baber/WOPTO huggingface dataset:
Patent KR-20030002067-A (KR)
Title: Optical disc drive and method for reproducing wobble signal
Inventor: AHN YEONG MAN
IPC: G11B7/135
Filed: 2001-06-30
Abstract: PURPOSE: An optical disk device and a method for regenerating a wobble signal is provided to prevent the regenerated wobble signal from deteriorating due to crosstalk from wobbles formed in the neighbor tracks. CONSTITUTION: An optical disk device includes an optical dividing/detecting device(10) dividing an optical beam irradiated to and reflected from an optical disk into four in a direction corresponding to a radial direction of the optical disk; a signal processor(30) detecting a first difference signal differentiating detecting signals to inner optical areas of the divided/detected optical beams, a second difference signal differentiating detecting signals to outer optical areas of the divided/detected optical beams, and detecting a wobble signal by differentiating the first difference signal and the second difference signal.
Patent KR-20030004748-A (KR)
Title: Microstrip antenna
Inventor: PARK JEONG HYE
IPC: H01Q13/08
Filed: 2001-07-06
Abstract: PURPOSE: A microstrip antenna for a mobile communication terminal is provided to reduce the radiation of electromagnetic wave by employing the structure of a folded dipole antenna. CONSTITUTION: A radiation plate(11) is deposited on a ground plate(12). A slot having a pattern of a folded dipole antenna and a co-planar waveguide are carved on the radiation plate(11). Width(W) is limited by a half of a frequency. The width(a) and space(b) of a slot, the length(L) of an antenna, the thickness(h) of the ground plate(12), the thickness(t) of the radiation plate(11), and the width(s) and space(w') of the co-planar waveguide are determined by an experiment. The folded dipole antenna and a feeder line of the co-planar waveguide are integrated in one unit.
Patent KR-20010079322-A (KR)
Inventor: YANG YOUNG KU
IPC: E04B1/68
Filed: 2001-07-06
Abstract: PURPOSE: A water stopping process for a concrete structure by using a perforated drain pipe is provided to drain the air of non-cured concrete and remaining water to the outside via the perforated drain pipe by mounting the perforated drain pipe in a construction seam part and injecting fillers into the perforated drain pipe, thereby completely sealing air voids of the construction seam part. CONSTITUTION: A process for stopping water in a concrete structure by using a perforated drain pipe includes the steps of establishing a mould(20) in the shape of a structure to establish on an existing cast concrete layer(30), setting a perforated drain pipe(10) on the concrete layer in the mould, pouring concrete in the mould including the perforated drain pipe, and filling water stopping filler(14) in the perforated drain pipe after curing the concrete, wherein the perforated drain pipe is formed of a net type hose coated with non-woven fabric or a synthetic resin pipe coated with non-woven fabric.
Patent KR-20030006295-A (KR)
Title: Apparatus for keeping up the rain in door of a bus
Inventor: LEE SEUNG WON
IPC: B60J5/00
Filed: 2001-07-12
Abstract: PURPOSE: A device for blocking the rain water of a door of a bus is provided to surely prevent the malfunction of a rainwater blocking plate without additional operation. CONSTITUTION: An air tank(1) is stored with the compressed air. An air dryer(2) connected with the air tank removes the moisture of the compressed air in the air tank. A door opening control valve(8) controls the supply of the air to a door drive cylinder(6) from the air tank. A rain water blocking plate(7) is slidably installed at an upper portion of a door(5) of a bus. A rain water blocking device control valve(3) controls the supply of the compressed air to a rain water blocking plate drive cylinder(4) while the door opening control valve is turned on.
Patent KR-20020009493-A (KR)
Inventor: MOCHIDA YOSHIFUMI
IPC: G11C11/407
Filed: 2001-07-24
Abstract: PURPOSE: To provide a semiconductor storage device in which the pull-out of charges from subword lines is conducted at a high speed and the generation of a leak condition of the threshold value voltage Vt of an access MOS transistor in a memory cell is prevented without increasing the chip size. CONSTITUTION: The connection of the source of a MOS transistor 104 and the drain of a MOS transistor 105 is carried out by connection to the signal line of address signals RA00. The connection of the source of a MOS transistor 104' and the drain of a MOS transistor 105' is carried out by connection to address signals RA02. Control signals RANE are inputted into the gate of a MOS transistor 108 and its drain is connected to the signal line of the address signals RA00 and its source is connected to a GND line. Each of the subword lines of the transistors 105 and 105' are connected to a GNDXDEC line and the transistors 105 and 105' are formed by a small gate width holding a ground potential. The MOS transistors 108 and 108' have a gate width from which a current capacity, that rapidly transitions the subword lines from a boosting potential to a ground potential, is obtained.
