baber/WOPTO huggingface dataset:
Patent KR-20010011871-A (KR)
Inventor: YOO JONG SU
IPC: E01F8/00
Filed: 1999-07-30
Abstract: PURPOSE: A prefabricated sound-proof wall made of synthetic resin materials is provided to remove noise in the inside of a sound-proof wall naturally, to make the use of waste sources possible by using waste plastic, to reduce the cost of construction, and to facilitate mass production and repairing after construction and management. CONSTITUTION: A prefabricated sound-proof wall(1) comprises; a front plate(10) and a rear plate(20) in which tongues and grooves are horizontally formed in one side at regular intervals; numerous resonance pipes(30) fixed in between the front plate and the rear plate vertically at regular intervals and forming the tongue in up and down of a sound-proof wall in regular series; a resonance hole formed at regular intervals by the front, rear plate and the resonance pipe; a sound absorbing hole(13) connected to the resonance pipe and the resonance hole and formed around the groove continuously at regular intervals; and shore inserting holes(40) formed in the lower end of one side of the sound-proof wall and the lower end of the upper side to be united with the shore.
Patent KR-20010016897-A (KR)
Inventor: HAN YANG GYU
IPC: C08F218/00
Filed: 1999-08-05
Abstract: PURPOSE: An oil absorptive crosslinked polymer is provided which can absorb an organic solvent selectively from water, and has high absorption magnification and fast oil absorbing speed. CONSTITUTION: The oil absorptive crosslinked polymer is produced by reacting a vinyl monomer-maleic anhydride copolymer such as poly(styrene-maleic anhydride) copolymer of formula (1) and 20-100(based on the concentration of the maleic anhydride contained in the vinyl monomer-maleic anhydride copolymer) of an alkyl alcohol having a lipophilic group and then crosslinking the resultant and 30-100(based on the concentration of the maleic anhydride contained in the vinyl monomer-maleic anhydride copolymer) of a crosslinking agent such as a long chain hydrocarbon diol or diglycidylether. The alkyl alcohol is selected from n-tetradecanol, n-hexadecanol, n-octadecanol, and 4-dodecyl phenol.
Patent KR-20010017088-A (KR)
Inventor: PARK GEUN JU
IPC: H01L27/10
Filed: 1999-08-07
Abstract: PURPOSE: A method for manufacturing a contact hole of an analog capacitor is provided to improve an electrical characteristic, by preventing the capacitor from being over-etched by a step difference of a metal contact hole after an interlayer dielectric is stacked. CONSTITUTION: A capacitor isolating layer(35) having a capacitor trench(36) is formed on a portion where a capacitor is formed. A capacitor composed of a storage electrode layer(38), an insulating layer(40) and a plate electrode layer(42) is formed in the capacitor trench. An interlayer dielectric(50) is stacked on the entire structure to form a transistor contact hole and a capacitor contact hole by a masking etching process.
Patent KR-20010018358-A (KR)
Title: Method for manufacturing semiconductor device
Inventor: KIM MYEONG SU
IPC: H01L27/10
Filed: 1999-08-19
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to prevent a defect of a cell capacitor and to improve an operating characteristic of a memory cell, by easily guaranteeing overlap margin of a buried contact hole and a bar pattern of a storage electrode while using a conventional photolithography process, and by increasing misalign margin of the buried contact hole and the bar pattern. CONSTITUTION: An interlayer dielectric(60) is formed on a silicon substrate(10). A desired portion of the interlayer dielectric is incline-etched to form a buried contact hole(63) so that a portion of the silicon substrate for a buried contact is exposed. A photoresist layer which is thick enough to fill the buried contact hole, is formed on the interlayer dielectric. The photoresist layer is etched back, and the thickness of the interlayer dielectric is decreased, so that a width of an upper portion of the buried contact hole is reduced to a desired width. A bar pattern(80) of a storage electrode electrically connected to the portion for the buried contact and overlapping the buried contact hole, is selectively formed on the interlayer dielectric.
