baber/WOPTO huggingface dataset:
Patent KR-20010020770-A (KR)
Title: Nand type nonvolatile memory
Inventor: KAWAMURA SHOICHI
IPC: G11C16/34
Filed: 2000-04-21
Abstract: PURPOSE: An NAND type non-volatile memory is provided to perform surely verifying operation at the erasing/verifying time in an NAND type non-volatile memory whose threshold voltage is negative in an erasing state. CONSTITUTION: The memory has a constant current source connected to a bit line to which a memory cell MC is connected, a sense amplifier section having a detecting transistor(N8) detecting a potential of the connection point, the first reference potential ARVss being opposite side of a bit line of a memory cell, and the second reference potential PBVss to which a source of the transistor is connected. At the erasion/verifying time, ARVss and PBVss are controlled at the prescribed positive potential. The control gate level of a memory cell can be made into a negative level being equivalently a erasion/verifying level by controlling ARVss at a positive potential, further, equivalent threshold voltage of the transistor can be higher, or an equivalent trip level of a detecting inverter can be higher by controlling PBVss at a positive potential, and a detecting transistor can be made surely non-conduction at the time of erasion/verifying.
Patent KR-20000054043-A (KR)
Inventor: LEE CHIL SUNG
IPC: B01D33/06
Filed: 2000-05-19
Abstract: PURPOSE: A filtering system utilizing a drum filter is provided to minimize pollution of filter medium and achieve an improved quality of filtered water while employing a natural filtering method by a differential head together with a filtering method where particles attached to a filter cloth form a new film so as to remove further micro particles. CONSTITUTION: A system comprises a drum(4) arranged within a tank(1) and which has an end blocked by a metal plate and the other end open, an inlet reservoir(3) arranged within the tank(1) and which is connected to the open end of the drum(4), an inlet pipe(2) for inflow of raw water, a filtering cloth(5) attached to a metallic mesh of the drum(4), a drum driving axis(6) installed in a center of the metal plate of the drum(4), a drum rotation motor(7) installed outside the tank(1) so as to drive the axis(6), a door(8) installed between both walls of the tank(1) and the drum(4) so as to control water level, a hopper(10) installed within the drum(4) for eliminating solids, a solid outlet(9) connected to the hopper(10), air nozzle(11) and water nozzle(18) installed between the drum(4) and the tank(1) for eliminating solids attached to the cloth(5), a pump(12) installed outside the tank(1) for injection of high pressure air and water, outlets(14,15) for discharging the filtered water, an outlet(16) arranged at a lower end of the tank(1) for discharge water from the tank(1), an air exhaust(17) for discharging air from the tank(1), and a rubber packing(13) for preventing leakage at a portion connecting the axis(6) and the tank(1).
Patent KR-20010108774-A (KR)
Inventor: JUNG JONG CHEOL
Filed: 2000-05-31
Abstract: 본 발명은 교환기에서의 시간대별 사업자 선택 방법에 관한 것으로, 운용자 터미널을 이용하여 발신 단말기에 대한 시간대별 사업자 선택 기능 및 해당 시간대에 제일 저렴한 사업자 정보 등을 데이터베이스 내 시간대별 사업자 선택기능 테이블에 등록한다. 등록된 상태에서, 발신 단말기로부터 다이얼링된 착신 단말기의 전화번호를 번호번역하고, 번호번역에 따른 루트(route) 번호를 구한 후, 발신 단말기가 시간대별 사업자 선택 기능이 등록되어 있는지를 체크하여 등록되어 있으면, 착신 단말기로 라우팅을 요구한다. 이와 같은 라우팅 요구에 따라 현재 요일 및 시간에 해당되는 사업자 정보를 판단하여 제일 저렴한 사업자 정보이면, 시간대별 사업자 선택기능 테이블을 검색하여 해당 시간대에 제일 저렴한 사업자 정보를 추출하고, 추출된 해당 사업자에 맞게 디지트를 변환하고, 변환된 디지트를 이용하여 착신 단말기로 호 접속을 수행한다. 따라서, 보다 저렴한 가격으로 전화를 할 수 있는 효과가 있다.
Patent KR-20010108989-A (KR)
Inventor: HAN SEUNG GYU
IPC: H01L21/02
Filed: 2000-06-01
Abstract: 본 발명은 전하 저장 용량을 증대시키면서도 누설 전류를 방지할 수 있는 반도체 메모리 소자의 캐패시터 제조방법을 개시한다. 
