baber/WOPTO huggingface dataset:
Patent KR-19990088360-A (KR)
IPC: B01J2/20
Filed: 1999-05-18
Abstract: 본 발명은 증기 양생에 의해 골재화할 때에 절대 건조 비중을 용이하게 제어하고, 특히 저비중의 인공 경량 골재를 제조하는 방법 및 이 방법에 의해 얻어진 인공 경량 골재를 제공하는 것을 목적으로 한다. 
     본 발명은 규산질 원료와 석회질 원료를 혼합하거나 또는 혼합한 후 분쇄하고, 다음에 물을 첨가하여 슬러리화하여 주형에 주입하여 양생하고, 이어서 이 주형 내에서 반가소성 상태로 경화된 생 케이크를 메쉬에 의해 압출하면서 길이 방향으로 절단하거나 또는 파단하고, 이들을 전동(轉動)시킨 후 증기 양생을 행하는 것을 특징으로 하며, 상기 증기 양생법은 고압 증기 양생, 또는 상압 증기 양생한 후에 고압 증기 양생을 행함으로써 실시하고, 또한 상기 규산질 원료와 석회질 원료의 혼합물에 산화 칼슘을 첨가하고, 또한 상기 슬러리에 발포제를 첨가하며, 더욱이 석회질 원료인 시멘트와, 산화 칼슘 및/또한 수산화 칼슘의 첨가량을 각각 1∼50 중량%, CaO 환산으로 1∼50 중량%로 하고, 또는 황산 칼슘의 첨가량을 CaSO 4 환산으로 0.5∼10 중량%로 하며, 더욱이 상기 전동시에 표면 특성 개질제(改質劑)를 코팅하고, 그 후 증기 양생하는 인공 경량 골재의 제조 방법을 특징으로 한다.  또한 상기한 제조 방법에 의해 얻어지고, 또 절대 건조 비중이 0.5∼1.5인 인공 경량 골재를 특징으로 한다.
Patent KR-20010001363-A (KR)
Inventor: PARK GEON YEONG
IPC: G06K9/00
Filed: 1999-06-03
Abstract: PURPOSE: An apparatus and method for recognizing a fingerprint in a bank transaction system is provided to detect a wanted criminal who uses the bank transaction system by storing the fingerprint of the wanted criminal in a memory and provide a special service to a VIP customer of the bank by storing fingerprints of the VIP customer. CONSTITUTION: A bank transaction system having a display(140) includes a first storage part(170), a fingerprint recognition part(150), a characteristic detection part(160), a second storage part(190), and a controller(130). The first storage part stores many fingerprints of many wanted criminal and VIP customer of the bank. The fingerprint recognition part recognizes a fingerprint of the user if the user inputs his fingerprint. The characteristic detection part detects a characteristic of the user fingerprint. The second storage part stores a detected user characteristic through the characteristic detection part. A controller of a fingerprint recognition apparatus for the bank transaction system displays a fingerprint input command on the display, compares the characteristic stored in the first storage part with a user fingerprint characteristic of the characteristic detection part, and determines whether both fingerprints are identical to each other, and performs a bank transaction processing according to the result. A controller stores all fingerprints of all users in the second storage part and provides VIP service to VIP customer of the bank by detecting the fingerprint of the VIP customer.
Patent KR-20010001651-A (KR)
Inventor: JUNG CHANG HUI
IPC: F24F1/00
Filed: 1999-06-07
Abstract: PURPOSE: A dust collecting apparatus is provided to achieve improved efficiency of air cleaning and air blowing while reducing electric power consumption. CONSTITUTION: A hexagonal column-shaped cabinet has side inlet ports arranged at both lower side surfaces of the cabinet, and a front outlet port and side outlet ports, respectively, at an upper front surface and both side surfaces of the cabinet. The cabinet has at an inner lower side thereof a blower, and a housing(55) for protecting the blower from an external impact and forming a flow channel of an air sucked and discharged through the blower. A pair of first fixing brackets(61a,61b) are fixed at the front surface of the housing, in such a manner that the brackets are positioned at both sides of an intake portion(55') formed at the housing. The first brackets have dust collectors(63a,63b), respectively, for executing air purification with respect to the air flowing into the blower through the intake portion of the housing.
