baber/WOPTO huggingface dataset:
Patent KR-20030068287-A (KR)
Inventor: BAE CHANG SU
IPC: G09F13/16
Filed: 2002-02-14
Abstract: PURPOSE: An electronic display board using a light guide panel and an LCD panel is provided to obtain various effects by using a sequentially controlled LCD panel and the light guide panels of various shapes. CONSTITUTION: An electronic display board using a light guide panel and an LCD panel includes a light guide panel(1), an LCD panel(2), and an illuminating lamp(3). A displaying portion(5) is formed on a front side of the light guide panel. A reflective layer(9) is formed on a rear side of the light guide panel. A plurality of display cells(2'A,2'B,2'C,2'D,2'E,2'F) are formed on the LCD panel. The LCD panel is adhered on one side or plural sides of the light guide panel(1). The illuminating lamp is installed on a rear side of the LCD panel. The display cells are sequentially controlled by a sequence control circuit.
Patent KR-20020071452-A (KR)
Inventor: KURODA KEIJI
IPC: H01R12/55
Filed: 2002-02-19
Abstract: PURPOSE: To prevent deformation of contacts fixed to an insulation housing at a lower position than first electric contacts and the legs of second electric contacts having legs extending from the contact toward a rear side of the insulation housing and then heading forward along the bottom face of the insulation housing. CONSTITUTION: The horizontal electric connector 100 is provided with an insulation housing 110, first electric contacts 120 equipped with contacts 121 press fitted into it and contacting a counterpart conductive part and legs 122 extended from the contact and getting out to the rear side of the insulation housing and coming down, second electric contacts 130 equipped with contacts press fitted into the insulation housing from behind at a position lower than the first electric contacts and contacting the counterpart conductive part and legs 132 extended from the contacts and directed forward along the bottom face of the insulation housing after getting out to its rear side, and leg support part 140 equipped at the bottom of the insulation housing and for the leg of the second electric contact to get press fitted into from behind.
Patent KR-20030075072-A (KR)
Title: The production of spherical polyethylene particle by emulsion crystallization
Inventor: KIM CHEOL UNG
IPC: C08F2/28
Filed: 2002-03-15
Abstract: PURPOSE: Provided is a method for producing spherical polyethylene powder which excludes the need for production of a polymerization catalyst, and simplifies the processing steps to save the costs and to improve the productivity. CONSTITUTION: The method for producing spherical polyethylene powder comprises the steps of: (a) dissolving a polyethylene into a good solvent to form a transparent and homogeneous solution; (b) heating a non-solvent which cannot dissolve polyethylene in a separate container at a temperature higher than the melting temperature of polyethylene; (c) mixing the homogeneous solution of the step (a) with the heated non-solvent of the step (b); (d) cooling the mixture to a temperature lower than the crystallization temperature of polyethylene to form an emulsion; and (e) separating and filtering the emulsion, removing the remaining good solvent and non-solvent with a washing solvent and then drying. The apparatus for producing spherical polyethylene powder comprises the means(1) for dissolving the polyethylene into the good solvent; a means(2) for heating the non-solvent; an agitated crystallizing device(3) for mixing the good solvent with the non-solvent; a filter(4) for recovering spherical polyethylene particles; and a separator(5) for recycling the remaining polyethylene.
Patent KR-20020084896-A (KR)
Title: Solder reflow oven
Inventor: CHENG CHI WAH
IPC: B23K1/008
Filed: 2002-03-27
Abstract: PURPOSE: A solder reflow oven is provided to easily be incorporated into a BGA manufacturing process, and achieve a small, simple and relatively low-cost. CONSTITUTION: A solder reflow oven comprises input means(1) for introducing components into the oven, a processing chamber(2) within which the components are subject to a solder reflow process, and output means(3) for discharging components from the oven for further processing or handling, and means for transferring the components through the processing chamber in a first direction towards the output means wherein the processing chamber comprises a plurality of heating and cooling zones arranged with a constant pitch in the first direction, and wherein the transferring means is adapted to move the components in the first direction in stages, with each component moving a distance equal to the pitch between two zones in each stage, whereby the components are moved from zone to zone in stages.
