baber/WOPTO huggingface dataset:
Patent KR-20030090235-A (KR)
Title: Control device of stepping motor for pick-up driving using controller for DC motor
Inventor: JUNG JAE SEONG
IPC: G11B7/085
Filed: 2002-05-21
Abstract: PURPOSE: An apparatus for controlling a stepping motor for driving a pickup by using a controller for a direct current motor is provided to realize precise position control by using a stepping motor through a DC motor control technique. CONSTITUTION: A latch unit(31) receives a digital output signal synchronized with a clock signal of an MPU(Micro Processing Unit)(10) for controlling a DC(Direct Current) motor for synchronizing the same. First and second subtracter-adders(32A,32B) subtract or add output signals of the latch unit according to subtracting and adding control signal. A first register receives an output signal of the first subtracter-adder for storing the same following a storage control signal output from an inner control part and supplying the same to the first subtracter-adder. A second register(33B) receives an output signal of the second subtracter-adder for storing the same following the storage control signal output from the inner control part and supplying the same to the second subtracter-adder. First and second amplifiers(40A,40B) are matched with the first and second subtracter-adders one to one, and amplify the output signals from the first and second subtracter-adders. A stepping motor(20) is operated according to signals output from the first and second amplifiers.
Patent KR-20030091152-A (KR)
Title: Structure for reducing valve noise in compressor
Inventor: CHOI CHANG GYU
IPC: F04B39/00
Filed: 2002-05-24
Abstract: PURPOSE: A structure for reducing noise of a valve of a compressor is provided to reduce opening and closing noise of the valve opening and closing a gas channel depending on difference of pressure in a compression space of a cylinder due to linear reciprocation of a piston. CONSTITUTION: A suction valve(40) includes a thin circular sheet(41) corresponding with a valve contacting surface(S) of a piston(20), a cut groove(42) formed as a question-mark-shaped open curve in the circular sheet; and a coupling part(43) placed on one side of the circular sheet. The suction valve has the circular sheet contacting with the valve contacting surface of the piston, and the coupling part coupled to a head part of the piston by a bolt or welding. A damping part(26) is formed on the valve contacting surface of the piston to damp flow of fluid when the suction valve contacts with the valve contacting surface of the piston. The damping part is formed on the valve contacting surface of the piston as an annular groove with fixed depth to allow the suction valve to be attached on the valve contacting surface without colliding against the valve contacting surface.
Patent KR-20040000897-A (KR)
Inventor: LEE DONG MYUNG
IPC: F16K1/22
Filed: 2002-06-26
Abstract: PURPOSE: The sealing force of the valve is improved by optimizing shape and weight of the seat of the butterfly valve. CONSTITUTION: A butterfly valve is composed of a valve body(10), a valve seat(20), a rotation shaft(30) and a disk. The valve seat is mounted inside of the valve body. The rotation shaft is inserted to the center shaft of the valve body. The rotation shaft is connected to the disk to rotate the disk. A seat receiving portion is formed in the valve body to receive the valve seat. A disk receiving portion is formed in the valve seat to receive the disk. A first groove is formed inside of the seat receiving portion to support the valve seat.
Patent KR-20040001090-A (KR)
Title: A Sound Reproducing System Using Sound Pressure
Inventor: YOON JEONG HUN
IPC: H04R9/00
Filed: 2002-06-26
Abstract: PURPOSE: A voice reproduction system using a sound pressure is provided to enable a user to design variously a shape of the voice reproduction system and to control constantly the sound pressure by improving a structure of a magnet. CONSTITUTION: A voice reproduction system using a sound pressure includes a sound pressure generator(20), a sound pressure controller(40), and a magnet(30). The sound pressure generator(20) is used for generating the sound pressure. The sound pressure controller(40) is formed with a plurality of conductive wires, a thin films sealed between the conductive wires. The conductive wires are arranged in plural columns and plural rows. When sound signal currents are applied to two conductive wires without the thin films, the directions of the currents applied to two adjacent conductive wires are opposite to each other. The magnet(30) includes a plurality of sound pressure paths. The conductive wires are vibrated by the magnetic field of the magnet(30) and the current applied to the conductive wires. A voice signal applied to a wire is reproduced by using the vibration of the conductive wires.
