baber/WOPTO huggingface dataset:
Patent KR-20020003735-A (KR)
Title: Apparatus for start-current controlling of compressor
Inventor: LEE GAM GYU
IPC: F04B49/02
Filed: 2000-07-01
Abstract: PURPOSE: A start current control system of a compressor is provided to optimize a start current ad to start a compressor with a remarkably smaller amount of current by turning on switching units sequentially through time delay as long as a compressor is started. CONSTITUTION: A start current control system includes a power supply(21); a main control unit(23) deciding the driving of first/second compressors(30,40); a compressor driving unit(Rd) outputting signals for driving/stopping the compressors; a microcomputer(25) controlling an electric current for the compressors; a current limit unit(T) feeding the phase-controlled current to the compressors; a first switching unit(R1) deciding the driving of the current limit unit; a second switching unit(R2) deciding the time point for providing start/running capacitance to the first compressor; third/fourth switching unit(R3,R4) deciding the time point for providing start/running capacitance to the second compressor; first/second start support units(Cs1,Cs2) providing start capacitance; and first/second running support units(Cd1,Cd2) providing running capacitance. If overvoltage is fed, the main control unit sets the on time of the current limit unit shorter than in case of low voltage. Thereby, excess current does not flow to each coil(31,41) of the compressors.
Patent KR-20020004102-A (KR)
Title: Apparatus and the method for start-current controlling of compressor
Inventor: LEE GAM GYU
IPC: F04B49/02
Filed: 2000-07-01
Abstract: PURPOSE: A start current control system of a compressor is provided to lengthen the life span of a switching unit by applying a low voltage to a second switching contact through phase control of a start support unit. CONSTITUTION: A start current control system of a compressor consists of: a power supply(21) feeding power for starting a system; a main control unit(23) deciding the driving of a compressor(c) with controlling each unit for system driving; a compressor driving unit(25) driving the compressor according to control of the main control unit; a microcomputer(31) controlling an electric current for the compressor; a current limit unit(32) feeding phase-controlled current to the compressor; a first switching unit(33) deciding the driving of the current limit unit; a second switching unit(34) turned on/off at the beginning of starting the compressor; a start support unit(35) providing start capacitance by turning on the second switching unit; and a running support unit(36) supplying running capacitance by turning off the second switching unit. A low voltage is applied to the second switching contact through phase control of the start support unit. Thereby, the life span of the switching unit is lengthened.
Patent KR-20020004649-A (KR)
Title: Autodialing
Inventor: KIM KANG KOO
IPC: H04M1/00
Filed: 2000-07-06
Abstract: PURPOSE: An automatic dialing phone is provided so that a user can conveniently receive an interpretation service by simply pressing one button to pass through a service access and a password confirmation procedure. CONSTITUTION: A regulator(1) supplies power to operate an automatic dialing phone. A central processing unit(2) processes data. A read only memory(3) stores communication protocols for dialing and passwords. A read and memory(4) is also provided. A serial communication port(6) enables connection to a personal computer(5). An interface device(7) controls an input unit(8) and an output unit(9). When a signal is inputted from the input unit(7), it is transmitted to the central processing unit(2) through the interface device(7). The central processing unit(2) receiving the signal controls the read only memory(3) and the read and memory(4), and transmits information of the read only memory(3) and the read and memory(4) through the output unit(9). The output unit(9) is connected to a cellular phone through a cable, thereby starting dialing. The read and memory(4) stores passwords. Since the read and memory(4) can perform read and write operations through the personal computer(5), it can register or change the passwords.
Patent KR-20020006169-A (KR)
Inventor: HAN JU YEOL
IPC: H04B1/48
Filed: 2000-07-11
Abstract: PURPOSE: A wide band duplexer is provided to cover all the bands of a wide band phone with one duplexer. CONSTITUTION: A wide band duplexer is composed of RX(Receiving) 30MHz and TX(transmitting) 30MHz to cover the wide band of each service company. For example, the RX and TX frequency bands of company A are 30MHz respectively, a total of 60MHz. The RX and TX frequency bands of company B are 30MHz respectively, a total of 60MHz. Also the RX and TX frequency bands of company C are 30MHz respectively, a total of 60MHz. The sums of the RX and TX frequency bands of companies A. B and C are 180MHz respectively.
