baber/WOPTO huggingface dataset:
Patent KR-20020076417-A (KR)
Title: The driving circuit of the plasma discharge type flat backlight using current control
Inventor: HUH JEONG UK
IPC: G02F1/133
Filed: 2001-03-28
Abstract: PURPOSE: A plasma discharge type flat backlight driving circuit using current control is provided to stably drive a plasma discharge type flat backlight and control brightness thereof with reducing power loss. CONSTITUTION: A plasma discharge type flat backlight driving circuit using current control includes a line filter part(10) receiving power input from a DC power part for rectifying DC power to provide current stably, a step-up inverter part(30) converting DC power provided from the line filter part into AC power, an output part(40) forming an LC resonance circuit with the step-up inverter part for providing AC power to a backlight(50), a feedback part(60) converting current fluctuation quantity flowing in the backlight into voltage component, a brightness control-part(70) comparing a signal input from the feedback part with a predetermined set value for outputting a PWM signal to control brightness of the backlight, a current control part(80) controlling current flowing in the step-up inverter part and a transformer of the output part according to the PWM signal of the brightness control-part, and a pulse generating part(20) generating pulse for driving of the step-up inverter part.
Patent KR-20020076426-A (KR)
Title: Ceramic Compositions for superhydrophilic coating and its manufacturing method
Inventor: CHO SEO YONG
IPC: C09D1/00
Filed: 2001-03-28
Abstract: PURPOSE: Provided are an ultra-hydrophilic coating composition, which can keep hydrophilicity for a long time without light and recover the hydrophilicity rapidly under the light source even at low luminous intensity, and a process for producing a coating film by using the coating composition. CONSTITUTION: The ultra-hydrophilic coating composition contains titanium oxide and 0.1-8mol%(based on the titanium oxide) of at least one alkali metal ion selected from sodium, potassium, lithium, and cesium. And the ultra-hydrophilic coating film is produced by the process comprising the steps of: preparing a coating sol by adding at least one alkali metal salt to a sol made of alkoxide containing titanium; coating the coating sol and heat-treating at 300-600deg.C to change into crystalline titanium oxide.
Patent KR-20020076902-A (KR)
Title: full automation type washing machine
Inventor: AHN IN GEUN
IPC: D06F17/00
Filed: 2001-03-31
Abstract: PURPOSE: A fully automated washing machine is provided to carry out the switch of the rotation force transmission from a driving part formed of a stator and a rotor to a pulsator or a dehydrating tub stably in a short time. CONSTITUTION: A fully automated washing machine includes a dehydration tub rotatably mounted in an outer tub, a pulsator mounted in the dehydration tub and rotatably independently from the dehydration tub, a dehydration shaft(5) rotatably supported in a shaft-supporting bearing case(20) for transmitting rotation force to the dehydration tub, a washing shaft(6) for transmitting the rotation force to the pulsator, a motor(7) having a rotor(7b) rotating as a stator(7a) is energized, and a clutch unit for switching the power transmission path of the motor to the washing shaft or the dehydration shaft in response to the washing or dehydrating stroke.
Patent KR-20020078796-A (KR)
Title: cyclone collector
Inventor: LIM GYEONG SEOK
IPC: A47L9/16
Filed: 2001-04-10
Abstract: PURPOSE: A cyclone dust collecting device is provided to enhance a dust collecting efficiency and prevent a re-scatter of the separated foreign materials by changing a part of shape of a cylindrical cyclone body and increasing a centrifugal force. CONSTITUTION: A second cyclone(30) comprises an air intake port(32) and a foreign material discharging port(33). The air intake port is formed at one circumference surface of a second cyclone body(31), and communicates with the air discharging port of a first cyclone. The foreign material discharging port connected to the second dust collecting portion(34) is formed at the other circumference surface. An air discharging pipe(35a) is provided to the other side of the second cyclone body. A motor fan for providing a motive power is provided at one end placed on an outside of the second cyclone body.
