baber/WOPTO huggingface dataset:
Patent KR-20030064221-A (KR)
Inventor: KISHI TAKAHIKO
IPC: H03L7/00
Filed: 2002-02-28
Abstract: PURPOSE: A frequency converter is provided to reduce the number of multipliers in minimum with having an excellent frequency characteristics. CONSTITUTION: A frequency converter(1) includes a decimeter/mixer(2), an interpolator(3) and a channel filter(56) provided with a plurality of low pass filters(45). In the frequency converter(1), RF/IF signal S(i) is sampled by the analog-to-digital converter(52), the sampled signal is orthogonal and frequency converted from the real signal to the complex signal by the decimeter/mixer(2) and the 1/(M x 1) times decimation is performed. The decimeter/mixer(2) includes a multiplier(11), an adder(12), a delay(13), a multiplexor(14) and an integrator. The integrator accumulatively adds the signal feedback by being delayed at the delay(13) through the multiplexor(14) by again inputting the accumulative sum to the delay(13).
Patent KR-20030071404-A (KR)
Title: Apparatus for duplicating synthesizer in a mobile communication BTS
Inventor: CHO BYEONG GYU
IPC: H04B7/155
Filed: 2002-02-28
Abstract: PURPOSE: A synthesizer duplex device for a mobile communication base station is provided to previously prevent an unnecessary frequency generating and amplifying operation by controlling a power of an active element and operating one VCO(Voltage Controlled Oscillator) and one amplifier. CONSTITUTION: A power control unit(110) generates an RF(Radio Frequency) switch control signal and a power switch control signal according to an alarm signal generated in a PLL(Phase Locked Loop) unit(130) and a power level of a lastly outputted local frequency. A power control unit(120) controls driving powers of the first and second VCOs(133,134) and the first and second amplifiers(150,160) according to the power switch control signal generated in the power control unit(110). The PLL unit(130) drives only the specific VCO controlled in the power control unit(120) between the first and second VCOs(133,134), and generates a local frequency. The PLL unit(130) selects one between outputs of the first and second VCOs(133,134) according to the RF switch control signal outputted from the power control unit(110), and outputs the selected output as a local frequency. The first LPF(Low Pass Filter)(140) filters the local frequency outputted from the PLL unit(130). The first and second amplifiers(150,160) are selectively operated according to a control signal outputted from the power control unit(120), for amplifying an output signal of the first LPF(140). An RF switch(170) selects one between the local frequencies outputted from the first and second amplifiers(150,160) according to the RF switch control signal outputted from the power control unit(110), and outputs the selected local frequency. The second LPF(180) filters an output signal of the RF switch(170), and removes a spurious signal. A power detector(190) provides an output frequency of the second LPF(180) to a mixer terminal, as a local frequency, detects a power strength, and transmits the detected power strength to the power control unit(110).
Patent KR-20020077805-A (KR)
Inventor: HIGASHINO TAKAYOSHI
IPC: B42F13/06
Filed: 2002-03-13
Abstract: PURPOSE: To provide a binder suitable for adoption of a design of applying an operating force in one direction. CONSTITUTION: The binder 10 is equipped with a base 14 having a passage 14A through which a binding leg 13 can be inserted. The base 14 is equipped with a plurality of base forming members 17 which can move relatively along the longitudinal direction, while the members 17 having first and second manipulating parts 22 and 23 which move when the members are moved relatively. The second manipulating parts 23 are separated from each other and press down the binding leg 13 at a binding position when the first manipulating part 22 are made to approach each other, while the second manipulating parts 23 releasing the pressing of the binding leg 13 and simultaneously move in the direction of separating the first manipulating parts 22 from each other when they are made to approach each other.
Patent KR-20030076044-A (KR)
Title: Manufacturing process of the strings for decoration and its product
Inventor: PARK SONG KI
IPC: B44C3/00
Filed: 2002-03-22
Abstract: PURPOSE: A method of manufacturing a string instrument for decoration is provided to form a body of the string instrument as one, thereby reducing an entire manufacturing process as maintaining fanciness and aesthetic beauty. CONSTITUTION: Materials are lumbered by rectangular-shaped plate lumber wood having certain thickness, and are dried(S1). A processor forms an upper surface of the lumber wood with a convex type in width direction, forms a lower surface of the lumber wood with a flat structure, and manufactures a body of a string instrument by forming a head part and a tail part on both ends(S2). Detailed components are reciprocally connected to a body of the string instrument, to complete the string instrument for decoration(S3).
