baber/WOPTO huggingface dataset:
Patent KR-20020010499-A (KR)
Inventor: SASAKI MASAYOSHI
IPC: H02M7/08
Filed: 2001-07-24
Abstract: PURPOSE: To provide a power source system wherein a plurality of power sources are connected in parallel from which power source output characteristics stable with high precision can be obtained without being affected by voltage fluctuation of reverse current preventing diodes arranged in output lines. CONSTITUTION: In each power source unit, a plus side output terminal 13 to be connected with an external load 13, a reverse current preventing diode 31 which is arranged in the precedent stage of the plus side output terminal 13, a VF correction circuit 46 which detects a forward direction voltage of the diode 31 and feeds back a detected voltage to a control part, an output current detecting circuit 45 which detects a forward direction current flowing in the diode 31 and feeds back it to the control part, and the control unit for controlling an anode voltage of the diode 31, are installed. The control unit performs switching control of a transformer 24 in such a manner that the anode potential of the diode 31 is made constant, decreases the anode potential in accordance with the forward direction current of the diode 31, and increases the anode potential in accordance with a forward direction voltage of the diode 31.
Patent KR-20030009999-A (KR)
Inventor: LEE HAN IL
IPC: B23G1/16
Filed: 2001-07-25
Abstract: PURPOSE: A tapping machine is provided to obtain the easy working in tapping and smooth lifting up/down and clockwise and counterclockwise rotation of a tapper. CONSTITUTION: A tapping machine is composed of a positioning device(13) for positioning a material installed at one side of a main body, a tapping dividing device having a plurality of axis index to form a dividing angle, a transmission device, a driving cam and cam follower interlocking with the transmission device, a rotational table operated according to the working cam and cam follower, a driven shaft installed on the rotational table, a four division table and a tapper transmission device. The tapper automatically and continuously works the material with the tapper transmission device.
Patent KR-20030012282-A (KR)
Title: disel engine PM filter regeneration device of using microwave
Inventor: CHAE JAE OU
IPC: F01N3/02
Filed: 2001-07-31
Abstract: PURPOSE: A detachable regenerative device for a Particulate Material(PM) filter using a microwave is provided to continuously regenerate the PM filter and to promote regenerative efficiency by radiating the microwave to the PM filter and regenerating the PM trap. CONSTITUTION: A microwave generator(20) generates a microwave radiated to a PM filter(10) installed at an exhaust system. A wave guide(21) supplies the microwave to the PM filter. A connector(22) connects the end of the exhaust system to the wave guide detachably. A bypass pipe is formed at the front of the PM filter, and discharges burnt materials.
Patent KR-20030012487-A (KR)
Title: Moving picture transmitting/receiving apparatus and method using watermarking and hash function technique
Inventor: CHOI JONG UK
IPC: H04N21/83
Filed: 2001-08-01
Abstract: PURPOSE: A system and a method for transmitting and receiving motion pictures using watermarking and hash function techniques are provided to insert a watermark included in a chip of a video system into a video signal captured in real time and detect the watermark at the reception side to restrict reception of an image, thereby preventing illegal distribution and copy of the original image. CONSTITUTION: A motion picture transmitting system includes a video and audio input unit(110), a watermark insertion unit(120) and a network connection unit(160). The video and audio input unit receives video and audio signals in real time. The watermark insertion unit exists as a chip included in the video and audio input unit or contained in the video and audio input unit, and inserts a watermark into video and audio signals in real time when the signals are input to the video and audio input unit. The network connection unit is used for transmitting the video and audio signals into which the watermark has been inserted.
