baber/WOPTO huggingface dataset:
Patent KR-20030013187-A (KR)
Title: Bldc magnet pump
Inventor: CHANG HEUNG SEOK
IPC: F04D13/06
Filed: 2001-08-07
Abstract: PURPOSE: A BLDC magnet pump is provided to minimize movement of an impeller in axial direction and reduce abrasion of a bearing by reducing force applied in axial direction of the impeller. CONSTITUTION: A BLDC(Brush Less Direct Current) magnet pump includes first and second casings(10,20) constructing an external appearance and having a suction port(26) and a discharging port(27) for flowing fluid, a driving part installed in a space formed by the first and second casings and having a driving magnet part(41); an impeller housing dividing the space into a part for installing the driving part and a pump chamber communicated with the suction port and the discharging port, wherein the driving magnet part is indented, and having an impeller channel around the indent part; an impeller(50) having a driven magnet part(52) secured at the impeller channel and a blade pressing the fluid flew into the pump chamber, and rotated by mutual reaction of the driving magnet part and the driven magnet part in the pump channel; and a front plate(60) placed between the suction port and the blade of the impeller for guiding the fluid to the center of the impeller and supporting the rotation of the impeller.
Patent KR-20030014467-A (KR)
Inventor: KWON HYO SEOK
IPC: B60H1/00
Filed: 2001-08-11
Abstract: PURPOSE: An air conditioning apparatus for an automobile is provided to improve the heating property of second and third row seats by supplying warm air only to the second and third row seats through an auxiliary air duct and a heater core. CONSTITUTION: An air conditioning apparatus for an automobile includes an auxiliary air duct(2) additionally installed to separately flow air from the outside into a front of a heater core(140), a first door(3) installed inside the auxiliary air duct for opening and shutting air flow, an auxiliary blower(4) sucking in the air through the first door for sending the air to the heater core, and a second door(7) formed at an outlet of the heater core for selectively opening and shutting an inlet of an air duct(5) connected to a vent port of second and third row seats, wherein the second door shuts an air passage(9) inside the automobile while opening the inlet of the air duct.
Patent KR-20030016887-A (KR)
Title: Sub heating system
Inventor: KWON JONG HWAN
IPC: B60H1/22
Filed: 2001-08-22
Abstract: PURPOSE: A sub heating system of a vehicle using gas fuel is provided to heat a car room with heat generated by burning separate gas fuel. CONSTITUTION: A heating system comprises a heater core(20) and a blower(21) formed on one side of a chassis to supply warm air to a car room; a combustion chamber(30) having an air inlet(31) formed on one side thereof and a gas outlet(32) formed on the other end thereof to discharge combustion gas and receiving a gas burner(33) using butane gas as fuel; a water circulation line(40) formed in front of the gas burner zigzag to heat water flowing therein, guiding water heated by the gas burner to the heater core and water passing the heater core to a reservoir(45); and a water pump(46) formed on a middle of the water circulation line to forcibly supply the heater core with heated water.
Patent KR-20030018244-A (KR)
Title: Battery charge auto release apparatus and method for mobile communication terminal
Inventor: PARK DONG GYU
IPC: H02J7/00
Filed: 2001-08-27
Abstract: PURPOSE: An apparatus and a method for automatically removing a mobile communication terminal from a battery charger are provided to lengthen the useful life of the battery and reduce power consumption by preventing an overload caused due to the current after completion of battery charging. CONSTITUTION: An apparatus comprises a power supply unit(100) for receiving an AC power through an adopter and supplying power; a terminal accommodation unit(400) for accommodating a terminal for charging a battery of the terminal; a charging unit(200) for charging the battery of the terminal with the power output from the power supply unit; a sensing unit(500) for sensing the completion of charging of the battery; and a control unit(600) for cutting off supply of the charging power and controlling the terminal accommodation unit to release the terminal, when the completion of charging of the battery is sensed by the sensing unit.