Patent KR-20020079409-A (KR)
Inventor: FUKUDA TOORU
IPC: B66C23/74
Filed: 2002-04-01
Abstract: PURPOSE: A counter weight is provided to improve work efficiency of recycling, to reduce the size of the counter weight, to improve work efficiency of charging or discharging of an iron spherical material, and to improve recycling performance. CONSTITUTION: For a counter weight(4) for filling the inside of a steel-made external wall member(8) with a heavy weight substance(5) such as iron ore, iron scrap, voids of the heavy weight substance are filled with an iron spherical material(11). A welding slug is also available. The whole content constituted of the heavy weight substance, the steel spherical material or the welding slug is solidified with a flammable of soluble resin(21). The whole content is pushed by a resin with expansiveness to enable the whole content to fix. The voids are filled with sand, and the whole content consisting of the heavy weight substance and the sand are solidified with the flammable or the soluble resin. A briquette manufactured by a previously solidifying a granular iron material and/or a powdered iron material is filled. The inside of the steel-made external wall member is filled with either the granular iron material or the powdered iron material. The briquette is also available.
Patent KR-20030079223-A (KR)
Title: Surface treatment method of concrete structure to prevent deterioration
Inventor: SIM HAENG JIN
IPC: E04G23/02
Filed: 2002-04-02
Abstract: PURPOSE: A surfacing method for preventing the deterioration of a concrete structure is provided to improve the affinity and durability of a coating film, to intercept the cause of deterioration such as neutralization, chlorination, freezing and melting, acid rain, gas, acid, etc. and to have excellent adhesive properties and chemical resistance for a long term. CONSTITUTION: The surfacing method for preventing the deterioration of a concrete structure comprises the steps of: polishing with sand paper to remove impurities on the concrete surface; washing with high-pressure water to remove the concrete dust using a high-pressure washer; coating with ceramic surface treatment materials manufactured by mixing ceramic powder and addictive with functional resins; puttying up the hollowed part with putty materials manufactured by adding talc and quartz sand to the same components as the surface treatment materials; decreasing the quantity of the ceramic power added to the surface treatment materials to 28¯50 weight percent, then coating; and placing top coatings manufactured by mixing the ceramic power whose quantity is decreased to 28¯50 weight percent with acryl urethane resins.
Patent KR-20030080835-A (KR)
Title: A method for forecasting soft ground may be fit face ahead in case of tunneling
Inventor: LEE DAE HYEOK
IPC: G01C7/06
Filed: 2002-04-11
Abstract: PURPOSE: A method for predicting abnormal ground at a front of blind end of a tunnel is provided to allow a worker to predict a weak zone and a cavity at the front of the blind end of the tunnel by comparing a displacement of the tunnel with reference data. CONSTITUTION: Reference data for a displacement of a tunnel are inputted based on a ground condition at the front of a blind end of the tunnel(200). A convergence and a crown settlement of the tunnel are measured as a three-dimensional absolute displacement by using optical wave measuring instrument(210). Then, a measuring result of the three-dimensional absolute displacement is displayed in a monitor(220). At this time, vector lines, which are achieved by connecting convergence points and crown settlement points to each other, are also displayed. An axial displacement of the crown settlement is compared with a vertical displacement of the crown settlement so as to detect abnormal ground. When a ratio of the axial displacement of the crown settlement to the vertical displacement of the crown settlement increases, the vector lines proceed towards the tunnel, so that abnormal ground is detected based on the direction of the vector lines.
Patent KR-20030083358-A (KR)
Title: A Cuttinging Device Of Ice Case Loss
Inventor: YMO KYU HO
IPC: B26D7/18
Filed: 2002-04-22
Abstract: PURPOSE: A loss cutting device of an ice-cream bar is provided to increase the productivity by automatically removing the loss from the ice-cream bar with supporting and cutting the loss of the ice-cream bar with upper and lower fixing bars and first and second blades. CONSTITUTION: A loss cutting device of an ice-cream bar is composed of a guide rail(200) composed of an ice cream bar outlet(120) in the front, a loss outlet(130), a driving motor(140), a driving shaft(150) and a groove in the upper part of a body(110); a push bar(220) reciprocating along the guide rail by rotating a first cam(230) connected to the driving shaft and pushing the ice-cream bar unidirectionally; a guide plate reciprocating by rotating a second cam connected to the driving shaft, and moving the ice-cream bar horizontally; a lower fixing bar reciprocating by the third cam and supporting both sides of the loss from the ice-cream bar in the lower part; an upper fixing bar(450) reciprocating by the fourth cam, and fixing the loss in the upper part by interlocking with the lower fixing bar; and a cutter unit having first and second blades cutting the loss, and a removing plate discharging the loss to the loss outlet.
