baber/WOPTO huggingface dataset:
Patent KR-20040087055-A (KR)
Inventor: AHN JI HWAN
IPC: C01F11/18
Filed: 2003-04-04
Abstract: PURPOSE: A method for adding a polymer to a precipitated calcium carbonate suspension is provided, to improve the particle shape and dispersion stability of a precipitated calcium carbonate by adding a polymer surfactant during the electrical conductivity change period in the preparation process of precipitated calcium carbonate. CONSTITUTION: The method comprises the steps of adding a polymer surfactant to a calcium carbonate suspension when the calcium carbonate suspension is prepared by injecting a CO2 gas with stirring at a room temperature, to allow the polymer surfactant to be adsorbed to the surface of the precipitated carbon carbonate; and analyzing the dispersion stability of the precipitated calcium carbonate after filtering and drying. Preferably the CO2 gas is injected with a flow rate of 500 L/min and the suspension is stirred with a velocity of 300 rpm at 20 deg.C to prepare a 3.5 wt% precipitated calcium carbonate suspension. Preferably the polymer surfactant is polyoxyethylene nonylphenyl ether and is added before the carbonation of precipitated calcium carbonate or during the first increase period of electrical conductivity in carbonation, or the polymer surfactant is PMAA(polymethacrylic acid) and is added during the first increase period of electrical conductivity in carbonation.
Patent KR-20040087796-A (KR)
Inventor: CHOI MUUNG JN
IPC: C04B14/06
Filed: 2003-04-07
Abstract: PURPOSE: An antibacterial sand using silver is provided, to obtain the sand used in a playground with improve safety and sanitary property by using silver. CONSTITUTION: The antibacterial sand is prepared by adding 100 g of a pulverized silver powder to a dissolution bath, adding 100 g of nitric acid with slowly heating, adding 50 g of potash alum and 50 g of tin chloride dissolved in 100 ml of water, adding a sodium hydroxide solution (pH 13) with stirring with removing a nitrous acid gas to make the pH to be 7.5, dissolving 50 g of the obtained silver salt in 1,000 ml of water, dissolving the silver solution in 20 kg of water, soaking 50 kg of sand in 20 kg of a sodium hydroxide solution (pH 8), and substituting 50 kg of the obtained sand with 20 kg of the obtained silver solution.
Patent KR-20030038638-A (KR)
Inventor: KIM SEONG WON
IPC: E01B9/30
Filed: 2003-04-28
Abstract: PURPOSE: A method for increasing the durability of an elastic combining member of steels for a railway is provided to prevent the corrosion of the steel sand to secure the durability by forming a urethane coating. CONSTITUTION: A surface maintaining material is removed by entering an elastic combining member(11) of a steel into a removing device of the maintaining material. Surface rust is removed by entering the elastic combining member into a removing device of rusts. A urethane coating(12) is formed on the surface of the elastic combining member by submerging the elastic combining member into a urethane solution tank after drying. Thereby, the corrosion resistance, the chemical resistance, the oil resistance and the water proof property increase.
Patent KR-20040095054-A (KR)
Inventor: JU IN SU
IPC: G06K9/00
Filed: 2003-05-06
Abstract: PURPOSE: A device for processing a fingerprint recognition signal is provided to reduce a size of a fingerprint recognition device by reducing area needed for forming an OP(Operational) amplifier, as an OP amplifier number is reduced by using one OP amplifier as an integrator and a voltage follower. CONSTITUTION: The OP amplifier(400) integrates the signal according to a fingerprint pattern while a clock signal of a low state is applied, and stabilizes an output level of an integrated signal while the clock signal of a high state is applied. The first transistor(410) applies a reference power to the OP amplifier by responding to the clock signal of the low state. The second transistor(420) applies the integrated signal to the first input terminal of the OP amplifier by responding to the clock signal of the high state. The third transistor(430) feeds back an output signal of the OP amplifier to the second input terminal by responding to the clock signal of the high state. A capacitor(C) charges the reference voltage inputted through the OP amplifier and outputs the charged reference voltage to the OP amplifier.
Patent KR-20030088336-A (KR)
Title: ＧａＮ단결정기판, 질화물계 반도체 에피택셜기판,질화물계 반도체소자 및 그 제조방법
IPC: C30B25/02
Filed: 2003-05-10
Abstract: 본 발명에 의한 GaN단결정기판(11)은, 적어도 NH 3 기체를 함유하는 혼합기체분위기중, 적어도 1020℃의 기판온도에서 적어도 10분간 열처리된 연마표면을 지닌다.   따라서, 연마에 의해 다수의 미소결함이 형성되어 있는 상기 기판(11)의 표면에 원자재배열이 행해져, 기판(11)의 표면을 평탄화하므로, 해당 기판(11)상에 형성된 에피택셜층(12)의 표면은 평탄화될 수 있다.
