baber/WOPTO huggingface dataset:
Patent KR-20020057548-A (KR)
Title: Linear compressor and operating control method thereof
Inventor: KANG JEONG HUN
IPC: F04B17/04
Filed: 2001-01-05
Abstract: PURPOSE: A linear compressor and method controlling operation of the same are provided to reduce power consumption on fluctuation of load of the compressor. CONSTITUTION: A compressor includes a frequency changing part(69) dividing frequency of power supplied to a driving motor(131) into a plurality of steps within preset range; a current detective part(71) detecting operational current according to displacement of a piston detected by a displacement sensor for each step of the frequency; and a control part(65) deriving minimum operational current among operational current for each of the frequency steps and determining frequency corresponding with the minimum operational current to control the driving motor based on the operational frequency.
Patent KR-20020060535-A (KR)
Title: Manufacturing methods of protein coordinate polymer and calcite compound
Inventor: CHO JONG SOO
IPC: C07F5/06
Filed: 2001-01-11
Abstract: PURPOSE: Provided is a manufacturing method of protein coordinate polymer and calcite compound by using a waste eggshell to mass-produce natural wall paper, natural paint and artificial leather which are toxic and pollution free stuffs. CONSTITUTION: The manufacturing method comprises the steps of: pulverizing a waste eggshell without separating ovalbumin, collagen and calcite; gelatinizing ovalbumin and collagen to form membrane on the surface of a calcite particle; adding coordination complex thereto for coordinate bonding reaction therewith; and adding a masking agent to manufacture a collagen coordinate polymer which has excellent heat and water resistance, and moisture permeability and elasticity.
Patent KR-20020065655-A (KR)
Title: A hardened skin clearer
Inventor: YI SUN YONG
IPC: A47K7/00
Filed: 2001-02-07
Abstract: PURPOSE: A tool for removing hardened skin is provided to improve the convenience of carrying and storage thereof, and to enable a user to easily remove the hardened skin by maximizing an abrasion force thereof. CONSTITUTION: The tool for removing hardened skin comprises a body(100) formed with a receiving groove(110) having a certain size and shape; and a ceramic plate(200) having a size and shape corresponding to the receiving groove of the body so as to be attached and fixed inside the body, and ceramic powder(210) having a relatively large particle size is stacked on the portion of the ceramic plate contacting with the hardened skin in order to maximize an abrasion force of the tool.
Patent KR-20020066473-A (KR)
Title: Voltage controlled variable tunning circuit for switchover of oscillation frequency band in voltage controlled oscillator
Inventor: HWANG SU SEOL
IPC: H03B5/18
Filed: 2001-02-12
Abstract: PURPOSE: A voltage controlled variable tuning circuit for converting an oscillating frequency bandwidth of a voltage controlled oscillator(VCO) is provided, which is operated at high frequency bandwidth without changing inductor length by varying capacitance. CONSTITUTION: A voltage controlled variable tuning circuit(24) for converting an oscillating frequency bandwidth of a VCO(voltage controlled oscillator) includes the first capacitor(20) connected between an oscillating circuit(16) and a control voltage terminal(14) for inputting a control voltage for varying the oscillating frequency, a variable capacitance device connected between the control voltage terminal(14) and a reference voltage, an inductor(22) connected to the variable capacitance device in parallel and the second capacitor(26). The voltage controlled variable tuning circuit(24) further includes a frequency bandwidth conversion circuit(30) for selectively connecting the first capacitor(20) to the second capacitor(26) in parallel in response to the frequency bandwidth.
Patent KR-20020074860-A (KR)
Title: Air spring auxiliary system for vehicle
Inventor: KIM HAN CHEOL
IPC: B60G17/052
Filed: 2001-03-22
Abstract: PURPOSE: An auxiliary device of an air spring is provided to improve the riding comfort by opening a solenoid when a buffer rubber is closed to an optical sensor and to improve the steering property by supplying air to the inclined side of a car body in a rapid steering. CONSTITUTION: Tube bodies(4) and solenoid valves(5) are installed between an air tank(1) and airbags(31) of air springs(3). Buffer rubbers(6) and optical sensors(7) are installed in the ceilings and the bottoms of the airbags. In operating the optical sensors by rapidly changing the height of the buffer rubbers, the corresponding solenoid valve is automatically opened to quickly supply air into the airbag of the corresponding air spring having no concern with the opened amount of a leveling valve(2). Thereby, the riding comfort and the steering property of a vehicle are improved.
