baber/WOPTO huggingface dataset:
Patent KR-20020012835-A (KR)
Title: Ink cartridge life time instrumentation system of ink jet printer
Inventor: LEE JEONG JIN
IPC: B41J2/135
Filed: 2000-08-09
Abstract: PURPOSE: An apparatus for measuring residual life of ink cartridge for ink jet printer is provided to achieve an improved user convenience by arranging a circuit for cumulatively counting the number of uses and amount of ink injection. CONSTITUTION: An apparatus comprises an ink head nozzle(200) constituted by a micro-actuator, and which discharges ink in accordance with the driving signal of the pulse waveform being applied; a nozzle driving unit(100) for applying a driving signal to the ink head nozzle in accordance with the control signal being inputted; a counter(300) for receiving a pulse waveform generated from the nozzle driving unit, and counting the frequency of ink discharge performed by the ink head nozzle; a reference data unit(400) for storing, as reference data, the amount of ink being discharged from the ink head nozzle through a single discharge; and a discharge amount counting unit(500) for receiving a signal output from the counter, making access to the data stored in the reference data unit, and cumulatively counting the amount of discharge accumulated from the reset time, by multiplying the data.
Patent KR-20020012854-A (KR)
Title: Bed for preventing bedsores
Inventor: CHO BUM RAE
IPC: A61G7/00
Filed: 2000-08-09
Abstract: PURPOSE: A medical bed is provided to allow the patient to change his/her posture at the bed by raising and lowering several portions of the bed mattress in cycle through the use of a driving member. CONSTITUTION: A medical bed comprises a bed mattress including an upper bed mattress(101) and a lower bed mattress(102); an operating plate unit disposed beneath the bed mattress, and constituted by a plurality of operating plates(121,122,123,124); a support unit(130) supporting the operating plates; a driving unit interposed between the support unit and the operating plate unit, and which drives the operating plate unit; and a control unit for controlling operation of the driving unit. The operating plates are connected to each other through a hinge(125). The operating plate unit has a width same as the width of the upper mattress and lower mattress. The support unit includes first to fourth tube receiving portions(140,141,142,143) formed to correspond to operating plates. Each of operating plates has a plurality of supporting rods(131) formed along the edge of each operating plate so as to support operating plates.
Patent KR-20010021325-A (KR)
Inventor: KAWASAKI YUKO
IPC: C22C38/00
Filed: 2000-08-16
Abstract: PURPOSE: A method for preparation of sintered permanent magnets is provided to exhibit an excellent magnetic property through potential characteristics of a crystalline mother alloy for permanent magnet containing a rare-earth element such as, Fe and B, as the essential components. CONSTITUTION: First, a method for preparation of sintered permanent magnets fully mixes fine powder of a crystalline mother alloy for permanent magnet containing a rare-earth element, such as Fe and B, as the essential components with fine powder of zinc oxide, and compacts and molds the resulted mixture in the presence of a magnetic field. Then, the compacted mixture is sintered in vacuum to cause generation of oxygen and metallic zinc by thermal decomposition of the zinc oxide, and a part of metallic component is segregated in the mother alloy at the boundary and inside of the mother alloy crystal. Simultaneously, amorphous metallic oxide is formed by forced oxidation of the segregated metal with the generated oxygen and is crystallized. Thereafter, an epitaxial junction is formed between the crystallized metallic oxide and the mother alloy crystal, and evaporation of the metallic zinc into the vacuum and quenching the sintered compact are executed.
Patent KR-20020014423-A (KR)
Title: A hollow copper wire and a cable using the hollow copper wire
Inventor: JUN YEONG GWON
IPC: H01B11/18
Filed: 2000-08-18
Abstract: PURPOSE: A hollow copper wire and a coaxial cable using the same are provided to improve power transmission capacity and signal transmission capacity and reduce cost for producing wire for transmitting electricity and signal. CONSTITUTION: A hollow copper wire includes a hollow having an inside hole extending lengthwise. The inside hole is concentric with the outer circle of the copper wire. The hollow may have many holes. A coaxial cable includes a hollow copper wire having a hollow extending lengthwise instead of a copper wire, an inner insulator formed around the hollow copper wire to be concentric with the hollow copper wire, a copper network formed around the inner insulator, and an outer insulator formed around the copper network. Another coaxial cable includes a hollow copper wire instead of the copper network. Another coaxial cable includes a hollow copper wires instead of the copper wire and the copper network.
