resistor. CONSTITUTION: The device has a frequency adjusting stage(4) and a temperature compensating stage(2). The temperature compensating stage(2) has a print resistor(PR) which changes capacitance value of a capacitor(C1) adjusting the ordinary temperature frequency deviation and a capacitor(C2) which sets an adjusting range of the capacitor(C1). The print resistor(PR) controls a trimming by a laser trimming through a trimming window. The device for adjusting the ordinary temperature frequency of the oscillator(VCXO,TCXO) sets a CL value to make an output frequency of the oscillator lower than a central frequency.
Patent KR-20010009326-A (KR)
Inventor: CHO DAE SIK
IPC: H01L27/108
Filed: 1999-07-09
Abstract: PURPOSE: A method for manufacturing a charge storage electrode of a semiconductor device is provided to prevent a loss of a charge storage electrode generated in an etching process, by controlling a thickness of an anti-reflecting coating(ARC) layer so that a predetermined thickness of the ARC layer remains on a polysilicon layer after an etching process. CONSTITUTION: Polysilicon is filled in a contact hole formed in an insulating layer(6) to form a plug polysilicon(7) connected to a junction region(2) formed in a semiconductor substrate(1). A polysilicon layer(8) is formed on the insulating layer to be coupled to the plug polysilicon. An anti-reflecting coating(ARC) layer(9) is formed on the polysilicon layer, wherein a thickness of the ARC layer is controlled so that a predetermined thickness of the ARC layer is left on the polysilicon layer after an etch process. After a photoresist layer(10) is formed on the ARC layer, the photoresist layer is patterned. The ARC layer and the polysilicon layer in an exposed portion are sequentially etched by using the patterned photoresist layer as a mask. The remaining photoresist layer and the ARC layer are sequentially eliminated.
Patent KR-20010009390-A (KR)
Inventor: SIM JAE CHEOL
IPC: G11C29/00
Filed: 1999-07-09
Abstract: PURPOSE: A device for testing a memory is provided to reduce a claim occurrence ratio caused by a memory failure by continuously counting an address when testing an area after a user area. CONSTITUTION: The device includes a test mode detection portion(10) and logic gates(AND1,OR1). The test mode detection portion detects a mode for testing an area after a user area. The test mode detection portion has a counter(10a) counting in response to a high voltage, a decoder(10b) detecting a counting result from the counter, a high voltage detection portion(10c) detecting the high voltage applied to a control pin, a rising edge detection portion(10d) detecting a rising edge of the high voltage, a R/S latch and inverter(RS1) outputting by inverting the an edge detection signal outputted from the rising edge detection portion, and an AND gate(AND3) receiving outputs of the inverter and decoder. The logic gates continuously apply a clock to an address counter(1) when an output of the test mode detection portion is a logic high whereby the area after the user area is counted.
Patent KR-19990073543-A (KR)
IPC: C08J5/00
Filed: 1999-07-21
Abstract: 본 발명은 천연재료를 이용한 플라스틱, 합성수지등과 건축자제 대체재료에 관한 것이다. 
     플라스틱, 합성수지등은 편리한 점도 있지만 공해물질배출등 그 폐해가 크다. 또 건축자재등은 산림을 훼손하여 환경을 파괴시키는 주범이 되고 있다. 
     여기에 착안하여 왕겨나 농산물부산물등 그외 천연재료를 분쇄하여 천연 접착제와 혼합하고 수분을 제거한 뒤 고온압축하여 플라스틱, 합성수지등과 건축자재의 대체재료로 사용하며 버려지는 천연재료를 재활용함과 동시에 수입의 대체효과도 매우 크다 하겠다. 천연재료를 사용하기 때문에 사용후에는 소각하거나 매립할 경우에도 환경오염을 일으키지 않는 환경친화적인 대체재료라 하겠다.
Patent KR-20010017764-A (KR)
Inventor: LIM JONG HO
IPC: H01J29/10
Filed: 1999-08-13
Abstract: PURPOSE: An apparatus for maintaining beam grouping ratio of a flat cathode-ray tube is provided which makes pitches of the center and periphery of a shadow mask uniform to obtain uniform resolution in the center and periphery of a screen while securing uniform stretching of the shadow mask. CONSTITUTION: A shadow mask(5) of a flat cathode-ray tube is fixed to a rail(4) attached on to the inner side of a panel(1). The flat cathode-ray tube employs self-convergence or top/bottom free distortion deflection yoke. The height of the center of the longer side of the rail is higher than the height of the corner of the longer side. Otherwise, the pitch of the top and bottom ends of the center of the shadow mask is larger than the pitch of the center of the shadow mask, and the height of the center of the longer side of the rail is higher than the height of the corner of the longer side.
Patent KR-19990083983-A (KR)
Title: 장력 표시 연결기구
IPC: G01L5/04
Filed: 1999-09-04
Abstract: 본 발명은 장착 본체에 연결구를 통해 와이어를 설치하는 경우, 와이어의 장력을 간단히 확인할 수 있는 장력 표시 연결기구를 제공한다. 