Patent KR-20020075964-A (KR)
Title: Multi-axis stage control device using frictionless flexure bearings
Inventor: BAE SANG SIN
IPC: H01L21/027
Filed: 2001-03-26
Abstract: PURPOSE: A multi-axis stage control unit using a frictionless elastic bearing is provided to reduce fabrication costs by simplifying a structure of the multi-axis stage control unit. CONSTITUTION: An X-axis stage(8) is installed by using a plurality of frictionless elastic bearings(4,5,6,7) in a base(3). A Y-axis stage(13) is installed by using a plurality of frictionless elastic bearings(9,10,11,12) on the X-axis stage(8). A θ-axis stage(15) is installed by using a twist elastic rotation axis on the Y-axis stage(13). A mask(16) is mounted on the θ-axis stage(15). An X-axis location sensor(17) faces an X-axis actuator(18) on the X-axis stage(8). A Y-axis location sensor(19) and a Y-axis actuator(20) are installed on the Y-axis stage(13). A rotation drive portion(21) and a θ angle location sensor(22) are installed on the θ stage(15).
Patent KR-20020076026-A (KR)
Title: Mounting bracket of radiator having aluminum tank and method for attaching thereof
Inventor: BAE SEONG WON
IPC: B60K11/04
Filed: 2001-03-27
Abstract: PURPOSE: A mounting bracket of an aluminum tank radiator and the installation method are provided to improve productivity of a radiator and to reduce the cost. CONSTITUTION: A mounting bracket(20) of an aluminum tank radiator comprises a pair of vertical joining unit(21a) joined on both side surfaces of an aluminum header tank(10), a horizontal joining unit(21b) joined on the top of the aluminum header tank, and a mounting unit(23) protruded from the horizontal joining unit. The horizontal joining unit connects the vertical joining units. The mounting unit is protruded by a deep drawing and formed to the horizontal joining unit in one. The mounting bracket is produced with a series of processes by a press working. Therefore, productivity of the mounting bracket is improved, and the cost is reduced.
Patent KR-20020078515-A (KR)
Title: A manufacturing method of rotarya edge of a sword for a farm implement
Inventor: KIM YONG BONG
IPC: B21H7/10
Filed: 2001-04-03
Abstract: PURPOSE: A manufacturing method of rotary blades for farm machinery is provided to reduce material cost by adding up lengths of two blades and a cut piece to prepare the material, and shorten manufacturing processes of the rotary blades by simultaneously removing the cut piece, holes and blade forming portions of a middle part. CONSTITUTION: The manufacturing method of rotary blades for farm machinery comprises the steps of preparing a material(2) in which length of two rotary blades two inclined sections of which are put into contact with each other is added up with length of a cut piece(3); obtaining two rotary blade materials(1',1") by cutting the prepared material(2) in the hot working state in such a way that a middle point of the material(2) is slantly cut in a reversed "Z" shape, thereby removing the cut piece(3), holes(5) and blade forming portions(4,4'); and manufacturing rotary blades(1) by bending the tapered blades(6) after forming tapered blades(6) in the hot rolling process by supplying the rotary blade materials(1',1") one after another.
Patent KR-20020078610-A (KR)
Title: Segmentation method for interesting object in natural infrared images
Inventor: PARK HYEON UK
IPC: H04N7/18
Filed: 2001-04-06
Abstract: PURPOSE: A method of separating an object of concern in an infrared image is provided to separate the object of concern from the infrared image rapidly and effectively by using both of fuzzy image separation method and edge detection method. CONSTITUTION: An area of concern including an object of concern is selected from an infrared image, a reference brightness and a reference position of the area of concern are obtained. Fuzzy thresholding is performed for the selected area of concern to separate the background and the object of concern from each other(240). For the selected area of concern, an expanded image and an eroded image are generated. The two images are compared with pixel values of the original image to be replaced with pixel values similar to the pixel values of the original image, to create a contrast expanded image(300). The edge is detected from the contrast expanded image(400). The fuzzy-thresholded image and the image from which the edge was detected are ORed(500).