Patent KR-20030044961-A (KR)
Inventor: BACK JUNG SUN
IPC: C11D9/50
Filed: 2003-05-12
Abstract: PURPOSE: Provided is antibacterial jade stone soap which releases far-infrared rays and anion. Therefore, it is effective for removal of skin troubles and dirt, skin regeneration, skin moisturization and has antibacterial and antiinflammatory effects. CONSTITUTION: Antibacterial jade soap is characterized by adding 12-15 wt.% of jade stone powder, 1-3 wt.5 of pearl powder and 9-11 wt.% of spring water to the raw ingredient of soap. It further comprises 2 wt.% or less of ethylascorbylether, and 2 wt.% or less of ceramide.
Patent KR-20040099972-A (KR)
Inventor: KIM JONG KWEON
IPC: C25D1/04
Filed: 2003-05-21
Abstract: PURPOSE: To provide an apparatus capable of producing metal foil with uniform composition, surface and thickness at all times by installing a separate electrolyte storage tank for compensating electrolyte in an electrolytic cell and consistently supplying a fresh electrolyte of the storage tank into the electrolytic cell. CONSTITUTION: The apparatus for manufacturing metal foil(13) comprises an electrolytic cell(12) in which an electrolyte(3) is contained; an anode material(2) dipped into the electrolytic cell; a cathode material(1) oppositely spaced apart from the anode material in a certain distance and fully or partially dipped into the electrolytic cell; a current supply unit for supplying an electric current to the cathode material and the anode material; a storage tank(6) for storing the electrolyte separately from the electrolytic cell; and a supply means for supplying the electrolyte of the storage tank to the electrolytic cell.
Patent KR-20040101747-A (KR)
Inventor: KIM CHANG SU
IPC: B21B15/00
Filed: 2003-05-26
Abstract: PURPOSE: To provide an apparatus for automatically removing pressed marks from inner winding part of coil products by automatically slantly grinding a top end of a pickled and oiled strip when coiling the top end of the pickled and oiled strip on a mandrel so that thickness deviation of the top end of the coil is gradually decreased. CONSTITUTION: In an apparatus installed at a rolling facility of pickled and oiled strip to prevent formation of marks on an inner winding part of coil due to thickness of a top end of coil products, the apparatus(1) comprises a whetstone(5) installed in the rear side of a coil shear and rotated in the inclined state; a moving means(30) for moving the whetstone in the width direction of a coil strip(S); and a lifting and lowering means(50) for lifting and lowering a top end of the coil strip toward the whetstone rotated to grind the top end of the coil strip by the whetstone so that the top end of the coil strip has a wedge shaped inclined cross section.
Patent KR-20040073248-A (KR)
Inventor: NITTA ISOKO
IPC: B21B37/50
Filed: 2003-05-30
Abstract: PURPOSE: To provide a rolling control system for stably threading top end of the strip in a hot finish mill in which the strip is rolled to a predetermined strip thickness by a plurality of rolling mills in a final step of rolling plant of hot rolled strip. CONSTITUTION: The system comprises an image pickup part(3) installed on the side between neighboring two stands among a plurality of stands composing a finish mill for rolling a strip(1) to a predetermined product thickness to pick up an image of the side of the strip; an image processing part(4) for obtaining a loop amount of the strip between the two stands by image data obtained by the image pickup part, and judging the comparison results after comparing the loop amount with a stand value; a rolling speed operation part(5) for operating a speed variation of rolling speed according to a distance between the two stands and the loop amount if the loop amount is greater than the standard value; and a rolling speed control part(6) for controlling rolling speed of the stand at upstream side of a carrying direction of the strip in the two stands according to the speed variation.
Patent KR-20040106132-A (KR)
Inventor: KIM JUN HO
IPC: B60R22/20
Filed: 2003-06-11
Abstract: PURPOSE: A height adjusting device of a seat belt for a vehicle is provided to protect passengers safely by forcibly lifting the slider up or moving backward at a collision, and to constrain the passenger securely by reducing the release of the webbing of the seat belt optimally. CONSTITUTION: A height adjusting device of a seat belt is composed of a frame(110) fixed to the vehicle body and composed of a fitting groove hole and a slide hole, a slider(20) adjusting the position to the frame, a connecting member(69) coupled to the slider, and a driving member combined with the connecting member to forcibly move the slider at a collision of a vehicle. An inclined part(118) is installed to the frame and inclined backward to the vehicle. The effective length of the seat belt is reduced by moving the slider of the seat belt with the pretensioner or the retractor at the collision.