Patent KR-20020036982-A (KR)
Inventor: KIM TAE WOONG
IPC: G09F27/00
Filed: 2002-03-28
Abstract: PURPOSE: Provided is a large balloon glove for luminescent hand signals which has a conspicuous color and a luminescence and is capable of preventing an accident at both daytime and night. CONSTITUTION: The large balloon glove(1) for luminescent hand signals has (i) a large glove structure of air inflated tube type, which is capable of being worn on hand; (ii) a structure having a power saving illuminant(2), which stands out well at night; and (iii) a structure having an outer color which stands out well at daytime and reflects light at night.
Patent KR-20030079323-A (KR)
Title: HIGH SELECTIVE Ag ETCHANT-2
Inventor: SONG HYEONG SU
IPC: C23F1/30
Filed: 2002-04-03
Abstract: PURPOSE: A high selectivity silver(Ag) etchant is provided, which is environmentally friendly, has proper etching ratio and side etching amount and particularly has not any IZO attack by containing a large amount of water and 0.5 to 10 wt.% of Fe¬3+ salt compound as oxidizer. CONSTITUTION: The silver(Ag) etchant comprises 0.5 to 10 wt.% of Fe¬3+ salt compound; 0.1 to 12 wt.% of HNO3; 3 to 15 wt.% of CH3CO2H; 0.01 to 3.0 wt.% of corrosion inhibitor; and a balance of water, wherein the Fe¬3+ salt compound is selected from the group consisting of FeCl3, Fe(NO3)3, NH4Fe(SO4)2 and Fe2(SO4)3, and wherein the corrosion inhibitor is a compound selected from the group consisting of m-toluylenediamine, ethylenediaminetetraacetate(EDTA), hexamethylenetetraamine(HMTA), triethylenetetraamine(TETA), octylamine, tetra methylene tetramine(TMTA), benzotriazole(BTA), 5-aminotetrazole(5-ATZ) and triazole.
Patent KR-20020079460-A (KR)
Title: Electric washing machine
Inventor: ARAKI YASUSHI
IPC: D06F33/02
Filed: 2002-04-04
Abstract: PURPOSE: An electric washing machine is provided to save the quantity of the detergent to be used by realizing a washing course without using the detergent. CONSTITUTION: An electric washing machine has a wash tub(2) housing the laundry; a water current generating unit(7) generating a water current in the wash tub; a water treatment unit(31) giving cleaning ability without mixing a detergent by performing a special treatment to water supplied to a cleaning tub; a memory unit memorizing the sequence of a first washing course and a second washing course; a selection unit for a user to select the first and second washing courses; and a control unit controlling motions of the water current generating unit and the water treatment unit by the sequence of the course selected by the selection unit and performing washing operation of the washing course. In the sequence of the first washing course, water current is generated in the wash tub keeping the detergent liquid made by mixing the detergent to water and the laundry is laundered. In the sequent of the second washing course, a water current is generated in the wash tub keeping the cleaning liquid made by making the water have cleaning ability by a treatment of the water treatment unit, and the laundry is laundered without using the detergent.
Patent KR-20030081991-A (KR)
Title: The organic electro-luminescence device and method for fabricating of the same
Inventor: KIM CHANG YEON
IPC: H05B44/00
Filed: 2002-04-15
Abstract: PURPOSE: An organic electroluminescence device and a manufacturing method thereof are provided to improve the opening ratio by forming a power wiring for supplying current to a luminous layer with a layer and a material identical to those of a gate wiring in parallel. CONSTITUTION: A gate wiring(117) and a data wiring(126) cross to each other on a substrate(100) to define a pixel unit. A switching device is provided on a cross region of the gate wiring(117) and the data wiring(126) and includes a gate electrode(122), an active layer, a source electrode(138), and a drain electrode(140). A driving device includes a gate electrode(120) contacted to the drain electrode(140) of the switching device, an active layer provided on a lower portion of the gate electrode(120), and a source electrode(134) and a drain electrode(136) contacted to the active layer. A power wiring(124) is contacted to the source electrode(134) of the driving device. The power wiring(124) is parallel with the gate wiring(117). A first electrode is contacted to the drain electrode(136) of the driving device and provided on the pixel unit.