Patent KR-20010026227-A (KR)
Inventor: JUNG UI YEOP
IPC: F25D29/00
Filed: 1999-09-03
Abstract: PURPOSE: A refrigerator operation method is provided to reduce power consumption by varying cooling capability in accordance with the cooling load during a normal interrupted operation. CONSTITUTION: A method comprises a first step(S1) of judging whether a normal interrupted operation is performed; a second step(S2) of judging whether the damper for determining whether to communicate the refrigerating compartment and the freezing compartment is opened, if is judged in the first step that a normal interrupted operation is performed; and a third step(S3,S4) adjusting the frequency of compressor and the rotational frequency of the fan in accordance with the result of judgement of the second step. In the third step, frequency of the compressor and the rotational frequency of the fan increase, if the damper is judged as opened, which indicates a high refrigeration load, and the frequency of the compressor decreases and the rotational frequency of the fan decreases or is maintained as it is, if the damper is judged as closed, which indicates a low refrigeration load.
Patent KR-20010026601-A (KR)
Inventor: SUK CHANG GYU
Filed: 1999-09-03
Abstract: PURPOSE: An electronic commerce access authentication and browser monitor system is provided to solve a generation or an elimination of a security key and isolate a user from a harmful internet site by embedding an electronic signature key and a browser monitor module in a browser. CONSTITUTION: The system comprises a private use browser(30), an electronic signature management system(40) and a browser monitor system(50). The private use browser(30) can be constructed with various main or additional functions according to the usage and the purpose. The electronic signature management system(40) stores or regenerates an authentication certificate issued by a public authentication organization, specially automatically generates an electronic signature key by an embedded software when starting the browser, and eliminates the electronic signature key when closing the browser. The browser monitor system(50) guides the user not to access harmful internet sites or specific sites designated by a browser management system(60).
Patent KR-20010026824-A (KR)
Inventor: JUNG HO SEOP
IPC: G01C19/5762
Filed: 1999-09-09
Abstract: PURPOSE: An automatic gain control circuit is provided to maintain sensitivity constant regardless of temperature change by automatically controlling gain of DC voltage of driving voltage in accordance with temperature change. CONSTITUTION: An automatic gain control circuit comprises a C/V amplifier(131) for converting a capacitance(Cx) of an excitation detecting electrode fixation unit(27a) of a micro gyroscope(10) into a voltage(Vx) and amplifying the converted voltage; a peak value detection unit(137) for detecting a peak value(Vp) of an output voltage(Vx) of the C/V amplifier; a subtractor(138) for subtracting a reference voltage(Vref) from the peak value detected by the peak value detection unit; and an automatic gain controller(139) for performing proportional control to the DC bias voltage in exciting direction according to the output voltage(Vref-Vp) of the subtractor.
Patent KR-20000023184-A (KR)
Inventor: LEIMONG JAQUE
IPC: B31B50/04
Filed: 1999-09-15
Abstract: PURPOSE: A withdrawing central conveyor of a device for bending and bonding which is used for producing a paper box and so on from a cut boards is provided. CONSTITUTION: A device for bending and bonding contains two frames arranged between two side conveyors equipping belts as a transferring device. The conveyor contains a structure composed of four combining factors(4,5,8,11) moving horizontally to the moving direction of the boards. An upper length direction bar(4) among the four factors manually descends to the withdrawn position from the operation position by an inclined vertical movement and ascends by an independent attenuator(15). The conveyor reduces a transferring width of the device for bending and bonding to the minimum value by parallel arranging two side conveyors.
Patent KR-20010028574-A (KR)
Title: High-speed transplanting device
Inventor: KIM HUI SU
IPC: A01C11/00
Filed: 1999-09-22
Abstract: PURPOSE: A high-speed cropping equipment of a transplanting machine is provided which consists of a gear and a cam and freely provides non-circular traces suitable for cropping. CONSTITUTION: The equipment is characterized by comprising followings: an input axis(1) equipped against a gear hinge(2), to be rotated by a bearing (3); a central gear(4) fixed on the input axis(1) of which both sides a middle gear(5) is placed at; each middle gear(5) fixed on an axis(7) of which out side each planetary gear(6) is placed at; the planetary gear(6) fixed on an axis(8); a rotation plate(9) fixed on the axis(8) in regular intervals; a cam(10) equipped on the axis(8) which is between the planetary gear(6) and the rotation plate(9), each having a pin slot and connected with a pin(11); and an arm shaft(16) equipped at the axis(8) through which the rotation plate(9) is connected to a transplanting arm(12).