Patent KR-20010003485-A (KR)
Inventor: RYU CHI HUN
IPC: H02J7/00
Filed: 1999-06-23
Abstract: PURPOSE: A cover for a charger assembly is provided to prevent moisture or a different thing from being entered into charging terminal holes by covering an upper surface of a foundation unit when a wireless terminal is not put in the charger assembly. CONSTITUTION: A charger assembly comprises a charger housing(10) and a cover(20). The cover(20) is installed at an upper surface of a foundation unit, with a cover shaft(22) coupled with shaft grooves formed at both sides of the foundation unit. A printed circuit board(30) is installed in the charger housing(10). Charging terminals(14) are installed at the printed circuit board(30) so that ends thereof are protruded via charging terminal holes formed at a front surface of the separation table(12) and at an inner side of the second chamber(18). A cover(20) has a cover terminal(24) installed so as to penetrate front and rear surfaces of the cover(20).
Patent KR-20010003493-A (KR)
Inventor: KIM YOUN SOP
IPC: C08F14/00
Filed: 1999-06-23
Abstract: PURPOSE: A process of preparing the titled composition capable of remarkably extending the effective life of a rubber roll and increasing its serviceability by increasing hardness, elongation percentage and wear resistance of the rubber roll is provided, which has an effect on reducing maintenance cost and remarkably promoting productivity in an ironworks. CONSTITUTION: In a rubber roll composition for mechanical apparatus in an ironworks, 5 to 15 phr of Teflon having a particle diameter of 3 micrometer and a surface area of 8 m2/g is mixed with a polymer and then conventional rubber roll compositions at a twin screw mill.
Patent KR-20010003655-A (KR)
Inventor: KWON SEOK CHEON
IPC: G11C16/24
Filed: 1999-06-24
Abstract: PURPOSE: A flash memory device is provided to prevent a wrong operation due to software by programming each memory cell. CONSTITUTION: A flash memory device includes memory blocks(BLOCK0,BLOCK1,...BLOCKj) and a plurality of bit lines. The memory blocks provide a plurality of strings(S0,S1,,..Sm-1,Sm). The plurality of bit lines correspond to each of the strings and are arranged through the memory blocks. The strings includes a string selecting transistor, a switch transistor, first and second memory cell transistors, and a ground selecting transistor. The string selecting transistor provides the first current electrode connected to a corresponding bit line and a gate electrode connected to the first selecting signal. The switch transistor provides a gate electrode connected to the first and second current electrodes and the second selecting signal. The plurality of first memory cell transistors are connected between the second current electrode of the string selecting transistor and the first current electrode of the switch transistor. The ground selecting transistor provides the first current electrode connected to a common ground line and a gate electrode connected to a third selecting signal. The plurality of second memory cell transistors are connected between the second current electrode of the switch transistor and the second current electrode of the ground selecting transistor.
Patent KR-20000006521-A (KR)
Title: Nonvolatile semiconductor memory device
Inventor: FUJIORYOSKE
IPC: G11C16/12
Filed: 1999-06-28
Abstract: PURPOSE: A nonvolatile semiconductor memory device is provided to improve erase operation of the memory device keeping up a size and the number of wires of the memory device. CONSTITUTION: A nonvolatile semiconductor memory device comprises a P potential supplying circuit for supplying potential to P-channel sources of respective inverters coupled to respective word lines, a N potential supplying circuit for supplying the potential to sources of respective N-channel transistors included in the inverters, a reading/writing determining circuit for determining an operation mode of the memory device between a reading mode and a writing mode, and an erase detecting circuit for determining whether the memory device is operated in an erase mode or not.
Patent KR-20010010966-A (KR)
Inventor: CHOL KYUNG HO
IPC: F01K17/02
Filed: 1999-07-24
Abstract: PURPOSE: A waste heat recovery method is provided to improve the efficiency of the generator by heating the compensating water with the waste heat from the steam of the condensing turbine. CONSTITUTION: A condenser(10) has a waste heat exchanger(20). The heat exchanger is connected with a compensating water tank(40) through a compensating water inflow line(25) and with a circulation line through a feed water heater(14) or a heat consumption section(30) using waste heat by a compensating water discharge line(26) in the other side. The heat exchanger is supplied with compensating water heated by the steam from the turbine through the compensating water inflow line and through the compensating water discharge line. The heat exchanger in a cooling water discharge line is supplied from a compensating water inflow with compensating water transmitting the heat of cooling water(23) from the cooling water discharge line.