Patent KR-20030005045-A (KR)
Title: Print control apparatus, printing method, and print control program
Inventor: KATO KAZUNORI
IPC: G06F3/12
Filed: 2002-07-05
Abstract: PURPOSE: To surely obtain a printing result intended by a user when printing is performed while one printing job is allocated to a plurality of printers. CONSTITUTION: A virtual distributed printer 12 is constituted so that the printing result intended by the user is surely obtained by detecting attributes of the printing job to be inputted from an application 11, setting the minimum separation unit by which the printing result does not change even when the inputted printing job is separated according to the detected attributes, separating the printing job based on the minimum separation unit and distributively outputting the separated printing job to the plurality of printers 13 to 16.
Patent KR-20040009814-A (KR)
Title: Fabrication method of 1 channel fiber-array
Inventor: KIM DEOK HYEON
IPC: G02B6/40
Filed: 2002-07-26
Abstract: PURPOSE: A method for fabricating a single mode optical fiber array is provided to reduce an error rate of the single mode optical fiber array and enhance the productivity by using the epoxy having a low coefficient of viscosity. CONSTITUTION: Epoxy(53) is coated on a surface of a V-shaped groove block(51) and a V-shaped groove is filled with the epoxy(53). A single mode optical fiber(55) is aligned in the V-shaped groove. The epoxy is coated thereon and a quartz cover(57) is loaded on the V-shaped groove block(51). An end portion of a pressing bar is close to a center portion of the quartz cover(57) in order to apply the predetermined power to the quartz cover(57). The pressure applied to the quartz cover(57) is released by removing the pressing bar. The epoxy(53) is hardened by pressing the center portion of the quartz cover(57) and radiating ultraviolet rays.
Patent KR-20040015441-A (KR)
Title: apparatus for supplying a chemical
Inventor: KIM BU DEUK
IPC: H01L21/304
Filed: 2002-08-13
Abstract: PURPOSE: A chemical supply apparatus is provided to be capable of conserving chemicals containing polyimid resin under a predetermined temperature while the chemicals are used. CONSTITUTION: A chemical supply apparatus(10) is provided with a supply line(103) for supplying chemicals containing polyimid resin, a storing part(101) connected with the supply line for storing the chemicals and supplying the chemicals to the supply line, and a temperature holding part(104) connected with the storing part for conserving a predetermined temperature of the chemicals stored in the storing part. Preferably, the temperature holding part controls the temperature of the storing part in order to conserve the temperature of the chemicals under 7 °C. Preferably, the temperature holding part includes a jacket(105) installed around the storing part and a chiller(107) connected with the jacket.
Patent KR-20040014105-A (KR)
Title: The Manufacture of PP silk using charcoal and silver
Inventor: CHOI MYUNG BU
IPC: D01F6/06
Filed: 2002-08-09
Abstract: PURPOSE: Provided is a polypropylene (PP) yarn which contains charcoal and silver, and is well adapted for use in making light shields or rice bags with the anti-oxidation, long term usage, moisture removal, deodorizing and antimicrobial effects. CONSTITUTION: A method of manufacturing the PP yarn comprises the steps of: pulverizing 1000g of charcoal and 100g of silver, and putting the powder in a vessel; slowly heating the vessel while applying 200ml of nitric acid thereto, and adding caustic soda thereto such that the pH thereof is 7.5 to make a silver powder; dissolving 10g of the silver powder in 100ml of water to make a silver solution; mixing 100ml of the silver solution with 1000g of charcoal to make a charcoal powder; and mixing 50g of the charcoal powder with 1000g of a PP yarn material to make a PP yarn.
Patent KR-20030015879-A (KR)
Title: A protection device against burglars of vehicles
Inventor: SASAKI YOSHIHIRO
IPC: B60R25/102
Filed: 2002-08-16
Abstract: PURPOSE: To immediately know vehicular theft at a base station side by immediately transmitting occurrence of theft and the present vehicle position via an automobile telephone when the vehicle is thieved. CONSTITUTION: This anti-theft system 50 comprises a navigation device 20 for detecting the vehicle position on earth, a security device 10 for detecting theft of the vehicle and the automobile telephone 30 for detecting the vehicle position after detecting the theft and transmitting it to a monitoring center 4. When the security device 10 is in a state not detecting theft, the vehicle positions regularly detected by the navigation device 20 are stored in a memory 16 of the security device 10. When the security device 10 detects the vehicular theft, the latest vehicle position information stored in the memory 16 is transmitted by the automobile telephone 30 and the theft and the thieved vehicle position are known at the monitoring center 4.