Patent KR-20020025663-A (KR)
Inventor: ITO YOSHIAKI
IPC: H03L7/093
Filed: 2001-08-17
Abstract: PURPOSE: VCO circuit with wide output frequency range and PLL circuit with the VCO circuit is provided to realize configurations of a voltage-controlled oscillating circuit having a wide output frequency range and capable of suppressing an influence of power source noise and of a phase-locked loop circuit equipped with the voltage-controlled oscillating circuit. CONSTITUTION: A voltage-controlled oscillating circuit receiving supply of a power source voltage to operate, comprising: a voltage generating circuit(11) setting a voltage level of a bias voltage according to a control voltage inputted from outside, the voltage generating circuit(11) including an operational amplifier(12), which is an amplifier of a single-stage configuration, and receiving supply of the power source voltage to operate, the operational amplifier(12) having first and second input terminals electrically coupled with one of the control voltage and a reference voltage and the other of the voltages, respectively, and an output terminal outputting the bias voltage, and the voltage generating circuit(11) further including a feedback portion coupled between the output terminal and one of the first and second input terminals; and a ring oscillator circuit(20) generating a clock having a frequency corresponding to the bias voltage, and having an odd-number of inverters, interconnected in a closed ring, and each inverter receiving supply of the bias voltage to operate
Patent KR-20030016631-A (KR)
Title: Backlight Unit
Inventor: LIM MU JONG
IPC: G02F1/13357
Filed: 2001-08-21
Abstract: PURPOSE: A back light unit is provided to prevent light from leaking through a space between neighboring light guides to improve picture quality. CONSTITUTION: A back light unit includes a light guide, at least two light sources(36), and a reflecting plate(38). The light guide is split into at least two blocks(101,102,103). The light sources irradiate light to the blocks, respectively. The reflecting plate is formed between the blocks to block diffusion of light between the blocks. The light guide is, preferably, split into three. The reflecting plate is formed of aluminum. The reflecting plate is attached to the light guide using epoxy. Each of the light sources includes a red LED for emitting red light, a green LED for emitting green light, and a blue LED for emitting blue light.
Patent KR-20030018187-A (KR)
Title: Low NOx burner technology using premixing of fuuel and oxidizer
Inventor: CHO HAN CHANG
IPC: F23D14/22
Filed: 2001-08-27
Abstract: PURPOSE: Air is supplied firstly and secondly for a sufficient premixing of fuel and air to reduce nitrogen oxide in a burner and to stabilize burning. CONSTITUTION: A second air nozzle hole(16) is formed in a center of a nozzle plate(12) of a burner(10). A first air nozzle hole(14) is formed in concentric line of the second air nozzle hole in a regular interval. 50% of air supplied to the burner is supplied to the first air nozzle hole. A fuel injection nozzle(18) is inserted to the second air nozzle hole having a gap of 5cm. Fuel is injected to the first air for a sufficient premixing of fuel and air.
Patent KR-20030018433-A (KR)
Title: Apparatus and method cleaning the inside of the engine
Inventor: KIM CHOONG HEE
IPC: F02B77/04
Filed: 2001-08-28
Abstract: PURPOSE: An apparatus and a method for cleaning the inside of a vehicle engine are provided to rapidly and precisely clean the inside of the vehicle engine by feeding an engine detergent into the inside of the vehicle engine while the vehicle engine is being operated. CONSTITUTION: A cleaning apparatus for the inside of a vehicle engine includes a cleaning section and a discharging section. The cleaning section includes a filter(1). An inlet of the filter(1) is positioned towards an oil passage of a cylinder block. The filter(1) is connected to the oil passage. A hose(3) is inserted into an outlet of the filter(1). The hose(3) is connected to an oil cap(2) provided in an engine cover. A pressure gauge(4) is attached to the hose(3). The pressure gauge(4) measures internal pressure in the vehicle engine.
Patent KR-20030018812-A (KR)
Title: Method of producing fuel using agricultural wasted plastics
Inventor: KIM GYEONG TAE
IPC: C10L5/48
Filed: 2001-08-31
Abstract: PURPOSE: A method for preparing a solid fuel is provided, to prepare a solid fuel for the furnace for steelmaking by removing the soil component attached to the agricultural waste vinyl effectively and recycling the waste vinyl. CONSTITUTION: The method comprises the steps of crushing the waste vinyl containing the soil component to the size of 50-100 cm; separating the crushed waste vinyl by using the separation means; and forming the separated waste vinyl into a solid fuel. Preferably the rotation velocity of rotation blade cutting the waste vinyl inserted into the separation means is 1,500-2,000 rpm and the separation by the rotation blade is carried out for 3-10 min, and the soil component is removed from the waste vinyl by the rotation of the blade. The waste vinyl and the removed soil component are separated by passing them through a vibrational screen. Preferably the separated waste vinyl is heated to a melting point by passing it through a single screw or dual screw extruder and is formed into a briquette used to a Corex furnace.