Patent KR-20020007853-A (KR)
Title: absolute humidity sensor and circuit for detecting temperature and humidity using the same
Inventor: LEE DON HUI
IPC: G01N27/18
Filed: 2000-07-19
Abstract: PURPOSE: An absolute humidity sensor and a temperature/humidity detection circuit using the same are provided to simplify the manufacturing of a small sized absolute humidity sensor by forming a space for introducing humidity via through holes formed in membrane films by etching. CONSTITUTION: An absolute humidity sensor includes a substrate(11) formed with a first and second through holes in a predetermined area, a membrane film(12-1) formed on the substrate, a humidity sensing element formed on the membrane film formed with the first through hole for sensing the humidity exposed to the atmosphere and having a resistance value variable according to a sensed humidity amount, and a compensation element formed on the membrane film formed with the second through hole for compensating the resistance value of the humidity sensing element, wherein the humidity sensing element and the compensation element are formed of resistors(13) formed on the membrane film, pads(14) formed on the membrane films and electrically connected to the resistors, and a protection film(15) formed on the whole surface of the resistors to cover the resistors.
Patent KR-20020010990-A (KR)
Title: Closed cell polyurethan form with enhanced insulating capability and method for a preparation of the same
Inventor: CHO HYEON GEUN
IPC: C08J9/04
Filed: 2000-07-31
Abstract: PURPOSE: Provided is a closed cell polyurethane foam having improved insulating performance, small cell size, and low heat-conductivity, which is produced from a composition containing perfluoroalkane(PFA) and an emulsifier. CONSTITUTION: The closed cell polyurethane foam having a cell size of 80-150 micrometer is produced from the composition comprising 100pts.wt. of polyol, 1-20pts.wt. of hydrocarbon as a foaming agent, 0.1-4.9pts.wt. of the PFA, 0.1-10pts.wt. of the emulsifier for stabilizing polyol premix, water, a catalyst, and 90-200pts.wt. of an organic polyisocyanate, wherein the hydrocarbon is cyclopentane or pentane.
Patent KR-20010050047-A (KR)
Inventor: ABE MASAAKI
IPC: B05D1/14
Filed: 2000-08-11
Abstract: PURPOSE: To make it possible to apply flocking and coating to a long-sized belt-like flat plate which is a grounded material to be coated (work) in a uniform state to both lateral edges by arranging slender grounding equipment and materials in parallel with both lateral edges of the flat plate so as to exist on both sides in a longitudinal direction of the work in the moving passage of the flat plate. CONSTITUTION: When an electrostatic flocking chamber or electrostatic coating application chamber (hereafter the housing) is constituted by locating the long-sized belt-like flat plate 2 as the work at a work arrangement point moving to face an electrode 1 arranged within the housing, the grounding equipment and materials 5 are arranged along the moving direction of the work 2 in parallel with both lateral edges in the longitudinal direction of the work 2 apart slightly outward from both lateral edges in the longitudinal direction of the work 2 existing at this point. As a result, the concentrating and flying of short fibers 4 imparted with electrical conductivity to side ends in the longitudinal direction of both lateral edges of the work 2 may be averted. Then, the occurrence of a flocking state showing a various density phenomenon may be prohibited at the side ends in the longitudinal direction of both lateral edges of the work 2.
Patent KR-20020021210-A (KR)
Title: Reverse gear change system of transmission for vehicle
Inventor: KIM GI BAEK
IPC: F16H3/60
Filed: 2000-09-14
Abstract: PURPOSE: A back shift system of a transmission for a vehicle is provided to stabilize quality and performance of the transmission and to prevent noise and vibration. CONSTITUTION: A back shifting system of a transmission in a vehicle comprises a planetary gear assembly(35) composed of a sun gear(31), a planetary gear(32), and a wheel gear(33); a dog gear(36) supporting the planetary gear assembly; a sleeve assembly(40) formed by a synchronize ring(37); an input shaft(41) fixing the sun gear; back gear(43) fixed on an output shaft(42) of the sun gear by being geared with the wheel gear; a planetary gear(32) inserted to an upper portion of the wheel gear; a hub(44) inserted to a hollow shaft mounted on the input shaft; a sleeve(45) fixing the planetary gear by being mounted on the hub; and a key(46) controlling the sleeve. Thereby, the back shifting system of the transmission in the vehicle prevents noise and vibration.