Patent KR-20020018107-A (KR)
Inventor: FUJIOKA SHINYA
IPC: G11C11/401
Filed: 2001-08-29
Abstract: PURPOSE: A semiconductor device provided with a memory is provided to stably maintain a ground potential even when a plurality of word lines are driven at one time. CONSTITUTION: A semiconductor device provided with a memory includes a pair of memory cell arrays(10a,10b) and a precharge controller(12). Two memory cell arrays(10a,10b) are connected to a row decoder. Each of the memory cell arrays(10a,10b) has a plurality of memory cells MC arranged in rows and columns. The memory cells MC are connected to word lines WL extending from the row decoder and bit lines BL. Each of the bit lines BL has a pair of bits over which read or write data D, /D is transferred. The memory cell arrays(10a,10b) are obtained by dividing a memory cell array into two. Thus, word lines WL which are precharged at one time are divided into two groups.
Patent KR-20030018872-A (KR)
Inventor: KIM YANG GU
IPC: F16K51/00
Filed: 2001-08-31
Abstract: PURPOSE: A solenoid valve filter capable of recombining is provided to reduce replacement costs by permitting the solenoid valve filter to be independently recombined from the valve if necessary. CONSTITUTION: A solenoid valve filter(100) comprises a vacuum inlet unit(10); a vacuum outlet unit(20); a control unit(30) for controlling the vacuum pressure introduced through the vacuum inlet unit; an atmosphere opening port(40) connected to the atmosphere so as to control the amount of the vacuum pressure; and a filter(50) for filtering foreign substances being introduced into the atmosphere opening port. The filter is arranged to be capable of recombining from the atmosphere opening port. The atmosphere opening port has an outer surface with a female screw, and the filter has a male screw, thus permitting the filter to be screw-coupled to the atmosphere opening port.
Patent KR-20020020209-A (KR)
Inventor: KATO YOSHIHARU
IPC: H01L27/092
Filed: 2001-09-05
Abstract: PURPOSE: To provide an internal power source supply circuit of a semiconductor memory in which an increase of chip size can be prevented while preventing the occurrence of defect of refreshing. CONSTITUTION: A first power source circuit 16 drops first external power source VCCex1 and supplies it to an internal circuit 19 as an internal power source VBccin in a normal operation mode. A second power source circuit 20 short- circuits a second external power source Vccwx2 being lower than the first external power source Vccex2 and the internal power source Vccin in a self- refresh mode. A detecting circuit 10 detects entry for the self-refresh mode and input of the second external power source Vccex2 for data retention operation and outputs a detecting signal ∮DR. The second external power source Vccex2 and the internal power source Vccin are simultaneously short-circuited in the first and second power source circuits 16, 20 based on the detecting signal ∮DR of the detecting circuit 10.
Patent KR-20020021346-A (KR)
Inventor: BROWNLOW MICHAEL JAMES
IPC: G02F1/133
Filed: 2001-09-13
Abstract: PURPOSE: An active matrix display device is provided to reduce the cost of designing and manufacturing by reducing the area of a digital data driver. CONSTITUTION: An active matrix display comprises an active matrix(1) and a digital data driver formed on a common substrate(100) by a common integration process. The driver comprises a serial-to-parallel converter(20) having m registers forming at least one set for storing display data for m picture elements. m is less than the number M of data lines of the matrix 1. The outputs of the registers are connected to m digital/analog converters(21) of which outputs are connected to m bus lines of an m phase analog driver(22) in the form of a switching network. The switching network connects in turn groups of m physically adjacent data lines of the matrix 1 to the m bus lines, respectively.
Patent KR-20030023935-A (KR)
Inventor: KIM SI DEOK
IPC: H04W76/06
Filed: 2001-09-14
Abstract: PURPOSE: A call change method of link disconnection time in a BSC(Base Station Controller) is provided to maintain the continuity of the call when the link is disconnected by switching the conventional call to an available link through a transport layer recomposition when the link connected to a BTS(Base station Transceiver Subsystem) is disconnected. CONSTITUTION: A B link interface unit of a BSC monitors the state of a B link connected to a BTS, and notifies the state of the B link to a state management unit periodically or whenever an event is generated(S31). The state management unit compares B link state information notified from the B link interface unit with previous B link state information(S32), and confirms whether the B link is disconnected(S33). If the B link is disconnected, the state management unit notifies the disconnection of the B link to a resource assigning unit(S34). The resource assigning unit confirms whether a B link with an available state connected to the BTS exists(S35). If the B link with the available state connected to the BTS exists, the resource assigning unit recomposes a transport layer and switches a call assigned in the disconnected B link to the B link with the available state using a conventional method for switching an ATM(Asynchronous Transfer Mode) VCC(Virtual Channel Connection)(S36). The resource assigning unit confirms whether a frame offset repetition is generated for assuring the speech quality of the call switched to the new link B(S37). If the frame offset repetition is generated, the resource assigning unit performs a frame offset hand-off about the call switched to the new B link(S38).