     본 발명은 코일 스프링 본체부(11)의 양 끝에 걸림부(111,112)가 각각 형성된 장력 표시 연결기구로서, 상기 코일 스프링 본체부(11)를 담금질하여 만곡형성하고, 코일 스프링 본체부(11)에 소정의 장력부하가 가해졌을 때, 코일 스프링 본체부(11)의 축이 직선이 되도록 구성되어 있는 장력 표시 연결기구이다. 또한, 본 발명은 코일 스프링 본체부(11)로부터 적어도 한쪽 걸림부에 도달하는 구간을 코일 스프링 본체부(11)의 축에 대하여 소정의 각도를 이루도록 절곡하고, 코일 스프링 본체부(11)에 소정의 장력 부하가 가해졌을 때, 상기 절곡부(113)가 코일 스프링 본체부(11)의 축에 대하여 직선이 되도록 구성되어 있는 장력 표시 연결기구이다.
Patent KR-20000023049-A (KR)
Inventor: CORMAN HENRIKUS
IPC: G01R27/28
Filed: 1999-09-10
Abstract: PURPOSE: A method and apparatus for measuring far end crosstalk to judge equal level far end crosstalk is provided to accurately measure a size of a parameter and provide a measuring value corresponding to a limited link by judging and removing an effect of each end of a link. CONSTITUTION: An ethernet link with 1Gbps located between a workstation(10) and a LAN equipment(12) uses 4 wire pairs(14,16,18,20) having a bi-directional transmission. A crosstalk impact on the wire pair(14) transmitted from the workstation(10) to the LAN equipment(12) is indicated. A crosstalk from three wire pairs(16,18,20) is combined into the wire pair(14). A signal-to-noise ratio from a contribution is a linear ration of a crosstalk amplitude and an attenuation signal amplitude. The signal-to-noise ratio indicated as a decibel(dB) is obtained by computing a difference between a far end cross talk and an attenuation.
Patent KR-20000023201-A (KR)
Inventor: SUGAYA SHIGERU
IPC: H04B7/10
Filed: 1999-09-16
Abstract: PURPOSE: A communication control method and transmission apparatus are provided make the communication state good between stations, in the case of constructing a network system in a plurality of stations by wireless. CONSTITUTION: At least one communication station is equipped with a plurality of antennas having directional property, and the communication station having these plurality of antennas judges a communication station where a wireless signal is transmitted next time. An optimum antenna communicating with the communication station is judged on the basis of the state when the signal was received in the past from the judged communication station, and a wireless communication is performed using the judged antenna. A transmission apparatus(100) is equipped with: a plurality of antennas(111-116) having directional property and being accessed selectively to a transmission processor performing a wireless communication with other communication station in a network; a memory unit(102) memorizing the information of the optimum antenna; and a control unit(101) selecting the optimum antenna in the memorized information of the memory.
Patent KR-20010028401-A (KR)
Inventor: AHN SANG BOK
IPC: B22D11/10
Filed: 1999-09-21
Abstract: PURPOSE: A method for adding bismuth to molten steel is provided to increase working safety by restraining precipitation of bismuth so that bismuth is prevented from being flown into a casting nozzle sliding gate and a ladle bubbling gas blowing hole, and decrease defects of surface by using bismuth having a fine particle size. CONSTITUTION: The method for adding bismuth to molten steel (1) comprises the process of bottom bubbling the molten steel (1) so that the molten steel is agitated in a flow rate of 0.40 to 0.70 Nm3/Hr per ton of molten steel in an opposite direction to the feeding direction of bismuth wire (2) from right before the bismuth wire is fed in manufacturing bismuth free cutting steel by feeding a bismuth wire into the molten steel (1) which is received in a ladle (3). The feeding rate of the bismuth wire (2) is controlled so that wire skin is melted at right below a position where a vapor pressure of the bismuth wire is identical to a steel static pressure. The bismuth wire (2) is fed into the molten steel (1) as being placed on a vertical line of a gas blowing hole (4) of the ladle (3) for bubbling.
Patent KR-20000023347-A (KR)
Inventor: BOWER CRISTOPHER ANDREW
IPC: C01B31/30
Filed: 1999-09-21
Abstract: PURPOSE: An element for emitting an electric field containing a carbon nanotube being strong and having an adherence is provided. CONSTITUTION: A film of adhesive nanotube is arranged on a flat conductive substrate in an improved element for emitting an electric field containing an emitter structure of electric field of a carbon nanotube. The single-walled carbon nanotube is spread on the substrate containing a material reacted with the carbon such as a carbon-melting element(for example, Ni, Fe, Co) or a carbide-forming material(for example, Si, Mo, Ti, Ta, Cr). An a-C interposed in an interface of substrate/film to fix the nanotube on the substrate is formed in the nanotube by controlling the formation of nanotube with a process to spread the film of nanotube on the substrate.