baber/WOPTO huggingface dataset:
Patent KR-20000011332-A (KR)
Inventor: SHIN HYUN DU
IPC: H04N19/467
Filed: 1999-06-25
Abstract: PURPOSE: A digital image coding device is provided to calibrate the distorted host image transmitted from severe noise environment using present screen. CONSTITUTION: A digital image coder is composed of: discrete wavelitt transformer for outputting M times M wavelitt coefficient if a specific positive coefficient is M by discrete wavelitt transforming the host image to be transmitted; a main coefficient extracting unit for extracting the coefficient of a specific ratio which is more important among the M times M wavelitt coefficient; a random number generating unit for generating a random number according to the rule corresponded to a code; a coefficient replacement/association unit for replacing and associating the coefficients of replacement location of N times N expressed in the replacement location information among the M times M wavelitt coefficients into N times N number of main wavelitt coefficients.
Patent KR-20010004405-A (KR)
Inventor: JUNG DU HWAN
IPC: H01M8/10
Filed: 1999-06-28
Abstract: PURPOSE: A method of making an electrode of a direct methanol fuel cell is provided to improve a performance of the fuel cell. CONSTITUTION: A method of making an electrode of a direct methanol fuel cell comprises coating a slurry on a carbon fabric and drying a result during one to twenty-four hours in a vacuum oven maintained at a temperature of 20 to 200 deg.C. The slurry is obtained by mixing an active carbon and a Nafion solution according to a weight rate of 1:1-50 and agitating a mixed result during 10 minutes to three hours. A catalyst is obtained by adding water to a catalyst of Pt-Ru/C of 5-60 wt% and adding and mixing isopropanol and Nafion solution to the added result. The catalyst is coated on a carbon fabric on which an active carbon is coated, and is dried in a vacuum oven.
Patent KR-20010004530-A (KR)
Inventor: SHIN DONG U
IPC: G11C7/22
Filed: 1999-06-29
Abstract: PURPOSE: A delay locked circuit is provided to have a power save function without a limitation for a high-speed operation and a times by compensating for a loss capacitor value upon a transition from a power save mode to a normal operation mode. CONSTITUTION: The first and second store device each store a low pulse width and a high pulse width of a clock feedbacked from the outputs thereof as a voltage level. The first and second voltage applying device compensates for a loss capacitor value with a predetermined value by supplying the first and second power supply voltage to the first and second store device. A transmitting device is connected to the first and second store device. A control device controls the operation of the first and second voltage applying device and the transmitting device on the basis of a power save mode and nap mode.
Patent KR-20010009581-A (KR)
Inventor: JU WON JAE
IPC: H03H17/02
Filed: 1999-07-12
Abstract: PURPOSE: A structure of an infinite impulse response filter is provided to increase a speed of the filter by removing a limiting part that is a delay element while using a rounding function needed to minimize a quantization noise. CONSTITUTION: A round/limiting part limits a range of an input signal and a roundoff noise. An infinite impulse response filter has a critical path by two and more adders connected sequently through the round/limiting part. The first pipe line make a front stage of the filter pass to the adder. A round-flag setting part(10) is for a round flag setting. The second pipe line make the filter pass to the adder through a delay device(20). The first pipe line, the round-flag setting part(10) and the second pipe line are connected parallel with each other. Therefore the limiting part within the round/limiting part is removed which is a delay element.
Patent KR-20000011935-A (KR)
Title: Inkjet printer head
Inventor: KIM IL
IPC: B41J2/045
Filed: 1999-07-23
Abstract: PURPOSE: An inkjet printer head is provided to shorten the production process and improve the productivity of the printer by increasing the number of vibration characteristic to the vibration plate. CONSTITUTION: The inkjet printer head comprises:a nozzle plate(10) forming a nozzle to inject ink; a reservoir plate(20) with a passage communicating with the nozzle plate(10) and storing ink on the other end; a restrictor plate structured with a cross section smaller than that of the reservoir to restrain the ink flowing in from the reservoir; and a liquid container plate(40) solid structured with the liquid container part communicating with the restrictor and the passage at the same time.