Patent KR-20030084386-A (KR)
Title: Compenastion method of nonlinear thermal bias drift of vibratory gyroscope by using fuzzy logic
Inventor: HONG SEONG GYEONG
IPC: G01C25/00
Filed: 2002-04-26
Abstract: PURPOSE: A method for compensation a thermal bias drift of a vibratory gyroscope is provided to simply and effectively correct the thermal bias drift of the vibratory gyroscope by using the fuzzy logic. CONSTITUTION: Temperature variation generated in a temperature chamber(10) is displayed as a temperature variation waveform(12). A temperature variation value(14) is detected and metered based on the temperature variation waveform(12). Temperature variation detected from an output waveform(22) of a vibratory gyroscope(20), which is bias-drifted due to the temperature variation, is metered as a bias drift output value. Distributed values shown in the output waveform(22) of the vibratory gyroscope(20) are calculated through a linear least square algorithm thereby obtaining the ideal fuzzy logic(40). Then, the metered temperature variation value(14) is applied to the fuzzy logic(40), thereby obtaining a predetermined value. The corrected output value is obtained by subtracting the predetermined value from the metered temperature variation value.
Patent KR-20030086178-A (KR)
Title: Marble chip and filler made of industrial wastes
Inventor: MOON BYOUNG IN
IPC: C08K13/08
Filed: 2002-05-03
Abstract: PURPOSE: Provided are marble chips and fillers forming design patterns of artificial marble, which are produced by using waste materials of products, formed from thermosetting resins, as raw materials, therefore, can cut down expenses for treating the waste materials and prevent environmental pollution caused by the waste materials. CONSTITUTION: The marble chips and the fillers are produced by a process comprising the steps of: removing extraneous matters from the waste materials of products process-formed from the thermosetting resins; classifying colors; grinding; sieving the powder to have proper size according to use; surface-cutting or polishing; coloring and coating; curing; drying; and packing.
Patent KR-20030088784-A (KR)
Title: Plasma cleaning equipment
Inventor: CHOI DAI KYU
IPC: H01L21/304
Filed: 2002-05-15
Abstract: PURPOSE: A plasma cleaning apparatus is provided to be capable of improving the ionization rate of process gas for obtaining high density plasma by using a pair of plate electrodes, each applied with the first RF(Radio Frequency) signal and the second RF signal having a reverse phase corresponding to the first RF signal. CONSTITUTION: A plasma cleaning apparatus is provided with a gas supply part(10) for supplying process gas, an RF oscillator(60) for supplying the first RF signal and a plasma chamber(20) for transforming the process gas supplied from the gas supply part into plasma by using a pair of plate electrodes and carrying out a cleaning process. The plasma cleaning apparatus further includes a phase inversion circuit(40) for supplying the second RF signal having a reverse phase corresponding to the first RF signal, to one out of the pair of plate electrodes, an impedance matching part(50) for matching the first impedance of the RF oscillator with the second impedance of the plasma chamber, and a vacuum pump(30).
Patent KR-20030089353-A (KR)
Title: Manufacture method healthy assistance foodstuffs using the aconite
Inventor: KIM BYOUNG KI
IPC: A23L33/00
Filed: 2002-05-17
Abstract: PURPOSE: A method of producing a health supplementary food product by removing toxicity of Radix aconiti with Zingiberis Rhizoma and then grinding after drying is provided. Therefore, the food product has effects of improving stamina and preventing cancer and enhancing overall health. CONSTITUTION: Radix aconiti is washed, cut to 1 to 2mm, soaked in water for 7 to 8 days wherein water is changed with clean water once every 24hr and dried under sunlight for 2 to 3 days. Then, 600g Zingiberis Rhizoma is spread on the bottom of an earthenware steamer, 900g dried Radix aconiti is placed thereon. The mixture of Radix aconiti and Zingiberis Rhizoma in a ratio of 3:2 is heated at 100 to 200deg.C for 1 to 2hr and dried for 48 to 50hr. The above procedure of heating and drying is repeated 7 to 8 times, Zingiberis Rhizoma is finally dried under sunlight.