Patent KR-20010016672-A (KR)
Inventor: LIM DAE U
IPC: B01D39/06
Filed: 1999-08-02
Abstract: PURPOSE: A method for manufacturing an antibacterial liquid filter using macbansuk(elvan) is provided to prevent agglutination phenomena and greatly improve function of the filter by manufacturing an antibacterial filter using macbansuk(elvan). CONSTITUTION: The method for manufacturing an antibacterial liquid filter comprises the process of using macbansuk(elvan) contained nonwoven fabric manufactured by simultaneously spinning with a general synthetic polymer as a support layer and a drain layer after preparing a master batch chip containing macbansuk(elvan) which has porous surface in manufacturing a liquid filter by laying up a support layer, a filter media layer, and a drain layer. The macbansuk(elvan) contained nonwoven fabric comprises 5 to 20 wt.% of macbansuk(elvan). The liquid filter is far superior in the functional aspects such as antibacterial and ammonia adsorption properties to conventional filters.
Patent KR-20010017705-A (KR)
Inventor: LEE SOOK JIN
IPC: A47J47/08
Filed: 1999-08-13
Abstract: PURPOSE: A kimchi case for a refrigerator and a production method are provided to keep the taste and freshness of kimchi for a long time by using elvan and to maximally suppress smell generated upon keeping the kimchi case in the refrigerator. CONSTITUTION: A kimchi case(40) and a side dish case are formed in a square shape and comprise an upper cover, an adhesive and a lower container(54). To produce the kimchi case, elvan is crushed. A mixture mixed with jade, granite, yellow earth and silica is mixed with the elvan at the wt% ratio of 60:40 to 80:20 and kneaded. The kneaded material is molded into a specific shape and dried. Then, the molded product is processed in a pot at 1,250 to 1,350 deg.C for 12 to 15 hours.
Patent KR-20010018456-A (KR)
Inventor: BAEK SEUNG RYONG
IPC: H01L21/31
Filed: 1999-08-19
Abstract: PURPOSE: A method for manufacturing an interlayer dielectric of semiconductor device is provided to maintain quality of interlayer dielectric stably by preventing abnormality of layer surface. CONSTITUTION: An isolation region is defined by an oxide layer or a trench(12) on a silicon substrate(11). An N-MOS(Metal Oxide Semiconductor) or a P-MOS transistor, composed of a gate(G), a source(S), and a drain(D), is formed on the isolation region in the substrate(11). An oxide layer(13) is doped on the whole silicon wafer(11). A TEOS(Tetrathylorthosilicate) group of BPSG(Borophosphosilicate) layer(14) is vaporized on the substrate(11) using an APCVD(Atmospheric Pressure Chemical Vapor Deposition) or a SACVD(Sub-Atmospheric Chemical Vapor Deposition) method. After vaporizing the BPSG layer(14), the surface of BPSG layer(14) is washed using SC-1 wash solution. An oxide layer(15) is built on the BPSG layer(14) to protect contacting the BPSG layer(14) with air. The semiconductor substrate(11) is loaded into a furnace. After densely process of the BPSG layer(14) by annealing, some part of the BPSG layer(14) is removed by CMP(Chemical Mechanical Polish) method.
Patent KR-20010019922-A (KR)
Inventor: LEE YEONG JU
IPC: H01L29/84
Filed: 1999-08-31
Abstract: PURPOSE: A method for manufacturing an electrostatic micro-structure is provided to decrease a driving voltage of an actuator and to improve sensitivity of a capacitive sensor, by making an interval between comb electrodes have a size not larger than a micrometer. CONSTITUTION: After the first sacrificial layer and the first structure layer are sequentially formed on a substrate, the first sacrificial layer and the first structure layer are etched to expose the substrate to form a predetermined pattern. The second sacrificial layer is formed on the entire surface and etched to expose the substrate and the first structure layer. An insulating layer and the second structure layer are sequentially formed on the entire surface. The second structure layer is etched for planarization to expose the insulating layer. The exposed insulating layer is selectively etched. The first and second sacrificial layers are eliminated, and the exposed portion of the insulating layer is selectively removed.
Patent KR-20000022844-A (KR)
Inventor: PATITSAS GEORGE PILEMON
IPC: C08L23/22
Filed: 1999-09-01
Abstract: PURPOSE: An expansible bladder is provided to be used to a press for hardening a rubber composition such as tire of air pressure. CONSTITUTION: A bladder is produced by bridging more than one bridgeable rubber polymers containing more than one isobutylene tuber polymers over 90wt%(based on the whole rubber polymer) having a repeated segment over 90wt% from the isobutylene, the repeated segment of 1-10wt% from a conjugated diene having 4-8 carbon atoms, and the halogen repeated segment under 10wt% except a selectively bromated paramethyle styrene, and a rubber mixture containing more than one hardeners for more than one rubber polymers. The bladder contains a mono or a poly(alkyl)phenoxy poly(alkylene oxy)alkanol dispersed in the whole bladder additionally.