Patent KR-20020034142-A (KR)
Inventor: KIM BYUNG KI
IPC: B65D41/00
Filed: 2002-04-17
Abstract: PURPOSE: Provided is a dual airtight structure in a small- and medium-sized vessel and a stopper made from plastics which uses one stopper to implement the dual airtight structure so that it helps to simplify the dual airtight structure. CONSTITUTION: The dual airtight structure in the small- and medium-sized vessel and the stopper made from the plastics comprises the parts of: a vessel(1) which includes a male screw part(3) at the external circumference side of a bottleneck part(2), a taper at the internal circumference side of the bottleneck part, a female screw part(4) at the upper edge of the taper side and a combination projection(5) at the upper edge of the bottleneck part; and the stopper(6) which includes an external stopper(7) to get a female screw part(8) corresponding to the male screw part at the external circumference, an internal cover(9) to get a male screw part(10) and a combination groove(11) to combine the combination projection with the stopper.
Patent KR-20030083267-A (KR)
Title: Method and system for digital voice communication
Inventor: AHN JEONG CHEOL
IPC: H04L12/66
Filed: 2002-04-20
Abstract: PURPOSE: A method for performing digital voice communication is provided to transceive a voice by using a data communication service method between a wire terminal and a wireless terminal without correcting a mobile communication system of a communication provider, thereby enhancing clear and safe voice quality. CONSTITUTION: A wireless terminal(40) performs a voice communication service and a data communication service by using a CDMA system. A mobile communication network(42) transmits data between the wireless terminal(40) and an IWF(44). The IWF(44) processes data connections between the mobile communication network(42) and a wire communication network(46). The wire communication network(46) transmits data between the IWF(44) and a wire terminal(48), and includes an exchange. The wire terminal(48) comprises as follows. A voice communication processor(48d) performs the voice communication service. A vocoder(48a) encodes/decodes a voice signal/voice data. An input/output unit(48b) inputs/outputs the voice data. A controller(48c) determines to perform either of the voice communication service and the data communication service.
Patent KR-20030083388-A (KR)
Title: control system of variable line pressure for an automatic transmission
Inventor: LIM GI BIN
IPC: F16H59/00
Filed: 2002-04-22
Abstract: PURPOSE: A variable control device of line pressure for an automatic transmission is provided to minimize driving loss, and to increase fuel efficiency by reducing the part among driving force for operating an oil pump with adjusting line pressure from the oil pump according to vehicle speed and the opening degree of a throttle valve. CONSTITUTION: A variable control device of line pressure for an automatic transmission comprises a regulator valve(14) receiving oil from an oil pump(12) and regulating pressure, and a proportional control solenoid valve(52) controlled by a transmission control unit to variably regulate line pressure from the regulator valve according to driving condition and output the variable signal pressure. The proportional control solenoid valve has a line pressure applying pipe branching from a main pipe supplying line pressure from the regulator valve, and a signal pressure applying pipe supplying signal pressure to a reaction force chamber. An auxiliary pipe is installed in the signal pressure applying pipe to stabilize signal pressure by returning control pressure to the proportional control solenoid valve, and an orifice is installed in the auxiliary pipe to prevent vibration to the signal pressure supplied to the reaction force chamber.
Patent KR-20030086123-A (KR)
Title: User interface method for portable communication terminal
Inventor: AHN SEON HWAN
IPC: H04B1/40
Filed: 2002-05-03
Abstract: PURPOSE: A user interface method in a portable communication terminal is provided to easily navigate menus or a wireless Internet using a mouse pointer, not the scroll buttons of the keypad of a portable communication terminal. CONSTITUTION: A user interface consists of icons(20), a mouse pointer(10), direction buttons(40), and soft buttons(30). The icons(20) indicate frequently used functions, such as the SMS, an address book, the Internet, etc. The mouse pointer(10) is to indicate a desired icon(20). The direction buttons(40) are to move the mouse pointer up and down and right and left. The soft buttons(30) serve as the right and left buttons of the mouse at a point where the mouse pointer(10) indicates.