Patent KR-20030017667-A (KR)
Title: Hydraulic control system of automatic transmission for vehicles
Inventor: KIM TAE GYUN
IPC: F16H61/00
Filed: 2001-08-21
Abstract: PURPOSE: A hydraulic pressure control system for an automatic transmission of a vehicle is provided to improve fuel efficiency by controlling a power train of an automatic transmission and to use driving force of an engine efficiently. CONSTITUTION: A hydraulic pressure control system for an automatic transmission comprises a manual valve(120), first, second, third, fourth pressure control valves(112,114,116,118), first, second, third, fourth and fifth solenoid valves(SOL1,SOL2,SOL3,SOL4,SOL5), first, second and third switching valves(122,124,126), an N(Neutral)-R(Reverse) control valve(128), a first, a second and a third fail safe valves(130,132,134). The manual valve transforms a passage by interlocking with a select lever. Each pressure control valve is controlled by each solenoid valve. The first pressure control valve selectively supplies an N range pressure to a fifth clutch(C5) and a first brake(B1) from the manual valve. The second pressure control valve selectively supplies a D(Drive) range pressure to a second brake(B2) and the first fail safe valve from the manual valve. The third pressure control valve selectively supplies the D range pressure to a first clutch(C1) and the fifth clutch from the manual valve. The fourth pressure control valve supplies the line pressure to a third brake(B3) and the third fail safe valve. The fifth solenoid valve supplies the pressure from a reducing valve(110) to the first and the second switching valve. The first switching valve switches the passage to supply the D range pressure, the pressure of the first pressure control valve and line pressure to the first clutch and a fourth clutch(C4). The second switching valve switches the passage to supply the pressure from the first pressure control valve to a second clutch(C2) and the first brake. The third switching valve switches the passage to supply the pressure from the second switching valve to the second and the fifth clutches. The N-R control valve supplies an R(Reverse) range pressure from the manual valve to a third clutch(C3). The first fail safe valve cuts off a possible forward travel by the first and the second clutch. The first fail safe valve supplies selectively the pressure from the manual valve and the second switching valve to the first brake. The second fail safe valve prevents simultaneous operations of the first, the second, the fourth clutches and the second brake. The second fail safe valve selectively supplies the pressure from the second pressure control valve to the second brake. The third fail safe valve prevents simultaneous operations of the third brake and the fifth clutch. The third fail safe valve supplies the pressure from the third switching valve to the fifth clutch.
Patent KR-20030017112-A (KR)
Title: The preservation of peace Wireless System
Inventor: LIM YUN GEUN
IPC: G08B25/10
Filed: 2001-08-24
Abstract: PURPOSE: An unmanned security system is provided, which prevents a monitor system paralysis due to line cutting, and provides a qualified crime prevention service by forming a rapid and accurate monitoring network, and provides an internet service to a subscriber additionally. CONSTITUTION: According to a wireless guard system, a sensor and other equipments are connected to a S.T.B, and data is transmitted using a wireless data network of a wireless internet system from the S.T.B to a central control system. A sensing signal is transmitted to the central control center over wireless and the central control center checks where there is an accident or not. The state of a guard area and all information from the occurrence to the end of the emergence are provided to a subscriber through a wireless internet. According to the wireless internet system, the sensing signal is received in the central control center by a point to point method or point to multi-point method.
