baber/WOPTO huggingface dataset:
Patent KR-20030097474-A (KR)
Title: Apparatus for identification of dual-band radio frequency
Inventor: BYUN SANG GI
IPC: G06K19/07
Filed: 2002-06-21
Abstract: PURPOSE: A dual-band RF(Radio Frequency) identification apparatus is provided to supply magnetic low-frequency energy to a tag for driving power and to transmit electromagnetic microwaves for the data of the tag and a reader. CONSTITUTION: A dual-band RF identification apparatus consists of a reader(300) and a tag(350). The reader(300) comprises a loop antenna(301), a transmitting microstrip patch antenna(303), a receiving microstrip patch antenna(305), and a terminal(307). The loop antenna(301) transmits magnetic energy to the tag(350). The transmitting microstrip patch antenna(303) transmits certain data to the tag(350). The receiving microstrip patch antenna(305) receives response data from the tag(350). The terminal(307) supplies the magnetic energy that the loop antenna(301) transmits to the tag(350), provides certain data to the transmitting microstrip patch antenna(303) so that the data can be delivered to the tag(350), and receives the response data received to the receiving microstrip patch antenna(305) from the tag(350). The terminal(307) comprises an oscillator(309). The oscillator(309) generates a low-frequency oscillation signal of 125KHz or 133KHz and supplies the generated oscillation signal to the loop antenna(301) so that the loop antenna(301) can transmit magnetic energy.
Patent KR-20040000277-A (KR)
Inventor: KIM SNAG YOUL
IPC: A47C9/00
Filed: 2002-06-24
Abstract: PURPOSE: Provided is a moving and rotating chair for farmers in a farm field or in a green house, which makes the harvesting farmer move easily and helps to pick up cucumbers, strawberries or red peppers. CONSTITUTION: The chair comprises back support(7), seat part(2), belt(1), inclining part(3) which inclines 15 degrees forward, height control part(4) and rotating part(5) which rotates at 360 degrees.
Patent KR-20040001056-A (KR)
Title: Frequency generator
Inventor: KIM GWAN HUI
IPC: H04B1/40
Filed: 2002-06-26
Abstract: PURPOSE: An apparatus for generating frequencies is provided to generate various frequencies by two band-classified VCOs(Voltage Controlled Oscillators) and one frequency mixer for enhancing the accuracy of the mixed frequency. CONSTITUTION: The first and second VCOs(10,20) generate inter-different frequencies, and output the inter-different frequencies. The first and second switches(32,33) transmit or does not transmit the frequencies outputted from the first and second VCOs(10,20) to a next terminal according to the control of an on/off signal. A frequency mixer(40) mixes the frequencies outputted from the first and second switches(32,33), additionally generates frequencies corresponding to addition and subtraction, and outputs the frequencies. Four BPFs(Band Pass Filters)(51-54) filter the frequencies outputted from the frequency mixer(40) according to bands, and output the filtered frequencies.
Patent KR-20040001605-A (KR)
Title: Sinter Machine Ignition
Inventor: PARK SEUNG BAE
IPC: F27B21/08
Filed: 2002-06-28
Abstract: PURPOSE: An ignition furnace is provided which ignites blended raw materials efficiently by forming shape of flame in an admission direction of pallet and properly controlling the shape of flame according to height change of surface layer part of the blended raw materials. CONSTITUTION: The ignition furnace(20) comprises first flame sensing sensor(70) installed on a heat radiation plate(40) formed in a travel direction of pallet; second flame sensing sensor(74) installed on an outer part of the heat radiation plate; a cylinder(50) rotated centering around tilting shaft(30); and a control part for controlling the cylinder so that flame(60) is sensed only by the first flame sensing sensor, wherein the ignition furnace further comprises gas nozzle, first air nozzle and second air nozzle formed in such a shape that the gas nozzle(26), first air nozzle(27) and second air nozzle(28) are bent in a travel direction of the pallet at an end part of the lower side.