Patent KR-20000023530-A (KR)
Inventor: MAIER ROBERT EVAN
IPC: H04B15/00
Filed: 1999-09-29
Abstract: PURPOSE: A pilot technology is provide information used by the control system in order to eliminate the distortion by obtaining the information related to distortion from the pilot signal. CONSTITUTION: A pilot technology for control system comprises an electronic circuit(108),a DSB transformer(154), a selecting circuit(180), a carrier circuit(154), a frequency response(300), a divider(162), and an amplifier(160, 170). The electronic circuit(108) makes the distortion at point A by the loop 1. The loop 2 eliminates the distortion made by the electronic circuit using the information obtained from the selecting circuit(180). The information obtained from the selecting circuit is gathered from the DSB pilot signal applied at the coupler and the electronic circuit according to the usage of the DSB transformer(154) and the carrier circuit. The DSB transformer and the carrier circuit makes the pilot signal obtained from the selecting circuit.
Patent KR-20010036030-A (KR)
Inventor: CHO YEONG WON
IPC: F24C7/08
Filed: 1999-10-05
Abstract: PURPOSE: A rotation velocity control circuit for a DC hood motor of an OTR(Over The Range) is provided to reduce the manufacturing cost and improve productivity by employing a DC motor instead of an AC motor as a hood motor and controlling the rotation velocity of the motor with the circuit instead of a temperature sensor, and prevent overload from being applied to the motor by automatically cutting off the circuit in case of abnormal operation of the motor. CONSTITUTION: A rotation velocity control circuit for a DC hood motor of an OTR includes a rectifying circuit part(402) for outputting DC power from input AC voltage, a first control part for outputting a first control signal according to a rotation velocity selection for the DC motor, a second control part(406) for outputting a second control signal according to the first control signal, a third control part for outputting a third control signal according to the second control signal, the third control signal having a higher frequency than the second control signal, a fourth control part to be turned on/off by the third control part for controlling the rotation velocity of the DC motor, a DC motor operation state monitoring part for sensing a change of current according to the normal and abnormal operation of the DC motor and outputting a voltage according to the current change, and an overload preventing part(408) for applying a part of the output voltage of the monitoring part to the output of the third control part to turn off the third control part for preventing an overload.
Patent KR-20010036095-A (KR)
Title: Manufacturing method of mi-in-sol raw food
Inventor: SUH YOUNG HUN
IPC: A23L33/00
Filed: 1999-10-05
Abstract: PURPOSE: A method for manufacturing Mi-in-sol raw food is provided to supply essential nutrition for people having a problem in lungs or large intestines that belong to metal among the five elements such as metal, wood, water, fire and earth, and to prevent oxidation of physical constitution by pine needles. CONSTITUTION: Raw food is divided into the five elements such as metal, wood, water, fire and earth, the five tastes like sour, bitter, sweet, hot and salt, and the five colors like blue, red, yellow, white and black. Mi-in-sol raw food is manufactured by mixing 72 kinds of ingredients affecting lungs or large intestines that belong to metal among the five elements. The weighed ingredients are freeze-dried under 40deg.C and crushed into 80-100 mesh. The freeze-dried pine needles are cut into 2-3cm and mashed up fiber by a roller. The pine needles are occasionally sprayed with herb extract manufactured in an aging room of the temperature 50-60deg.C while fermenting for up to 72 hours. The fermented pine needles are dried by hot-air of 120-130deg.C and crushed to be powder mixed with vitamins.
Patent KR-20010036266-A (KR)
Inventor: JUNG SEUNG TAE
IPC: G11B7/1369
Filed: 1999-10-07
Abstract: PURPOSE: An optical pick-up device capable of high density recording and reproducing is provided to perform high density record and reproduction by adjusting a size of an optical spot selectively emitted on a record medium during a recording and reproducing process. CONSTITUTION: An optical source(10) emits a laser beam. An optical track converting unit converts a track of an incident optical. A focusing unit(50) focuses the incident optical to form an optical spot in a record medium(1). An optical detector(70) receives the incident optical, which is reflected on the record medium(1) and goes through the focusing unit(50) and the optical track converting unit. An optical spot size adjusting unit adjusts a size of the optical spot emitted on the record medium(1) by selectively closing or phase-modulating the incident optical during a recording and reproducing process on the optical track between the optical track converting unit and the focusing unit(50). The optical spot size adjusting unit is a liquid panel(40), which is driven according to a voltage on/off signal so as to selectively close the center of the incident optical during the recording and reproducing process.