Patent KR-20010026286-A (KR)
Inventor: LEE CHANG GEUN
IPC: F02M23/04
Filed: 1999-09-04
Abstract: PURPOSE: A rotary actuator is provided to supply air of minimum quantity for rotation of an engine by controlling a duty ratio as an operational signal of a valve employing a permanent magnet. CONSTITUTION: A rotary actuator comprises a valve assembly(80) and a solenoid assembly(50) controlling a valve(88) of the valve assembly. The valve controls exhaust quantity by the size of a gap formed between the valve and a valve seal. A permanent magnet(120) is mounted in the upper portion of a shaft(82). A stator(64) has recessed portions at both sides. In an initial state without application of electricity, N and S poles of the permanent magnet are placed in the recessed portions. If a duty ratio is within a range of 1-49%, the shaft is rotated counterclockwise, and the valve is closed. With duty ratio within a range of 51-99%, the shaft rotates clockwise, and the valve is opened. With 50% of duty ratio, the valve returns to the initial position. Accordingly, the valve is sustained in the initial position corresponding to the duty ratio of 50% although short-circuit or current isolation of a chip occurs. Therefore, air is supplied to an engine without mis-operation.
Patent KR-20010029045-A (KR)
Inventor: KANG PIL SEONG
IPC: H04B7/26
Filed: 1999-09-29
Abstract: PURPOSE: A method for supplying a dictionary service in a mobile communication system is provided to supply a dictionary service of character and voice information corresponding to a word, which is required by an MS(Mobile Station), so that the MS can receive dictionary information of an exact pronunciation and a meaning corresponding to the word even when the MS moves. CONSTITUTION: An MS(Mobile Station)(110) transmits an English dictionary service request message relating to an inputted English word to a BS(120). The BS(120) receives the message to transmit the message to a BSC(Base Station Controller)(130). The BSC(130) receives the message to transmit the message to a PCX(PCS exchange)(140). The PCX(140) retransmits the message to an English dictionary voice/character information server(150). The server(150) retrieves character information of a dictionary meaning of the English word, and transmits the retrieved character information with an English dictionary information answering message to the PCX(140). The PCX(140) performs an SMS(Short Message Service) messaging for the character information, and transmits the SMS messaging-performed character information to the BSC(130). The BSC(130) transmits an SMS message of the dictionary meaning. The MS(110) displays the SMS message.
Patent KR-20010029129-A (KR)
Inventor: JUN YEONG CHEOL
IPC: H04N7/18
Filed: 1999-09-29
Abstract: PURPOSE: A video processing unit for video communication is provided to generate an effect facing with the other party by using a stereo-scopic image technique. CONSTITUTION: The video processing unit for video communication comprises a corresponding point extraction portion(202), a distance information extraction portion(204), a three-dimensional mapping portion(206), and a two-dimensional video recovery portion(208). The corresponding point extraction portion(202) extracts a corresponding point of an image of a virtual camera from two images of two cameras. The distance information extraction portion(204) obtains a distance between the virtual camera and a subject. The three-dimensional mapping portion(206) maps the image generated from the virtual camera. The two-dimensional video recovery portion(208) obtains two-dimensional image information by using the mapping information.
Patent KR-20010035839-A (KR)
Inventor: JUN SEOK BAE
IPC: G11C11/407
Filed: 1999-10-04
Abstract: PURPOSE: A semiconductor memory device having a delay locked loop is provided which is capable of testing the entire part of the semiconductor memory device even in a test mode using a low-frequency test equipment. CONSTITUTION: A semiconductor memory device using an inner clock synchronized with an external clock includes a delay locked loop(12) for generating the inner clock that is phase-synchronized with a reference clock, a frequency multiplier(14) for M-multiplying the frequency of the external clock to generate a multiplied clock, and a selector(16) for selecting one of the external clock and the multiplied clock in response to a predetermined control signal to provide the reference clock. The control signal that is a signal generated inside the semiconductor memory device is enabled when the semiconductor memory device is introduced into a low-speed mode. The low-speed ode corresponds to a burn-in test mode.
Patent KR-20010036116-A (KR)
Inventor: JANG SEONG GI
IPC: F02B37/12
Filed: 1999-10-06
Abstract: PURPOSE: A turbo lag preventing device is provided to inhale and supply atmospheric air to the engine directly via a connection tube by opening a valve for opening and closing the connection tube in case of an initial engine starting or a sudden acceleration, thereby preventing the turbo lag phenomenon generated by the non-smooth rotation of a compressor and reducing the discharge of smog. CONSTITUTION: A turbo lag preventing device includes a connection tube(11) formed at a predetermined position of a suction distribution tube(10) of an engine to be communicated to the atmosphere, a valve(12) mounted at an outlet part of the connection tube to be opened and closed according to a pressure state in the suction distribution tube, and an elastic element(14) for connecting the connection tube to the valve and having a predetermined elasticity.