Patent KR-20020078909-A (KR)
Title: Plate type heat exchanger using gas
Inventor: KANG SANG HOON
IPC: F28F3/00
Filed: 2001-04-11
Abstract: PURPOSE: A plate type heat exchanger for gas is provided to simplify manufacture thereof and to improve energy efficiency. CONSTITUTION: A heat exchanger includes at least one unit heat transfer plate(50) comprising an upper plate(10) made of a metal sheet with a plurality of protrusions protruding in a direction and a lower plate(30) made of a metal sheet with a plurality of protrusions formed in a direction to cross the protrusions of the upper plate both of which are joined to each other so that supplied air fluid passes an inner space formed thereby; and at least one heat transfer plate bundle comprising a plurality of the unit heat transfer plates layered so that heat medium gas passes spaces between the unit heat transfer plates.
Patent KR-20020080152-A (KR)
Title: Composition ingredients of polyurethane form for shielding of electromagnetic wave, and manufacture method
Inventor: CHOI YEONG HWA
IPC: C08G18/32
Filed: 2001-04-12
Abstract: PURPOSE: Provided are a composition of polyurethane foam excellent in shielding for magnetic field of electromagnetic wave, and a method for preparing the polyurethane foam. CONSTITUTION: The composition is produced by quantitatively mixing 5-50 parts by weight of electromagnetic absorber(any one of Mn-Zn-, Ni-Zn-, Mg-Zn-, Mg-Cu-Zn-ferrite) having particle size of 0.1-10 micrometer, which is coated with 0.5-3.0 wt% of fatty acid sealant, into a material consisting of 50-75 parts by weight of toluene di-isocyanate(TDI), 1-3 parts by weight of polyalkyleneoxidemethyl or siloxane copolymer(silicone), 3-15 parts by weight of methylene chloride(MC), 0.2-0.6 parts by weight of tin catalyst(stannous octoate), 0.1-0.2 parts by weight of amine catalyst(bis-dimethylaminoethyl-ether) and 3-10 parts by weight of H2O(wherein the parts by weight is based on 100 parts by weight of polypropylene glycol).
Patent KR-20010067998-A (KR)
Title: Shaft unit structure of an electric fan motor
Inventor: SHIN SANG YOON
IPC: F04D25/10
Filed: 2001-04-13
Abstract: PURPOSE: A main shaft unit structure of a motor for a rotating fan is provided to maintain a rotation function of electric home appliances by generating sliding force to prevent the rotation between engaged gears even though forcible stopping power over a prescribed power acts when the electric home appliances are used. CONSTITUTION: A main shaft unit structure of the motor for the rotating fan includes a rotating motor body(10) having a connection part(11) inside, a main shaft(22), a main shaft gear(16), and upper and lower washers(20,14). The main shaft has a first end portion(24) connected with the connection part of the rotating motor body, second to fourth end portions(26,28,30) being in the form of a rectangle cut at both sides and a fifth end portion(32) on which the external force is applied. The main shaft gear has seating parts(18) at upper and lower surfaces and is connected to the fourth end portion of the main shaft. The upper and lower washers have elongated holes at the center respectively and are connected to the seating parts of the main shaft gear. When the external force is applied to the main shaft, the main shaft gear stops the rotation and the washers connected to the main shaft are rotated idly.
Patent KR-20020079199-A (KR)
Title: A cellulra phone having function of a hearing aid
Inventor: LEE SEUNG HUN
IPC: H04B1/38
Filed: 2001-04-13
Abstract: PURPOSE: A cellular phone having a function of a hearing aid is provided to always operate a receiving standby mode to receive calls in a hearing aid mode, and to convert into a speech mode from the hearing aid mode when receiving a call, thereby coping with hearing problems. CONSTITUTION: A mode converter(100) converts into a cellular phone mode and a hearing aid mode. A micro computer(110) receives a mode conversion signal transmitted from the mode converter(100), and cuts off a signal transmission of a transceiver(180) when the mode conversion signal is a hearing aid mode signal, to maintain a state of using a cellular phone as a hearing aid. A microphone(120) converts a voice signal into an electrical signal. An A/D converter(130) converts the signal outputted from the microphone(120) into a digital signal. A digital signal processor(140) processes the digital signal to a predetermined signal for hearing impaired by operating a control program. A D/A converter(150) converts the digital signal into an analog signal. An amplifier(160) amplifies the analog signal. A speaker(170) outputs the amplified signal as a voice signal.