Patent KR-20000052340-A (KR)
Inventor: LEE IN HO
IPC: C22B3/10
Filed: 1999-10-08
Abstract: PURPOSE: Method of recovering hydrochloric acid and zinc metal from electric arc furnace(EAF) dust is provided which is simple for recovering directly a hydrochloric acid and a zinc by electro-deposition and cost low by applying high current density at the membrane and low current density at the anode. CONSTITUTION: A method of recovering comprises the steps of: hot acid leaching which makes zinc ferrite leached in a solution having a hydrochloric acid with concentration of about 37g/l to 74g/l and a ZnCl2 with concentration of about 104g/l-270g/l at 80°C or more; purifying an iron, an organic matter and a heavy metal which is dissolved in the zincchloride solution by reacting at the leaching step; recovering a zinc by electro-depositing the purified zincchloride solution in an electro-deposition cell equipped cation exchange membrane being anode current density of 300-1000A/m2 and membrane current density of 750-2000A/m2 at not more than 40°C.
Patent KR-20010037280-A (KR)
Inventor: CHOI JONG BEOM
IPC: B60B31/00
Filed: 1999-10-15
Abstract: PURPOSE: A magnet socket connects a wheel nut though whatever shape has by using the direction of the line of magnetic force. CONSTITUTION: A magnet socket comprises a magnetic body protecting resin material(32), magnetic substances(30) and a magnetization shielding holder(38). The magnetic body protecting resin material(32) contains the magnetic substances(30) being layered. The magnetization shielding holder(38) assembled in the magnetic body protecting resin material(32) has permanent magnetic substance(36) mounted therein. Thus, a wheel nut inserted into the socket(20) prevents the magnetization of the front end portion of a magnet socket(20) of a nut runner. Further, a holding force is improved by the decrease of a circumferential magnetic force and the increase of an axial magnetic force.
Patent KR-20000006721-A (KR)
Inventor: LEE HYUN SOO
IPC: F25B43/00
Filed: 1999-10-27
Abstract: PURPOSE: A dry filter for a vacuum and a moisture removing of a freezer is provided to have a convenient work for the vacuum, and to reduce the time during filling a new coolant into a cooling system. CONSTITUTION: The cooling system comprises:a compressor formed a cooling cycle; an entrance(160) having the entrance of a coolant; a body(190) to combine the entrance and the exit; a wire-screen(120) and a cotton(130) installed inside; a dry filter(250) formed by a moisture absorbing matter(140) inserted inside the body; a capillary, an expansion side, an evaporator, a condenser and an exit also included.
Patent KR-20010044958-A (KR)
Inventor: HAN GYEONG HAE
IPC: F25D29/00
Filed: 1999-11-01
Abstract: PURPOSE: A refrigerator is provided to achieve an improved refrigeration efficiency, reduced power consumption and improved reliability by employing a one-chip control circuit using application specified integrated circuit(ASIC). CONSTITUTION: A refrigerator comprises a compressor(600); an evaporator; a defrost heater(700); a sensing unit(200) for sensing the indoor state of the refrigerator; and a one-chip control circuit(300) including an operation condition set unit for comparing the output from the sensing unit with the reference value for discriminating refrigerator operation condition and outputting the comparison result, a control signal generating unit for outputting a control signal for controlling operation of the compressor and defrost heater in accordance with the output from the operation condition set unit, a clock signal generating unit for generating a reference clock pulse for operating the control signal generating unit, and a regulator for converting commercial AC power into DC power of a predetermined level for operating internal circuit.
Patent KR-20010045493-A (KR)
Inventor: LEE SANG BEOM
IPC: C07F9/6593
Filed: 1999-11-05
Abstract: PURPOSE: A temperature-sensitive cyclic phosphazene trimer and its manufacturing method are provided. CONSTITUTION: The method for manufacturing a temperature-sensitive cyclic phosphazene trimer of the formula (1) comprises the steps of: i) reacting alcohol of the formula (2) with 1.5 equivalent of sodium or hydride sodium in solvent such as THF, benzene, or toluene to obtain a compound of the formula (3); ii) adding 3-4 equivalents of the compound of the formula (3) to solution containing solvent; iii) reacting the mixture in solution having dry-ice and acetone for 2-4 hours and for 10-12 hours at room temperature to obtain an intermediate of the formula (5); iv) reacting the intermediate in solution containing solvent such as triethylamine for 2-4 hours at room temperature and 40-60 deg.C for 1-3 days; and v) centrifuging the solution, eliminating sediments, and purifying the product. In the formula, R is an ethyl or benzyl group. m is an integer of 2, 7, 2, or 16. n is an integer of 0, 1, or 3.
