baber/WOPTO huggingface dataset:
Patent KR-20000005953-A (KR)
Inventor: BODANRWIBONAR
IPC: H04L12/66
Filed: 1999-06-05
Abstract: PURPOSE: A device is provided to interface between an internet and a telephone network. CONSTITUTION: The device for performing a digital switching function comprises a memory(103) for storing PCM samples from a time slot switching function, which receives samples stored in the memory. The device includes an additional memory and a rooting processor(213). The additional memory stores PCM samples to perform a packet assembly-disassembly function and transfer output data samples to the memory. The rooting processor(213) controls the additional memory and a packet assembler-disassembler. A packeted traffic received from the time slot bus interface through the memory is transferred to the time slot bus interface through the memory after being assembled to packets having an appropriate header.
Patent KR-20010002568-A (KR)
Inventor: JUNG CHUN SU
IPC: E04D11/02
Filed: 1999-06-16
Abstract: PURPOSE: A construction method for multi-layer compound water-proofing is provided to prevent separation smong layers, and cracks of a water proofing layer, and improve the heat resistance, salt resistance, tensile strength and elongation, and reduce the term of work and cost. CONSTITUTION: A construction method for multi-layer compound water-proofing comprises the steps of; mixing asphalt, styrene-butadienes rubber, oil of naphthene group, filler(CaCO3) and petroleum resins at the temperature of 150-170 deg.C; bonding the composite to a water proof sheet; covering the unsaturated polyester resin of which the elongation is 40-100%, and the tensile strength is 100-200kg/cm<SP POS="POST">2</SP>; laying fiber glass before the resin is hardened, and then covering polyester resin on the fiber glass.
Patent KR-20010004742-A (KR)
Inventor: JUNG CHEOL MO
IPC: H01L21/304
Filed: 1999-06-29
Abstract: PURPOSE: A method for cleaning a semiconductor device after a chemical and mechanical polishing is provided to enhance productivity of the device, to allow a semipermanent use of a cleaning solution, and to prevent pollution. CONSTITUTION: After a chemical and mechanical polishing(CMP) is completed, particles(12) and organic matters(13) produced therefrom remain on a wafer(11). To remove them, the wafer(11) is dipped in a cleaning solution contained in a cleaning bath. Then, the first cleaning process is carried out by electrical oxidation-reduction reaction technique. Thereby, metal residue and metal are removed. After that, the second cleaning process is performed by electrophoresis technique. Thereby, metal particles and metal oxide particles are removed. The first and second cleaning processes are performed with using ammonia media.
Patent KR-20010017575-A (KR)
Inventor: LEE KANG SU
IPC: F16L15/00
Filed: 1999-08-12
Abstract: PURPOSE: A synthetic resin pipe connecting device is provided to easily connect synthetic resin pipes by forming fixing flanges in one end of one or all of two connecting pipes bonded with respective ends of the synthetic resin pipes and installing a joint ring in the outside of the fixing flange. CONSTITUTION: Connecting pipe bodies(310,320) having fixing flanges(311,321) are installed in the ends of two synthetic resin pipes. A rubber packing member(370) is interposed between the flanges. Joint ring bodies(330,340) having bolt holes for combination via a bolt(350) and a nut(360) are installed in the outer faces of the fixing flanges. The joint ring bodies are composed of a face-to-face contact portion contacting with the fixing flanges and protrusions(333,343) formed in the face-to-face contact portion in radius and having bolt holes(332,342). The joint ring bodies are divided into pieces(331,341) having bolt holes. For making the pieces in a ring shape, combining sills(334,344) combined by the bolt are formed in the ends of the pieces. The ring bodies are joined by the combination of the combining sills. While the bolt holes are aligned, the joint ring body is firmly combined by the bolt and the nut. The connection of the synthetic resin pipes becomes easy. According to the division of the joint ring bodies, the installation of the joint ring bodies in the connecting pipes is convenient and the bending and deformation of the fixing flanges are controlled easily. By adhering the fixing flanges with the total force of the joint ring bodies, the synthetic resin pipes are kept watertight.
Patent KR-20010017770-A (KR)
Inventor: CHUN JANG SEONG
IPC: H02K9/02
Filed: 1999-08-13
Abstract: PURPOSE: A device for cooling a linear motor is provided to improve the cooling efficiency of a coil unit and a permanent magnet by installing a supplying pipe in the middle portion of a stator back iron. CONSTITUTION: A plurality of permanent magnets are installed on the inner side of a back iron of a stator. An operator(55) is installed on one side of a frame(54), and is moved along the inner side of the stator. A plurality of ventilating holes(4) are formed on both surfaces of the back iron(50) of the stator. A supplying pipe(3) which is communicated with a plurality of ventilating holes so that the air is flowed to an air gap through a space between permanent magnets installed on the inner side of the back iron(50) of the stator. The supplying pipe(3) is installed on both surfaces of the back iron of the stator and the lower portion.