Patent KR-20020083876-A (KR)
Title: The holding structure of golfclub for golfbag
Inventor: LEE DONG HOON
IPC: A63B55/00
Filed: 2001-05-04
Abstract: PURPOSE: Golf club support structure of a golf bag is provided to stably receive golf clubs in the golf bag during the transportation of the golf bag by restricting the movement of the golf clubs, thus preventing the damage and frictional noise of the golf clubs. CONSTITUTION: The golf bag(1) having a golf club receiving space divided by a plurality of sectionalizing rods(2) comprises a rod shaped fixing guide installed in perpendicular to the sectionalizing rods at the opposite side of a shoulder strap loop(3); a holder(5) having a tubular slider(5A) slidably coupled to the fixing guide and a plurality of press pads(5B) installed in perpendicular to a longitudinal direction of the slider; a returning device that the both ends are connected to the fixing guide and slider to endow the slider with an elastic return force; a flexible connecting member(7) for connecting the shoulder strap loop with the slider through a penetrating hole; and a locking structure(9) for fixing the holder at a certain position by selectively pressing the connecting member, the locking structure having a locker(9A) composed of a locking part(9A') and a lever part(9A") installed movably through a support pin.
Patent KR-20020085155-A (KR)
Title: Method and System for Providing and Managing Billing for Internet Service
Inventor: CHANG HAENG GORN
IPC: H04M15/28
Filed: 2001-05-07
Abstract: PURPOSE: A system and a method for providing an Internet service and managing billing are provided to supply a communication-dedicated program to the wire/wireless terminals located in a required service area so that the terminals can use a high speed wire/wireless Internet service within the service area at a low price. CONSTITUTION: A billing server authorizes an Internet service requester to use an Internet service, activates a service meter, and instructs it to count time or the packet amount of transmitted information(S405). The billing server judges whether the Internet service requester has completed the Internet service(S410). In case that the Internet service requester has completed the Internet service, the billing server stops the service meter(S415). Then the billing server calculates the amount of communication usage, base on the time or packet amount counted through the service meter, and reports the amount and charge of communication usage to the Internet service requester(S420,S425). If the Internet service requester pushes a confirmation button after confirming the amount and charge of communication usage, the billing server stores the Internet service requester's communication usage amount and charge in a charge information DB(S430).
Patent KR-20010104657-A (KR)
Title: 오르토 치환된 벤즈알데하이드, 이의 제조 방법 및 이의용도
IPC: C07C45/42
Filed: 2001-05-09
Abstract: -60℃ 미만의 온도에서 용매 또는 용매 혼합물중에서 화학식 2의 할로벤젠을 유기 리튬 화합물과 반응시킨 다음, 화학식 3의 포밀형 화합물과 반응시켜, 화학식 1의 화합물을 제조한다. 
     화학식 1 
     
       
     
     화학식 2 
     
       
     
     화학식 3 
     
       
     
     상기식에서, 
     X 1 및 X 2 는 독립적으로 H 또는 F이고, 
     Y는 Cl, Br 또는 I이다. 
     또한, 화학식 1의 화합물은 농약, 전자제품 소재 및 약제를 제조하기 위한 출발 물질로서 사용될 수 있다.