Patent KR-20010011445-A (KR)
Inventor: KANG DONG HWAN
IPC: G03G15/00
Filed: 1999-07-28
Abstract: PURPOSE: A device for coupling an external door of a dry unit is provided to improve the safety and the reliability of a printer by opening an external door only when the print is in a repair mode. CONSTITUTION: A device for coupling an external door of a dry unit includes a main frame(110) having a driving roller(112) for supporting a photosensitive medium(104) to be traveled; a back plate(120) slidably installed in the main frame; a dry unit frame(130) mounting a dry roller(132) absorbing a liquid carrier remaining in the photosensitive medium and heating rollers(134) heating the dry roller, and separated from the main frame for movably between a separation position of the back plate side and a close position of the main frame side; an external door(140) opening and shutting an opened port(102) prepared in one side opposite to the back plate for detaching a dry unit; a locking element locking the external door to the main frame; and an adjusting element(160) adjusting the locking element to release the locking of the external door only at the separation position.
Patent KR-20010016793-A (KR)
Inventor: LEE YUN JU
IPC: H04J13/10
Filed: 1999-08-04
Abstract: PURPOSE: A method for generating a pseudo random sequence in a wireless communication system, is provided to generate the pseudo random sequence using binary data generated by repeatedly multiplying an optional input integer by binary parallel data of a tuple, so as to easily implement a scrambler and a de-scrambler with a simple digital logical circuit and a register. CONSTITUTION: Initial data of a tuple is previously generated, and an optional random integer is inputted for deciding a pseudo random sequence finally generated. Whether the inputted integer is capable of generating a sequence satisfying entire period is confirmed. The first tuple multiplication is repeatedly performed by using the initial data of the tuple and a normal basis of a time origin, according to whether the greatest common measure between an entire period value and the inputted integer is a predetermined value, to calculate a conjugate group for an inputted time origin. Coefficient values are calculated in the first tuple type of a minimum polynomial in a Galois field for the inputted time origin. Mapping data in a predetermined second tuple type corresponding to each coefficient value are decided. An input value for the multiplication with the second tuple of data is calculated. A calculation value fed back according to predetermined clocks and the second tuple of data are multiplied. The second tuple of data are inputted, to generate a predetermined bit of pseudo random sequence.
Patent KR-20010018593-A (KR)
Inventor: HWANG SEONG WON
IPC: B66B1/24
Filed: 1999-08-20
Abstract: PURPOSE: A speed control device of an oil hydraulic type elevator is provided to reliably control the speed of a motor in even case that the characteristic data of an oil hydraulic pump is uncertain and to alleviate the lowering of ride comfort at low speed. CONSTITUTION: In an oil hydraulic elevator controlling the speed of an elevator car by controlling the flow rate supplied to an oil hydraulic cylinder through an opening and shutting valve by changing the discharged flow rate from an oil hydraulic pump by the rotary speed of a motor(1) having controlled in the speed by a motor speed controller(3), a speed control device of the hydraulic elevator includes a motor speed detector(12) detecting the rotary speed of the motor with dividing into a low speed and a high speed, a motor low speed controller(10) selected when the rotary speed of the mote is the low speed, for compensating the friction characteristic of the oil hydraulic pump and controlling the speed of the motor accordingly, and a controller selection judging part(11) selecting the motor low speed controller or the motor speed controller.
Patent KR-20010018982-A (KR)
Inventor: PARK SANG HO
IPC: B09B3/00
Filed: 1999-08-24
Abstract: PURPOSE: Disclosed is a waste disintegrator being equipped with quasi-axial screws that are capable of disintegrating a large quantity of waste without overloads. CONSTITUTION: The waste disintegrator consists of a hopper(10) divided into two parts by a partition plate(11) for feeding wastes uniformly; a pair of separation screws(20) installed at each partitioned hopper for disintegrating wastes and guiding downwardly; quasi-axial screws(30a, 30b, 30c, 30d) of which cutting blades are formed to be crossed each other are driven by a driving means.