Patent KR-20020014939-A (KR)
Title: Method for length indicator inserting in protocol data unit of radio link control
Inventor: LEE SEUNG JUN
IPC: H04W80/02
Filed: 2000-08-19
Abstract: PURPOSE: A method for processing a length indicator(LI) of protocol data unit(PDU) information in a radio link control(RLC) is provided, which can prevent an unnecessary insertion of an LI value, by applying whether to insert the LI value selectively. CONSTITUTION: When inserting an LI value indicating that the last segment of a prior SDU coincides with an end of the prior PDU while generating a PDU including a header and an LI group and data in the RLC, it is scanned whether there is an LI value indicating the last of the SDU in the present SDU and then an end of the corresponding SDU coincides with an end of the SDU. Or it is scanned whether the end of the PDU coincides with the end of the SDU when inserting the LI value to inform that the last part of the present SDU is a padding. If the two conditions are not satisfied as a result of the scanning, an LI value indicating that the last segment of the prior SDU coincides with the end of the prior PDU exactly in the top of the LI group of the next PDU. And if one of the above two conditions is satisfied, an LI value indicating that the last segment of the prior SDU coincides with the end of the prior PDU exactly is inserted in the top of the next PDU.
Patent KR-20020016305-A (KR)
Title: Structure for current density enhancement of the field emission electron source by light illumination
Inventor: JIN SEONG HWAN
IPC: H01J1/30
Filed: 2000-08-25
Abstract: PURPOSE: A structure for increasing current density of a field emission source with light radiation is provided to increase electron emission and emission current with a relatively small voltage so as to increase life time of the field emission source. CONSTITUTION: A structure for increasing current density of a field emission source comprises the field emission source(11) having cathodes for emitting electrons and anodes for guiding electron emission, and a light radiator(12) for radiating light(15) of 100 to 800 mm onto the field emission source(11). When a voltage is applied to the field emission source(11), electrons are emitted from the field emission source(11) through a gate area(17). At this time, light(15) is radiated from the light radiator(12) onto the field emission source(11) to excite electrons on the surface of the field emission source(11), that wouldn't be emitted otherwise, so as to increase the amount of the emitted electrons.
Patent KR-20010000241-A (KR)
Inventor: JUNG BONG GWOON
IPC: H04L9/00
Filed: 2000-08-28
Abstract: PURPOSE: A file exchange is provied to send files and to delete the files automatically. CONSTITUTION: The files left a diskette are automatically deleted when a client is sending and exchanging files in a market.
Patent KR-20020023492-A (KR)
Title: Lithium secondary battery and preparing method thereof
Inventor: CHANG CHI WEI
IPC: H01M10/0568
Filed: 2000-09-22
Abstract: PURPOSE: Provided are a lithium secondary battery and its preparation method. The battery is characterized by the separator between a cathode and an anode, which is made of fabricated fiber material with a multi porous coating layer. The separator has excellent mechanical property, discharge capacity, cycle characteristics and an improved property of ion conductivity because this separator can contain much electrolyte. CONSTITUTION: The battery comprises: a cathode, an anode, electrolyte including lithium salts in organic solvents and a separator between the above electrodes consisting of one or more multi-porous fabricated fiber materials, with permeability of 20-2000cfm and thickness of 5-200μm, selected from polyethylene phthalate, polypropylene, polyethylene and fiber glass, coated with layer of vinylidenefluoride-hexafluoropropylene copolymer with not more than 25% of hexafluoropropylene monomer. The battery is made by: coating the above copolymer on the above fabricated fiber material, drying, eliminating the low boiling plasticizer to make a multi-porous separator; introducing electrolyte into the above porous separator; and installing anode and cathode on both side of the separator to assemble the battery.