Patent KR-20030016182-A (KR)
Title: Composite switch unit for vehicles
Inventor: ITOH TAKEHIKO
IPC: H01H25/00
Filed: 2002-08-19
Abstract: PURPOSE: To provide a vehicular compound switch unit reduced in the number of used printed circuit boards, excellent in assemblability and enhanced in reliability for electrical connection. CONSTITUTION: Plural switching contact points 11a are provided in the printed circuit board 11 for relay for centralizing signals with respect to a vehicle main body to be relayed, plural contact point switching members 12, 13 for switching the switching contact points 11a between a contact condition and a released condition are mounted on the printed circuit board, driving members 3, 7 oscillatable ranging over from an outside of a housing 1 to its inside are attached respectively in longitudinal-directional both ends of the box-like housing 1, the printed circuit board 11 is fixed to an outside of an under face of the housing 1, the contact point switching members 12, 13 are faced toward an inside of the housing 1, the driving members 3,7 are engaged with the contact point switching members 12, 13, the driving members 3,7 are oscillatedly operated to drive the contact point switching members 12, 13, and the switching contact points 11a on the printed circuit board are switched thereby.
Patent KR-20040019162-A (KR)
Title: Mobile phone using bluetooth and display apparatus thereof
Inventor: KANG JEONG RAE
IPC: H04B1/40
Filed: 2002-08-26
Abstract: PURPOSE: A mobile communication terminal using bluetooth is provided to display displayed information on a remote display device through bluetooth communication, and to display more information on one screen, then to enlarge video information when displaying the information, thereby implementing user convenience and user satisfaction. CONSTITUTION: A mobile communication terminal(210) comprises as follows. A keypad(211) inputs a user command for displaying various information. A wireless frequency transceiver(212) transceives wireless frequency band information. A memory(213) stores various information. A main controller(214) controls displaying of information received through the wireless frequency transceiver(212) or the information stored in the memory(213) according to a user's direction through the keypad(211). An LCD(215) displays the information supplied from the main controller(214). A bluetooth transmitter(216) converts the display information supplied from the main controller(214) into a bluetooth communication band signal, and wirelessly transmits the signal to a display device(220).
Patent KR-20040018655-A (KR)
Inventor: PARK SEON HONG
IPC: B62D5/22
Filed: 2002-08-26
Abstract: PURPOSE: A rack bar support device of a steering system is provided to prevent distortion of a support yoke and reduce a rattle noise by installing a roll bearing in front of the support yoke coming in contact with the rear of a rack bar. CONSTITUTION: A rack bar support device of a steering system comprises a rack bar(111) installed inside a rack housing; a yoke cylinder formed integrally with the rack housing, in the rear of the rack bar; a support yoke(132) inserted in the yoke cylinder; a spring disposed in the rear of the support yoke; and a yoke plug(134) supporting the spring and closing the yoke cylinder. The rack bar forms a rack gear(112) in the middle part, to be engaged with a pinion gear(123). The support yoke forms a guide surface in the front, to come in contact with the rear of the rack bar. A roll bearing(150) is installed to the guide surface of the support yoke, to rotate together with the rack bar when the rack bar rotates and to prevent distortion of the support yoke.
Patent KR-20030019252-A (KR)
Title: Electric dust collecting apparatus and ventilation apparatus using it
Inventor: AKAMINE IKUO
IPC: F24F1/00
Filed: 2002-08-30
Abstract: PURPOSE: To provide an electric dust collector which has high dust collecting efficiency by an electrically simple system and can suppress discharge outside an unit. CONSTITUTION: A charging section is constituted of an acicular discharge electrode 2, a first earth electrode 3 and a second earth electrode 4, a dust collecting section is constituted of a dust collecting filter 5 and further a first shielding plate 18 is disposed above the acicular discharge electrode 2. Fine particles are efficiently electrified by corona discharge at the charging section and the dust is collected by the dust collecting filter 5 with high efficiency. Further discharge outside the dust collecting unit 1 is suppressed by the first shielding plate 18.