Patent KR-20010019811-A (KR)
Inventor: SUN YONG BIN
IPC: H01L21/31
Filed: 1999-08-31
Abstract: PURPOSE: A method for forming a polyimide layer on a copper layer of a semiconductor device is provided to reduce a production of a copper oxide in the polyimide layer. CONSTITUTION: The first polyimide layer(140') is formed on a semiconductor-integrated circuit(110) on which a passivation layer(120) is formed and a copper layer(130) such as a copper pad is exposed through the passivation layer(120). The first polyimide layer(140') is then completely or partially cured. Thereafter, the second polyimide layer(150') is formed on the first polyimide layer(140') and cured. Particularly, the preformed first polyimide layer(140') prevents copper contained in the copper layer(130) from reacting with polyamic acid in the second polyimide layer(150') and being diffused into the second polyimide layer(150') during a formation of the second polyimide layer(150'). Therefore, a production of a copper oxide in the second polyimide layer(150') is reduced.
Patent KR-20010020051-A (KR)
Inventor: MUN SEONG HAK
IPC: G09G3/36
Filed: 1999-08-31
Abstract: PURPOSE: A method for driving a plasma address liquid crystal display device is provided to make the normal operation of the electrode possible even if a part of the electrode, which generates the plasma discharge, is damaged. CONSTITUTION: A method includes positive electrodes(A), negative electrodes(Y1, Y2, Y3, ... ,Yn). To the positive electrodes(A) of each scanning line the driving pulse with the same voltage value as the appointed period is supplied and to the first or n negative electrodes(Y1 or Yn) of each scanning line the driving pulse with the same period and voltage value as the positive electrodes(A) is supplied. To the negative electrodes(Y1, Y3, ... ,Yn) of scanning lines, electrodes of which aren't damaged, the scanning pulse with the narrow pulse width is supplied, but to the second negative electrode(Y2) of the second scanning line, the space of which became wide by the damage of the electrodes, the scanning pulse with the wide pulse width is supplied.
Patent KR-20000023017-A (KR)
Inventor: MATOBA HIROAKI
IPC: C04B35/46
Filed: 1999-09-09
Abstract: PURPOSE: A dielectric ceramic composition for temperature compensation is provided which has high Q value, high relative dielectric constant, low sintering temperature and desired ceramic properties in sintering. The ceramics thereof are used for multilayer ceramics such as multilayered ceramic capacitor and LC filter. CONSTITUTION: The composition contains: 100 pts.wt. of the main materials of the following formula, xBaO-yTiO2-zRe2O3 (x+y+z=100, Re; at least one rare earth metals), in which the molar ratio of BaO, TiO2, Re2O3 is in the range of surrounded point A, B, C, D in a three dimensional diagram(Fig.1); B2O3-SiO2 based glass excepting Pb oxide of less than 25 pts.wt.; at least one oxide among V-oxide changed into V2O5 of less than 10 pts.wt. or W-oxide changed into WO3 of 20 pts.wt.; and optionally CuO of less than 10 pts.wt. or MnO of less than 20 pts.wt.
Patent KR-20010028890-A (KR)
Inventor: HAM SEONG HO
IPC: H04B7/26
Filed: 1999-09-27
Abstract: PURPOSE: A system for collecting billing data in a mobile communication system is provided to apply a variable format of presently used circuit-based and IP-based packet data, only with the correction of a database value for mutually different formats of billing data collected from switches, without the suspension of process and the change of application. CONSTITUTION: Billing data collectors(22,23) collect the information of generated billing data and information data of NEs(Network Elements,20,21). A billing data formatter(24), or an RS(Reference Scheduler), configured in a single block converts the billing data having optional code types into an identical code type. In the billing data formatter(24), the first module confirms a database repository(25) storing the billing data information and the information of the NEs(20,21), to search whether converted information exits. The second module overall manages a database table of the billing data collected by the first module. The third module guides a file of the collected billing data to the database table, by being interlinked with the billing data formatter(24). The fourth module allocates the information of the billing data and the information of the NEs(20,21) in a memory, to perform general management for the information.
Patent KR-20010028913-A (KR)
Inventor: KIM CHOONG YEUP
IPC: E04D11/02
Filed: 1999-09-28
Abstract: PURPOSE: Flexible protecting concrete is provided to be applied to the uneven surface of a waterproof layer. CONSTITUTION: Flexible protecting concrete(10) comprises a surface layer(11), numerous concrete blocks(12) and an elastic material(13). The surface layer is a thin layer of an expended metal net, reinforcing fiber or a synthetic resin layer containing the reinforcing fiber. The protecting concrete is constructed by the steps of installing the surface layer on the floor, installing a frame, pouring mortar into the frame, and pressing to form the concrete block, removing the frame, charging the space between the concrete blocks with the elastic material, and treating the concrete block and the upside charged with the elastic material.