     개시된 본 발명은 폴리 실리콘막 및 비정질 실리콘막으로 하부전극을 형성하는 단계; 상기 하부전극 상에 박막의 질화막을 형성하는 단계; 상기 질화막 상부에 고유전률을 갖는 비정질 TaON 박막을 증착하는 단계; 상기 비정질 TaON 박막을 고온 열처리 하여 결정화시키는 단계; 및 결정화된 TaON박막 상에 상부 전극으로 TiON막/도핑된 실리콘막의 적층구조로 형성하는 단계를 포함하여 구성하는 것을 특징으로 한다.
Patent KR-20010087098-A (KR)
Title: An unifying server management system and a server managing method on the network
Inventor: BAE TAE HWA
IPC: H04L12/24
Filed: 2000-06-20
Abstract: PURPOSE: A system and method for managing an integrated server is provided to decrease a mistake by a system management of a beginner by integratively managing various services provided from a server. CONSTITUTION: A security management module(610) constructs a fire wall for preventing the invasion of an invader. A service management module(620) changes a plurality of web service information and manages a plurality of services provided from to a user by changed information. A data compression module(630) compresses information collected by the service management module(620). A data storing module(640) stores information compressed by the data compression module(630) in a hard disk or a flash memory(800). A data decompression module(650) decompresses information compressed by the data compression module(630).
Patent KR-20020003588-A (KR)
Title: tire tread for truck & bus
Inventor: LEE GYEONG NAM
IPC: B60C11/00
Filed: 2000-06-21
Abstract: PURPOSE: A tire tread for a truck is provided to improve the endurance of a tire, and to brake efficiently by preventing sudden increase of cross linking with the double structure of the tread. CONSTITUTION: A tread of a tire is composed of an inner layer(2) not contacted to the ground, and a surface layer(1) contacted to the ground. The surface layer is manufactured with rubber composition including accelerant of 0.9-1.2wt% and sulfur of 1.5-1.8wt% to raw rubber of 100wt%. The inner layer is manufactured with rubber composition including accelerant of 0.2-0.5wt% more than the accelerant of the surface layer and sulfur of 0.2-0.4wt% less than the sulfur of the surface layer. The tread of the tire is formed with increasing or decreasing contents of accelerant and sulfur among rubber composition. Cure speed is improved with increasing the accelerant amount of the inner layer, and cross linkage of the inner layer is similar to the cross linkage of the surface layer with increasing the amount of reaction to sulfur. The braking performance and the endurance are improved with preventing sudden increase of cross-linking.
Patent KR-20010015267-A (KR)
Inventor: KOO CHANG HOE
IPC: H04W52/18
Filed: 2000-07-10
Abstract: PURPOSE: A backward common channel communication apparatus and method in a mobile communication system are provided to improve transmission performance of the common channel when a base station and a mobile communicate with each other through the common channel and to designate the base station to exclusively use the common channel of a specific mobile. CONSTITUTION: In case where a base station exclusively uses a backward common channel to transmit messages, when there is generated a message to which the base station must respond through the backward common channel, the backward common channel for receiving the response message as a dedicated channel. The base station generates dedicated channel designation parameters including information on the dedicated backward common channel and operation time, and then transmits the parameters together with messages. The base station receives the response message sent through the dedicated backward common channel.
Patent KR-20020008947-A (KR)
Title: Manufacturing method for metal line in semiconductor device
Inventor: KIM YEONG SU
IPC: H01L21/28
Filed: 2000-07-21
Abstract: PURPOSE: A metal interconnection formation method is provided to reduce a contact resistance and a leakage current by removing a first barrier metal film after forming a silicide and forming a second barrier metal film. CONSTITUTION: An interlayer dielectric(2) is deposited on a semiconductor substrate(1) and selectively etched so as to form a contact hole. A first barrier metal film made of a titanium and a titanium nitride is then formed on the resultant structure. A silicide(4) is formed on the exposed substrate(1) by annealing the first barrier metal film in N2 gas atmosphere. Then, the remained first barrier metal film is entirely removed and a second barrier metal film(5) is formed on the resultant structure. A metal interconnection(6) is then formed on the second barrier metal film(5).
Patent KR-20000063595-A (KR)
Inventor: AN TEA YOUNG
IPC: C02F1/52
Filed: 2000-07-25
Abstract: PURPOSE: A wastewater treatment method using chemicals as oxidant is provided which is characterized in that organic materials, nitrogen, and phosphate are removed efficiently. CONSTITUTION: Wastewater flows from reservoir to an anoxic tank, and is treated firstly by flocculation and sedimentation, and is finally treated by passing through aerobic tank and secondary sedimentation tank. An anoxic tank is equipped with a chemical injecting port(1) that injects by using a chemical pump(3). Chemicals comprises 2-10wt% of KMnO4, 0.01-0.06wt% of Ca(OH)2, and 10-50wt% of FeSO4 and a mixing device(4) for accelerating chemical reaction by mixing wastewater and chemicals. A reaction time in the anoxic tank is suitable for 1.5-3hr.