Patent KR-20020086018-A (KR)
Title: Apparatus for changing optical fiber grating
Inventor: LEE GYEONG SIK
IPC: G02B5/18
Filed: 2001-05-10
Abstract: PURPOSE: An apparatus for varying an optical fiber grating is provided to change a transmission spectrum and a refractive index of the optical fiber grating by pressing an uneven plate having a groove to a predetermined angle of an optical fiber axis. CONSTITUTION: A tightening member(40) is formed with a right tightening member(40) and a left tightening member(40). A tapered empty space is formed in the inside of the tightening member(40). A female screw thread is formed on the inside of the tightening member(40). An uneven plate(30) is contacted with an optical fiber(10). A compressing member(50) is inserted into the tightening member(40). A fixing section(60) is formed between a through-hole of the tightening member(40) and an optical fiber fixing hole of the compressing member(50) in order to fix an optical fiber to the through-hole of the tightening member(40). A male screw thread is formed on a part of the compressing member(50).
Patent KR-20020088136-A (KR)
Title: Structure for wiring-connection of rear combination lamp for automobile
Inventor: SUNG CHANG MO
IPC: B60Q1/30
Filed: 2001-05-17
Abstract: PURPOSE: Wiring connecting structure of a rear combination lamp for a vehicle is provided to replace a bulb conveniently without damage of a trim or a panel by installing an internal connector in a lamp housing panel and by integrally connecting an external connector. CONSTITUTION: An internal connector(10) is fastened in a lamp housing panel(30) by a fixing apparatus, and connected to an external connector. The fixing apparatus is composed of a nut part(40) combined with a threaded part(11a) of a tube(11) of the internal connector, a fixing part(50) inserted to a connecting hole(31) of the lamp housing panel and combined with the internal connector, and a sealing part(60) fitted to the tube of the internal connector, made of flexible rubber and contacted to the lamp housing panel for waterproofing. The bulb of the rear combination lamp is replaced conveniently without damage by mounting the internal connector in the lamp housing panel with the fixing unit.
Patent KR-20010106267-A (KR)
Title: 지폐수납방출고
IPC: G07D9/00
Filed: 2001-05-18
Abstract: 본 발명은 지폐수납방출고에 관한 것으로서 지폐를 다수매 수납한 상태와 지폐의 유통상태에 의해 구겨지거나 찢어진 일본엔지폐뿐아니라 외국지폐등 종이 질이 상이한 지폐를 정렬된 상태로 안정하게 유지하는 수납 방출동작을 하는 것을 목적으로 한다.  또한, 계원이 수납부에 지폐를 장진하는 조작성이 좋은 지폐수납방출고를 제공하는 것을 목적으로 한다. 
     본 발명의 지폐수납방출고는 스톡·분리기구와 누름판 구동기구를 구비하여 누름판구동기구에 연동하여 분리·스톡가이드의 위치를 이동시키는 수단 및 누름판과 하부지폐 지지부재의 구동력 연결해제수단 및 누름판 록수단과 스톡·분리기구를 하측에 수납방출고를 향하여 위치하는 것이 가능한 수납식의 스탠드를 구비한 구성이다.
Patent KR-20020088592-A (KR)
Title: Base of semiconductor package, semiconductor package using the same and method of manufacturing thereof
Inventor: PARK CHAN IK
IPC: H01L23/495
Filed: 2001-05-18
Abstract: PURPOSE: A base of a semiconductor package, a semiconductor package using the same, and a fabricating method thereof are provided to fabricate a ball grid array type chip scale package by using two sheets of lead frame. CONSTITUTION: The first lead frame portion includes the first outline portion, the first pad(106), and the first leads(104). The first outline portion has a rectangular shape. The first pad(106) is connected with the first outline portion by the second connection portion. The first leads(104) are connected with the outline portion by the first connection portion. The second lead frame portion includes the second leads(124). The second pad is formed at a center of the second outline portion(122). The second pad is connected by the second connection portion. The second pad is used as a heat-sink pad. The second leads(124) are formed around the second pad.