Patent KR-20040107000-A (KR)
Inventor: JUNG DAE HWAN
IPC: G03F7/00
Filed: 2003-06-12
Abstract: PURPOSE: A method for preparing a carbon nanotube (CNT) array, a method for preparing a CNT bio-nanoarray, and a method for detecting the reaction of a biomaterial and a bio-receptor by using the CNT bio-nanoarray are provided, to allow a nano-sized pattern to be formed by simple several steps of process and to allow the orientation of microstructure to be controlled easily. CONSTITUTION: A carbon nanotube array is prepared by forming a thin film of a self-assembling organic supramolecule on a substrate; annealing it to form a cylindrical regular structure by the self-assembly of the organic supramolecule; irradiating a UV ray to the structure to decompose the center part where a carbon chain is concentrated to form a nano-pattern of an organic supramolecule; etching it by using the nano-pattern as a mask to form a nano-pattern on a substrate; and arraying a carbon nanotube on the nano-pattern. Preferably the organic supramolecule is a disk-type or dendrimer fan-shaped organic supramolecule. Preferably the organic supramolecule is represented by the formula 6 or 7. A CNT bio-nanoarray is prepared by adhering a biomaterial or a bio-receptor to the CNT array obtained by the method.
Patent KR-20040107834-A (KR)
Inventor: MUN SE HO
IPC: C01B13/11
Filed: 2003-06-13
Abstract: PURPOSE: To provide a method for generating ozone and an apparatus therefor, which are able to improve discharge efficiency by increasing adhesiveness between a dielectric substance and an electrode by using cooling water as an electrode instead of using a metal electrode. CONSTITUTION: Water jackets (20,30) that are installed on the surface of dielectric substances (10,25), respectively. The water jackets allow cooling water to directly make contact with the surface of the dielectric substances. An anode and a cathode of the apparatus (100) are connected to the cooling water, respectively, so that the cooling water is used as an electrode.
Patent KR-20040108153-A (KR)
Inventor: LEE HYEON HAENG
IPC: B60T15/00
Filed: 2003-06-16
Abstract: PURPOSE: A mechanical brake system for a vehicle is provided to secure safety and to cut down the cost by preventing wheels from locking by a brake hydraulic pressure regulating member, instead of an expensive ABS(Anti-Lock Brake System). CONSTITUTION: In a vehicle having a hydraulic pipe for transmitting hydraulic pressure by brake oil in operating a brake of wheels, a mechanical brake system for the vehicle is composed of an inlet port(30) having a pipe contacting with the brake oil supplied to the wheel of the vehicle; an elastic fixing unit(40) having a circular ball(42) formed at one side to block the inlet port with constant elastic force and an elastic member(48) formed at the other side to support the circular ball toward the inlet port; and a discharge port(22) for discharging the brake oil passing through the elastic fixing unit.
Patent KR-20050001204-A (KR)
Inventor: CHUNG YUNG SEOK
IPC: H01L21/76
Filed: 2003-06-27
Abstract: PURPOSE: A method for forming an isolation layer of a semiconductor device is provided to improve step coverage by a sacrificial oxide process and a cleaning process and control a trench filling defect by using a polycrystalline silicon layer instead of a pad nitride layer as an etch barrier material in etching a trench of a substrate. CONSTITUTION: A pad oxide layer is formed on a silicon substrate. A polycrystalline silicon layer is formed as an etch barrier layer on the pad oxide layer. The polycrystalline silicon layer is patterned to expose the pad oxide layer on a field region of the substrate. The exposed pad oxide layer and the field region under the exposed pad oxide layer are etched to form a trench. The resultant structure is oxidized to grow the first oxide layer on the trench and a polycrystalline silicon layer pattern. The first oxide layer is removed. The resultant structure is oxidized again to form the second oxide layer on the trench and a reduced polycrystalline layer pattern. A linear nitride layer is deposited on the second oxide layer. A trench filling oxide layer is formed on the linear nitride layer. A CMP(chemical mechanical polishing) process is performed on the trench filling oxide layer, the linear nitride layer and the second oxide layer until the polycrystalline silicon layer pattern is exposed. The exposed polycrystalline silicon layer pattern is removed. The linear nitride layer, the second oxide layer, the pad oxide layer and the trench filling oxide layer are eliminated.
