baber/WOPTO huggingface dataset:
Patent KR-20030010226-A (KR)
Title: A method and an apparatus for prepararing titania particle
Inventor: KIM GI DO
IPC: B82B3/00
Filed: 2001-07-26
Abstract: PURPOSE: A method and an apparatus for fabricating titania nanoparticles are provided to control particle size of titanium oxide in a nano unit. CONSTITUTION: The method for fabricating titania nanoparticles comprises first step of adding vaporized water/alcohol solution(4) and, a precursor, titanium alkoxide/alcohol solution into a reactor(1) in certain flow rates respectively so that nucleation is performed in the reactor; and a second step of transferring the obtained mixed solution into an aging tube so that nuclei produced in the reactor are grown. The apparatus for fabricating titania nanoparticles comprises a vaporization and inflow mean for flowing the vaporized solution into the reactor in certain flow rates by vaporizing water/alcohol solution; an inflow means for introducing titanium alkoxide/alcohol solution(6) into the reactor in certain flow rates respectively; an aging tube which is connected to the reactor so that a mixed solution of the two solutions is introduced into the aging tube; and a control means for controlling the mixed solution so that flow of the mixed solution in the aging tube is cut to a plurality of flows with being spaced apart from each other in a certain distance.
Patent KR-20030010338-A (KR)
Title: Apparatus for wafer etching with xenon difluoride
Inventor: PARK MAN KUM
IPC: H01L21/302
Filed: 2001-07-26
Abstract: PURPOSE: A wafer etch apparatus using XeF2 is provided to control correctly the amount of XeF2 gas implanted into an etch chamber without using nitrogen gas. CONSTITUTION: A loading chamber(100) is used for loading XeF2. An expansion chamber(200) is used for collecting sublimate gas of XeF2. An etch chamber(300) is used for performing an etch process. The first pipe arrangement(400) is used for connecting the loading chamber(100) with the expansion chamber(200). An automatic control valve(500) is installed at the first pipe arrangement(400). Pressure gauges(110,210) are installed at the loading chamber(100) and the expansion chamber(200), respectively. The pressure gauges(110,210) are used for measuring pressures of the loading chamber(100) and the expansion chamber(200). The second pipe arrangement(410) is used for connecting the expansion chamber(200) with the etch chamber(300). A switching valve(610) and an orifice tube(620) are installed at the second pipe arrangement(410). The second pipe arrangement(410) is branched into two branch tubes(410a,410b).
Patent KR-20010098990-A (KR)
Title: 합성수지재 소화장치
Inventor: RYU CHE WON
IPC: A62C3/02
Filed: 2001-07-30
Abstract: 본 발명은 산불 또는 각종화재를 조기 진압하기 위한 소화장치를 구성함에 있어서 압축분말 소화용기를 합성수지재 등으로 구성하여 산불화재 시에는 일반헬기를 이용하여 미리 적재하여둔 창고로 이동하여 그물자루에 넣어 적재되어있는 본 소화장치를 헬기에 로프 등으로 연결하여 화재현장으로 이동, 현장 상공에서 직접 투하하면 낙화되던 본 소화장치에 부착한 열감지 장치가 열기를 감지, 폭발 작동하여 압축된 분말 소화약재가 공중 또는 지면에서 살포되어 화재를 진압하거나 도심 등 건물화재 시에는 이륜차 또는 경차를 이용하여 다수의 본 소화장치를 탑재, 신속히 화재현장으로 이동하여 아직은 국지적인 화재현장에 인력으로 이동, 투하함으로 초기에 화재를 진압을 특징으로 한다.