Patent KR-20040023059-A (KR)
Title: Shock absorber having hybrid variable damping force
Inventor: LEE YEONG CHAN
IPC: F16F9/512
Filed: 2002-09-10
Abstract: PURPOSE: A shock absorber with hybrid variable damping force is provided to improve driving experience by adjusting damping coefficient corresponding to specific frequency of a suspension, and to reduce the number of parts and process by simplifying the structure. CONSTITUTION: A shock absorber has an outer cylinder, and a piston(28) generating damping force with lifting up and down by changing the flow direction of actuating fluid according to external force. The piston comprises an inner pipe(30) sliding on the inner periphery of the shock absorber, a valve plate(34) combined with the lower part of the inner pipe and the lower part of a piston rod(26) with through holes(42) communicated with a lower chamber(40) by an elastic plate(32), a damper rubber(36) forming a piston chamber(44) by connecting the outer periphery of the piston rod to the inner periphery of the inner pipe, and an orifice(38) installed in the passage between an upper chamber and the piston chamber to restrict drastic flow of oil.
Patent KR-20040029216-A (KR)
Title: Semi active mount device in vehicle
Inventor: JUNG BYEONG RYEOL
IPC: B60K5/12
Filed: 2002-09-25
Abstract: PURPOSE: A half-active mount device is provided to maintain the vibration insulation efficiency not only in a low-frequency area but also in a high-frequency area by preventing the sudden change of a spring characteristic value. CONSTITUTION: A resonance member(10) is protruded in an upper case(1) to separate an MR(Magneto-Rheological) fluid area(5) of the upper case to two areas by curing around an opening hole of a plate(3). The resonance member is formed in a hollow conical shape to shield the surrounding of the opening hole. The sudden change of a spring characteristic value is prevented by continuously circulating the MR fluid inside a mount when the vibration of high frequency is transferred. Thereby, the vibration insulation efficiency is maintained not only in a low-frequency area but also in a high-frequency area.
Patent KR-20040028422-A (KR)
Title: Low power driving apparatus for display device
Inventor: MUN SEONG HAK
IPC: G09G3/00
Filed: 2002-09-30
Abstract: PURPOSE: A low power driver apparatus of a display device is provided to reduce power consumption in a panel and a driver apparatus, by including an energy recovery part. CONSTITUTION: According to the low power driver apparatus of a display device displaying image data on a display panel comprising a number of cells, a data driver part(22) inputs image data to the panel according to a driving source power. An external condenser(33) is charged with a voltage by an external power supply. An energy recovery part(31) stores the voltage charged in the external condenser and then outputs it to the data driver part and recovers the voltage charged in a panel condenser of the panel and then stores it. The first switch(32) is turned on/off by an external control signal 1, and inputs a main source power to the data driver part by being turned on when the energy stored in the energy recovery part is discharged to the data driver part completely. The second switch(34) is turned on/off by an external control signal 2, and decreases a voltage inputted to the data driver part to a ground potential when it is turned on.
Patent KR-20040028438-A (KR)
Title: Set top box for supporting a time-shift
Inventor: AHN JUN
IPC: H04N5/76
Filed: 2002-09-30
Abstract: PURPOSE: A set top box for time-shifting viewing is provided to mix OSD(On Screen Display) signals with both video signals of real-time broadcasting channels and video signals for recorded time-shifting viewing, so that a user fully utilizes OSD functions supportable in the set top box by using only one remote controller. CONSTITUTION: An LPF(Low Pass Filter,130) filters CVBSs(Composite Video Baseband Signals) of real-time broadcasting channels. A video decoder(140) digitalizes the filtered CVBSs and converts the digitalized CVBSs into displayable YUV components of real-time broadcasting channels. A codec(100) codes the YUV components to output YUV components for time-shifting viewing or decodes and outputs regenerated YUV components for time-shifting viewing. An HDD(Hard Disc Drive,110) stores the YUV components for time-shifting viewing. A controller(160) controls the selection of the YUV components for time-shifting viewing or YUV components of real-time broadcasting channels upon user's command. A graphic processor(120) selects the YUV components for time-shifting viewing or the YUV components of real-time broadcasting channels, to output the selected YUV components by mixing with generated OSD signals under control of the controller(160). And an encoder(170) encodes output signals of the graphic processor(120) into CVBSs.