Patent KR-20030090142-A (KR)
Title: Film bulk acoustic resonator and method for fabrication thereof
Inventor: LEE JU HO
IPC: H01L41/22
Filed: 2002-05-21
Abstract: PURPOSE: An FBAR(Film Bulk Acoustic Resonator) device and a fabricating method thereof are provided to generate different resonant frequencies by controlling the thickness of active regions of a membrane layer. CONSTITUTION: An FBAR device includes a substrate(310), an insulating layer(320), a membrane support layer(340), a membrane layer(350), a plurality of bottom electrodes(110,210), a plurality of piezoelectric layers(120,220), and a plurality of top electrodes(130,230). The insulating layer(320) is formed on the substrate(310). The membrane support layer(340) is formed on the insulating layer(320). The membrane support layer(340) includes a plurality of air gaps(335). The membrane layer(350) having a plurality of active regions is formed on the membrane support layer(340). The bottom electrodes(110,210) are formed on the active regions, respectively. The piezoelectric layers(120,220) are formed on the bottom electrodes(110,210), respectively. The top electrodes(130,230) are formed on the piezoelectric layers(120,220).
Patent KR-20030096595-A (KR)
Title: Cooling and lubrication apparatus for piston
Inventor: SHIN JEONG SU
IPC: F02F3/20
Filed: 2002-06-17
Abstract: PURPOSE: A lubricating and cooling structure of a piston is provided to improve the durability and cooling efficiency of the piston by always filling first and second reservoirs with oil. CONSTITUTION: An oil storing unit(22) is formed in a piston(20), and is communicated with the outer circumference of the middle part of the piston to discharge oil into the inner wall of a cylinder. An oil hole(31) is formed in a connecting rod(30), and injects the oil pumped by an oil pump into the oil storing unit. The oil storing unit includes a first reservoir(23) formed at the middle part of the piston and communicated with the oil hole, and a second reservoir(24) in which the overflowing oil gathers.
Patent KR-20030097063-A (KR)
Title: A Grip For Umbrella
Inventor: CHUNG MYUNG YUNG
IPC: A45B9/02
Filed: 2002-06-19
Abstract: PURPOSE: An improved umbrella handle is provided, which is capable of advertising with an increased display area and has an aesthetically pleasing appearance. CONSTITUTION: The umbrella handle(1-1) is made of a transparent material and comprises: an inner cap(2) having a rib receiving recess(2-1), a shaft threaded portion(3), an outer circumferential surface(4), a bottom surface(5), and a pad connecting groove(7); and an outer cap(10) having an inner cap connecting groove(11), wherein the outer circumferential surface(4) and bottom surface(5) are used as an advertising layer(6), a separately provided pad ring(8) is inserted into and is integrally formed with the pad connecting groove(7) of the inner cap(2), and the inner cap(2) is inserted into the inner cap connecting groove(11) of the outer cap(10) to be integrally injection-molded.
Patent KR-20040001571-A (KR)
Title: Sewage collector equipment and auto driving method thereof
Inventor: RYU HAN CHEON
IPC: B61D35/00
Filed: 2002-06-28
Abstract: PURPOSE: Provided is a night soil collecting apparatus, and a method for automatically operating the same to reduce work force and cost in collecting night soils is also provided. CONSTITUTION: The apparatus comprises a control panel(111) having buttons used for automatically controlling operation of the apparatus, collecting tanks(123,148) with a moisture intercept device which controls moisture and night soil mist when night soils in the collecting tanks(123,148) are discharged to a sewage treatment plant for storing collected night soils when it is not full, level switches(125,146) for checking high level of the collecting tanks(123,148), suction valves(147) opened and closed based on level of the collecting tanks(123,148), night soil discharging valves(127,150) opened when the tanks(123,148) are high level and closed when the tanks(123,148) are not high level, gas exhausting valves(119,144) opened when the tanks(123,148) collect night soils to make inside of the tanks(123,148) vacuum state and closed when the tanks(123,148) discharge the night soil, vacuum pumps(134,136) connected to the gas exhausting valve(119,144) for making inside of the tank vacuum state by pumping out air in the tanks(123,148), pressure air valves(118,145) opened before the tanks(123,148) discharge night soils for introducing compressed air to the tanks(123,148), and drainage tanks(122,141) for collecting foreign materials in the collecting tanks(123,148) and discharging it to a sewage treatment plant through drain valves(121,142). The method comprises the steps of setting initial states of valves and a vacuum pump when a standby button on a control panel is selected; selecting an automatic control mode when an automatic button is selected; collecting night soils by starting a vacuum pump; stopping the vacuum pump and introducing compressed air into a night soil collecting tank when the tank is high level; and discharging the night soils in the tank to a sewage treatment plant.