Patent KR-20020022595-A (KR)
Inventor: KIMURA YOSHINORI
IPC: H01S5/323
Filed: 2001-09-19
Abstract: PURPOSE: To provide a III nitride-based semiconductor light emitting device which is improved in light emitting characteristic without increasing the manufacturing cost. CONSTITUTION: This III nitride-based semiconductor light emitting device contains an n-side AlGaN clad layer, n-side guide layer, active layer, p-side guide layer, and p-side AlGaN clad layer. The refractive index 8 of the p-side guide layer is larger than that 5 of the n-side guide layer.
Patent KR-20030025607-A (KR)
Inventor: KIM JAE HYEON
IPC: H04N7/20
Filed: 2001-09-21
Abstract: PURPOSE: A home server set-top box is provided to record image data received through a satellite by using a hard disk of a PC or an external hard disk, and watch a satellite wave TV, a ground wave TV, and a CATV without an extra receiving card. CONSTITUTION: A tuner part receives broadcasting signals from a broadcasting network(20). An STB control part generally controls a home server set-top box(30), and executes a router function of connecting electric home appliances and a PC(60) to the Internet(10). A memory part stores data applied to the STB control part and stores an object control server program. A remote controller control part applies an infrared control signal transmitted from a remote controller(70) to the STB control part. An I/O interface interfaces the STB control part to a local hard disk. The local hard disk stores broadcast data compressed in MPEG2 according to control of the STB control part. An ECI(Ethernet Control Interface) connects the STB control part, the PC, an external hard disk(40) and the Internet.
Patent KR-20030030578-A (KR)
Inventor: SUNG BAK HEUNG
IPC: F23G5/00
Filed: 2001-10-11
Abstract: PURPOSE: A thermal power generation method by using an antipollution incinerator with sludge coal and polymer material is provided to prevent environmental pollution, and to reduce energy consumption by manufacturing sludge coal with sludge from waste and generating power with the incinerator. CONSTITUTION: Sludge coal is manufactured by using waste material, and gas is generated by using the sludge coal and polymer materials. Gas cracking is performed actively by heating with using gas from the gas generator. Heat is recycled to the maximum in burning at high temperature, and a turbine(45) is rotated by generating steam. Harmful exhaust gas of a cyclone heating system(32) is regulated. Heat from a heat exchanger is supercooled, and gas is purified by liquefying gas with water. Environmental pollution is prevented by manufacturing sludge-derived coal and generating power with the antipollution incinerator.
Patent KR-20030031329-A (KR)
Title: Method for transmitting a packet data in Communication System
Inventor: KIM YEONG CHO
IPC: H04B7/26
Filed: 2001-10-13
Abstract: PURPOSE: A method for transmitting packet data in a communication system is provided to operate CDM/TDM(Code Division Multiplexing/Time Division Multiplexing) and to transmit Walsh code information to terminals, so as to reduce the waste of available resources and secure efficient power use on the transmission of the Walsh code information. CONSTITUTION: Specific numbers are designated every bit necessary for Walsh code information used in data transmission. A tail bit is added to indicate an endpoint state of data encoded from input data. The data to which the tail bit is added are encoded by differentiating encoding rates in accordance with the bits. The encoded data are transmitted to a control channel for the data transmission. The data are signal-processed and transmitted. An error detection code is added to the data to be transmitted by differentiating initial values of a shifting register in accordance with the bits, to be provided as the input data.
Patent KR-20020033431-A (KR)
Title: Process for preparing electrically conductive pigments
Inventor: GLAUSCH RALF
IPC: H01B1/08
Filed: 2001-10-18
Abstract: PURPOSE: A process for preparing electrically conductive pigments by coating a tin mixed oxide layer doped with F¬- and/or PO4¬-3 as an electrically conductive layer to a substrate is provided, which produces the electrically conductive pigments having acceptable resistance simply and inexpensively. CONSTITUTION: A hydrolyzable tin compound (IV) is added to an aqueous solution containing a substrate in a shape suspended at a pH and temperature for completing hydrolysis of a tin compound to produce a substrate coated by tin oxide hydrate, the substrate is separated from the suspension, if desired, washed, dried and then calcined at 600 to 1,000deg.C to produce a substrate coated with SnO2. In an additional process, the SnO2 layer is converted into a tin mixed oxide layer doped with F¬- and/or PO4¬-3.