Patent KR-20010070095-A (KR)
Title: Method and apparatus for controlling the blending of drinks
Inventor: BARNARD DAVID J
IPC: A23G9/04
Filed: 2000-09-22
Abstract: PURPOSE: Provided are a method and apparatus for blending drinks, in particular, drinks made with a portion of liquid and a portion of ice, as is often prepared and served in restaurants, cocktail lounges, or the like. More particularly, it precisely controls the portions of the drink so as to provide repeated, consistent drinks. CONSTITUTION: A drink-blending machine(10) includes an ice-shaving unit(11) and a blender assembly(12). The ice-shaving unit(11) is adapted to transfer ice from a bin(15) to the pitcher(18) of the blender assembly(12). A weighing mechanism includes a deflection beam, one end of which carries the pitcher(18). The deflection beam includes a strain gauge which provides a signal proportional to weight to a control circuitry box. In operation of the machine(10), a quantity of liquid is placed in the pitcher(18) and dependent upon the weight of ice or liquid-to-ice ratio predetermined by depressing a selected button(44), ice from the ice-shaving unit(11) is transferred to the pitcher(18) until the predetermined weight of ice is received by the pitcher(18).
Patent KR-20020026121-A (KR)
Title: Digital watt-hour meter containing electric power line modem
Inventor: JANG WON YONG
IPC: G01R11/00
Filed: 2000-09-30
Abstract: PURPOSE: A digital watt-hour meter having a power line modem is provided to simply and exactly check a meter without an individual check of a watt-hour meter. CONSTITUTION: A resistance divider(3) is electrically connected to a power line(2) and converts a voltage of a power line(2) into a digital signal and an analog signal. A current transformer(5) is electrically connected to the power line(2) and transmits the digital signal and analog signal to a microprocessor(4). The microprocessor(4) operates outputs of the resistance divider(3) and current transformer(5) and transmit the result to a transmission power line modem(6) and a display device(7). The transmission power line modem(6) is electrically connected to the power line(2) and transmits a signal from the microprocessor(4) to a receiving power line modem. The receiving power line modem is connected to an optical communication cable.
Patent KR-20020031558-A (KR)
Title: Improvement of Die-swell tester
Inventor: KIM JONG HYEOK
IPC: G01B5/08
Filed: 2000-10-21
Abstract: PURPOSE: A die swell tester is provided to obtain a correct die swell ratio of extrudate by projecting laser beam in a vertical direction at the state where the extrudate does not move, while preventing size faults during extrusion process. CONSTITUTION: A die swell tester comprises an extruder(10) fixed to a frame(50), and which extrudes rubber by the press operation of a piston(11); a laser generator(20) for projecting laser beam to the extrudate extruded from the extruder; a detector(30) for receiving and detecting the laser beam projected from the laser generator; a recorder(40) for showing a graphical representation of the diameter of the extrudate by the transmission from the detector; and an extrudate feeding roll(60) fixed to the upper portion of the frame, and which changes the advancing direction of the extrudate.
Patent KR-20010000858-A (KR)
Inventor: HAN SUNG MAN
IPC: F17C1/00
Filed: 2000-10-20
Abstract: PURPOSE: A structure of eliminating remained gas in a gas container is provided to easily eliminate remained gas and to prevent accident by not generating spark. CONSTITUTION: To waste a gas container(10), a handle(13a) of a lever(13) is lifted. The lever operates a leverage of an extended unit(13b) centering upon a rivet(14). Thus, the rivet is replaced. Herein, inner head of the rivet is formed in a small sphere shape for being easily removed from a main wall(11). Thus, a discharge aperture is formed at the place for the rivet. Remained gas in the gas container is discharged through the discharge aperture.
Patent KR-20020037083-A (KR)
Title: Method for producing polybutene
Inventor: EOM JAE HUN
IPC: C08F110/10
Filed: 2000-11-13
Abstract: PURPOSE: A method for preparing polybutene is provided, to obtain high reactive polybutene(HRPB) whose content of terminal carbon-carbon double bonds is more than 80% and to minimize the content change of terminal double bonds irrespective of a long reaction time. CONSTITUTION: The method comprises the steps of reacting the C4-hydrocarbon mixtures generated in the degradation process of isobutene of naphtha containing 10 wt% of isobutene or more, or the C4-hydrocarbon mixtures generated in the refinement process of crude oil containing 10 wt% of isobutene or more, with a catalyst selected from secondary alkyl ether, tertiary alcohol or boron trifluoride. Preferably the tertiary alcohol is selected from the group consisting of t-butyl alcohol, diacetone alcohol, 2-methyl-2-butanol and their mixtures; the secondary alkyl ether is selected from the group consisting of diisopropyl ether, di-sec-butyl ether, di-sec-hexyl ether, di-sec-octyl ether and their mixtures. The reaction is carried out at a temperature of -50 to 20 deg.C.