Patent KR-20000072765-A (KR)
Title: Vibration bolt and nut
Inventor: YEON JIN YONG
IPC: F16B39/00
Filed: 2000-09-20
Abstract: PURPOSE: A bolt and a nut are provided to efficiently prevent unfastening even with one connector by directly installing a device not unfastened by vibration to a body of one bolt and nut. CONSTITUTION: A bolt(11) and a nut(13) are used as a connector for fixing a material to be fixed. Herein, in connecting the material by using only the bolt, the bolt is axially rotated to be connected in a screw hole. The material is contacted with a point of a screw pitch(17) of the bolt. A groove(21) formed on an outer diameter circumference(19) of the screw pitch is connected while pushed to one side. The connected point of the screw pitch is mutually contacted by being elastically adhered to the outside. Thus, the release caused by vibration is prevented.
Patent KR-20020024616-A (KR)
Title: Apparatus for detecting vertical position of wafer transferring system adopting wet clean apparatus
Inventor: CHOI YEONG GEUN
IPC: H01L21/68
Filed: 2000-09-26
Abstract: PURPOSE: An apparatus for detecting a vertical position of a wafer transfer system used in a wet cleaning apparatus is provided to simplify a structure of a cleaning bath and to detect a vertical position of a wafer holding unit when a timing belt is damaged, by using a vertical position detection signal generating unit having a reflecting plate. CONSTITUTION: One end of the second pulley is installed in a vertical linear gear(22). A vertical motor generates rotation force for rotating the second pulley. The first pulley is rotated by the rotation of the vertical motor, connected to the rotation central axis of the vertical motor. The timing belt transfers the rotation force of the first pulley to the second pulley. The vertical position detection signal generating unit is installed in the timing belt, and rotates when the timing belt rotates. The vertical position detection signal generating unit receives incident light from the outside to generate an electrical signal, and amplifies the electrical signal to a predetermined level and outputs the amplified signal. A control unit receives the electrical signal of the predetermined level outputted from the vertical position detection signal generating unit, and calculates the number of rotating times of the timing belt to detect the vertical position of the wafer holding unit.
Patent KR-20010051141-A (KR)
Inventor: WINKLER GREGOR
IPC: H01M50/204
Filed: 2000-10-19
Abstract: PURPOSE: A rechargeable battery pack for mobile terminal with unique identification and reference time information is provided in a simple, cheap and effective way. CONSTITUTION: The rechargeable battery pack(1) for a mobile terminal of a wireless telecommunication system, with one or more battery cells(2), time reference means(3,4) for generating relative time reference information, e.g. comprising a frequency base providing a frequency signal and a counter means for converting the signal into counts, identification means(5) for providing unique identification information(ID) allocated to the battery pack(1), and interface means(6) for transmitting the unique identification information(ID) and the relative time reference information to a connected mobile terminal for updating real time information in the mobile terminal on the basis of the unique identification information(ID) and the relative time reference information.
Patent KR-20010000875-A (KR)
Inventor: JUNG JONG SIK
IPC: B01D35/16
Filed: 2000-10-25
Abstract: PURPOSE: A reverse wash filtering apparatus and its preparation method are provided, to filter the fine floating materials contained in the supernatant of a final precipitation tank and to reverse wash the impurities filtered at the filter layer, to improve the filtering efficiency. CONSTITUTION: The reverse wash filtering apparatus comprises a precipitation tank(1) where waste water is flown; a filter tank(2) where the supernatant of the precipitation tank(1) is flown; a filter layer(8a) which is placed inside of the filter tank(2) and where the supernatant is filtered with passing through from the lower part of the filter tank(2) to the upper part; an air spray pipe(11) which sprays air for detaching and removing the impurities adsorbed on the filter layer(8a); and a convey pipe(13) which circulates the waste water into the precipitation tank(1).
Patent KR-20020035982-A (KR)
Title: Method for forming gate of semiconductor device
Inventor: HWANG HYEON SANG
IPC: H01L21/336
Filed: 2000-11-07
Abstract: PURPOSE: A method for fabricating a gate of a semiconductor device is provided to improve a leakage current characteristic and to prevent mobility from decreasing, by forming the gate including a high dielectric metal oxide layer. CONSTITUTION: A SiO2 insulation layer is formed on a silicon substrate(100). A heat treatment process is performed regarding the SiO2 insulation layer in an atmosphere of NH3 to form a nitrogen-added silicon oxide layer(115). A metal layer is deposited on the nitrogen-added silicon oxide layer. A heat treatment process is performed regarding the metal layer.