Patent KR-20020010820-A (KR)
Title: Apparatus for cleaning wafer and mehtod of removing particle using the same
Inventor: KIM UI SIK
IPC: H01L21/304
Filed: 2000-07-31
Abstract: PURPOSE: An apparatus for cleaning a wafer is provided to prevent an unnecessary loss of a device and a scratch on the wafer, by using an electrical mutual action between particles and the wafer to prevent the particles adhered to the wafer. CONSTITUTION: A neutral gas spray unit sprays neutral gas to physically eliminate the particles on the wafer. A positive ion emission unit emits positive ions to separate the particles from the surface of the wafer, mounted in one side of the neutral gas spray unit. A negative ion emission unit emits negative ions to separate the particles from the surface of the wafer, mounted in the other side of the neutral gas spray unit.
Patent KR-20020014400-A (KR)
Title: Device for fixing the power lenz of monitor
Inventor: KWAK SANG GON
IPC: G06F1/16
Filed: 2000-08-18
Abstract: PURPOSE: A device for fixing a power lens for a monitor is provided to improve the convenience in the work for assembling and disassembling a power lens and a power button by fixing the power lens employing a hook unit instead of a bonding unit. CONSTITUTION: An insertion hole in which a power button(120) and a power lens(130) are installed is formed at the lower portion of a front cover for a monitor. An insertion recess(121) fitted with a fixing ledge(131) of the power lens is formed at the rear portion of the power button. The power button installed in the insertion hole of the front cover is slidable. Upon inserting the power lens to the insertion recess of the power button, the power lens slides into the insertion recess along a guide groove on the insertion recess. Then, the fixing ledge is fixed on a fixing protrusion(20) on the inner face of the power button after sliding along the insertion recess.
Patent KR-20010077848-A (KR)
Inventor: FURUOKA HIROYOSHI
IPC: H02B1/30
Filed: 2000-08-19
Abstract: PURPOSE: To provide a plane handle device, in which there is no breaking accident of an operating projecting piece and the material cost of a clamp plate can be reduced and lightened and which can cope even with the change of left-right usability accurately. CONSTITUTION: The clamp plate 10 is divided and constituted into a main-body plate member 13 and a cam plate member 14, the shaft hole 17 of the second pivot shaft 18 and the passive hole 12 of the operating projecting piece 4 are formed to the cam plate member 14, the plate thickness of the cam plate member 14 is set in thickness concealing approximately the overall length of the operating projecting piece 4, and the interior wall surface of the passive hole 12, against which the side face section of the operating projecting piece 4 is abutted, is formed so that a contact with the operating projecting piece 4 is brought to a surface contact state. A stopper projection 16 preventing the floating of the main-body plate member 13 is installed to the intermediate section of the external side face of the cam plate member 14, and the cam plate member 14 is trend upside down and fitted into the main-body plate member 13 in response to the change of the left-right usability of the clamp plate 10.
Patent KR-20020019647-A (KR)
Title: Service for method of laundry using internet
Inventor: JUN YOUNG JIN
IPC: G06Q30/06
Filed: 2000-09-06
Abstract: PURPOSE: A laundry service method is provided to integrate and manage laundry-associated affiliated shops connected with a main system through an on-line network and to establish a laundry service site on the Internet. CONSTITUTION: A management enterprise recruits affiliated shops and connects them with a main system(10) through a network. The management enterprise establishes a service site(20) in order to receive a client's laundry service request on the Internet. If a user system(30) accesses the service site(20) through the Internet and requests laundry service, the main system(10) analyzes information inputted from the user system(30) and executes the user system's desired service. If the main system(10) executes data processing for the input information and transmits it to the nearest laundry shop system(40), the laundry shop visits the user of the user system(30) and carries out the requested laundry service.
Patent KR-20020020527-A (KR)
Title: Method and its System for Advertisement Through Screen Keyboard
Inventor: YEUN EUNG JOON
Filed: 2000-09-09
Abstract: PURPOSE: An advertising method and system using a screen keyboard is provided to increase the effectiveness of an advertisement by distributing a screen keyboard into which the Internet advertisement is inserted in the form of a sale-promotion material, and by executing the Internet advertisement to users using the screen keyboard. CONSTITUTION: A user who wants to receive a screen keyboard through the Internet executes an Internet connection client program and connects to the Internet. After that, the user inputs a domain address of a web site capable of providing the screen keyboard(S11). A web server of a web site operator unit loads homepages and outputs the homepages to a screen(S12). In case that the user selects a log-in of the web page, the web server outputs a log-in message to the screen. In addition, the server judges whether the user is a member(S13). In case that the user isn't a member, information inputted from the user is stored in a member information database(S14). In case that the user is the member, it is judged whether a determined menu icon is selected by the user. In case that a screen keyboard downloading service is selected, lists stored in a screen keyboard database are outputted(S15). The downloading service is executed(S16). The user installs a screen keyboard program downloaded(S17). The user executes the program and receives services(S18).