Patent KR-20020012499-A (KR)
Inventor: ITO TAKAYUKI
IPC: H01H3/12
Filed: 2001-08-02
Abstract: PURPOSE: A keyswitch having a keytop which is movable upward and downward and method of assembling same are provided to achieve a keyswitch which can be easily assembled and whose assembly operation is easily automated by placing on a membrane switch a lever mounting plate, which is provided separately of a metal plate and with which bottom ends of a pair of lever members engage. CONSTITUTION: A keyswitch has a keytop(1) at the topmost portion thereof. The keytop(1) is molded out of a resin material so as to have a substantially rectangular external shape. The top surface of the keytop(1) is formed as an operating surface(1a) having a circular arc shape, and a square-pole-shaped protrusion(1b) protrudes from substantially the center portion of the back surface of the keytop(1). The keytop(1) has four side surfaces which surround the square-pole-shaped protrusion(1b). The side surfaces are formed flat. A cross-shaped presser portion(1d) is formed so as to protrude outward in a diagonal direction from a corner of the protrusion(1b) where the side surfaces intersect. A size of the presser portion(1d) in the diagonal direction is longer than diameters of top portions of elastic members(8). The elastic members(8) directly elastically bias the presser portion(1d) in order to allow the keytop(1) to move up and down.
Patent KR-20030012955-A (KR)
Title: Pocket comb case
Inventor: LEE HEE EUN
IPC: A45D24/08
Filed: 2001-08-06
Abstract: PURPOSE: A comb case in which various kinds of combs are installed to easily come out from a housing is provided. Therefore, a user can use it conveniently while it shows good application feeling such as smooth combing and is simple in manufacture. CONSTITUTION: A comb case characteristically comprises a housing(105) which is opened on one side and has a receiving part(115) inside, and two or more different kinds of combs(111, 112, 113). A connecting part(120) is formed on one side of the housing by passing through it to make the combs rotate.
Patent KR-20030013017-A (KR)
Inventor: PARK JAE GYU
IPC: H04N7/15
Filed: 2001-08-06
Abstract: PURPOSE: A speaker recognition method in a presentation system is provided to give the right to speak to only one speaker among many speakers to prevent confusion and disturbance caused when more than two speakers are speaking. CONSTITUTION: A direction coordinate value of a camera is set previously according to the position of a microphone allocated to each of speakers including a main speaker and sub-speakers(S10). The sub-speakers request the right to speak using a microphone system while presentation is being carried out(S12). A signal is transmitted from the microphone system to an operation program unit. The operation program unit displays the requests to the main speaker(S14). The main speaker checks the requests to select a sub-speaker whom the right to speaker is given and gives the right to speak to the sub-speaker(S16). The operation program unit sends a microphone operation control command to a microphone controller and transmits a camera control signal to a main controller(S18). The main controller controls the direction of the camera of the sub-speaker with the camera coordinate value of the camera(S20). The image of the sub-speaker is transmitted to a display system and the operation program unit through a video switching circuit(S22).
Patent KR-20020013804-A (KR)
Title: Optical fiber separation and regrouping device
Inventor: NICOLAS ARNAUD
IPC: G02B6/44
Filed: 2001-08-14
Abstract: PURPOSE: Provided is a shuffle device, more particularly, an optical fiber separation and regrouping device for an optical shuffle. Further provided is a method of organizing and managing optical fibers. CONSTITUTION: The fiber separation and regrouping device comprises: a housing having an input end, an output end(102B), and an interior region extending between the input end and the output end thereof; and a plurality of optical fibers extending through the interior region of the housing, each the optical fiber having a respective first coating disposed along a first portion thereof and a respective second coating disposed along a second portion thereof, wherein a respective encapsulation discontinuity is formed on each the optical fiber between the respective first coating and the respective second coating, wherein the housing is molded over the optical fibers to contain the optical fibers and surround the respective encapsulation discontinuities.