Patent KR-20030018880-A (KR)
Title: Press mold preventing side outer pannel from variation
Inventor: KIM IL CHEOL
IPC: B21D24/16
Filed: 2001-08-31
Abstract: PURPOSE: A press mold for preventing deformation of side outer panel so that the panel is prevented from being deformed when forming the panel is provided. CONSTITUTION: In a press mold for forming a panel(21) any one direction of lateral and longitudinal directions of which is relatively longer than the other direction, the press mold for preventing deformation of side outer panel comprises an upper die(10) that is installed in such a way that it is moved up and down; an upper steel(20) which is installed on the lower surface of the upper die, and length of a working part(23) for working the panel of which has length very close to length of the relatively longer direction of the panel; a pad member(30) connected to the lower surface of the upper die; a subsidiary elastic member(40) mounted on a guide member(41) connected to the lower surface of the pad member; a preceding pressing member(50) which is supported to a locking protrusion connected to the lower surface of the pad member, and on which an inserting hole(51) is formed so that the guide member is inserted into the inserting hole; and a lower die(25) on which the panel being held by the preceding pressing member according to descending of the upper die is put.
Patent KR-20030020538-A (KR)
Title: Back light unit for liquid crystal display device
Inventor: KO SEUNG TAEK
IPC: G02F1/13357
Filed: 2001-09-01
Abstract: PURPOSE: A backlight unit of a liquid crystal display device is provided to independently drive illumination light sources of different colors and synthesize the illumination color, thereby controlling white color of the display screen. CONSTITUTION: A backlight unit of a liquid crystal display device includes a lamp unit formed of a multiple lamp(100) having at least two or more light sources(100a-100c). The light sources are driven independently and the color of the light sources are red, green and blue for realizing desired illumination color.
Patent KR-20030022554-A (KR)
Title: Electron gun for CRT
Inventor: LEE BYEONG JU
IPC: H01J29/48
Filed: 2001-09-11
Abstract: PURPOSE: An electron gun for a CRT is provided to prevent interference of magnetic field and eliminate the process for activating a getter by eliminating the necessity of using a getter assembly, while preventing the damage on the CRT. CONSTITUTION: An electron gun comprises a cathode part(31) for emitting electron beams toward a phosphor screen; a plurality of electrodes for controlling, accelerating and focusing the electron beams; and a support(52) for supporting the electrodes. The support is made of a non-evaporative getter material. Alternatively, the support has a part which is made of a non-evaporative getter material and the other part which is made of a bead glass.
Patent KR-20020029855-A (KR)
Title: Matt, biaxially oriented polyester film
Inventor: CRASS GUENTHER
IPC: B65D65/40
Filed: 2001-09-12
Abstract: PURPOSE: Provided is a matt, biaxially oriented polyester film not having the disadvantages of the prior art films, but having in particular a high degree of mattness, very high ease of production and very good processability. CONSTITUTION: The matt, biaxially oriented polyester film has at least one base layer(B) which comprises at least 70 wt.% of thermoplastic polyester essentially consisting of ethylene glycol units and of terephthalic acid units. The film also comprises a pigment system which has the following features: a) the median diameter of the pigment grains(d50) is in the range from 2 to 5 micrometer, b) the scattering of the distribution of the grain size of the pigment grains, expressed via the SPAN 98, is less than or equal to 1.9, and c) the concentration of the pigment grains is in the range from 1.0 to 10 wt.%.
Patent KR-20030024100-A (KR)
Inventor: JUN YONG SEONG
IPC: G06F13/00
Filed: 2001-09-17
Abstract: PURPOSE: A smart card emulator and an emulation method thereof are provided to effectively develop a contact/non-contact smart card and a USB(Universal Serial Bus) card through the simple design modification of a hardware logic. CONSTITUTION: The smart card emulator includes a computer(100), a controlling block(202), two ports(204,208), the first memory block(206), the second memory block(210), a clock generating block(212), a signal processing block(214) and an interface block(216). The controlling block(202) performs entire control needed to perform the emulation of the smart card. The first memory block(206) stores a VHDL(VHSIC(Very High Speed IC) Hardware Description Language) code needed to design the hardware logic. The second memory block(210) comprises an SRAM reading and writing the contents according to the execution of the emulator, a ROM storing an OS(Operating System) program of the emulator and an EEPROM(Electronically Erasable Programmable ROM) storing various application programs. The signal processing block(214) is an FPGA(Field Programmable Gate Array) for realizing a user defined additional function module.