Patent KR-20030087119-A (KR)
Title: Tm ION-DOPED SILICATE GLASS AND THE USE THEREOF
Inventor: CHO DU HUI
IPC: C03C13/04
Filed: 2002-05-06
Abstract: PURPOSE: Provided are thulium ion(Tm3+)-doped silicate glass excellent in fluorescence emission at 1.4micrometer, durability and water resistance, formation of optical waveguides, and connectivity properties of transmission optical fiber. CONSTITUTION: The Tm3+ doped silicate glass is characterized by doping 0.01-1mol% of Tm3+ ion to a glass composition consisting of 65-95mol% of SiO2, metal(II) oxides containing one or more of ZnO, BaO, SrO and PbO, 1-15mol% of metal(IV) oxide containing one or two of SnO2 and TiO2, wherein 3-30mol% of oxygen(O) in the glass composition is substituted for fluorine(F). Also, 0.5-5mol% of at least one selected from K2O, Rb2O3 and Cs2O, and 1-15mol% of one or two of In2O3 and Sb2O3 are added to the above glass composition. The resultant silicate glass is used for laser resonator, optical fiber laser, optical fiber amplifier, and planar waveguide optical amplifier.
Patent KR-20030052945-A (KR)
Inventor: IM JIN SOO
IPC: F21S8/00
Filed: 2002-05-10
Abstract: PURPOSE: A device is provided to replace a street lamp bulb in an easy and convenient manner by lowering the street lamp to the ground during the replacement through the use of a winding reel and a driving shaft. CONSTITUTION: A lamp pole has plates(50) mounted within the lamp pole, and first and second winding reels(10,12) having wheels(10a,12a) and a driving shaft(14) having a driving gear(13) are fitted into the plates. A key(26) is inserted into or released from a hole(28) formed at the lower portion of the wheel of the second winding reel. The first and second winding reels have first and second holes(32,30) formed at the tops thereof, respectively, so as to allow first and second cables to be inserted into the first and second holes, respectively. The first and second winding reels operate when the driving shaft operates, to thereby wind or unwind the first and second cables.
Patent KR-20030089152-A (KR)
Title: Lamp fixing device for plasma lighting system
Inventor: LIM DONG NYEONG
IPC: H01J65/00
Filed: 2002-05-16
Abstract: PURPOSE: An electrodeless bulb coupling apparatus is provided to protect the bulb motor from the heat generated from the electrodeless bulb. CONSTITUTION: An electrodeless lamp comprises a microwave generator; an electrodeless bulb(5) accommodated into the resonator communicated to the microwave generator and encapsulated with a material for emitting a light by the microwave generated from the microwave generator; and a connection member(100) for connecting the electrodeless bulb to a bulb motor(M1) which rotates the electrodeless bulb at a constant speed. The connection member is constituted by a heat insulation material for preventing the heat generated from the electrodeless bulb from being transferred to the bulb motor.
Patent KR-20030091309-A (KR)
Title: Structure for reducing length of starting key for vehicle
Inventor: LEE JAE GYU
IPC: B60R25/021
Filed: 2002-05-27
Abstract: PURPOSE: An ignition key bundle for a vehicle is provided to easily fabricate a crush pad and instrument panels as a module by positioning a locking lever, a stopper plate and a push rod at an inward direction of the ignition key bundle. CONSTITUTION: A pusher(90) is hinged to an inner portion of a rotor(10a) in such a manner that the pusher(90) is rotatable in forward and reverse directions. A push rod(20a) is inserted into a rear side of the rotor(10a). A knob(22) is integrally formed with a front portion of the push rod(20a). Slide surfaces are formed at a middle portion and a rear portion of the push rod(20a). A slide piece(14a) is positioned on a slide surface in such a manner that the slide piece(14a) makes surface-contact with the sidle surface of the push rod(20a). A middle portion of a locking lever(70a) is fixed to an ignition key bundle by means of a hinge(76).
Patent KR-20030091333-A (KR)
Title: Liquid crystal display panel and fabricating method thereof
Inventor: KIM SU MAN
IPC: G02F1/136
Filed: 2002-05-27
Abstract: PURPOSE: A liquid crystal display panel and a method for manufacturing the same are provided to prevent static electricity from flowing into a driving circuit and a thin film transistor array. CONSTITUTION: A video display unit includes liquid crystal cells formed at every area assigned by a plurality of signal lines(DL1-DL4), and thin film transistors connected between the signal lines and the liquid crystal cells. A plurality of anti-static active patterns(58) are formed at input parts of control lines(CL1-CL4) supplying external input signals to the video display unit, and are overlapped with the control lines, having a gate insulating film therebetween. If static electricity is flowed into, the plurality of anti-static active patterns induce breakdown at the gate insulating film to interrupt the static electricity.