Patent KR-20050004533-A (KR)
Inventor: LEE TAE KYUNG
IPC: G06F9/06
Filed: 2003-07-03
Abstract: PURPOSE: A device for controlling a computer in a remote place having a hardware key macro function and a remote controlling method using the same are provided to control the computer in the remote place with a single call by using the hardware key macro function based on a keyboard/mouse emulator linked with the PSTN(Public Switched Telephone Network). CONSTITUTION: A key macro file storage(110b) stores data needed for computer booting inputted through a keyboard/mouse(116) as a key macro file. A password checking/command code interpreting part(110a) checks a connection password from a remote control command signal inputted through the PSTN(13) and interprets a command code. An input interface(112) performs a mutual interface function between the PSTN and the password checking/command code interpreting part. The keyboard/mouse emulator(110c) performs a keyboard/mouse emulation function by reading the key macro file. A power controller(114) turns on/off power of the computer(11). A switch(118) connects the keyboard/mouse or an output port of the keyboard/mouse emulator to a keyboard/mouse port of the computer.
Patent KR-20050004620-A (KR)
Inventor: AHN BYUNG HWAN
IPC: D06F39/08
Filed: 2003-07-03
Abstract: PURPOSE: A washing machine capable of controlling sterilization level is provided to make a desired environment for the intensity of a silver ion in germicidal-washing the laundry by producing a silver solution for receiving the silver ion of the desirable concentration by a simple switch operation. CONSTITUTION: A washing machine capable of controlling sterilization degree is composed of a silver ion level regulating unit for adjusting the concentration of a silver solution according to the polluted degree of the clothes; a control unit for outputting an action signal necessary for a silver ion level according to the sterilization degree input from the silver ion level regulating unit; and a silver solution producing unit(36) for making the silver solution of the specific concentration by the action signal. The action signal has a voltage signal.
Patent KR-20050006753-A (KR)
Inventor: HWANG KYUNG WON
IPC: B60G11/12
Filed: 2003-07-10
Abstract: PURPOSE: A combining structure of end parts of a leaf spring is provided to reduce axial force transmitted from shackles according to the movement of a vehicle, to prevent wear of the end parts and a spring bush, to reduce noise, and to increase the durability. CONSTITUTION: In a combining structure of end parts(1a) of a leaf spring, plate ball bearings(20,20') are each arranged to gaps(G,G') formed among the inside of shackles(5), the end parts of the leaf spring, and both sides of spring bushes(7). One side of the plate ball bearing is combined to the inside of the shackle. A shackle pin(9) is combined while sequentially passing through the middle parts of the shackles, the plate ball bearings, and the spring bushes via side washers(15,15') arranged to the shackles. A nipple(31) for supply of lubricant oil is arranged to one side of the shackle. Lubricating passages(35) connected with the nipple are connected to one of the plate ball bearings through the shackle and are connected to the inside of the spring bush and the other one of the plate ball bearings through the shackle pin.
Patent KR-20040010242-A (KR)
Title: Curable compositions containing thiazole functionality
Inventor: MUSA OSAMA M
IPC: C07D277/24
Filed: 2003-07-18
Abstract: PURPOSE: Curable compositions containing thiazole functionality are provided, which compositions are efficient corrosion inhibitors for copper and copper alloys in many environments and give improved adhesive strength to metal substrates. CONSTITUTION: The compound contains a thiazole functionality and a polymerizable functionality. The curable compositions comprise: (a) a thiazole compound containing a thiazole functionality and a polymerizable functionality, the polymerizable functionality selected from the group consisting of electron donor, electron acceptor, or epoxy functionalities; (b) a polymerizable resin; (c) optionally, a curing agent; and (d) optionally, a filler.
Patent KR-20050011524-A (KR)
Inventor: HEO CHUN YOUNG
IPC: B60K20/02
Filed: 2003-07-23
Abstract: PURPOSE: A shift lever for an electronically controlled automatic transmission is provided to easily change a shift level and a shift mode of the transmission by turning or pulling a rotary knob and to operate simply a parking brake system by a toggle switch. CONSTITUTION: A shift lever for controlling freely a shift level of an electronically controlled automatic transmission is composed of a fixed knob(1) installed in the front end of a rod(3) fixed at a steering column and a rotary knob(5) mounted in the front end of the fixed knob, relative-rotated forward and backward within a angle rage limited by a driver, and automatically returned to an initial position. The rotary knob controls electronically a shift mode of the transmission from a reverse position to a parking position for every forward rotation and a neutral position to a traveling position for every reverse rotation.