Patent KR-20030024204-A (KR)
Title: Method for operating windshield wiper
Inventor: LEE SANG JONG
IPC: B60S1/08
Filed: 2001-09-17
Abstract: PURPOSE: A method for operating a windshield wiper of vehicles is provided to completely remove the residual washer liquid from the windshield glass by operating the front wiper once again if the vehicle speed is maintained at a level lower than a predetermined level after stoppage of the front wiper. CONSTITUTION: A method for operating windshield wiper of vehicle comprises a first step of operating a rear wiper if a rear wiper switch is switched on; a second step of detecting whether a front wiper driving speed selection switch is switched on, if the rear wiper switch is switched off; a third step of detecting whether the other front wiper driving speed selection switch is switched on if the front wiper driving speed selection switch is switched on; a fourth step of detecting whether a front washer switch is switched on and operating only the front wiper if the front washer switch is switched off; a fifth step of detecting whether a vehicle speed is lower than a predetermined level while operating the front wiper if the front washer switch is switched on; a sixth step of operating the front wiper once again after elapse of a predetermined time since the ending of the front wiper operation if the vehicle speed is lower than the predetermined level; a seventh step of detecting the state of a reverse gear and operating the rear wiper if the reverse gear is in operation; an eighth step of detecting whether a rear wiper speed controller is turned on if the rear wiper switch is switched on; and a ninth step of operating only the rear wiper in a corresponding speed if the rear wiper speed controller is turned on, and operating the rear wiper in a continuous operation mode if the rear wiper speed controller is turned off.
Patent KR-20030026180-A (KR)
Title: Moving pattern marking method on a sheet
Inventor: SHIN YOON SIK
IPC: B29C59/04
Filed: 2001-09-25
Abstract: PURPOSE: A method for forming dynamic moving figures is provided to form moving figures on a plane sheet by using diffused reflection. CONSTITUTION: A dynamic moving figures forming method is composed of a sheet(10) made by melting synthetic resin in a high temperature, one side of melted synthetic resin contacting to a plane roller, and other side thereof connecting to a directional figured roller. The upside of the sheet is made flat, and a diffused reflection bead unit(202) is made by forming pluralities of fine line-shaped projections(200) with a predetermined direction on a rear face(20) thereof. The fine line-shaped projections are followed one after another with a same direction in a longitude, and make in sequence a fine line-shaped projection(200a) with a different direction adjacent to other projection at regular intervals toward a concentric circle.
Patent KR-20020025814-A (KR)
Inventor: HAZAMA HIROAKI
IPC: H01L21/8247
Filed: 2001-09-28
Abstract: PURPOSE: A semiconductor memory device and manufacturing method thereof are provided to overcome the problem of a conventional semiconductor storage device that the capacity between the resistance element of a peripheral circuit part and a substrate is large. CONSTITUTION: A gate oxide film(4) and a first gate electrode material(5) are stacked in order on a semiconductor substrate(1), and then an element isolating region(2) is made. Then, a first insulating film(6) and a second gate electrode material(7) are stacked in order. In a peripheral circuit, a resistance element(7a) is made of this second gate material(7).
Patent KR-20030030135-A (KR)
Title: Repeater using an active filter for mobile communication service
Inventor: LEE DON SIN
IPC: H04B7/15
Filed: 2001-10-08
Abstract: PURPOSE: A mobile communication service relay unit using an active filter is provided to prevent a communication failure due to an interference wave by low-noise amplifying a radio signal received through an antenna to pass only a service frequency band and amplifying it to a high output and providing it to a terminal at a propagation shade area. CONSTITUTION: A forward low-noise amplifier(200) low-noise amplifies a radio frequency signal received from a base station through a base station-directed transmission and reception antenna(ANT1). A forward active filter(300) receives the low-noise amplified radio frequency signal, converts it into an intermediate frequency signal, passes only a service frequency band, and reproduces and converts it into a radio frequency signal. A forward high output amplifier(400) receives the radio signal, amplifies it with a high output and transmits it to a subscriber terminal through a subscriber-directed transmission and reception antenna(ANT2). A backward low-noise amplifier(200') low-noise amplifies the radio frequency signal received from the antenna(ANT2). A backward active filter(300') receives the low-noise amplified radio frequency signal, converts it into an intermediate frequency signal, passes only a service frequency band, and reproduces and converts it into a radio frequency signal. A backward high output amplifier(400') receives the high frequency signal from the backward active filter(300'), amplifies it with a high output, and transmits it to a base station through the base station-directed transmission and reception antenna(ANT1).