Patent KR-20010019171-A (KR)
Inventor: AHN GEUN HUI
IPC: H03D1/00
Filed: 1999-08-25
Abstract: PURPOSE: A matched filter, filtering method and multimedia digital broadcasting using the same are provided so that reduction of SNR and increase of circuit complicacy can be prevented by automatically adjusting a carrier frequency according to a carrier frequency offset. CONSTITUTION: In a multimedia digital broadcasting receiving device using the first matched filter(102), a pre-processing unit(101) converts an IF analog signal into a band pass digital signal, and outputs a mixed filter input. In addition, the first matched filter(102) automatically adjusts the matched filter input from the pre-processing unit(102) according to a feedback carrier frequency, thus outputting a matched filter output. Thereafter, a post-processing unit(103) post-processes the matched filter output from the first matched filter(102). A carrier restoring unit(104) restores a carrier frequency from the signal post-processed in the post-processing unit(103), and feeds back the carrier frequency to the first matched filter(102). Therefore, the matched filter can automatically adjust the carrier frequency according to the frequency offset of the carrier.
Patent KR-20010019497-A (KR)
Inventor: PARK BYEONG HO
IPC: B29D30/48
Filed: 1999-08-27
Abstract: PURPOSE: A surface treating agent and surface treatment method for the adhesion enhancement and the collision inhibition of wire cord for a tire are provided to prevent the promotion of corrosion by an acidity change at interface according to progress with corrosion, to improve initial adhesion and aging adhesion, and to inhibit a drop of heat aging property of rubber by not adding cobalt salt to rubber composition. CONSTITUTION: A surface treating agent comprises 2-10 g of cobalt-boroacylate and 3-10 g of silane based surfactant compound per 1 liter of solvent, and has the pH range of 6-9. A surface treatment method of wire cord comprises immersing wire cord into the surface treating agent containing silane based compounds and cobalt-boroacylate for 1-20 seconds and then drying, or continuously treating the wire cord wet in the solution, or treating the wire cord by sprayer. Thereby, the adhesion between wire cord and rubber is enhanced, and heat aging is prevented by not using cobalt salt in rubber formulation for tire belt.
Patent KR-20010026563-A (KR)
Inventor: KIM SEONG JIN
IPC: H01L21/66
Filed: 1999-09-07
Abstract: PURPOSE: A circuit board for a semiconductor package and a method for detecting an inferior circuit board are provided to detect an inferior unit among a circuit board and stop the manufacturing process or remove the inferior circuit board easily. CONSTITUTION: A circuit board strip(100) is formed of a series of circuit board unit(2) each having inferior detecting part located in a side face around the circuit board. A circular metal pad and a conductive via hole connected to the pad are formed on a side of a resin layer. The conductive via hole is electrically connected to a ball land located in the other side or a chip mounting part(8). The metal pad and an area of an inferior detecting circuit pattern not coated with cover coat(6) respectively form an aperture to be directly exposed from outside. In case the circuit board unit(2) is decided to be inferior, a nonreflective ink having a dark tone is applied to the metal pad to detect inferiority state visually. Because an electric current does not flow in the metal pad the ink is applied, the inferior circuit board unit(2) is easily detected during an electrical test.
Patent KR-20010028163-A (KR)
Inventor: HWANG SEONG SU
IPC: D01D5/30
Filed: 1999-09-18
Abstract: PURPOSE: Provided are a side-by-side type conjugated hollow yarn, a spinning nozzle for producing it and a preparing method thereof having excellent crimp property and compression resistance. CONSTITUTION: The spinning nozzle is characterized by containing more than one two-slit type nozzle which is formed with the first semicircular type slit(1) and the second semicircular type slit(2) having two discontinuous parts on discontinuous circular type. The preparing method is characterized by: extruding two classes polymer having different viscosity through the spinning nozzle; and passing the polymers through the slits, followed by conjugating.