Patent KR-20030095652-A (KR)
Title: Propulsion pipe for using a pipe propulsion technique
Inventor: MUN MYEONG IL
IPC: F16L9/08
Filed: 2002-06-12
Abstract: PURPOSE: A thrust pipe for pipe roof construction is provided to decrease working hours and costs by excavating a minimum area in a minimum working space, to reduce public grievance in the neighborhood, and not to have an influence on a thrust pipe according to works. CONSTITUTION: The thrust pipe(100) for pipe roof construction, as a reinforced concrete structure formed by arranging main bars(120) and reinforcing bars in concrete(110), contains an opening(140) formed on the side and coupled with a cover(150), and a sealing member(160) installed to the opening(140) to seal up a joint between the opening(140) and the cover(150).
Patent KR-20020059309-A (KR)
Inventor: KIM CHILL SU
IPC: G04F10/04
Filed: 2002-06-18
Abstract: PURPOSE: A method for measuring accurate time using frequency conversion is provided to measure accurately a time by minimizing errors included in various signal processing. CONSTITUTION: Each waves transferred from the same wave source is converted to electric signals and the electric signals are amplified(S1). An input frequency is converted to a high frequency by using a PLL(Phase Locked Loop) or the high frequency is converted to a low frequency by using a frequency mixer(S2). The converted frequency signals are amplified to an arbitrary bandwidth(S3). The amplified analog signals are converted to digital signals and the digital signals are stored temporarily(S4). The signal frequencies are converted to time units by performing an operation for the stored signals(S5). The time between the measured signals and a transmission process to other devices are displayed(S6).
Patent KR-20040000700-A (KR)
Title: Method of etching an interlayer insulating film in a semiconductor device
Inventor: RYU SANG UK
IPC: H01L21/311
Filed: 2002-06-25
Abstract: PURPOSE: A method for forming an interlayer dielectric of a semiconductor device is provided to be capable of preventing hole poisoning and facet phenomenon caused by using an organic interlayer dielectric. CONSTITUTION: After forming an interlayer dielectric(12) on a semiconductor substrate(11), the first and second trench(15A,15B) having different width are formed by selectively etching the interlayer dielectric. A sacrificial spacer(16) is formed at both sidewalls of the first and second trench. By forming an insulating layer(17) on the resultant structure and blanket etching of the insulating layer, the interlayer dielectric(12) is exposed via the first trench(15A) and the second trench(15B) is filled into the insulating layer(17). The exposed interlayer dielectric is etched so as to form a hole(18). The insulating layer and the sacrificial spacer are removed.
Patent KR-20040002249-A (KR)
Title: Apparatus for transferring data using transmit antenna diversity scheme in packet service communication system and method thereof
Inventor: KIM SEONG JIN
IPC: H04W24/10
Filed: 2002-06-29
Abstract: PURPOSE: An apparatus and a method for transmitting data by a transmission antenna diversity type in a packet service communication system are provided to maximize transmission capacity in the packet service communication system. CONSTITUTION: A feedback information analyzing unit(128) analyzes feedback information including channel state information and antenna weight values received from UE(User Equipments) which request a packet data service. A weight value generating unit(130) classifies the antenna weight values according to analyzed feedback information, and generates antenna weight value groups. The weight value generating unit(130) detects maximum channel quality information from each antenna weight value group, and adds maximum channel quality information of each antenna weight value group so that orthogonality is established between the antenna weight value groups. The weight value generating unit(130) generates antenna weight values having maximum channel state information as weight values with respect to antennas among the added values. A transmitter applies each antenna weight value, and transmits packet data.
Patent KR-20040002316-A (KR)
Title: Acacia leaf extracts which is used herbicide of the lawn
Inventor: TAE HYEON SUK
IPC: A01N65/20
Filed: 2002-06-29
Abstract: PURPOSE: Provided is an Acacia leaf extract used as a herbicide in the lawn. It is excellent herbicidal effect on the lawn without affecting the growth of lawn. CONSTITUTION: An Acasia leaf extract is obtained by the steps of: immediately mixing collected Acasia leaves with distilled water; and pulverizing the mixture using liquified nitrogen, followed by double-boiling with distilled water and filtration.