Patent KR-20050010455-A (KR)
Inventor: JANG SEONG CHEOL
IPC: B08B1/04
Filed: 2003-07-16
Abstract: PURPOSE: An automatic golf club washing machine is provided to easily keep and manage a golf club and to clean automatically plural golf clubs at the same time only by inserting the golf clubs into the washing machine. CONSTITUTION: When a golf club is inserted into an automatic golf club washing machine, water is pumped out and jetted to the golf club by an operating unit(10), a support bar(12), and a proximity sensor(11). A dirt pad(25) is turned by a rotary motor(21) and a bearing rotary shaft of a vertically moving arm(24) to wash the dirt on the golf club. After completing to wash off the golf club, a warning sound is output and a lamp(23) is turned on. And then, the golf club is moved horizontally by a horizontally moving motor and the proximity sensor of the support bar. The water of upper and lower proximity sensors and the vertically moving arm is removed. A heating plate is installed at a water pad to remove the water. An anti-overheat sensor is mounted to prevent the heating plate from overheating.
Patent KR-20050016770-A (KR)
Inventor: WON CHANG BAI
IPC: H04B1/38
Filed: 2003-08-02
Abstract: PURPOSE: A zoom function camera module and a mobile terminal comprising the camera module are provided to move a lens housing combined with a male screw portion when a driving axis is rotated, and to enable a magnification control lens to access to or be separated from a lens portion of a camera module, thereby controlling the size of an object image. CONSTITUTION: A case(31) is formed with an opening(33), and forms a receiving space. A camera module(41) is disposed inside the case(31). A driving motor(51) is disposed side by side with an optical axial line incident on the camera module(41). A driving axis(61) is disposed side by side with the driving motor(51), and comprises a male screw portion(62). A lens housing is configured, wherein one side thereof is slidingly coupled with the driving motor(51) while other side is screw-coupled with the male screw portion(62) such that a magnification control lens(70) can access to or be separated from the camera module(41). The lens housing controls an image magnification. A driving gear(54) is rotatively coupled with a rotational axis(52b). A driven gear(64) is rotatively combined with the driving axis(61). Plural motor gears(65) transmit a rotational force of the driving gear(51) to the driven gear(64).
Patent KR-20050015838-A (KR)
Inventor: CHOI YOUNG CHUL
Filed: 2003-08-08
Abstract: PURPOSE: A service method for offering AD(ADvertisement) information of an Internet lottery ticket issuer using an offline prize money accumulation typed lottery ticket and a recording medium recording a customer management program are provided to offer prize money through lottery after viewing the AD information by accumulating the prize money whenever users register the offline lottery ticket. CONSTITUTION: A lottery ticket database is constructed by using lottery ticket management numbers(S100). A main web page is transmitted to a user terminal connected through the communication network(S101). If a request signal for inputting the lottery ticket management number is inputted from the user terminal, the web page to input the lottery ticket manage number is transmitted and a lottery ticket number selected from the user is stored in the database(S106). The prize money is accumulated according to a frequency registering the lottery tickets(S108). The accumulated prize money is given to a winner registering the winning lottery ticket(S110).
Patent KR-20050019235-A (KR)
Inventor: KANG GEUM CHOON
IPC: A01G9/24
Filed: 2003-08-18
Abstract: PURPOSE: A dehumidifier for greenhouse in which an evaporator and a condenser are separately disposed to introduce outdoor air into each heat exchanger is provided. It prevents moisture freezing and lowering of dehumidification capacity in advance and effectively reduces heating energy. CONSTITUTION: The dehumidifier(100) for green house contains: a control panel(13) installed to communicate a refrigerant pipe(23) of a compressor(1) with a refrigerant pipe of a condenser(6) and an evaporator(7) to maintain set humidity levels by operation of the compressor by a moisture sensor; a condensate collector installed at the lower end of the evaporator to collect condensate water; a condensate drain pipe(16) connected to the lower end of the condensate collector to discharge the condensate; a case(22) formed with each inlet hole on both side surfaces of the humidifier and an air exhaust pipe(9) at the upper end; an air filter(5a) installed at the left and right inlet hole of the case to filter impurities of air; and an air blowing fan(8) positioned at the upper end of the case to forcibly flow air from an inlet hole.