Patent KR-20020014749-A (KR)
Inventor: KIRSCH PEER
IPC: C07C43/225
Filed: 2001-08-17
Abstract: PURPOSE: The tetracyclic and pentacyclic compounds and the use thereof in a liquid medium are provided, therefore an MLC, TN or STN display, particularly, a reflective MLC display having high specific resistance and low critical voltage can be produced using the title compound having high clearing point, low rotation viscosity and low double refraction. CONSTITUTION: The tetracyclic and pentacyclic compounds are represented by formula(1), in which R1 and R2 are independently unsubstituted, CN or CF3-substituted, or halogen-substituted alkyl or alkenyl radical having carbon number of 15 or less, wherein one or more Cl2 may be substituted with -O-, -S-, -CO-, -CO-O-, -O-CO- or -O-CO-O-; Z is -OCF2-, -CF2O- or a single bond; L1, L2, L3 and L4 are independently H or F; and M is 1 or 2. The liquid medium comprising a mixture of polar compounds having positive dielectricity contains a compound of formula(1), and at least one compound selected from the group consisting of compounds represented by formulae(2, 3, 4, 5, 6, 7 and 8), respectively.
Patent KR-20020021003-A (KR)
Inventor: AOKI MASASHI
IPC: G11B5/596
Filed: 2001-08-30
Abstract: PURPOSE: To provide a manufacturing method by which a flexible and disk- shaped slave medium on which a servo signal is recorded by a magnetic transfer method in high quality and efficiency can be housed in a case. CONSTITUTION: The method is provided with a slitting stage for slitting rolled goods into webs, a punching stage for punching the web into a disk-shaped slave medium, a thermo stage for removing distortion, a varnishing stage for making the surface smooth, a center core attaching stage, a magnetical transfer stage for performing magnetic transfer of the servo signal by bringing a master carrier and the web or the slave medium into close contact, an assembling stage for incorporating the slave medium into the case, a stage for cleaning the surface of the slave medium, a verifying stage for inspecting the servo signal and a packaging stage.
Patent KR-20020088048-A (KR)
Title: Lithium secondary battery
Inventor: ARAI JUNICHI
IPC: H01M10/0569
Filed: 2001-09-19
Abstract: PURPOSE: To improve resistance to overcharging, without deteriorating storage characteristics of a lithium secondary battery using an organic solvent as electrolyte. CONSTITUTION: A fluorinated solvent such as methyl nona florobutyl-ether, which exhibits high oxidation potential and will not be oxidized in the overcharging state of the battery, and phenylsilane derivative, such as anisole, used as overcharging inhibitor is added to an organic solvent electrolyte as additive. Therefore, overcharging resistance is enhanced by the both action and large capacity of the safe lithium secondary battery can be achieved. In the formula, R7-R9 each represents a hydrogen atom, alkyl group having 1-3 carbon atoms or the like R10-R14 each represents alkoxy group having 1-3 carbon atoms or phenyl group or the like.
Patent KR-20030025047-A (KR)
Title: Illegal credit card prevention system in shop terminal
Inventor: JUNG IN
IPC: G06K19/00
Filed: 2001-09-19
Abstract: PURPOSE: A system for preventing an illegal credit card on a shop terminal is provided to prevent an illegal use of the credit card by replacing a sign of a payment slip with inputting a password to the terminal. CONSTITUTION: The terminal(100) includes an IC card interface(101), a keypad interface(102), a display(120), a printer controller(106), a memory(103), a communication module interface(105) communicating data with a terminal interface(136) of a communication module(130) through wire or wireless, and a CPU(104). The communication module(130) comprises a direct electric power supply(135), a serial communication controller(132) interfacing the serial communication interface for communicating the serial data, a modem(131) modulating/demodulating a signal inputted/outputted through a connection port of a VAN(Value Added Network), the terminal interface(136) interfacing the wire/wireless connection with the terminal(100) and a financial terminal, the memory(133), the CPU(137), and a multi-connection port(134).