Patent KR-20020037100-A (KR)
Title: The recipro cating devic of pressure board for super sonic wave device
Inventor: CHO DAE SIK
IPC: B23K20/10
Filed: 2000-11-13
Abstract: PURPOSE: An apparatus for activating a pressing plate of an ultrasonic instrument in up/down is provided to activate easily a pressing plate by installing an activating cylinder at both side of a heating plate in order to activate the pressing plate in up/down. CONSTITUTION: A heating plate is installed at a central portion of a body and is activated in forth and back. A pressing plate for fixing a material is installed at an upper portion and a lower portion and is activated in up/down according to a guide rail. A cylinder is installed at the central portion of the pressing plate. A work rest is installed at an inside of the body(1), and a fixture(3,3') is installed at the central portion of the work rest(2). The lower portion of the cylinders(4,4') is fixed at the fixture(3,3'). A protrusion bar(6) is installed at the central portion of an upper pressing plate(5) to protrude. A cylinder rod(7) of the cylinder(4,4') is fixed at the protrusion bar(6).
Patent KR-20020041483-A (KR)
Title: Apparatus and Method for a service of the internet education through a separate type of external equipment
Inventor: PARK DONG GEUN
Filed: 2000-11-28
Abstract: PURPOSE: A device and method for an Internet education through an independent external device is provided to supply an effective Internet education through an independent external device having the MP3 function. CONSTITUTION: After connecting an independent external device to a PC(3) through a USB(universal serial bus) port, if a connection button attached to the device is clicked, a device control program installed in the PC(3) is executed, and the Internet is connected. If a certification button attached to the device is clicked, a user certification unit in the external device is connected to an Internet connection unit(4), and stored user information is automatically inputted on an ID/Password input window on the Internet, and an Internet user is certified. Learning contents are converted into an MP3 file in real time through a server process and through an education contents execution device(6) and an MP3 encoder(7) mounted in a web server(5). A user progress DB(8a), a user certification information DB(8b), and an education process multimedia DB(8c) are automatically linked therewith through an education contents execution management device(8), and personal customizing learning is processed. If a download button is pressed, a voice file converted into an MP3 file by the MP3 encoder(7) in real time is downloaded in the independent external device through an MP3 down loader mounted in the PC(3).
Patent KR-20020045743-A (KR)
Title: Wafer alignment mark in semiconductor device and method for wafer alignment using it
Inventor: BAE SANG MAN
IPC: H01L21/027
Filed: 2000-12-11
Abstract: PURPOSE: A wafer align mark of a semiconductor device is provided to inspect position alignment of a wafer, by maximizing a scattering effect of light caused by fine patterns on a scribe line region formed by a sub pattern unit of the wafer align mark. CONSTITUTION: A shielding unit(20) composed of several aligned rectangular lattices is formed on a quartz substrate. The sub pattern unit(30) maximizes a scattering effect of light, simultaneously formed together with the shielding unit and having a predetermined fine pattern. The sub pattern unit includes the shielding unit, separated from the shielding unit by a predetermined interval in all directions.
Patent KR-20010062635-A (KR)
Inventor: SOLONDZ MAX AARON
IPC: H04W24/02
Filed: 2000-12-22
Abstract: PURPOSE: A wireless channel quality indicator is provided to display quality of a wireless communication channel. CONSTITUTION: A method and apparatus for indicating the quality of a wireless telecommunications channel is disclosed. One embodiment comprises a method of processing an outgoing signal by receiving an incoming signal, generating a measure of signal strength of the incoming signal, and adding an in-band outgoing warning signal to the outgoing signal when, based on the measure of signal strength, the incoming signal is of unsatisfactory quality.