Patent KR-20040003711-A (KR)
Title: Photosensitive drum for laser Printer
Inventor: LEE MIN SU
IPC: G03G15/02
Filed: 2002-07-03
Abstract: PURPOSE: An apparatus for earthing a photosensitive drum of a laser printer is provided to prevent printing quality from being deteriorated due to poor earthing. CONSTITUTION: An apparatus for earthing a photosensitive drum of a laser printer includes a photosensitive drum(30) and an earthing member(50). The photosensitive drum is detachably set in a printer main body. One end of the photosensitive drum is combined with a drum gear(20). The earthing member is placed inside the photosensitive drum and coaxially combined with the drum gear when the photosensitive drum is inserted into the printer main body to elastically come into contact with the front end of a driving axis(40). The earthing member includes a ring-shape body(51) fixed to the inner side of the photosensitive drum, a contact plate(53) coming into contact with the front end of the driving axis, and a plurality of elastic ribs(55) for connecting the contact plate with the body and moving the contact plate forward and backward.
Patent KR-20030019846-A (KR)
Title: waterproof connector
Inventor: SAI NORIAKI
IPC: H01R13/52
Filed: 2002-07-09
Abstract: PURPOSE: To provide a water-proof connector of a low cost in which an electric- wire support cover which supports an electric wire and a housing are not dam aged for perfect water resistance, while the number of mold parts is minimum. CONSTITUTION: A water-proof connector 1 comprises a housing 10 which, receiving a terminal connected to the end of an electric wire W, is provided with a plurality of terminal housing chambers 11 extending axially, and an electric- wire support cover 20 which, disposed on the electric-wire drawn side of the housing 10, supports the electric wire W. The electric-wire support cover 20 is integrally molded with the housing 10 through a connection part 29 on the electric-wire drawn side. After the terminal is housed in the terminal housing chamber 11, the connection part 29 is broken, and the electric-wire support cover 20 is shifted in the direction orthogonal to the axial direction of the terminal housing chamber 11 and disposed at a prescribed position on the electric-wire drawn side.
Patent KR-20040008465-A (KR)
Title: Manufacturing method for phase shift mask of semiconductor device
Inventor: KIM SEO MIN
IPC: H01L21/027
Filed: 2002-07-18
Abstract: PURPOSE: A method for manufacturing a phase shift mask of a semiconductor device is provided to be capable of increasing the contrast between a phase shift region and a phase non-shift region. CONSTITUTION: A phase shift layer and a translucent layer are formed at the upper portion of a transparent substrate(11). A photoresist pattern(17) is formed at the upper portion of the resultant structure. A translucent pattern(16) and a phase shift pattern(14) are sequentially formed by selectively etching the resultant structure using the photoresist pattern as an etching mask. An under-cut portion is formed at the lateral portion of the translucent pattern by carrying out an etching process. Then, the photoresist pattern is removed.
Patent KR-20040009304-A (KR)
Title: a method for ignition signal controlling of C.N.G BUS
Inventor: HAN GYEONG SU
IPC: F02P9/00
Filed: 2002-07-23
Abstract: PURPOSE: A method is provided to prevent the power transistor of the ignition control module from being over-heated by controlling the rising time of the ignition system. CONSTITUTION: A method comprises a step(S100,S110) of calculating the dwell time of the current of the ignition coil side when the engine starts; a step(S120) of judging whether the dwell time of the current of the ignition coil side is longer than the preset time; and a step(S130) of decreasing the current time by one step if the dwell time of the current of the ignition coil side is longer than the preset time.