Patent KR-20020025390-A (KR)
Title: Electrolytic purification system
Inventor: LEE HWAN SIN
IPC: C02F1/461
Filed: 2000-09-28
Abstract: PURPOSE: Provided is an electrolytic purification system for wastewater treatment, which is characterized in that an electrolysis tank, a coagulation tank, and a sedimentation tank are installed vertically. So wastewater flows down naturally by gravitation. Also, wastewater is diluted to prevent shock load of organics. And aluminum alloy is used as electrolysis cell for maximizing efficiency. Electrolysis cell is washed by air and washing solution for extending cell's life. CONSTITUTION: The system comprises the following parts: a reservoir(100) for diluting wastewater; an electrolysis tank(120) for treating wastewater by electrolytic process; an air pump(110) for aerating the reservoir(100) and supplying air to the electrolysis tank(120) as washing air; a coagulation tank(130); a sedimentation tank(140) for settling sludge; a dehydrator(150) for dehydrating settled sludge; several pumps(170-174) for transporting wastewater; several electric valves(160-168); and a controller(200). The electrolysis tank(120) is composed of the following parts: several electrolysis cells; a nozzle for supplying washing air; a pipe for supplying washing solution; and a pump for mixing wastewater. Supernatant of the sedimentation tank(140) is used as cell washing solution.
Patent KR-20000072810-A (KR)
Inventor: KIM YEONG GYUN
IPC: A47J37/00
Filed: 2000-09-29
Abstract: PURPOSE: A heating vessel using far-infrared radiant ceramic is provided which can not only use permanently, but heat and cook food using far-infrared radiant as an effective and direct heating source. CONSTITUTION: A heating vessel comprises a body of the heating vessel containing a center hole(70), a space part(100) for retaining contaminant on both sides of the center hole and a supporting packing(120) to control height in the lower side of the space part; a vessel prop(50) having four projections(40) and including a vessel(30) containing the far-infrared radiant ceramic charcoal(20) to take up foreign heat; and a roasting plate(90) having many holes(70) and handles(60) on the both sides, and placed on the top of the vessel prop to be received on the body of the heating vessel.
Patent KR-20020028513-A (KR)
Title: assembling structure of air-bag module for driver
Inventor: KWAK JIN UK
IPC: B60R21/201
Filed: 2000-10-10
Abstract: PURPOSE: An airbag module assembly structure for a driver's seat is provided to couple hardly an airbag module without requiring a riveting works, and to reduce a number of parts and cost of products by forming integrally a base plate and a cover retainer for mounting the airbag and by assembling directly in a snap fit structure. CONSTITUTION: An airbag module including an inflater and an airbag cushion is assembled at a steering wheel of a driver's seat. The airbag module is mounted at a center of a base plate(10) formed integrally with a cover retainer. An outer shell of the base plate(10) is coupled at double snap hooks((31,33) arranged against to an airbag cover(30). A coupling end(13) is formed at the outer shell of the base plate(10) through a slot(11) through passed in longitudinal direction which the snap hooks(31,33) are placed. The snap hook(31,33) is composed of an outer hook(31) having a projection for fixing and an inner hook(33) having the projection for fixing.
Patent KR-20020030389-A (KR)
Inventor: KIM WON JIN
IPC: G01M7/08
Filed: 2000-10-17
Abstract: PURPOSE: A high impact drop tester is provided to execute high impact test by dispersing weight thereof. CONSTITUTION: A tester comprises a bottom board(10); rails(14); a fall guiding plate(18); a lift(22); a locking device; a screw(16) and a motor(44). The bottom board has impact tips(12) thereon. The rails are vertically installed on the bottom board. The fall guiding plate is slipped to be engaged with the rails. The lift is installed around the fall guiding plate. The locking device is installed on the lift to lock or release the fall guiding plate. The screw is vertically installed to an outer side of the lift by screw. The motor is installed on a lower end of the screw. Impact is evenly transmitted all over a tested object freely falling.