Patent KR-20020051526-A (KR)
Title: Device for preventing quick startng
Inventor: CHO GI HAN
IPC: B60K28/10
Filed: 2000-12-22
Abstract: PURPOSE: An apparatus for preventing a vehicle from rapid starting is provided to make shift lock set up when steering wheel of a vehicle is rotates over predetermined angle and to make a vehicle start just when the brake-sensing signal and the steering wheel are sensed below the set angle. CONSTITUTION: An apparatus for preventing a vehicle from rapid starting comprises a brake switch(2), a shift lock switch(14), a steering wheel-sensing unit(12), an A/D(Analog/digital) converter(18), a control unit(20), and a sprag drive unit(22). The brake switch is installed at the rear end of the brake pedal and switched according to the operation state of brake. The steering wheel-sensing unit is installed to the steering wheel and the steering wheel-sensing unit detects the steering angle. The A/D converter converts the analog signals accepted from the brake switch, shift lock switch, and the steering wheel-sensing unit into digital signals. The control unit produces a control signal capable of starting a vehicle when the steering angle is detected below the preset angle. The sprag drive unit takes a signal of starting the vehicle from the control unit and drives a sprag(8) so that the sprag can be dislocated from a sprag gear.
Patent KR-20020051604-A (KR)
Title: Separatable extracting device when two workpiece drawing simulataneously
Inventor: KIM GI WON
IPC: F27B3/19
Filed: 2000-12-23
Abstract: PURPOSE: An apparatus for separately extracting the workpieces when extracting two workpieces simultaneously is provided to constantly adjust a pass line of the workpieces or a distance between workpieces to be rolled at the withdrawing side when simultaneously extracting two workpieces in a hearth type heating furnace. CONSTITUTION: The apparatus for separately extracting the workpieces when extracting two workpieces simultaneously comprises a switch plate(6) installed in front of the withdrawing side of the workpieces(100) of a heating furnace(200); a pair of rotation rollers(1) which are installed with spaced apart from the switch plate(6) in a certain distance and oppositely formed to guide the workpieces(100) for extracting; cylinders(5) connected by frames(2) supporting the rotation rollers(1) so as to ascend or descend the rotation rollers(1); a guide(104) installed at opposite sides of the switch plate(6) with distanced from the rotation rollers(1) to separate and guide the workpieces; and sensors(7,9) and timers(8,10) which are installed between the switch plate(6) and the rotation rollers(1), and the rotation rollers(1) and the guide(104) respectively to sense positions of the workpieces and retardingly move the cylinders(5).
Patent KR-20020052002-A (KR)
Title: The tuning apparatus of scale breaker parameter
Inventor: KIM YEONG GYU
IPC: C25F1/06
Filed: 2000-12-23
Abstract: PURPOSE: An apparatus for adjusting parameters of a scale breaker is provided to reduce facility load by adjusting parameters of the scale breaker using a cascaded fuzzy controller, thereby appropriately setting elongation applied onto an intermesh of leveling unit and a strip and uniformly distributing loads on stretching motor and main motor. CONSTITUTION: The apparatus for adjusting parameters of a scale breaker comprises a material detection sensor(31) which is installed at the entrance side of the scale breaker to detect arrival of the material; an operation control computer(32) providing with information of the material including thickness, width and steel types of the material; a process computer(33) storing the set parameters in a parameter table form by setting parameters of the scale breaker after receiving material information from the operation control computer(32), renewing the parameters using new parameters provided with afterwards, and providing with set values of intermesh and elongation using the parameters; a program logic controller(34) controlling a stretching motor and an intermesh motor based on the set values of intermesh and elongation from the process computer(33); an overload detector(36) detecting overload of the stretching motor and intermesh motor; and a parameter controller providing the process computer(33) with the determined optimum parameters by performing fuzzy logic using load and load variation as input variables, thereby determining optimum parameters on the intermesh and elongation in case that overload is detected in the overload detector(36).
Patent KR-20020056272-A (KR)
Title: An oil guiding structure of crankshaft for hermetic compressor
Inventor: CHOI CHEOL RAK
IPC: F04B39/00
Filed: 2000-12-29
Abstract: PURPOSE: A structure for guiding oil of crank shaft of hermetic type compressor is provided to increase amount of oil supplied through the crank shaft. CONSTITUTION: A structure includes a rotary axis part rotating integrally with a rotor(50) and having an oil passage(42) vertically formed therein; and an eccentric pin(45) formed on an upper end of the rotary axis to deviate from a rotating axis(SL) of the rotary axis connected with a connecting rod(54) and having an eccentric pin passage(47) fluidically connected with the oil passage so that a center-line(PL) of the oil passage of the rotary axis and the rotating axis of the rotary axis form fixed angle(alpha).