Patent KR-20010008116-A (KR)
Inventor: BAEK YEONG SUN
IPC: C09K5/00
Filed: 2000-11-09
Abstract: PURPOSE: An absorbing solution capable of operating air cooling and water cooling absorption refrigerators in a wide range of an operation because of having excellent absorption performance and low crystallization temperature as compared to an LiBr/H2O solution is provided, which can improve performance of an absorption type air conditioner and enables an air cooling absorption type air conditioner difficult to put to practical use with the LiBr/H2O solution to be stably operated. CONSTITUTION: The absorbing solution for absorption type air conditioner comprises 0.00 to 0.22% by weight of LiCl, 0.00 to 0.16% by weight of 0.00 to 0.16 of LiNO3 and 0.10 to 0.28% by weight of ethylene glycol, wherein a ratio of LiBr : LiNO3 : LiCl is 5 : 1 : 2 and a mass ratio of LiBr : LiNO3 : LiCl : ethylene glycol based on 1kg LiBr is 1 : 0.11 : 0.14 : 0.15. The temperature of a solution at an outlet of an absorber is less than 50deg.C and a temperature difference to cooling water becomes larger such that it is possible to reduce the heat exchange area of the absorption type air conditioner and volume of the absorber.
Patent KR-20020037613-A (KR)
Title: 3fa wideband frequency down converter in imt-2000 bts system
Inventor: SONG JAE GWAN
IPC: H04W88/08
Filed: 2000-11-15
Abstract: PURPOSE: A 3FA wideband down converter in an IMT(International Mobile Telecommunication)-2000 BTS(Base Transceiver Station) is provided to increase CDMA receiving capacity at two times without additionally increasing a BTS by embodying a down converter capable of being applied to an IMT-2000 system as one module. CONSTITUTION: The first and second amplifiers(100,200) receive a wideband(3FA) RF(Radio Frequency) signal from a front end unit(1) and amplify the received wideband(3FA) RF signal. A band pass filter(300) receives the wideband(3FA) RF signal from the second amplifier(200) and filters a noise except for an original signal. A mixer(400) mixes the wideband(3FA) RF signal outputted from the band pass filter(300) with a local frequency and outputs a wideband(3FA) IF(Intermediate Frequency) signal. A tuning attenuator(500) receives the wideband(3FA) IF signal and adjusts the cell coverage of the wideband(3FA) IF signal. A low pass filter(600) receives wideband(3FA) IF signal from the tuning attenuator(500) and removes a higher noise. The third and fourth amplifiers(700,800) receive the wideband(3FA) IF signal from the low pass filter(600). A channel band pass filter(900) receives the wideband(3FA) IF signal from the fourth amplifier(800) and removes a noise of carrier both sides. A coupler(1000) receives the wideband(3FA) IF signal from the channel band pass filter(900) and divides the received wideband(3FA) IF signal into two paths(a,b). An A/D converter(1100) receives the wideband(3FA) IF signal from the output terminal(a) of the coupler(1000), converts the received wideband(3FA) IF signal into a digital signal, and divides the converted digital signal according to frequency bands(FA0,FA1,FA2). A digital down converter(1200) receives the three narrow band(FA0,FA1,FA2) IF signal from the A/D converter(1100), performs a digital filtering operation, performs a QPSK demodulation, and outputs the demodulated signal to a channel card(2).
Patent KR-20020037979-A (KR)
Inventor: BAEK GI HO
IPC: G03F7/039
Filed: 2000-11-16
Abstract: PURPOSE: Provided are a photoresist polymer for a resist flow process and a photoresist composition containing the photoresist polymer, by which the contact hole pattern with less than 100nm is obtained uniformly. CONSTITUTION: The photoresist polymer is represented by the formula 1 and the photoresist composition contains the photoresist polymer represented by the formula 1, a photoacid generator, an organic solvent, and additionally a polymer represented by the formula 2, wherein R1, R2, R7, and R8 are hydrogen or methyl, R3, R4, R6, and R9-R13 are hydrogen or substituted or unsubstituted C1-C10 straight or branched alkyl, R5 is an acid labile protecting group, n is an integer of 1-5, and a:b:c is 0-70:10-70:0-20mol%. The photoresist polymer represented by the formula 1 is poly{4-£2-(hydroxyphenyl)propyl|phenyl methacrylate/t-butyl acrylate/styrene}.