Patent KR-20020088272-A (KR)
Title: Array Panel used for a Liquid Crystal Display and Method for Fabricating the same
Inventor: HA YEONG HUN
IPC: G02F1/1362
Filed: 2001-05-21
Abstract: PURPOSE: An array substrate for a liquid crystal display device and a method for fabricating the same are provided to prevent the reject such as screen speckles due to the difference of overlay and omit the re-work of photolithography due to the overlay difference, thereby reducing the fabricating time and cost. CONSTITUTION: An array substrate for a liquid crystal display device includes gate wires(114) formed in a first direction on a substrate, data wires(124) formed in a second direction intersecting the gate wires, and having first data wires(124a) forming a lower layer and second data wires(124b) forming an upper layer of the first data wires with a width larger than the first data wires, pixel electrodes(132) positioned in pixel areas defined by the intersection between the gate and data wires and formed in the same step with the second data wires, and thin film transistors(TT) connected to the pixel electrodes.
Patent KR-20020089588-A (KR)
Title: non-volatile semiconductor memory devices having row decoder reduced layout size
Inventor: LEE BYEONG HUN
IPC: G11C16/08
Filed: 2001-05-23
Abstract: PURPOSE: A non-volatile memory device having a row decoder for reducing a size of layout is provided to minimize or reduce the size of layout and an area of a chip by improving a structure of the row decoder. CONSTITUTION: A plurality of sectors(300,300n) are formed with a plurality of floating gate memory cell transistors. A plurality of global row decoders(100,110,100n) are used for selecting global word lines by decoding some of external address signals. A plurality of division decoders(50,50n) are arranged at each sector in order to select divided word lines by decoding the remaining external address signals. A plurality of local row decoders(200,200n,210,210n,230,230n) are connected with global word lines of the global row decoders(100,110,100n) in order to activate the word lines of the selected sectors. A plurality of high voltage and erase voltage drivers(30,30n,40,40n) are used for generating high voltages and erase voltages according to sector address signals and applying the high voltages and the erase voltages to corresponding local row decoders. A plurality of sector selectors(10,10n) are used for generating sector selection signals according to sector address signals and applying the sector selection signals to local row decoders(200,200n,210,210n,230,230n). A plurality of bias drivers(20,20n) is used for generating bias voltages according to the sector address signals and applying the bias voltages to the local row decoders(200,200n,210,210n,230,230n).
Patent KR-20020092554-A (KR)
Title: Adjustable washstand
Inventor: KIM JUNG KEUN
IPC: A47K1/04
Filed: 2001-06-04
Abstract: PURPOSE: An easy height regulated washbowl is provided, thereby the height of the washbowl can be easily regulated according to the height of a user. CONSTITUTION: The easy height regulated washbowl comprises inducing rails(20) which support the washbowl(10), and are inserted into the supporting pipes(22) having tensile springs(23) with the lower buffer material(21) so as to move the washbowl upward and downward; a stopper element(30) which has numerous holes(31) for determining the height of the washbowl(10) and is inserted into an insertion apparatus(32); and an operation tool(40) which is inserted into the hole(31) in the stopper element(30) when the height of the washbowl(10) is regulated, so that the height of the wash bowl(10) can be determined.
Patent KR-20020092677-A (KR)
Title: The coupling structure of lens barrel and holder
Inventor: HWANG JAE HO
IPC: H04N5/74
Filed: 2001-06-05
Abstract: PURPOSE: A combination structure of a lens barrel and a lens barrel holder is provided to easily combine the lens barrel and lens barrel holder and disassemble the combined structure. CONSTITUTION: A projection system of a projection television includes at least one lens barrel(10) in which a plurality of lenses are set, an opening(22) combined with the lens barrel, and a lens barrel holder having a mirror for controlling a path of light passing through the lens barrel. The lens barrel has a flat support(12) placed at the bottom thereof. The lens barrel holder is formed in one body. A flat mount(26) is placed at the opening combined with the lens barrel to be combined with the support of the lens barrel. At least one fixing protrusion(28) and a guide hole(14) corresponding to the fixing protrusion are respectively formed at the mount and support to prevent the lens barrel from moving.