Patent KR-20030017121-A (KR)
Title: Method for selecting clustering feature using entropy weight and singular value decomposition
Inventor: LEE SOO WON
IPC: G06F17/00
Filed: 2001-08-24
Abstract: PURPOSE: A cluster feature selection method is provided to select attributes representing a cluster based on a clustering result in a post-processing step in a clustering method using the entropy weighting and the SVD(Singular Value Decomposition) which can be applied in selecting a representative word group from a web document cluster or a representative goods group from a customer cluster in electronic commerce transaction data. CONSTITUTION: The method comprises several steps. High dimensional input data, represented by a matrix, gets decomposed into three matrixes and the three matrixes getting stored at corresponding files(S10). Attributes are selected among the decomposed two matrixes for constructing input data of a clustering algorithm, K-means, and a clustering process is performed(S20). An entropy weight of the attributes is obtained on a basis of a clustering result and an attribute frequency of original input data, a similarity between the cluster and the attributes is measured by using the object group information affiliated at the cluster, and a remaining decomposed matrix, and a representative attribute set of each cluster is determined(S30).
Patent KR-20030018246-A (KR)
Title: Method for temperature controlling refrigerator of multiple store
Inventor: SHIN HYEON JAE
IPC: F25D29/00
Filed: 2001-08-27
Abstract: PURPOSE: A method for controlling temperature of a refrigerator with multiple storage compartments is provided to reduce power consumption. CONSTITUTION: A method comprises the steps of: a first step determining whether a compressor is turned on/off; a second step determining whether temperature in a first storage compartment and a second storage compartment is of set value, and turning on/off the compressor accordingly if the compressor is determined to be turned on in the first step; a third step determining temperature in the first storage compartment is of the set value if the compressor is determined to be turned off in the first step; and a fourth step turning off the compressor and opening a first damper and a second damper if the temperature in the first storage compartment is unsatisfactory, and determining whether temperature in the second storage compartment is of the set value if the temperature in the first storage compartment is of the set value so as to turn off the compressor and close the first damper and the second damper if the temperature in the second storage compartment is of the set value, and to turn on the compressor and open the first damper and the second damper if the temperature in the second storage compartment is unsatisfactory.
Patent KR-20030020115-A (KR)
Title: Device for turbo charger protect of engine in vehicle
Inventor: SEO GYEONG IL
IPC: F02B37/00
Filed: 2001-09-03
Abstract: PURPOSE: A turbo charger protecting apparatus for a vehicle engine is provided to prevent a bearing part of a turbo charger from being damaged by supplying engine oil to the turbo charger. CONSTITUTION: A turbo charger protecting apparatus includes an oil pump(100) for supplying oil to an engine. One end of a turbo charger(200) is connected to an intake manifold and the other end of the turbo charger(200) is connected to an exhaust manifold so as to rotate turbine by using pressure of exhaust gas. The turbo charger(200) supplies intake air to the engine by compressing intake air. Oil discharged from the turbo charger(200) is received in an oil pan(300). An accumulator(400) is provided to constantly maintain pressure of oil supplied from the oil pump(100). A pressure regulator(500) is varied depending on pressure of the accumulator(400). First and second check valves(600,700) are provided to prevent oil, which is discharged from the accumulator(400), from penetrating into the oil pump. A solenoid valve(800) supplies oil having predetermined pressure to the turbo charger(200).
Patent KR-20030024081-A (KR)
Title: A song system and its control method
Inventor: HWANG GWANG SUN
IPC: G11B31/02
Filed: 2001-09-15
Abstract: PURPOSE: A karaoke system for bar repetition and a control method are provided to practice singing a song efficiently by playing each bar of the song repeatedly and by displaying the musical note on a video screen. CONSTITUTION: A karaoke system is composed of data units(21,22,23) dividing and storing song data including accompaniment, words and musical notes according to each bar; an operation unit(30) selecting the song by a user and inputting bar repetition function with plural buttons; a control unit(10) reading data from data units according to the input from the operation unit and outputting; a display unit(40) displaying image with data from the control unit; and a speaker(50) outputting voice according to sound data from the control unit. A user sings a song by playing an accompaniment to each bar of the song repeatedly.