Patent KR-20040001955-A (KR)
Title: Gate electrode structure in semiconductor device and method for fabricating the same
Inventor: AHN TAE HANG
IPC: H01L21/336
Filed: 2002-06-29
Abstract: PURPOSE: A gate electrode of a semiconductor device ad a method for manufacturing the same are provided to improve electrical properties by forming a thick oxide layer at both sidewalls of a gate using simple selective oxidation processing. CONSTITUTION: A silicon seed layer(3), a poly-SiGe layer(4) and a polysilicon layer(5) are sequentially stacked on a semiconductor substrate(1). A tungsten film(6) is formed on the polysilicon layer. A gate electrode pattern(10) is then formed by etching the stacked layers. A thick oxide layer(7) is then formed on the substrate and at both sidewalls of the gate electrode pattern by using selective oxidation processing.
Patent KR-20020079616-A (KR)
Inventor: KIM DEA HAN
IPC: E03D11/00
Filed: 2002-07-05
Abstract: PURPOSE: A toilet bowl is provided to cut back on use of water by draining waste water through a drainage passage inclined downward by using gravity, and adopting a drainage trap on a secondary drainage passage. CONSTITUTION: The water saving toilet bowl comprises a water tank(1) having a water supply hole(10) at the bottom thereof; a bowl(2) located at a lower level than the water tank, which is formed with a water containing portion(20) communicating with the water supply hole of the water tank, a first drainage passage(22) inclined downward being formed in the water containing portion, a drainage jaw portion(23) being formed in the first drainage passage, and a drainage trap(25) being formed in a second drainage passage(24); a rotating lever(4) cooperating with a drainage lever(3) of the water tank; and a water supply hole packing(5) connected to the rotating lever through a string to open the water supply hole according to the manipulation of the drainage lever.
Patent KR-20030007125-A (KR)
Title: Centerless grinding method for bar-shape work and centerless grinder
Inventor: HIRAYAMA HARUYUKI
IPC: B24B5/22
Filed: 2002-07-11
Abstract: PURPOSE: To provide a centerless grinding technique with high producing efficiency allowing the grinding of a rod work at its end axial portion having an extremely small diameter while maintaining high coaxiality and a cylindricity. CONSTITUTION: After the work W is supported at its base axial portion Wa pushed against a regulating wheel 2 by a pressure roller 4 and the work W is fed to the axial direction by a push rod 5 while being forcibly rotated, the end axial portion Wb of the work W is ground by the grinding wheel 1. In the case of the end axial portion Wb of the work W has an extremely small diameter, the longitudinal direction of the work W to be ground can be accurately controlled and the end axial portion Wb of the work W can be ground with reference to the outer diameter of the base axial portion Wa. As a result, grinding work is applied to the stepped work W with less runout of the axial center in a short time while maintaining high coaxiality and cylindricity.
Patent KR-20040008315-A (KR)
Title: A method for the preparation of nano-hydroxyapatite for antibacteria
Inventor: JUNG SU CHEOL
IPC: C01B25/32
Filed: 2002-07-18
Abstract: PURPOSE: A method for producing nano hydroxyapatite particles for use as carrier of antibacterial materials such as silver ion and copper ions is provided. CONSTITUTION: The method comprises the steps of (a) preparing calcium solution by dissolving calcium salts in water, (b) preparing phosphate solution by dissolving phosphates in water, (c) feeding ammonia water to the calcium solution or the phosphate solution to adjust pH within the range of 10 to 12, (d) feeding the phosphate solution to the calcium solution at feeding rate of 100 ml/sec to 500 ml/sec while stirring the calcium solution at temperature in the range of 70 to 90°C at 500 to 1000 rpm, (e) rinsing the sediments using distilled water, and (f) drying the rinsed sediments.
Patent KR-20040011116-A (KR)
Title: Call Process System In Mobile Telephone Network and Voice Signal Incoming Routing Method
Inventor: HAM HUI HYEOK
IPC: H04W40/04
Filed: 2002-07-29
Abstract: PURPOSE: A method for setting a voice signal receiving path is provided to set a path up to a receiver's nearest TS(Toll Switch) by maximumly using an origination telephone network to the receiver from an originator, thereby enabling an other telephone network to access a self network. CONSTITUTION: If a GHLR(Gateway HLR)(300) receives an inquire message including a number to be received(S100), the GHLR(300) analyzes dialed digits to search an HLR, and transmits a location request message to an HLR(400) by including digit values in the message(S101). The HLR(400) outputs a routing request message to an MSC(500)(S103). The MSC(500) assigns a requested TLDN, and transmits the TLDN to the HLR(400), and the HLR(400) includes the TLDN in a request return result message and transmits the message to the GHLR(300)(S104-S105). The GHLR(300) transmits the TLDN to an originator exchange of an other telephone network(100).