Patent KR-20010099289-A (KR)
Title: 회전롤러가 구비된 냉장고용 아이스크림 제조기
Inventor: KIM WON SIK
IPC: A23G9/04
Filed: 2001-09-19
Abstract: 본 발명은 아이스크림 제조기에 관한 것으로서, 특히 전동모터(10)의 회전력에 의해 원동감속기(11)가 회전하고, 상기 원동감속기(11)에 기어결합된 롤러기어(12)가 회전롤러(13)를 회전시킴으로써, 상기 회전롤러(13)의 상부에 삽입되어 있는 본체가 회전하게 되는 회전롤러(13)가 구비된 냉장고용 아이스크림 제조기에 관한 것으로서, 동결과정동안 지속적으로 아이스크림 원액과 본체(20)에 형성된 요철(21)이 충돌하여 동결중인 아이스크림을 잘게 부서지게 하므로 공기가 충분히 함유된 양질의 아이스크림을 제작할 수 있으며, 충전용 배터리를 동력원으로 사용함으로써 별도의 부가장치가 없는 상태에서도 기존의 냉장고에서 손쉽게 아이스크림을 제조할 수 있는 효과가 있다.
Patent KR-20020024564-A (KR)
Title: Method for producing xylylenediamine
Inventor: AMAKAWA KAZUHIKO
IPC: C07B61/00
Filed: 2001-09-25
Abstract: PURPOSE: Provided is a method for producing xylylenediamine by hydrogenating phthalonitrile synthesized through ammoxidation of xylene, comprising recovering phthalonitrile, readily and at high yield, from a gas produced through ammoxidation, thereby efficiently producing xylylenediamine of high purity. CONSTITUTION: The method comprises (1) an ammoxidation step for producing phthalonitrile by causing xylene to react in a vapor-solid catalytic manner with ammonia and an oxygen-containing gas, thereby causing ammoxidation; (2) a trapping step for trapping phthalonitrile in an organic solvent(A) by bringing a gas produced through ammoxidation into direct contact with the organic solvent(A); and (3) a hydrogenation step for carrying out hydrogenation including adding liquid ammonia to phthalonitrile without separating the phthalonitrile trapped in the organic solvent(A).
Patent KR-20030033198-A (KR)
Title: The method of manufacturing a polyester microfiber
Inventor: SON YANG GUK
IPC: D01F6/62
Filed: 2001-10-19
Abstract: PURPOSE: A method of preparing a polyester ultra-fine fiber is provided to produce a fiber with a fineness of 0.2-0.5 denier and a count of yarn of 70 or more while securing the properties of high strength and excellent dyeability with respect to a cationic dye. CONSTITUTION: An ultra-fine fiber with a fineness of 0.2-0.5 denier and a count of yarn of 70 or more is prepared by using a polyethylene terephthalates (PET) polymer dyeable with respect to a cationic dye, which is prepared by adding dimethyl isophthalate (DMS) containing a metallic sulfonate group. The un-drawn yarn is prepared in condition that the length of the hot zone is established to be 5-20mm, and the distance between the cold wind extracting side and the filament to be 2-30mm. The speed of winding is established to be 4,000m/minute.
Patent KR-20020055360-A (KR)
Inventor: COOPER KIRK E
IPC: C23C28/00
Filed: 2001-10-30
Abstract: PURPOSE: A protective coating that reduces corrosion for a compressor is provided. CONSTITUTION: The compressor has a protective coating comprising a sprayed metallic layer disposed on the compressor; and an organic based surface layer disposed on the sprayed metallic layer(12), wherein the sprayed metallic layer is a flame sprayed layer, formed by electric arc wire spraying, comprises aluminum, has a thickness of between 0.010 to 0.015 inches, has an adhesion level of at least 1,000 psi, comprises flattened droplets of metal, and is a porous coating. The compressor has a protective coating comprising a sprayed aluminum layer; and an organic surface layer disposed on the sprayed aluminum layer, wherein the organic surface layer comprises a carrier, and an organic compound, wherein the organic surface layer further comprises inorganic particulate, wherein the inorganic particulate comprises aluminum, wherein the organic surface layer comprises an ultraviolet stabilizer, wherein the organic surface layer can withstand greater than 300 deg.F exposure without degradation, and wherein the organic based surface layer has a thickness of less than 0.002 inch. The method of coating a compressor comprises the steps of treating the surface of the compressor with an abrasive grit; thermally spraying a metallic coating onto the surface of the compressor; and applying a sealer onto the metallic coating.