Patent KR-20010070542-A (KR)
Title: Magnetic disk apparatus
Inventor: KATOU YUKIO
IPC: G11B5/60
Filed: 2001-05-14
Abstract: PURPOSE: To control the attitude of a slider in contact with a disk surface by restricting the rotation of the slider in such a manner that a gimbal rotating with the slider jumped from the disk surface is brought into contact with a roof. CONSTITUTION: A constricted part is provided at the tip side of a planar part 12a of a flange part 12, and a pivot 13 and the roof 14 are provided at the tip side. Under this roof 14, the slider 4 is mounted on the tip part of the gimbal 20 by bonding. The thickness of the gimbal is decided by the size of the slider, the height of the pivot is decided by the stability of press working of a thin plate, and the thickness of a load beam is decided from the elastic modulus of a spring part. The slider is supported by a flexible finger part without restricting the movement of the slider in the direction perpendicular to the floating surface of the slider (direction out of the surface). Even though the slider is rotated by the external impact, etc., the slider is prevented from rotating in more than a prescribed angle since the tip of the flexible finger part is brought into contact with the roof 14.
Patent KR-20020090574-A (KR)
Title: Organic electroluminescent display and method for forming same
Inventor: CHOI DONG GWON
IPC: H05B33/00
Filed: 2001-05-28
Abstract: PURPOSE: An organic electroluminescent display and a manufacturing method thereof are provided to increase an effective luminescent area of the organic electroluminescent display by using first and second TFTs(Thin Film Transistor) whose gates are connected in common. CONSTITUTION: First and second TFTs(110a,110b) whose gates are connected in common are turned-on in response to a gate driving signal. A switching unit(110) has a diode(114) for connecting the gates of the first and second TFTs(110a,110b). A capacitor(112) is connected to a node. The node is connected to the commonly connected gates of the first and second TFTs(110a,110b) and a source of the second TFT(110b). An organic electroluminescent display(116) is connected to a drain of the first TFT(110a) of the switching unit(110).
Patent KR-20010070841-A (KR)
Title: Method for Extraction, Isolation and Identification of trans-Resveratrol and Its Derivatives with Anticarcinogenic and Antimutagenic Activity from Paeonia lactiflora Seeds
Inventor: BAE SONG JA
IPC: A61K36/65
Filed: 2001-06-12
Abstract: PURPOSE: A method for extracting resvedratrol and derivatives thereof having high anticancer and antimutagenic effect from a Paeoniae radix seed is provided. Whereby, the compound can be used for a medicine for prevention and treatment of cancer and functional food material. CONSTITUTION: This resvedratrol and derivatives thereof are extracted by the process consisting of: removing grease from dried Paeoniae radix seed powder by adding n-hexane; concentrating under reduced pressure at room temperature after adding methanol to the defatted Paeoniae radix seed; obtaining an extract by column chromatography; and recrystallizing after separating using a sepadex LH-20 and fraction-high speed liquid chromatography.
Patent KR-20020095851-A (KR)
Title: Electromagnetic position an presumption apparatus of injector
Inventor: KIM DEOK JIN
IPC: G01B7/24
Filed: 2001-06-16
Abstract: PURPOSE: An injector mover position estimation device is provided to reduce error of estimation by directly measuring displacement of the injector mover through the back electromotive force induced to the coil arranged around the mover. CONSTITUTION: An injector(10) comprises a driver coil(12) arranged within a housing(11) of the injector, which generates magnetic field when applied with a power; and a mover(13) operating by the magnetic field generated by the driver coil. A measurement coil(14) is installed around the mover, and a voltage meter(15) is arranged to the measurement coil. The electromotive force which varies in accordance with the upward and downward displacement of the mover is measured through the voltage meter, to thereby estimate position of the mover.
Patent KR-20020097398-A (KR)
Title: Cup holder of an automobile
Inventor: LEE JONG SEON
IPC: B60N3/10
Filed: 2001-06-20
Abstract: PURPOSE: A cup holder of a vehicle is provided to improve the appearance by restricting exposing in not containing a cup or a can, and to use the cup holder conveniently by placing the cup holder around a glove box selectively according to the body shape of a passenger. CONSTITUTION: A cup holder is composed of a support bar(30) having a containing part(31) in the lower part of a glove box, and a transfer unit moving the support bar to the right and the left below the glove box. The transfer unit has a bracket(10), a guider(20) and a leaf spring(40). Appearance is improved without exposing by turning the cup holder below the glove box in not containing the cup. The cup is placed on the containing part by turning the support bar around a hinge shaft(50). The cup holder is used conveniently by moving the guider along a guide rail(11).