Patent KR-20010112584-A (KR)
Title: 배수 처리 장치
IPC: C02F3/00
Filed: 2001-06-08
Abstract: 본 발명은 배수(排水) 처리 장치에 사용하는 펠릿(pellet)이 똑같이 마모되도록 상기 장치를 개량하는 것을 목적으로 한다. 
     유기성 배수 처리 장치(1)의 저수조(2) 내부에 수평축(11)을 중심으로 회전하는 원통 용기(3)가 설치되고, 이 용기에 펠릿(22)이 투입된다.  용기(3)의 외주벽(5)에는 통수성(通水性)의 관통 구멍(18)이 형성되어 있다.
Patent KR-20020095859-A (KR)
Title: A tray have both faces structure
Inventor: KIM GEUN YEONG
IPC: G02B6/46
Filed: 2001-06-16
Abstract: PURPOSE: A double faced structure tray is provided to reduce the size of the double faced structure tray by utilizing both sides thereof, thereby reducing an overall size of an optical distribution panel. CONSTITUTION: A double faced structure tray includes a tray installed on an optical distribution panel(80), wherein one side of a bottom flat plate of the tray is provided with a splice drawn thereto a plurality of optical core lines(83) and a tray surface to be protected and an opposite surface of the bottom flat plate of the tray is provided with an optical connector connection surface for connecting an optical jumper code with a reinforced optical code(76) of the optical core lines(83) drawn into the splice.
Patent KR-20020096614-A (KR)
Title: Thin film transistor panels and methods for repairing the same
Inventor: BYUN JAE SEONG
IPC: G02F1/13
Filed: 2001-06-21
Abstract: PURPOSE: A thin film transistor substrate and a method for repairing the same are provided to prevent the line opening in a pan out part and resolve the line open problem by connecting the opened portions with dummy patterns even though the opened portions are generated. CONSTITUTION: A thin film transistor substrate includes a plurality of gate lines(22) and a plurality of gate pads(24) formed at an end of each of the gate lines, a plurality of data lines(62) intersecting the gate lines for defining a plurality of pixel areas and a plurality of data pads(64) formed at an end of each of the data lines, a plurality of thin film transistors and pixel electrodes formed in the pixel areas to be electrically connected to the gate lines and data lines, and a plurality of dummy patterns(28,68) positioned between display areas and the pads and overlapping at least one of the gate or data lines.
Patent KR-20020001561-A (KR)
Title: A gas reformer for recovery of hydrogen
Inventor: KAWATANI KOICHI
IPC: B01J8/02
Filed: 2001-06-22
Abstract: PURPOSE: A gas reformer for recovering hydrogen gas generated by thermal decomposition of hydrocarbon gas is provided. CONSTITUTION: A ferritic stainless steel sheet containing 16-25 mass % of Cr and Ti and/or Nb at a ratio of (C+N)x8 or more is used as a substrate for formation of a hydrogen-permeating membrane exposed to a high-temperature, atmosphere of 600-900deg.C, while another ferritic stainless steel sheet containing Cr up to 15 mass % is used as a substrate for formation of a hydrogen-permeating membrane exposed to a high-temperature atmosphere of 450-600deg.C. The stainless steel sheet is formed to a perforated body(3a) with holes for passage of gas. A hydrogen-permeating membrane(3b) is fixed to an external surface of the perforated body(3a) to build up a hydrogen-separating pipe(3). A plurality of the hydrogen-separators(3) are inserted into a cavity between inner and outer walls of a double-pipe(2) filled with a catalyst(4). Hydrocarbon gas fed through a nozzle(7) is decomposed with combustion heat of a fuel(F) fed into an inner space of the double-pipe(2). A decomposition product(H2) selectively permeates through the membrane(3b) and flows out through the takeout opening(8).