Patent KR-20020039892-A (KR)
Title: Method and System for financial transaction involving services granting incentives for promotion on internet
Inventor: PARK JIN KOOK
Filed: 2000-11-22
Abstract: PURPOSE: A method and system for a financial transaction is provided to enable a user registered in a server to supply a small money to persons including one's recommender as publicizing reward on the Internet and enable the user to receive publicizing reward from the recommended person in case that the recommended person is registered to the server as a member. CONSTITUTION: A user connects to a server(101). The user inputs personal information and the user registers as a member by embodying one's ID and password(102). The server checks whether a person who recommends a registration is existed or not(103). If a recommender is existed, a screen for displaying an ID of the recommender and an account is displayed on a browser. If the recommender is a registered member, the server searches the upper group including the recommender from a database(104). If the user pays publicizing reward using a payment unit on the Internet(105), the server distributes the publicizing reward to the members of the upper group(106,107). If a recommender is not existed, the upper group of the user is decided in accordance with a series of order of members who participated in a financial transaction(108), and the publicizing reward is distributed to the members of the upper group(107).
Patent KR-20020043297-A (KR)
Title: reverse noise restrict system
Inventor: CHO DONG RYONG
IPC: F16D23/06
Filed: 2000-12-01
Abstract: PURPOSE: A reverse noise preventing device of a vehicle is provided to effectively prevent the noise occurring when reverse shifting is performed by forming a key combining unit and an elastic member and to reduce the number of parts by excluding a plate, a reverse brake cone and a synchronizer ring. CONSTITUTION: A reverse noise preventing device of a vehicle uses a five-speed synchronizer(21). The five-speed synchronizer includes a hub(25) combined to an input shaft(23), keys(29) installed on the outer face of the hub and supported of springs(27), and a synchronizer sleeve(31) combined to the outer face of the hub and rotating with the hub. When reverse shifting is performed, a five-speed output gear(35) combined to an output shaft and a clutch gear(37) combined to the output gear are kept in the stop state. To stop the input shaft, a key combining unit and an elastic member(39) are prepared. The key combining unit is formed on the key to stop the input shaft while synchronizing to a clutch gear(37) stopped by the repulsive force in the direction of the input shaft. The elastic member consists of upper and lower support units. According to the synchronization of a synchronizer ring(33) with the clutch gear, the gear noise is avoided.
Patent KR-20020046365-A (KR)
Title: Method and system for e-learning by using distributed network system
Inventor: HONG JONG CHEOL
IPC: G06Q50/20
Filed: 2000-12-13
Abstract: PURPOSE: A method and a system for supplying a remote extra curriculum using a distributed network system are provided to embody a real time interactive discussion and learning, and an interactive real time file transmission by performing a remote extra curriculum learning between a lecturer and a learner using a distributed network system without a relay of an intermediate router and a server between a lecturer PC and a learner PC. CONSTITUTION: An interface device(18) supports a communication on a distributed network and a TCP/IP network. A knowledge search engine(22) searches a file in a client(lecturer, student) PC(or server) being connected to the distributed network. A file sharing server(24) manages files being shared in the distributed network and shares/controls a file searched between the client(lecturer, student) PCs(or server) interactively. A remote extra curriculum group server(28) includes a component for performing a remote extra curriculum learning in the distributed network. An IP detector(25) checks an IP address and a port number of the client(lecturer, student) PC(or server) connected to the remote extra curriculum group server(28). An IM server(27) supports a mutual communication with the client(lecturer, student) PC(or server).
Patent KR-20020049760-A (KR)
Title: White poromeric polyester laminated film as a substitute for paper
Inventor: LEE GWAN HYEONG
IPC: B32B27/36
Filed: 2000-12-20
Abstract: PURPOSE: A white porous polyester multi layer film in place of paper is provided to promote white degree and suppression property thereof as well as the sense of touch, and to improve the fitness for printing. CONSTITUTION: The white porous polyester multi layer film in place of paper is composed of a polyester resin layer(A) formed by adding at least one material selected among inorganic particles, a fluorescent white degree increasing agent, and other various additives; and another polyester resin layer(B) containing spherical glass beads of 1 to 25 wt% having an average particle size between 1 and 20 micrometers. A thickness ratio of A to B is in a range of 0.01 to 0.2.