Patent KR-20040011901-A (KR)
Title: Vehicle side mirror heating apparatus
Inventor: CHOI KWANG UP
IPC: B60S1/56
Filed: 2002-07-31
Abstract: PURPOSE: A heating apparatus for a side mirror of a vehicle is provided to obtain the visual field for a driver and drive safely by eliminating drops, frost, snow or ice from the side mirror with heating quickly and efficiently, and to heat the side mirror entirely and evenly by restricting leak of current with coating the inner periphery of an electro-thermal wire groove with the thermal insulating material. CONSTITUTION: A side mirror housing is protruded at a side of a vehicle to obtain the rear visual field for a driver, and a side mirror heating apparatus is installed in the back of a mirror to heat the mirror. The side mirror heating apparatus includes an electro-thermal wire(10) heating in passing current, and a heating plate(20) having an electro-thermal wire groove(21) laying the electro-thermal wire. The heating plate is contacted and attached to the back of the mirror, and a thermal insulating plate is mounted to the heating plate opposite to the mirror. The electro-thermal wire is covered by a thermal insulating member to cut off leak of current, and the inner periphery of the electro-thermal wire groove is coated with the thermal insulating member.
Patent KR-20040012057-A (KR)
Title: Semiconductor manufacturing equipment
Inventor: CHO GYU TAE
IPC: H01L21/205
Filed: 2002-07-31
Abstract: PURPOSE: Semiconductor fabricating equipment is provided to easily replace and repair only a part of a spindle shaft when a fail occurs in the spindle shaft by including the spindle shaft capable of being separated into upper and lower portions. CONSTITUTION: A wafer is placed on a wafer loading unit. A radio frequency(RF) power and reaction gas are supplied to a process chamber to deposit a thin film of a predetermined thickness on the wafer. A spindle unit(310) is included in the process chamber to rotate the wafer according to a process progression. A wafer transfer robot is installed in a load lock chamber to transfer the wafer of the wafer loading unit to the spindle unit of the process chamber. The wafer is placed on a spindle fork(315). A drive motor(390) generates rotation force to rotate the spindle fork. The spindle shaft(330) delivers the rotation force of the drive motor to the spindle fork. A connection member(320) connects the spindle shaft with the spindle fork. The spindle shaft can be separated into a spindle fork connection part and a motor connection part so as to be selectively analyzed and disassembled.
Patent KR-20020068013-A (KR)
Inventor: JEONG MIN KYU
IPC: H05K3/00
Filed: 2002-07-31
Abstract: PURPOSE: A method for adhering a copper foil on a SUS-plate is provided to minimize dent errors and a damage of a circuit generated from a dent by adhering a copper foil on a surface of a SUS-plate. CONSTITUTION: A front surface of a SUS-plate(3) is cleaned by using a fiber having an adhering characteristic fiber. A copper foil(1) is loaded on the SUS-plate(3). A heatproof tape(2) and a special adhesive tape(4) are adhered to four edges of the copper foil(1). The SUS-plate(3) is turned over. A rear surface of the SUS-plate(3) is cleaned by using the fiber having the adhering characteristic fiber. The copper foil(1) is loaded on the SUS-plate(3). The heatproof tape(2) and the special adhesive tape(4) are adhered to four edges of the copper foil(1).
Patent KR-20040015566-A (KR)
Title: a device and the method for a restoration of vacuum in brake booster
Inventor: LEE JUNG GEUN
IPC: B60T13/52
Filed: 2002-08-13
Abstract: PURPOSE: A negative pressure recovering apparatus and a method for a brake booster are provided to maintain braking force steadily though an engine is turned off in traveling by generating flow of fluid in a venturi tube after opening an operating valve when a driver brakes. CONSTITUTION: A negative pressure recovering apparatus for a brake booster comprises a detecting device(100) of an operation of a vehicle, an engine control device(200) and a driving device(300). The detecting device of the operation of the vehicle detects changes of operations of the vehicle. The engine control device outputs a control signal of supplying negative pressure when an engine is turned off during traveling by receiving an engine RPM(Revolution Per Minute), an ignition key switch, vehicle speed and an operating condition of a brake pedal from the detecting device of the operation of the vehicle. The driving device is operated to form negative pressure to the brake booster by the control signal of supplying negative pressure from the engine control device. Thereby, braking force is maintained steadily though the engine stops during traveling.