Patent KR-20030027218-A (KR)
Title: A caller identification display system and the method thereof
Inventor: CHOI CHANG GU
IPC: H04N21/478
Filed: 2001-09-18
Abstract: PURPOSE: A device and a method for displaying calling party information are provided to detect calling party information provided together with an incoming signal from a telephone to display the calling party information on a television screen. CONSTITUTION: A device for displaying a calling party information includes a tuner(10), a video circuit(20), a microprocessor(60), a calling party detection module(70), a memory(50), an OSD generator(30), and a mixer(40). The tuner tunes a broadcasting signal of a desired channel from a signal received through an antenna. The video circuit transmits the broadcasting signal sent from the tuner to the following stage. The microprocessor generates a signal for controlling the overall operation of a television receiver. The calling party detection module detects the phone number of a calling party from an incoming signal inputted to a telephone through an external telephone line to provide corresponding information to the microprocessor. The memory stores the calling party information provided through the calling party detection module and information such as icons under the control of the microprocessor. The OSD generator generates an OSD signal with respect to the calling party information read from the memory under the control of the microprocessor. The mixer mixes the television broadcasting signal output from the video circuit with the OSD signal to display the mixed signal on a cathode ray tube.
Patent KR-20030025400-A (KR)
Title: a rotary type water pump
Inventor: KIM JEONG TAE
IPC: F04C2/00
Filed: 2001-09-20
Abstract: PURPOSE: A rotary type water pump is provided to improve cutting performance. CONSTITUTION: A housing(10) has one side open. A plurality of water supply holes penetrate a side of the housing at regular intervals. A hollow sleeve(44) is inserted to the water supply hole and has a stepped concave part(47) formed on a periphery thereof and a plurality of drain openings(46) formed on the concave part. A plunger(48) is movably inserted to an inner lower part of the sleeve. A hollow low pressure tube(42) is fixed to an upper part of the sleeve with a ball(43) as an intermediary. A plurality of insertion holes(11) are formed on a periphery of the housing correspondingly with the water supply holes to be fluidically connected with the concave parts of the sleeves by a horizontal channel(13). A pressure forming device(20) is placed on the insertion hole to provide pressure to discharged water. A drain hole(30) is formed on a center of one side of the housing to be fluidically connected with the insertion hole through a vertical channel(14). A hollow high pressure tube(33) is joined to the drain hole. A driving shaft(50) is inserted to the opening side of the housing with a plurality of ball bearings(55) as intermediaries and driven by a motor and has an eccentric cam(51) integrally formed on a periphery thereof. An eccentric guide(53) is fixed on a periphery of the eccentric cam with a needle bearing(52) as an intermediary and has an end of the plunger contacting with a periphery thereof. A cover(60) is inserted to one end of the driving shaft and fixed to the opening part of the housing.
Patent KR-20030028156-A (KR)
Title: Rust proofing oil spray apparatus for strip surface slusher
Inventor: KIM TAEK CHEON
IPC: B21B45/02
Filed: 2001-09-27
Abstract: PURPOSE: An atomization device of rust preventive oil for coating the surface of strip is provided in which oil is directly sprayed on the surface of strip by slight oil atomization device so that oil is always constantly applied on the strip even when speed change and speed deviation of the strip are generated. CONSTITUTION: The atomization device of rust preventive oil for coating the surface of strip comprises an oil supply hole(11) formed in the center of the body(10) to supply rust preventive oil; an atomization hole(12) formed at the front end part of the oil supply hole(11) so that an ionization device(13) is received into the atomization hole(12); atomizing air supply hole(14) and patterned air supply hole(15) sequentially formed on the circumferential surface of the oil supply hole(11); a spraying air supply pipe(16) installed at the center of the front end part of the atomization hole(12); and a guiding member(17) installed at the front end part of the atomization hole(12) in such a way that the guiding member(17) envelopes the circumferential surface of the spraying air supply pipe(16), wherein a guiding vane(18) is rotationally installed in the spraying air supply pipe(16), and a rotating air supply pipe(19) for rotating the guiding vane(18) is installed in rear of the guiding vane(18); and wherein the rotating air supply pipe(19) is formed in a circular form so that rotating air is circumferentially ejected from the rear side of the guiding vane(18), and a plural ejection holes(19a) are formed in front of the rotating air supply pipe(19).