Patent KR-20010079144-A (KR)
Title: Examining device for multi-type watt-hour meter
Inventor: KIM JONG BUN
IPC: G01R11/32
Filed: 2001-06-16
Abstract: PURPOSE: A meter reading apparatus is provided to achieve an improved reliability and provoke consumer's attention to power consumption by comparatively displaying power consumption of the current and previous months and accumulated power consumption. CONSTITUTION: A meter reading apparatus comprises consumer selection buttons(3,3') for selecting consumers(1,1') connected to power detectors(10,10'); an accumulated power consumption display window(2) for displaying accumulated power consumption of the selected consumer; a current month power consumption display window(4) for displaying power consumption at the time of meter reading; and a previous month power consumption display window(7), wherein consumer selection buttons and all windows are arranged at the front surface of the apparatus. A driver circuit for the electrical energy metering system includes an input unit(100) constituted by power detectors and data converters(20,20'); a one-chip processor(200) constituted by memories(30,30') and a central processing unit(40); a control unit(300) constituted by an uninterrupted timer(50) and data transmitters(60,60') and a subtractor(70); and a communication processing unit(400).
Patent KR-20030000224-A (KR)
Title: A circuit of bist for memory
Inventor: JUNG BYEONG GWON
IPC: G11C29/00
Filed: 2001-06-22
Abstract: PURPOSE: A BIST(Built-In Self Test) circuit for memory is provided to test simultaneously a plurality of memories by simplifying a structure of the BIST circuit. CONSTITUTION: A test pattern and address generator(100) receives a control signal for testing a state of memory and outputs a test pattern signal and an address signal. A control portion(110) outputs a signal for controlling a test state of memory and a normal operating state of memory. The first MUX(120) outputs the test pattern signal according to the test pattern signal and the address signal of the test pattern and address generator(100) and a test state signal of the control portion(110). A memory portion(130) tests an internal circuit according to the test pattern signal and outputs the test pattern signal. The memory portion(130) is formed with a plurality of memories(135). The first DMUX portion(140) is formed with the first DMUXs(145). The second DMUX(160) outputs the test pattern signal according to the test pattern signal of the memory portion(130) and a control signal of the control portion(130). The second MUX portion(150) is formed with the second DMUXs(155). A comparator(170) compares the test pattern signal of the second DMUX(160) with the test pattern signal of the test pattern and address generator(100).
Patent KR-20030000594-A (KR)
Title: Phase interpolation control circuit
Inventor: SONG WON SEOP
IPC: G11C11/407
Filed: 2001-06-26
Abstract: PURPOSE: A phase interpolation circuit is provided to control a current source of a phase mixing portion through a bit switch by generating the amount of full scale current from a bias generation portion. CONSTITUTION: A bias generation portion(100) generates bias current. A bit switching portion(200) is enabled by a bias signal(bias) generated from the bias generation portion(100). The bit switching portion(200) outputs analog signals(lout,loutb) to nodes(Nd15,Nd16). A current path to a ground node is determined by the analog signals(lout,loutb) of the nodes(Nd15,Nd16). A phase mixing portion(400) received the first input signal and the first input bar signal(InE,InEb) and the second input signal and the second input bar signal(InO,InOb) and generates phase-interpolated signals(out,outb) to nodes(Nd13,Nd14). The bias generation portion(100) is formed with a bias generation terminal(22) and PMOS transistors(P11,P12), The bit switching portion(200) is formed with NMOS transistors(N30 to Nn) of n number and transfer gates(G11-Gn) of N/2 number. The phase mixing portion(400) is formed with resistances(R11,R22) and NMOS transistors(N88,N99,N110,N140).