Patent KR-20010028760-A (KR)
Inventor: YANG SEONG HUN
IPC: H04M3/08
Filed: 1999-09-22
Abstract: PURPOSE: A method for testing the failure of a switching station is provided to enable the state of the station to be tested every time desired by a manager, by allowing the station to receive the reflection sound of a transmitted signaling sound, and thereby outputting a test result according to the received reflection sound and a signal transmission state. CONSTITUTION: When a man machine processor receives a continuity check massage, and then reports the reception of the message to the first trunk call processing block(200). This block asks the output of a continuity signaling sound to the first peripheral processor(PP)(210). The first PP sends a continuity check tone request(CCR) to the second trunk call processing block(220). The first PP outputs a signaling sound to the second PP, and then the second PP sends the sound received from the first PP back to the first PP(230). The first PP reports a failure test result to the first trunk call processing block(240). The first trunk call processing block sends the failure test result received to the second trunk call processing block and the man machine processor(250,260).
Patent KR-20010035991-A (KR)
Inventor: HAN GWANG GUK
IPC: H03K17/967
Filed: 1999-10-05
Abstract: PURPOSE: Keys for a keyboard are provided to separate the English and Korean input modes distinctively by differentiating the height of the keys corresponding to the mode. CONSTITUTION: Of an English/Korean toggle key used in a keyboard, an activator includes two separated plungers(101,102). The sides of the plungers(101,102) making a contact are indented. So when a key cap(4) is pushed down once, the indented sides of the plungers(101,102) hold onto each other. Two jaws(106,107) are constructed on the inner wall of a housing(105) to hold the second plunger(102). To recover the height of the key, the second plunger(102) should be pushed in an opposite direction by the first plunger(101).
Patent KR-20010036195-A (KR)
Title: Damper device for refrigerator
Inventor: KIM CHI YEONG
IPC: F25D17/00
Filed: 1999-10-06
Abstract: PURPOSE: A damper apparatus for refrigerator is provided to reduce manufacturing cost by eliminating, from the configuration, the motor for opening/closing a baffle. CONSTITUTION: A damper apparatus comprises a frame(50) mounted in a cooling air supply path and which has a cooling air passage hole(50a); a baffle(52) supported to be rotatable at the side of the frame, and which rotates so as to open/close the cooling air passage hole; a gear unit(56) mounted at a rotation shaft(54) of the baffle; an opening/closing guide(70) having a rack gear(70a) to be engaged with the gear unit and which moves in straight vertical direction so as to rotate the gear unit; and a shape memory alloy(64) which contracts and expands by the heat produced from a heater wire(62) wound along the outer periphery of the shape memory alloy and which allows the opening/closing guide to move in a linear manner. A baffle driving unit(60) has an actuating shaft(66) mounted onto the top of the baffle driving unit, and the shape memory alloy is wound along the actuating shaft.
Patent KR-20000000305-A (KR)
Inventor: JEONG SANG KYO
IPC: A41D13/00
Filed: 1999-10-12
Abstract: PURPOSE: A safety clothing for a tunnel and an underground work is provided to stably protect a chest vertebra and a neck part and to easily put on and take off. CONSTITUTION: A safety clothing for a tunnel and an underground works comprises:a protection body in a quality of a poly carbonate(200) formed in a center part; an inner and outer buffers(210) formed on the both side faces of the protection body; a rear protection unit(110) for protecting a back part; a neck protecting unit(140) for protecting a neck; a connection unit(150).
Patent KR-20000000350-A (KR)
Inventor: LEE JAE HO
IPC: A47J37/07
Filed: 1999-10-14
Abstract: PURPOSE: A barbecue roast device is provided to enhance the roasting efficiency according to the size of the roaster by making the roaster move forward and backward in a certain section. CONSTITUTION: A barbecue roast device is installed by:a roast bar(47) to stick and pile up roasters(80), a gear box(50) and a power shaft(14) to rotate the roast bar at a certain speed; a drive motor(11) to rotate the power shaft; and a hand-operated handle(30) to move forward and backward the gear box and the power shaft according to necessary.
Patent KR-20000029354-A (KR)
Inventor: AIMOTO YOSHIHARU
IPC: G11C7/10
Filed: 1999-10-27
Abstract: PURPOSE: A dynamic memory apparatus is provided to accelerate the speed of access and cycle and to reduce the chip area of a timing control circuit and the power consumption of a memory chip used in the inner of the memory chip. CONSTITUTION: A DRAM cell circuit(1) comprises a plurality of word lines(SWL) and a plurality of bit line pairs. DRAM memory cells are located on each intersection point of the word lines and the bit lines. One SA circuit(2A) is provided for each bit line pair. The SA circuit(2A) is located symmetrically with respect to the DRAM cell circuit(1) in the upper part and the lower part of the DRAM cell circuit(1). Each record SA part(22) comprises a precharge equalizer(33). A read SA part, comprising a second detection amplifier(28), a read switch(29), a record switch(30) and a precharge equalizer(31), is provided to the record SA parts(22) in common. An SA selection circuit(23), located between the read SA part(24) and the record SA parts, comprises a plurality of transmission gates controlled respectively by transmission gate control signals(TGI-TG4). A couple of input/output terminals of the second detection amplifier(28) are connected to a first bit line pair of the DRAM cell circuit through a first transmission gate pair. A couple of output parts of the read switch(29) controlled by a read signal(RS) are connected to a data input/output circuit(5) through output data line pairs.