Patent KR-20010036430-A (KR)
Inventor: LEE SEUNG HA
IPC: H04M1/02
Filed: 1999-10-08
Abstract: PURPOSE: A telephone having a function for protecting a handset to be detached is provided to allow user to use more conveniently by constructing the handset not to be detached although a telephone is sloped or upset. CONSTITUTION: A handset(40) is provided with a receiving part(42) and transmitting part(44). A main body of telephone(50) is provided with a receiving housing part(52) where the receiving part(42) is duly reached, and a transmitting housing part(54) where the transmitting part(44) is duly reached. A hooking raised spot(43) is formed at an end of the receiving part(42), and a hooking projection is formed in the receiving housing part(52) to be hooked at the hooking raised spot(43). A hooking raised spot(45) is also formed at the transmitting part(44). A transmitting part in telephone main body(54) is provide with an elastic connecting slice(60) at which the above hooking raised spot(45) is hooked. The elastic connecting slice(60) is provided with a hook(62) that is sharply shaped to be hooked at the hooking raised spot(45).
Patent KR-20010037911-A (KR)
Inventor: KO YEONG IK
IPC: B42F1/08
Filed: 1999-10-20
Abstract: PURPOSE: A clip for fixing is provided which fixes a clip against binding materials to prevent loss and make combination or elimination done simply and also keeps one edge of the binding materials formed inwardly so that it improves external appearance. CONSTITUTION: The clip for fixing comprises the parts of: a boss(58) which contains several steps of step gap part(60,62,64); a guide member(66) wherein a block part(68), a first concave part(70), a hanging part(72) and a second concave part(74) are orderly placed; and a binding member(76) which contains a flange(78) to prevent the binding material from being moved, a penetration hole(80) to make the guide member movable, multiple holders(82) to include a suspension projection(84) for hanging step gaps and multiple rims(86) to include a suspension projection(88) for hanging the first concave part, the hanging part and the second concave part.
Patent KR-20000029403-A (KR)
Inventor: SHORE MICHAEL T
IPC: B21C47/14
Filed: 1999-10-29
Abstract: PURPOSE: An improved cooling pot is provided to be operated so the upper part of a coil formed in the pot as to be maintained a uniform height, and a controllable coil support unit is provided. CONSTITUTION: A cooling pot has an insulating side wall (30) opened the upper and the lower parts and arranged crosswise. A frame-formed base unit(32) opened the center is formed to support the port on a roller table. A pie-shaped lathe(34) is projected from the inside of the side wall. The inner end of the lathe(34) supports a vertically extended circular portion(36) of a central core(38). The core portion(36) is connected its upper part by a cap(40) and the core(38) limits a circular chamber(43) by locating on the center and by inwardly separating from the inside of the side wall (30). The lathe(34) is separated on a rim from the others and limits a close opening connected with a vertical slot between the core portion(36). A platform(50) maintains a falling distance of a ring uniformly by being descended gradually to maintain the rising upper part of the coil as an optimum level "L".
Patent KR-20010039453-A (KR)
Inventor: KANG DAE WOO
IPC: E21D9/00
Filed: 1999-10-30
Abstract: PURPOSE: A vibration and explosion control tunnel blasting method using an air tube is provided to decrease blasting vibration and explosion by dispersing blasting energy to surrounding bedrock inside loading holes, to heighten the fragmentation of bedrock by increasing the full pressure due to the expansion of the specific surface applying to the bedrock of a free surface during explosion, to reduce the formation of boulder and to control the initial vibration occurring around a cut maximally. CONSTITUTION: A vibration and explosion control tunnel blasting method using an air tube comprises the steps of forming burn holes, an enlarged burn hole, a floor hole, a ceiling hole by drilling horizontal or inclined holes on a face for tunnel excavation, forming loading holes by loading a delay detonator(4) and explosives(5) to the drilled holes, stemming the opening of the loading hole with a stemming material(9), then exploding the detonator by a blaster, wherein an air layer having an artificial free surface is formed by inserting air tubes(7) to the loading holes to increase the full pressure by enlarging the specific surface applying to the bedrock of a free surface(F) during explosion, so that the fragmentation of bedrock is heightened and the blasting vibration is decreased.