Patent KR-20030003373-A (KR)
Title: Manufacturing method for semiconductor device
Inventor: KANG CHANG YONG
IPC: H01L21/762
Filed: 2001-06-30
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to improve reliability and throughput of manufacturing process by solving INWE(inverse narrow width effect). CONSTITUTION: An STI structure is formed on a semiconductor substrate(1). A nitride and a pad oxide layer are removed and a nitride layer is deposited. A nitride space remaining a sidewall of edge portion in an active region is formed by etch-back process. A screen oxide layer is formed on the exposed semiconductor substrate. The nitride space is removed and the edge of the screen oxide layer(13) have thinner than the center portion. An ion implantation is performed to control threshold voltage.
Patent KR-20010090024-A (KR)
Inventor: KIM GYEON SU
IPC: H04N21/2343
Filed: 2001-07-05
Abstract: PURPOSE: An apparatus and a method for encoding a multi-channel video signal are provided to process video signals of various channels in one encoder by using a time-sharing method and a space-sharing method. CONSTITUTION: Four video signals are inputted into decimation filters(101,102,103,104) of each channel. The decimation filters(101,102,103,104) reduce sizes of the video signals to 1/4. The reduced video signals are frame buffers(121,122) in order to compose one screen. The time-sharing frame buffer(121) stores the video signals and outputs sequential video signals(131). The sequential video signals(131) are inputted into an encoding portion(141). Four encoded bit streams are output from the encoding portion(141). The space-sharing frame buffer(122) outputs a synthesized signal(132) of the decimated video signals. The synthesized signal(132) is inputted into the encoding portion(142). One bit stream is generated from the encoding portion.
Patent KR-20030005780-A (KR)
Title: a beam conversion device of headlight for an automobile
Inventor: JUNG JU GAP
IPC: B60Q1/04
Filed: 2001-07-10
Abstract: PURPOSE: A beam converting device of headlights for a vehicle is provided to reduce the size of the headlight and expenses by converting and combining high beam and low beam conveniently and promptly with a single bulb, and to vary the design of the headlight by adjusting the angle of a lens. CONSTITUTION: A beam converting apparatus for headlights is composed of an operating shaft(20) installed and turned in the lower part of a lens holder(10); a bulb shield installed in the middle of the operating shaft, and placed in the lower part of the lens holder; a return spring(40) installed in the end of the operating shaft; an operating cam(50) installed in the operating shaft; and a driving unit(60) converting low beam or high beam of a high beam bulb(70) with the bulb shield by driving the operating cam. Expenses are reduced with converting and combining the high beam and the low beam with the single bulb.
Patent KR-20030006268-A (KR)
Title: A apparatus testing an operating state of an evaporative loss control system and a method thereof
Inventor: PARK SANG DEOK
IPC: F02D43/00
Filed: 2001-07-12
Abstract: PURPOSE: An operation detector and method of a fuel evaporation gas exhaust suppression system is provided to reduce fuel consumption and pollutants. CONSTITUTION: In an operation detector and method of a fuel evaporation gas exhaust suppression system, a general scan tool transmits control data and control programs to an engine control unit, by first communication protocol, through a communication line(S21). The engine control unit controls the working state of a fuel evaporation gas exhaust suppression system and transmits the result data, with using data transmitted from the general scan tool and a control program(S27). The general scan tool reads the data transmitted from the engine control unit, decides the operation of the fuel evaporation gas exhaust suppression system, transmits the control data and the control program to the engine control unit, and re-examine the fuel evaporation gas exhaust suppression system, through second communication protocol if the operation of the fuel evaporation gas exhaust suppression system is abnormal(S200).
Patent KR-20030009966-A (KR)
Title: TV chennel Scramble System
Inventor: JEONG IL YOUNG
IPC: H04N5/913
Filed: 2001-07-24
Abstract: PURPOSE: A TV channel self-scrambling system is provided to set a channel among a plurality of television channels at a receiving side and scramble or descramble the channel. CONSTITUTION: In a TV(1), channel trap and a switching diode are connected in parallel at a side to which a plurality of channels are input, to control channel trap. A trapped signal and an RF signal of an oscillator are mixed and modulated and the resultant signal is received by an antenna terminal. Only a set channel is scrambled or descrambled under the control of a controller. A parallel trap circuit is inserted into a broadcasting signal input part, and the output signal of the circuit and an RF oscillating signal having the same frequency as the frequency of the output signal are mixed.