Patent KR-20030033386-A (KR)
Title: A preparing process for iohexol
Inventor: BAEK DONG RYEOL
IPC: C07F13/00
Filed: 2001-10-22
Abstract: PURPOSE: Provided is a process for preparing iohexol by using ethanol or dimethylacetamide as a reaction solvent, thereby rapidly and simply preparing the iohexol in higher yield. CONSTITUTION: A process for preparing iohexol of the formula(1) comprises the steps of: dissolving N,N' - bis £2,3 - dihydroxypropyl| - 2,4,6 - triiodine - 5 - acetylamido isophthalamide and lithium hydroxide monohydrate in ethanol or dimethylacetamide; cooling the solution at 0 to 4 deg. C; and adding 3-chloro-1,2-propanediol into the solution and reacting them to crystalize iohexol, wherein lithium hydroxide monohydrate is added in an amount of 0.5 to 2.5 moles per 1 mole of N,N' - bis £2,3 - dihydroxypropyl| - 2,4,6 - triiodine - 5 - acetylamido isophthalamide; the volume of ethanol or dimethylacetamide used is 1.2 to 1.4 times of 1 mole of N,N' - bis £2,3 - dihydroxypropyl| - 2,4,6 - triiodine - 5 - acetylamido isophthalamide; 3-chloro-1,2-propanediol is added in an amount of 0.5 to 2.5 moles per 1 mole of N,N' - bis £2,3 - dihydroxypropyl| - 2,4,6 - triiodine - 5 - acetylamido isophthalamide; and the reaction is carried out at 0 to 60 deg. C for 25 to 37 hours.
Patent KR-20030040723-A (KR)
Inventor: LEE EUN CHEOL
IPC: G09G3/296
Filed: 2001-11-15
Abstract: PURPOSE: A plasma display panel is provided to reduce power consumption and installation cost by reducing the number of switching elements, while reducing the address period. CONSTITUTION: A plasma display panel comprises first electrodes(Y1 to Ym) formed on an upper portion(44) and a lower portion(46) of the plasma display panel; and first to third switching units(42a,42b,42c) included in the first sustain driving unit(40), and which simultaneously drive the first electrodes formed on the upper and lower portions of the panel. The number of switching units corresponds to the number of the first electrodes formed on the upper or lower portion of the plasma display panel. Each of switching units includes the first switch(S1) connected to a scan voltage source(Vs), and the second switch(S2) connected to a ground voltage source(GND). Both the first switch and the second switch are connected to the first electrodes.
Patent KR-20030041440-A (KR)
Title: Apparatus for locking a door of an automobile
Inventor: JUNG OK TAE
IPC: E05B77/44
Filed: 2001-11-20
Abstract: PURPOSE: A door lock device for vehicle is provided to prevent an unlocking operation of a door by separating a cable into the first cable and the second cable and injecting the oil into the inside of a bush. CONSTITUTION: A bush(100) is supported by a holder(2) of the inside of a door latch cover(1). A guide hole(110) is formed at the inside of the bush. The first cable(200) is connected with a door handle. The first cable is connected with the inside of the bush through the inside of a cable tube(4). The second cable(300) is located at a position apart from the first cable of the inside of the bush. The second cable is connected with an operating lever(50) of the door latch. Oil(400) is injected into the inside of bush between the first and the second cables.
Patent KR-20020042493-A (KR)
Inventor: HIGASHIYAMA KENJI
IPC: H01K1/24
Filed: 2001-11-29
Abstract: PURPOSE: An infrared lamp is provided to reduce manufacturing cost and considerably improve a production yield without hanging down during heating by using the heating element. CONSTITUTION: The carbon-based heating element of the infrared lamp is reheated at 1800°C, thereby producing a wire-shaped carbon-based heating element(1) having a diameter of 1.55mm, made of a sintered body including a carbon-based substance and having a change rate of 6.8%. Internal lead wires(4a,4b) each formed of a molybdenum wire are attached to respective ends of the carbon-based heating element(1) at coil-shaped portions(3a,3b) formed at ends of the internal lead wires(4a,4b) so as to be screw-connected to the ends of the carbon-based heating element(1) with tight fit. The internal lead wires(4a,4b) have coil spring portions(5a,5b), respectively, each having at least one turn. The other ends of the internal lead wires(4a,4b) are connected to one ends of molybdenum foils(6a,6b) having a thickness of 20 micrometer, respectively. External lead wires(7a,7b) each formed of a molybdenum wire are welded to the other ends of the molybdenum foils(6a,6b), respectively.