Patent KR-20040015984-A (KR)
Title: Clamp Assembly for Engaging Injector of Automobile
Inventor: JUNG WON MUN
IPC: F02M61/14
Filed: 2002-08-14
Abstract: PURPOSE: A clamp assembly is provided to reduce parts count and allow for ease of assembly between the injector and clamp, while preventing errors in mounting the clamp. CONSTITUTION: A clamp assembly(150) comprises first and second clamp bodies(151,152) having stoppers(151a,152a) inserted into clamping slots of an injector, wherein the first and second clamp bodies form a through hole when coupled with each other; a fixing member coupled to the opposite sides of the stoppers of the first and second clamp bodies so as to couple the first and second clamp bodies; a spring clip(159) for applying elastic forces to the first and second clamp bodies; and a clamping bolt(157) inserted into the through hole formed by the first and second clamp bodies and coupled to the cylinder head. The fixing member includes fixing pins(154), a support member(156), and a fixing clip(155) for coupling fixing pins with each other.
Patent KR-20040017485-A (KR)
Title: Lift pin ass'y for manufacturing semiconductor device
Inventor: LEE GANG HEUM
IPC: H01L21/02
Filed: 2002-08-21
Abstract: PURPOSE: A lift pin assembly of a semiconductor process chamber is provided to replace a deformed pin alone without replacing the assembly itself by forming a plurality of separation type pins. CONSTITUTION: A lift pin assembly(1) of a semiconductor process chamber is installed at the inner portion of a chuck for separating a wafer by moving up and down. The lift pin assembly is provided with a fixing plate(11) connected with a cylinder at the lower portion, a plurality of screw holes(111) spaced apart from each other at the upper portion of the fixing plate, and a plurality of pins(12) inserted into each screw hole. At this time, a tap portion(121) is formed at the lower portion of each pin. At the time, each pin is connected through the screw holes.
Patent KR-20040022713-A (KR)
Title: Pouched-type case and lithium secondary battery applying the same
Inventor: EOM TAE SIK
IPC: H01M2/02
Filed: 2002-09-05
Abstract: PURPOSE: A pouch-type case and a lithium secondary battery employing the case are provided, to prevent the scratch by sharp edge parts. CONSTITUTION: The pouch-type case(210) provides the space part where a battery part(21) comprising a positive electrode plate, a negative electrode plate and a separator is received, and comprises an upper case(220); an under case(230) whose at least one face is adhered to the upper case in a body; and a trimming part(233) which is formed at the corner part of the closed side(232) formed along the edge of the space part formed at any one part of the upper and under cases. Preferably the trimming part is a curved rounding part or a wavelike part formed from adjacent two sides.
Patent KR-20040022742-A (KR)
Title: Road information displaying method and system thereof for a vehicle navigation system
Inventor: JUN HWA SU
IPC: G08G1/0968
Filed: 2002-09-05
Abstract: PURPOSE: A method for displaying the road information of a car navigation and an apparatus for the same are provided to easily recognize the traveling direction at the crossroad by supplying a visual information similar to a real shape of the crossroad to the driver. CONSTITUTION: A method for displaying the road information of a car navigation includes the steps of: determining whether the distance between the car and the approaching crossroad is below a preset distance or not; extracting a set crossroad data and at least one set crossroad image frame if the distance between the car and the approaching crossroad is below; implementing the crossroad image by synthesizing the extracted crossroad data and at least one crossroad image; and displaying the implemented crossroad image on the display device(22).
Patent KR-20040022103-A (KR)
Title: Disk drive
Inventor: KIM HO
IPC: G11B17/04
Filed: 2002-09-06
Abstract: PURPOSE: A disc drive is provided to selectively connect components of a tray to a main plate using a mechanical connector. CONSTITUTION: A disc drive includes a main chassis(50) in which components are installed, and a main plate(90) that is fixed to the main chassis and has control components. The disc drive further includes a tray(60) and connectors. The tray has a part for rotating a disc and a part for recording and reproducing signals. The tray is inserted/separated into/from the main chassis to load/unload the disc. The connectors are respectively set in each of the main plate and the tray. The connectors are selectively connected to each other to electrically connect the components of the main plate and the tray to each other when the tray is inserted into the main chassis. The connectors include a fixed connector(100) provided in the main plate and a moving connector(80) set in the tray.