Patent KR-20030031283-A (KR)
Title: Object-relational database management system and method for deleting class instance for the same
Inventor: LEE BYEONG SEON
IPC: G06F17/30
Filed: 2001-10-13
Abstract: PURPOSE: An object relational DBMS(DataBase Management System) and a class instance deleting method of the same are provided to guarantee the consistency of a database by completely deleting an object identifier pointer of a requested class and related other class when class instance deletion is requested. CONSTITUTION: A query requested from a data access application program is analyzed(401). If an instance deletion query is requested according to an analysis result, a mutual exclusive lock for a class deleted by the query and a lower class inherited from the class is obtained(406). The instance from the class and the lower class, and at least more than one instance related to the instance are deleted(409).
Patent KR-20030032685-A (KR)
Title: Forming method for storage node of semiconductor device
Inventor: KIM GIL HO
IPC: H01L27/04
Filed: 2001-10-19
Abstract: PURPOSE: A method for fabricating a storage node of a semiconductor device is provided to improve production yield and reliance of the device by leaving a conducting layer to use it as a buffer layer while forming a spacer of the sidewall of a storage node and then eliminating it later to prevent loss of an interlayer dielectric while removing a core insulation layer pattern. CONSTITUTION: A device isolation layer(31) is formed to define an active region on a semiconductor substrate(30). A word line(32) and bit line(33) are formed on the active region. An interlayer dielectric(34) is on the resultant structure and then etched to form a contact hole, on the sidewall of which an insulation spacer(36) is formed. The first conducting layer(37) and a core insulation layer are formed on the surface of the whole structure and then etched to core an insulation layer pattern(40), leaving the conducting layer by predetermined thickness. The second conducting spacer(43) is formed on the sidewall of the core insulation layer pattern and then wet etched, when the first conducting layer is removed simultaneously to form a cylindrical storage node consisting of the first conducting layer pattern and the second conducting spacer. The dielectric layer and the third conducting layer are formed and etched to form a plate electrode and dielectric layer pattern.
Patent KR-20010100170-A (KR)
Title: 우렁쉥이 채묘발의 직조장치
Inventor: PARK ILL SUK
Filed: 2001-10-23
Abstract: 본 발명은 우렁쉥이의 종묘를 채집하고 양식할 수 있는 우렁쉥이 채묘발의 직조장치에 관한 것으로, 더욱 상세하게는 채묘용 로프를 링크 기구에 의해 왕복시켜 배열하고, 두가닥씩 배열된 채묘용 로프를 엮음줄 꼬임장치의 회동체로써 엮음줄을 꼬아서 엮음하므로써 일체의 직조 과정을 하나의 장치에서 수행할 수 있는 우렁쉥이 채묘발의 직조장치에 관한 것이다. 
     본 발명에 따르면, 벨트와 체인과 캠으로 작동되는 구동장치와, 센서가 설치된 채묘용 로프 공급장치와, 링크 기구에 의해 왕복운동되는 채묘용 로프 이송장치와, 라쳇기구에 의해 작동되는 채묘용 로프 정렬장치와, 궤도블록의 내륜에서 회전되는 회전장치와 감속밴드에 의해 작동되는 감속장치의 엮음줄 꼬임장치로 구성된 우렁쉥이 채묘발의 직조장치가 제공된다.
Patent KR-20030034457-A (KR)
Inventor: LEE IN JAE
IPC: G11C7/06
Filed: 2001-10-23
Abstract: PURPOSE: A current sense amplifier circuit is provided to enhance the operational reliability by improving an operating speed under a lower supply voltage and performing stably a sensing operation under a high supply voltage. CONSTITUTION: A sense amplifier(30) is formed with a pull transistor portion(10), a memory cell portion(20), a plurality of transferring gates(TG11,TG22), and a pull-down driving current control portion. The pull transistor portion(10) is connected with a bit line pair(BL,/BL). The memory cell portion(20) is connected with an intersection between the bit line pair(BL,/BL) and a word line(WL). The transferring gates(TG11,TG22) are switched between the bit line pair(BL,/BL) and a sense amplifier portion(30) according to an output signal(yd,/yd) of a column decoder. The pull-down driving current control portion senses the data of the bit line pair(BL,/BL) and control the amount of current applied to a pull-down driver terminal. A driving control signal generation portion(40) receives a chip selector signal and generates a driving current signal to the pull-down driving current control portion.