Patent KR-20030035123-A (KR)
Title: Cavity resonator for optical fiber lasers
Inventor: CHOI YONG GYU
IPC: H01S3/067
Filed: 2001-10-30
Abstract: PURPOSE: An optical fiber laser resonator is provided, which is used as a pumping source of a Tm-doped fiber amplifier of a non-silica family. CONSTITUTION: The first optical fiber(20) is connected to a laser diode(10) by a pig tailed form, and the second optical fiber(40) is connected by a different structure from the first optical fiber. The third optical fiber(31) consists of a cladding(42) and a core(41) where a grating is engraved and is configured to connect both ends of the first and second optical fibers by a tapering method. The first optical fiber is an SMA cable, the second optical fiber is a dual clad fiber which consists of a Yb-doped core and a cladding. GeO2 is doped in a core where the grating of the third optical fiber is engraved. A silica(32) as a packing means is configured such that an air gap is formed at the outside of the third optical fiber so that light passing through the cladding of the third optical fiber progresses smoothly.
Patent KR-20030039786-A (KR)
Title: Device for Turning On/Off Air Conditioner with Sensing Wind Pressure in a Bus Air Conditioner Duct
Inventor: PARK YEONG BEOM
IPC: B60H1/00
Filed: 2001-11-14
Abstract: PURPOSE: A device for turning on/off an air conditioner is provided to achieve improved efficiency of engine power, while reducing noises and fuel consumption by avoiding unnecessary operation of the compressor. CONSTITUTION: A device comprises an auxiliary outlet lid(22) which opens/shuts by the wind pressure in an air conditioner duct(1); a wind pressure sensing on/off device for stopping or operating the air conditioner in accordance with the opening/shutting operation of the auxiliary outlet lid; and an auxiliary outlet lid spring(23) for shutting the auxiliary outlet lid in accordance with the wind pressure in the air conditioner duct. The wind pressure sensing on/off device includes an on/off sensor(21) which is turned on/off in accordance with the opening/shutting operation of the auxiliary outlet lid; an electronic control unit for outputting a control signal for operating or stopping the air conditioner in accordance with the on/off operation of the on/off sensor; and an air conditioner driving relay for applying power to the air conditioner in accordance with the control signal output from the electronic control unit.
Patent KR-20030040728-A (KR)
Title: Method for scramble using mobile terminal
Inventor: HWANG JO YEON
IPC: H04B1/40
Filed: 2001-11-15
Abstract: PURPOSE: A method of making a secret call using a cellular phone is provided to automatically switch into an earphone speech mode for a receiving call designated as a 'secret call' by using an CID(Calling Identification Display) service, thereby enabling a receiving subscriber to make the secret call with a caller through an earphone. CONSTITUTION: When a call is received in a cellular phone(S10), a station unit outputs a pre-registered caller name on an LCD, and outputs a designated receiving bell sound through a speaker of the cellular phone(S11). The station unit confirms whether a caller's telephone number confirmed from a flash memory is designated as a 'secret call'(S12). If so, the station unit connects the call, automatically switches into an earphone speech mode, and performs an operation in accordance with the earphone speech mode(S21). If the caller's name is not registered in the flash memory, the station unit outputs the caller's telephone number only on the LCD, and performs a general speech mode(S22).
Patent KR-20030041204-A (KR)
Inventor: PARK KI JONG
IPC: F16L9/12
Filed: 2001-11-19
Abstract: PURPOSE: A quadruple wall pipe is provided to improve the strength of the quadruple wall pipe by filling a space with foaming resins. CONSTITUTION: A quadruple wall pipe is composed of an inner wall pipe(10) made of synthetic resins and having a predetermined sectional shape, and an outer wall pipe(20) made of synthetic resins and having a predetermined sectional shape. A hollow space(30) is formed in the inner wall pipe, and is filled with foaming resins(40). The outer wall pipe is formed at the outer surface of the inner wall pipe.