Patent KR-20020032194-A (KR)
Title: a
Inventor: CHAE TAE BYEONG
IPC: H04L7/04
Filed: 2000-10-26
Abstract: PURPOSE: A digital phase locked loop by a measurement of a phase error is disclosed to provide a reference time of an artificial satellite by compensating for an error and a noise of an IPPS signal from a GPS receiver. CONSTITUTION: The digital phase locked loop synchronizes a GPS 1PPS signal with a UTC. A phase error detector(21) calculates an error between a GPS 1PPS signal and internal 1Hz of a processor according to a reference signal. A software filter(22) reduces jitter amount of a compensated 1PPS signal which is provided to a DPLL based on the error calculated by the phase error detector(21) using a digital filter method. An error compensator(23) compensates for the 1PPS signal by the error compensated by the software filter(22) and provided the compensated IPPS signal to an input terminal of a DPLL.
Patent KR-20020033345-A (KR)
Inventor: KIM SEUNG CHEOL
IPC: H04M1/26
Filed: 2000-10-30
Abstract: PURPOSE: A prepayment call telephone is provided to transmit a card number after confirming the card number by previously storing the card number for a prepayment call according to the guidance of a character message, skip the character message, and display only the stored card number. CONSTITUTION: A button unit(2-5) comprises a memory button(21) for performing a command for storing button numbers, a direct button(22) for commanding a prepayment call, and a stop button(23) for skipping commands of buttons during a setting time. A microcomputer(24) has a program for storing numbers inputted by a number button(25) according to a guidance display sentence when driving the memory button(21) and storing the stored numbers. The numbers are skipped during a time in which a guidance sentence is displayed when using the direct button(22) for confirming whether it is abnormal in a state in which the stored numbers are successively displayed and performing a telephone conversation.
Patent KR-20010016133-A (KR)
Title: A smelling toy
Inventor: CHOI JUNG HO
IPC: A63H3/00
Filed: 2000-11-10
Abstract: PURPOSE: Provided is an aromatic doll which has a decorating function and an aroma incensing function with including an aroma incensing device. CONSTITUTION: An aromatic doll(100) has incensing nonwoven fabric(200) containing aroma particles. The aromatic doll comprises: an aroma incensing device; a switch operating the aroma incensing device according to an operating signal by a user; a motor driven by the operation of the switch; a fan rotated by the motor; an aroma pathway to blow the air to outside; and a case having an air pathway to induce the aroma by passing the aroma pathway. The operating switch is placed near the doll hand and the incensing device is included in the head to spray the aroma through the nose of the doll, or included in the abdomen to spray the aroma through the abdomen.
Patent KR-20020040492-A (KR)
Title: A blade of a disintegrator
Inventor: BEOM HYUN CHEOL
IPC: B02C18/16
Filed: 2000-11-24
Abstract: PURPOSE: A crusher blade is provided to increase a cutting efficiency by optimizing the contact angle between a rotational blade and a stationary blade to minimize resistance. CONSTITUTION: In the crusher having a body(10), a hopper(11) provided in upper portion of the body, a cutting blade provided in the body and driven by a driving motor, a screen(12) installed in bottom part for discharging smashed synthetic resins and, a discharging screw(13) for discharging the smashed materials carried though the screen(12), the crusher blade consists of stationary blades(29a,29b) mounted in both sides of the body(10) and rotational blades(25a,25b,25c), wherein the stationary blades are mounted to make an acute angle with a line which connects the positions of the both blades and an axle so that the angle of the rotational blades(25a,25b,25c) is in the range of 86 to 96degrees.
Patent KR-20020041914-A (KR)
Title: Sticking Prevention System of Turbo Charger Bearing by Time Control for Engine Output Increane
Inventor: KIM YONG UK
IPC: F16C41/02
Filed: 2000-11-29
Abstract: PURPOSE: A bearing burning and sticking prevention system is provided to reduce fuel consumption by stopping the turbo-charger in a shortest time period when an engine is turned off to park an automobile. CONSTITUTION: A turbine housing(5) includes an exhaust gas inlet(1) for taking an exhaust gas, an exhaust gas outlet(2) for discharging the exhaust gas taken by the exhaust gas inlet, an intake air inlet(3) for introduction of outdoor air, and an intake air outlet(4) for sending the intake air to a cylinder of an engine. A shaft(7) being supported by a bearing(6), and a turbine wheel(8a) and a compressor wheel(8b) connected to the shaft are arranged within the turbine housing. An oil feed port(9) for feeding oil to the bearing supporting the shaft, and an oil return port(10) are communicated with each other. The bearing is connected with a cable which is connected to a contact(12) of a starting switch(11). A solenoid valve(13) of the oil return port is connected to a timer(14).