Patent KR-20020079714-A (KR)
Inventor: LEE CHANG HWAN
IPC: G06F13/00
Filed: 2002-10-01
Abstract: PURPOSE: A serial interface software smart card dummy terminal is provided to reduce the prime cost by removing a microcomputer from a smart card dummy terminal. CONSTITUTION: A dummy terminal supports a smart card(CON1) for supporting F=1 and D=1,2,4 with the use of the 3.57Mhz crystal(XTAL1). Herein, the F is the clock rate conversion factor, and the D is the bit rate adjustment factor. An exclusive driver corresponds to the rate of the serial interface of a PC to 9600bps, 19200bps and 38600bps. Respective signals of the smart card are directly connected to the interface of the PC, and the smart card is controlled by the exclusive driver. The data layer is processed by the exclusive driver. The DSR signal of the serial interface controls the VCC of the smart card. The RTS controls the RST signal of the smart card. The exclusive driver is informed by the SW signal as the detected signal loaded on the DTR. Then, all signals are controlled by the exclusive driver without a microcomputer.
Patent KR-20040034269-A (KR)
Title: System for driving oil pump in an automatic transmission for vehicles
Inventor: HUH HWAN
IPC: F16H61/00
Filed: 2002-10-21
Abstract: PURPOSE: A system for driving an oil pump of an automatic transmission of a vehicle is provided to improve the power and fuel efficiency of the vehicle by varying to the rotational speed of an engine and optimizating the input RPM(Revolution per Minute) of the oil pump. CONSTITUTION: A system for driving an oil pump(2) of an automatic transmission of a vehicle mounts an increasing and decreasing device for increasing and decreasing the RPM of a pump drive hub(6) to the RPM of an engine between a turbine and the pump drive hub driving a drive gear(4) of the oil pump. The increasing and decreasing device comprises a toroidal-type power transmitting mechanism including an input thrust(8), an output thrust(10), and a roller(12) positioned between the input and output thrusts. The input thrust is connected with the turbine, the output thrust is arranged to integrate with the pump drive hub, and the roller is connected with an actuator(18) controlled by a transmission control unit.
Patent KR-20040036797-A (KR)
Title: Sensor for detecting pulse and its fabricating method and Detecting system using the sensor
Inventor: CHUN KUK JIN
IPC: G02B5/02
Filed: 2002-10-24
Abstract: PURPOSE: A sphygmus detection sensor, a method for manufacturing the same and a sphygmus detection apparatus by using the same are provided to exactly measure the waveform of the radial artery with considering the shape of wrist, thereby improving the reliability of the measurement. CONSTITUTION: A sphygmus detection sensor includes a polymer film(401), a metal conduction layer(402), an insulating layer(403) and a blocking layer(404). The polymer film(401) has a piezoelectric characteristics. The metal conduction layer(402) is formed on both side of the polymer film(401). The insulating layer(403) and the blocking layer(404) are subsequently formed on the metal conduction layer.
Patent KR-20040036325-A (KR)
Title: multi-functioned integrated battery pack
Inventor: LEE MIN HWA
IPC: H04B1/40
Filed: 2002-10-24
Abstract: PURPOSE: A multifunctional composite battery pack device is provided to effectively manage power consumption of circuits of a battery pack by interworking with a power management mode of a mobile phone body. CONSTITUTION: A communication interface unit(30) interfaces with a mobile phone body(10). A power supply terminal(50) supplies power to the mobile phone body(10), Battery cells(310,330) supply DC power to the power supply terminal(50). A detector(700) detects power provided to the power supply terminal(50). A memory(150) stores a main program. A supplementary function providing unit(110) controls a supplementary circuit unit(500) according to manipulation data received from the communication interface unit(30). A power controller(130) cooperatively controls power consumption level of circuits of a battery pack(20) according to power detected from the detector(700).