Patent KR-20010112177-A (KR)
Title: 가스보일러용 판형 열교환기구조
Inventor: MIN TAE SIK
IPC: F28D9/00
Filed: 2001-11-21
Abstract: 본 발명은 가스보일러의 주 열교환기로 부터 공급되는 난방수를 이용하여 각 실(室)의 난방과 동시에 온수를 공급하도록 하는 판형 열교환기에 관한 것으로, 
     상기 판형 열교환기는 하측에 제 1결합플랜지가 형성되고, 상기 제 1결합플랜지의 상부 일측에 형성되어 상기 가스보일러의 주열교환기로 부터 공급되는 난방수가 유입되는 난방수 유입구와, 상기 난방수 유입구의 타측에 제 1, 2유로가 형성된 상부커버와, 상기 상부커버의 제 1결합플랜지와의 사이에 오링을 구비하여 누수를 방지하도록 장착되는 제 2결합플랜지와, 상기 제 2결합플랜지의 하부일측에 난방수 유출구가 형성된 하부커버로 이루어진 외부본체와; 상기 외부본체의 내부에 구비되되, 상기 제 1유로의 내주에 장착되는 온수유입구로 유입된 수돗물을 본통 내부에서 순환, 승온시킨 후, 제 2유로의 내주에 구비된 온수유출구로 배출하여 온수로 사용하도록 하는 내부본체를 포함하여 구성된다. 
     본 발명에 의하면, 주 열교환기와 직접연결되어 열손실을 최소화하고 상부커버에 형성된 제 1, 2유로와 난방수 유출구등에 배관부품이 바로 장착됨으로써, 배관시공이 용이함과 동시에 열효율은 극대화 한 효과가 있다.
Patent KR-20030042312-A (KR)
Title: Internet interval advertisement system and method
Inventor: NAM GYEONG SIK
Filed: 2001-11-22
Abstract: PURPOSE: A system and a method for an Internet intermission AD(ADvertisement) are provided to display an AD according to the movement of the URL(Uniform Resource Locator) and a specified channel, and to maximize the AD effect by providing the AD fit to the user's taste as selecting the AD according to the cookie information of the user. CONSTITUTION: A web server(200) requests the AD source to an AD server(300) according to the page request of a user(100). The AD server(300) selects the AD fit to a condition from the ADs registered to an AD database(400), and transmits the selected AD source and an AD execution program for controlling the execution of the AD source to a user's PC. The AD execution program is downloaded and installed, and the AD is displayed if the AD source is downloaded. After finishing the display, the log information of the user(100) is sent to the AD server(200) and the log information is transmitted to the AD statistics server(500) finally. The AD statistics server(500) executes the statistics based on the log information, and the statistics information is stored in the AD statistics database(600).
Patent KR-20030043304-A (KR)
Title: Process for preparing tritylated polystylene resin
Inventor: KIM JU HAN
IPC: C08F8/24
Filed: 2001-11-27
Abstract: PURPOSE: A method for preparing a polystyrene resin is provided, to obtain a polystyrene resin for the synthesis of peptides introduced with a trityl group without employing an organometallic compound. CONSTITUTION: The method comprises the step of reacting the benzophenone dihalide compound represented by the formula I with a polystyrene resin represented by the formula II to obtain a tritylated polystyrene resin represented by the formula III, wherein X is H or a halogen atom; Y is H, a halogen atom, an alkyl group of C1-C4 or an alkoxy group of C1-C4; and A is a halogen atom. Preferably the reaction is carried out in the presence of a Lewis acid, and the Lewis acid selected from the group consisting of AlBr3, AlCl3, BCl3, BF3, BiCl3, GaCl3, FeCl3, SbCl3, SbCl5, SnCl4, TeCl4, ZnCl2 and ZrCl4. Preferably the reaction is carried out in the presence of at least one solvent selected from the group consisting of dichloromethane, chloroform, carbon tetrachloride, 1,2-dichloroethane, o-dichlorobenzene, m-dichlorobenzene, p-dichlorobenzene, nitromethane, nitrobenzene and carbon disulfide.