Patent KR-20010005466-A (KR)
Inventor: KIM DO HYEONG
IPC: H01H85/02
Filed: 1999-11-03
Abstract: PURPOSE: A connector for a cartridge junction box is provided to improve a productivity by making a complex-type connector having united male and female parts. CONSTITUTION: A connector for a cartridge junction box is divided into a connector(11) for a fuse(13) and a connector(12) for a relay(14). A female part of each connector(11,12) is made so as to correspond to a male part of each of the fuse(13) and the relay(14). The male part of each connector(11,12) is assembled in a female part of a connector(19) which is arranged at a junction box(18).
Patent KR-20010045228-A (KR)
Inventor: HONG JEONG UI
IPC: H01L21/24
Filed: 1999-11-03
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to prevent yield from being decreased by high contact resistance between a word line and a bit line and to improve an operating speed, by implanting phosphorous ions into the word line and the bit line. CONSTITUTION: A gate insulating layer, the first conductive layer and the first metal silicide layer are sequentially formed on a semiconductor substrate(21). Phosphorous ions are implanted into the first metal silicide layer. The first metal silicide layer and the first conductive layer are selectively eliminated to form a word line(24). An interlayer dielectric(26) is formed on the entire surface including the word line. The interlayer dielectric is selectively eliminated to expose a predetermined portion of the surface of the word line and to form a contact hole. The second conductive layer and the second metal silicide layer are sequentially formed on the entire surface of the semiconductor substrate including the contact hole. Phosphorous ions are implanted into the second metal silicide layer. The second metal silicide layer and the second conductive layer are selectively eliminated to form a bit line(28) electrically connected to the word line.
Patent KR-20010046628-A (KR)
Inventor: JUNG SEUNG TAE
IPC: G11B7/122
Filed: 1999-11-13
Abstract: PURPOSE: An optical head for recording reproduction and optical recording playback adopting this is provided to realize high speed record and/or reproduction speed by making a recording and/or reproduction simultaneously at least more than one of track. CONSTITUTION: A light source(110) emits at least more than one of light simultaneously. An optical path conversion device is arranged at an optical path between the light source(110) and an optical disc(60), and converts a proceeding path of the incidence angle. An objective lens(130) is installed at a slider(75) which is moving at the optical disc(60) with being floated by air dynamic pressure to be occurred by rotation of the optical disc(60), and is emitted from the light source(110), and focuses lights which is made an incidence by way of the optical path conversion device, and then forms this at the optical disc(60). An optical detector(150) is installed at one side of the optical path conversion device, and is reflected at the optical disc(60), and receives lights which is made an incidence by way of the optical path conversion device and the objective lens(130).
Patent KR-20010047750-A (KR)
Inventor: HAN KYU TECH
IPC: H02M5/00
Filed: 1999-11-23
Abstract: PURPOSE: A step-down circuit for an utility power supply is provided to drop the utility power supply by implementing a simple circuit using an element characteristic without a transformer. CONSTITUTION: A triac(T) performs a switching operation at a zero volt point when an AC voltage of 220V is input. A diac(D) is connected with a gate of the triac(T) to trigger the triac. A variable resistor(VR) and a constant resistor(R2) are connected with the diac(D) and one terminal of the triac(T) to detect the zero volt point. A capacitor(C) is connected with the diac(D) and the other terminal of the triac(T). A varistor(V) is connected with the capacitor(C) in parallel to compensate the temperature of current input to the diac(D). A resistor(R1) is connected to an output(Vout) in parallel to prevent the overcurrent phenomenon of current applied to a load.
Patent KR-20000067813-A (KR)
Title: 정보 변환 시스템
IPC: H04N1/41
Filed: 1999-11-25
Abstract: 화상 기타의 대상물 정보를 송수신함에 있어서, 그 전송량을 적게하여 가령 전송, 기록 등의 각 처리를 간단 신속하게 행할 수 있게 한다. 