Patent KR-20030045322-A (KR)
Title: Independent electric charging equipment for a cellular phone battery
Inventor: CHOI WOO GAK
IPC: H02J7/00
Filed: 2001-12-03
Abstract: PURPOSE: An auto charge device is provided to be capable of charging a battery using the auto charge device installed at a hand-held battery without limitation of a place when a battery power is consumed. CONSTITUTION: A receiving space part(4) is formed in a case(6), and a drawing part(5) is formed at an outer side of the case. A handle(20) is installed at a fixing pin(8), and is operated by an elastic force of a spring(7) so as to become input and output via the drawing part of the case. A segment gear(21) is formed at a top of the handle and a lengthwise seizing unevenness(22) and a fixing groove(23) are formed at one side of the handle. A power transfer part(60) consists of a plurality of gears and fly wheels which are engaged and rotated with the segment gear. A small-sized generator(70) receives a rotation force from the power transfer part and generates an electricity. An auto charge device(100) consists of a recharge battery which is charged by the electricity generated by the generator(70).
Patent KR-20030049186-A (KR)
Inventor: BAE SEONG HO
IPC: G11C7/00
Filed: 2001-12-14
Abstract: PURPOSE: An apparatus for generating a power-up signal is provided to stabilize operations of a memory device by activating a power-up signal for initialization after an external supply voltage is stabilized. CONSTITUTION: An apparatus for generating a power-up signal includes a level sense portion(300), a pulse generation portion(310), a delay portion(320), and a power-up signal generation portion(330). The level sense portion receives an external supply voltage and outputs a level sense signal according to a level of the received external supply voltage. The pulse generation portion receives the level sense signal and generates a pulse for generating a power-up signal. The delay portion receives an output of the pulse generation portion, delays the received output of the pulse generation portion during a predetermined time, and outputs the delayed output of the pulse generation portion. The power-up signal generation portion receives the level sense signal and an output signal of the delay portion and generates the power-up signal.
Patent KR-20030049193-A (KR)
Title: Polyethylene resin composition for sewage pipes with high intensity against external pressure and the sewage pipe manufactured therefrom
Inventor: LEE YONG BOK
IPC: E03F3/04
Filed: 2001-12-14
Abstract: PURPOSE: Provided is a polyethylene resin composition for a drain pipe, which has improved external pressure resistance, and the drain pipe produced by using the polyethylene resin composition. CONSTITUTION: The polyethylene resin composition is produced by melting and mixing 100pts.wt. of a high density polyethylene, 1-10pts.wt. of a layered type organized montmorillonite, and 5-30pts.wt. of a compatibilizer grafted with an ethylene-based unsaturated carboxylic acid, an ethylene-based unsaturated carboxylic acid ester, or an ethylene-based unsaturated carboxylic acid anhydride on the main chain of a polyethylene, wherein the high density polyethylene has a melt index of 0.5-5g/10mim(ASTM D1238, 190deg.C, 5kg) and a density of more than 940kg/m3(ASTM D1505, 23deg.C). And the drain pipe is produced by using the polyethylene resin composition.
Patent KR-20020051888-A (KR)
Inventor: DEMEL WALTER
IPC: G03B1/24
Filed: 2001-12-22
Abstract: PURPOSE: An equipment for a film transport is provided to exactly position films by exposure time and manufacture the films at a low cost. CONSTITUTION: Conveyance rollers(2) have two gear rims(3a,3b). The teeth of the one gear rim(3a) abut on both flanks(5) of the perforations of the film with respect to the transport direction of the film(1) and is on the other hand parted from a prescribed distance from other both flanks of the perforations with respect to the direction perpendicular to the transport direction. The teeth of the other gear rim(3b) abut on both flanks of the perforations of the film with respect to the transport direction of the film and is on the other hand parted from a prescribed distance from other both flanks of the perforations with respect to the transport direction.