Patent KR-20040022690-A (KR)
Title: Falling prevention device of refrigerator
Inventor: JUNG SANG GYU
IPC: A47B97/00
Filed: 2002-09-09
Abstract: PURPOSE: A falling preventing device of A refrigerator is provided to prevent a refrigerator from being fallen, and easily move a main body in cleaning and repair the main body. CONSTITUTION: A main body(10) has storage compartments. A door(11) is installed at a front surface of the main body for opening and shutting the storage compartments. A first bracket(40) is fixed on the surface of a wall(20) corresponding to the top side of the main body through screws(41). A second bracket(50) is fixed on the top side of the main body through other screws(51). Extended parts(42) are formed at the first bracket, having a rod(43) connecting the extended parts. A rotating bar(60) is formed at the second bracket to be secured and supported by the rod, having a protrusion(61) and an operating part(62). A spring(52) is installed between the operating part and the second bracket for securing the protrusion firmly by the rod.
Patent KR-20040023911-A (KR)
Title: Apparatus for mold clamping of continuous casting device
Inventor: HAN BYEONG HA
IPC: B22D11/16
Filed: 2002-09-12
Abstract: PURPOSE: A mold clamping apparatus of continuous casting facility is provided in which corner gap is not generated according to width of slab product, a gap between broad face copper plate and narrow face copper plate is constantly maintained to prevent damage of the copper plate during change of width. CONSTITUTION: In an apparatus in which long and narrow face water jackets(1b,1a) are respectively installed on a mold frame, copper plates are adhered to the water jackets so that molten steel is poured into the copper plates, and cooling water circulated inside the water jackets solidifies molten steel to produce a slab, the mold clamping apparatus of continuous casting facility comprises disk spring packs(70a,70b) assembled into upper and lower sides or left and right sides of the broad face water jacket; hydraulic cylinders(80a,80b) installed in rear of the disk spring packs; first rods(90a,90b) equipped with disk springs and installed in front of the hydraulic cylinders; second rods(94a,94b) connected to the first rods through turn buckles(92a,92b); load cells(100a,100b) installed at an end part of the second rods to check ferrostatic force of the molten steel; and a control part for controlling operation of the hydraulic cylinders and load cells by PLC (programmable logic controller) connected to operating panel.
Patent KR-20040025074-A (KR)
Title: Total management/monitoring system for sewer and method thereof
Inventor: CHOI GYE WOON
IPC: G06Q50/06
Filed: 2002-09-18
Abstract: PURPOSE: A system and a method for operating/monitoring an integrated drainage system are provided to judge infiltration/inflow, and a water leakage by increasing correctness through an analysis for entire drainage system integrally, not each block, and calculating a change of flow and water level in the drainage system for each time based on the real-time input data. CONSTITUTION: A rainfall/flow measurer(100) transmits real-time data including current, the flow, a water level, and rainfall information by installing in the drainage system of each location. A basic status input(200) part inputs the basic status data such a population, an area, rainfall history, and water analysis information. A drainage monitor(300) outputs a drainage monitoring result by responding to the input of a data output signal. A drainage system operation controller(500) classifies/stores the basic status data and the real-time input data in a data storage(400), calculates the infiltration/inflow and the water leakage from the real-time flow and rainfall, and calculates the pipeline drawing information and a flow/current/water level result of each time by the drainage system analysis.
Patent KR-20040026584-A (KR)
Inventor: YUN JONG HO
IPC: A63B5/11
Filed: 2002-09-24
Abstract: PURPOSE: A safe trampoline using leaf springs is provided to give uniform elasticity and restoring force to a mat, which resultantly enables a user to jump higher and more safely. CONSTITUTION: The trampoline using leaf springs includes a double structure, namely an inner jumping mat and an outer safe mat, dually deflected leaf springs installed around the mats, and pipes for forming a square shaped frame for the trampoline. The leaf spring has three bent parts to enable the leaf spring to receive a force from the front and back sides. Therefore, the restoring force and the repulsive force of the spring are very high, which in turn allows the user to jump higher and more safely.