     대상물에 관하여 취득한 대상물 화상정보를 이 대상물에 대응하여 미리 등록되어 있는 정보코드로 변환하여, 이 정보코드를 배열코드와 조합하여 송신, 출력하는 정보코드 변환장치(10)를 형성한다. 정보코드를 수신, 입력하는 재현변환장치에서는 정보코드, 배열코드에 대응하여 미리 등록되어 있는 대상물의 재현화상정보로 변환하고, 대상물의 화상을 배열재현한다. 이때, 정보코드 변환장치(10)의 부품고(庫) 데이터베이스(14A), 재현변환장치의 재현부품고 데이터베이스는 각종 대상물 각각에 대응 관련지운 대상물데이터, 재현 대상물데이터를 미리 작성, 등록 축적시키고 있고, 부품검색용 상관함수 연산수단(14)에 의해 대상물 정보에서 정보코드로 변환하고, 부품배열 처리수단에 의해 정보코드, 배열코드에서 재현대상물 정보로 변환하여 대상물화상을 재현한다.
Patent KR-20010053892-A (KR)
Title: Forming method for semiconductor apparatus
Inventor: KIM HYEONG SIK
IPC: H01L21/28
Filed: 1999-12-02
Abstract: PURPOSE: A method for fabricating a semiconductor device having a multilevel interconnection layer is provided to reduce the entire time required for the process of fabrication. CONSTITUTION: The method includes separately and simultaneously forming the first and second wafers, the first wafer having a transistor(43,44,45) and the second wafer having the interconnection layer(52). To form the first wafer, the transistor(43,44,45) is formed on the first semiconductor substrate(41) and covered with the first interlayer dielectric layer(46). Next, a contact(47) connected to the transistor(43,44,45) is formed in the first interlayer dielectric layer(46), and the first silicon layer(48) is formed over the first wafer. On the other hand, to form the second wafer, the interconnection layer(52) is formed on the second semiconductor substrate(53), and the second interlayer dielectric layer(51) is formed thereon. Next, a contact(50) connected to the interconnection layer(52) is formed in the second interlayer dielectric layer(51), and the second silicon layer(49) is formed over the second wafer. The first and second contacts(47,50) correspond exactly with each other. Thereafter, the second wafer is turned over and thermally attached to the first wafer. Here the confronting contacts(47,50) are melted into the attached silicon layers(48,49) and thereby connected to each other.
Patent KR-20010054675-A (KR)
Title: Photosensitive polymer and chemical amplification type photoresist composition containing the same
Inventor: CHOI SANG JUN
IPC: G03F7/039
Filed: 1999-12-07
Abstract: PURPOSE: Provided is a chemical amplification type photoresist composition containing a photosensitive polymer, which can be exposed by ArF eximer laser and has high dry etching resistance and excellent film adhesive property. CONSTITUTION: The chemical amplification type photoresist composition contains the photosensitive polymer (formula I) having a weight average molecular weight of 3,000-100,000, wherein R1 is a tert-butyl group, tetrahydropyranyl, or C1-C20 aliphatic hydrocarbon, R2 is hydrogen, hydroxyl, hydroxymethyl, 2-hydroxyethyl oxycarbonyl, or carboxylate, l/(l+m+n+p+q) is 0.0-0.4, m/(l+m+n+p+q) is 0.0-0.5, n/(l+m+n+p+q) is 0.5, p/(l+m+n+p+q) is 0.1-0.4, and q/(l+m+n+p+q) is 0.0-0.3.
Patent KR-20010056522-A (KR)
Inventor: HAM SEONG HUN
IPC: F28D1/04
Filed: 1999-12-15
Abstract: PURPOSE: A capillary heat exchanger is provided to promote reduction of pressure loss and to reduce heat exchanging performance by forming a heat exchanger in capillary type including a heat transfer pipe having a pipe diameter of lower than 6mm. CONSTITUTION: A capillary heat exchanger consists of cooling fins(200) having plural groups of slits(220) and heat transfer pipes(100) connected through each connecting hole(210) of the cooling fins. The heat transfer pipe of the capillary heat exchanger has a pipe diameter of 5-6mm smaller than one of the former heat transfer pipe of 9.52mm. The cooling fin has the width(W2) smaller than one of the former cooling fin. Each slit of the cooling fins is arranged in 4 rows of each group. A distance(P1) between the center of a connecting hole and the center of the other connecting hole is about 19-20mm. A distance(P2) between the center of a connecting hole and the center of the other connecting hole on the cooling fin is 10-11mm. Each slit is protruded in the same direction from a side of the cooling fins. Therefore, sudden pressure loss is prevented to the maximum as the distance between the cooling fins is reduced.