Patent KR-20010045889-A (KR)
Inventor: LEE YUN HO
IPC: B60G13/06
Filed: 1999-11-09
Abstract: PURPOSE: A shock absorber installation structure prevent partial abrasion of a piston inside a shock absorber by make the piston actively act. CONSTITUTION: The upper end of a vibration isolating tube(7) is engaged with a car body(13) by a ball joint(30). The lower end of a cylinder(5) is installed to a knuckle arm(15) with a rubber bush(21) interposed. The ball joint(30) comprises a ball plate(17) and a ball housing(19). The ball plate(17) is installed under the car body(13) and has a ball(23) integrally and downwardly formed on the middle thereof. The ball housing(19) is integrally formed on the upper end of the vibration isolating tube(7) and slidably engaged with the ball(23).
Patent KR-20010046648-A (KR)
Inventor: LIM DONG WON
IPC: A47J27/00
Filed: 1999-11-15
Abstract: PURPOSE: A direct heating type electric rice pot is provided to maximize heat transfer efficiency and simplify the circumferential parts, thereby reducing the unit cost of the product. CONSTITUTION: A direct heating type electric rice pot includes a conductive heating element(2) attached from the outer bottom surface of an inner pot container(1) made of ceramic to the part of the upper part, a plurality of container contact point protrusions(4) at the side surface of the conductive heating element after insulatedly coating the outer surface of the conductive heating element, and a magnetic installed at the inner surface of an outer pot, so that the magnetic is contacted to the container contact protrusions for supplying electric energy.
Patent KR-20010053897-A (KR)
Inventor: KWON I SEOK
IPC: B66B23/00
Filed: 1999-12-02
Abstract: PURPOSE: A device for reducing the vibration of passenger transportation is provided to efficiently reduce the vibration of an exciting frequency as an engaging frequency of an upper driven terminal gear installed on passenger transportation such as an escalator. CONSTITUTION: A dynamic vibration reducer(4) is installed on a step(12) of an escalator for reducing the vibration of an engaging frequency of an upper driven terminal gear. Herein, the dynamic vibration reducer is formed with a U-shaped fixing part combined to a rib(12a) of the step; a T-shaped elastic part connected to the fixing part; and mass parts combined to elongated holes at both ends of the elastic part by bolts and nuts. Herein, the elongated holes move the mass parts left and right for adjusting a natural frequency. Moreover, the weights of mass bodies composed of the mass parts are same. Before fixing the mass parts, the mass parts are adjusted to have the same natural frequency to the engaging frequency of the upper driven terminal gear.
Patent KR-20010054313-A (KR)
Inventor: KIM SEONG SOO
IPC: C04B14/10
Filed: 1999-12-06
Abstract: PURPOSE: A brick product and its preparation method are provided which purify environment and promote the health of human body. CONSTITUTION: In the brick product being molded from cement or ocher as a main raw materials, a certain amount of charcoal powder is mixed with the brick product. The method comprises steps of: (i) mixing a certain amount of charcoal powder or juniper powder with the cement or the ocher; and (ii) putting the mixture of the step (i) in a mold having a certain size of space and drying it to prepare a certain shaped brick product.
Patent KR-20010054855-A (KR)
Inventor: YUN GI JUENG
IPC: E04F19/04
Filed: 1999-12-08
Abstract: PURPOSE: A wallpaper finishing bar installation method is provided to simplify the bonding work of a wallpaper finishing bar by using a double-coated tape, to reduce installation expenses by reducing working hours, and to keep the flawless and favorable bonding state of the wallpaper finishing bar. CONSTITUTION: A wallpaper finishing bar installation method comprises the steps of: adhering a double-coated tape(16) to the bonding surface of a wallpaper finishing bar(10) adhered to the wallpaper finishing part of the bottom of a wall surface(14) and the corner of a ceiling; and adhering the wallpaper finishing bar adhered with the double-coated tape toward the adhering part of the wallpaper finishing bar of the bottom of the wall surface and the corner of the ceiling.