Patent KR-20030028178-A (KR)
Title: Supplement system for hot dip galvanizing solution
Inventor: CHO CHANG IK
IPC: C23C2/00
Filed: 2001-09-27
Abstract: PURPOSE: A system for supplementing hot dip galvanizing solution is provided to solve problems such as temperature control or explosion accident of the galvanizing solution by supplementing zinc ingot molten in the subsidiary hot dip galvanizing bath into a hot dip galvanizing bath after melting zinc ingot in a subsidiary hot dip galvanizing bath. CONSTITUTION: The system for supplementing hot dip galvanizing solution comprises an induction heating unit(11) installed at one side; a subsidiary hot dip galvanizing bath(30) installed at a position adjacent to a main hot dip galvanizing bath(10) into which strip is proceeded, and in which the hot dip galvanizing solution to be plated on the strip is charged; a hot dip galvanizing solution guiding means(40) connected to the main hot dip galvanizing bath(10) at one side of the subsidiary hot dip galvanizing bath(30); and a belt unit(50) installed at a selected place of the hot dip galvanizing solution guiding means(40), wherein a level sensing sensor(32) is installed on one side of the subsidiary hot dip galvanizing bath(30), and a zinc ingot injecting unit(20) is installed on the upper part of one side of the subsidiary hot dip galvanizing bath(30).
Patent KR-20030028336-A (KR)
Title: Double brake apparatus of car
Inventor: AHN DONG WHAN
IPC: B60T11/04
Filed: 2001-09-29
Abstract: PURPOSE: A double brake device of a vehicle is provided to prevent leakage of brake oil or air by maintaining braking force through another pipe although one pipe bursts and by automatically shutting off the burst pipe. CONSTITUTION: In a double brake device of a vehicle, a first brake pipe(4) and a second brake pipe(4a) are connected to a master cylinder(1), to disperse hydraulic pressure. Brake control valves(5), having an outlet connected with an appropriate brake unit(3) and a pair of inlets each connected to the first and second brake pipes, are disposed to the brake unit. A vale plate and a valve shaft are disposed to the inlet side of each brake control valve, to transmit hydraulic pressure of the master cylinder to each brake control valve through the first and second brake pipes. Hydraulic and pneumatic pressure of the master cylinder is supplied to the brake control valve through the two pipes and therefore, braking force is maintained by another pipe although one pipe bursts.
Patent KR-20020028811-A (KR)
Inventor: ISHII HIROSHI
IPC: H04N1/00
Filed: 2001-10-09
Abstract: PURPOSE: An open/close switch mechanism of an image forming apparatus is provided to detect the open/close of an open/close portion simply and cheap, without damaging an open/close operation and appointing an open/close sequence of the open/close portion. CONSTITUTION: A door open/close switch mechanism turns on and off predetermined power of an image forming apparatus(100) in conjunction with an open/close operation of an open/close portion of the image forming apparatus. In the door open/close switch mechanism, an operating member(131) moves in a first direction when a first open/close portion(106) of the image forming apparatus is opened/closed, while the operating member moves in a second direction when a second open/close portion(120) of the image forming apparatus is opened/closed. A switch is provided to turn on and off the predetermined power of the image forming apparatus. And an on/off member(134) is integrally provided with the operating member and turns the switch on only when the on/off member moves to a predetermined position after moved in both the first and second directions.
Patent KR-20030031324-A (KR)
Title: A hitting game machine of a baseball indoor
Inventor: JUNG DONG MAN
IPC: A63F13/21
Filed: 2001-10-13
Abstract: PURPOSE: Provided is an indoor baseball game machine which enables to judge whether a ball hit by users is home run, one-base hit, two-base hit, three-base hit or out so that it gives the users more reality in playing the baseball game. CONSTITUTION: In the indoor baseball game machine which consists of a ball fixing part(1) and a sensing part to sense strength of the ball(12), the ball fixing part includes a movable part(3) at the upper side with a flexible ball support formed, a fixed part(4) at the lower side and a screw fixed part(5) between the movable part and the fixed part. And the sensing part includes a screen(7) with a score board(9), a measurement board for hitting speed(10) and a speaker(11) formed and connects to a control part. The ball is fixed by one side of a body(13) at the lower part of the screen and an elastic band(14).