Patent KR-20010029158-A (KR)
Inventor: LEE HAN SANG
IPC: H04B1/38
Filed: 1999-09-29
Abstract: PURPOSE: An apparatus for opening/shutting a cellular phone cover is provided to maintain open/shut states of the cellular phone cover by a cooperative operation of a fixing cam and a rotating cam in a manual mode, and to open/shut the cellular phone cover by a reduction gear assembly and a motor in an automatic mode. CONSTITUTION: A housing(110) is firmly mounted inside of a hinge axis of a cellular phone cover, which is coupled with a cellular phone body to be hinge-capable. A gear box(140) mounted on the housing(110) builds a reduction gear assembly and a motor(150) rotating the reduction gear assembly. When the motor(150) is operated, the gear box(140) is rotated by the reduction gear assembly to rotate the housing(110). A rotating cam(130) is coupled with an output axis of the reduction gear assembly, and forms a rotating projector on one end thereof. A fixing cam(120) is firmly inserted into an upper end of the cellular phone body, and forms a concave groove cooperatively operating with the rotating projector. A spring(180) mounted on the housing(110) attaches the gear box(140) toward the fixing cam(120). A switch applies an operation signal to the motor(150).
Patent KR-20010036028-A (KR)
Inventor: KIM YONG SEON
IPC: H04M1/23
Filed: 1999-10-05
Abstract: PURPOSE: A hangul combining method is provided to form consonants that have been not marked in a keypad by pressing the keys on the keypad corresponding to hangul through an input means. CONSTITUTION: An input part generates the corresponding signal by pressing symbols on the keypad corresponding to the character to being transmitted. A processing part receives the signal from the above input part, and processes the received signals to output the corresponding character signal. A transmitting part receives the character signal from the above processing part and transmits it. A display is input the character signal from the above transmitting part and represents it as character on a display panel.
Patent KR-20010036131-A (KR)
Inventor: CHOI JU TAE
IPC: B22D11/06
Filed: 1999-10-06
Abstract: PURPOSE: An apparatus for controlling the shape of a strip in a twin roll type strip casting machine is provided to improve shape quality and actual yield of the strip by cutting off influx of oxygen contained air from the both edges of a roll and changing gas film thickness and gas composition of the both ends of the roll, thereby increasing cooling rates of the both ends of the roll. CONSTITUTION: The apparatus comprises devices for blocking influx of external air (11) on one side of which slit nozzles (13a,13b) injecting an inert gas are formed so that influx of the external air is cut off from a barrel part and a side part of the rolls (1,1a), wherein the devices for blocking influx of external air (11) are connected with each of gas supplying lines (12) having flow rate control valves (12a) at the both ends of the rolls (1,1a), and the devices for blocking influx of external air (11) are connected with moving control members (15) for moving up and down and left and right in a twin roll type strip casting machine equipped with a pair of rolls (1,1a) each of which rotates in an opposite direction, edge dams (2) installed at the both sides of the rolls for forming a molten steel pool, a meniscus shield (17) supplying an inert gas to the top surface of the molten steel pool and a pair of gas knives (18,18a) installed in a width direction of the rolls (1,1a).
Patent KR-20010037267-A (KR)
Inventor: KIM JEONG GIL
IPC: H01P5/12
Filed: 1999-10-15
Abstract: PURPOSE: An N-way broadband power distributor and a power combiner are provided to regulate the impedance by forming the equal spaced transmission lines and by adjusting the width and height of the transmission lines CONSTITUTION: The N-way broadband power distributor(100) includes a plurality of input ports for receiving the broadband frequency signal, two output ports, and two symmetric transmission lines. The input signals are distributed into two signals having the same power amplitude and the same phase respectively. The transmission line is thick near the output port and thin far away from the output port. The transmission line is constructed with the equal spaced square wave form to adjust the impedance. The N connection terminals are placed on the symmetry positions of these two transmission lines to connect the differential resistances.
Patent KR-20000000422-A (KR)
Inventor: HAN SEONG GYUN
IPC: H04B1/40
Filed: 1999-10-20
Abstract: PURPOSE: An automatic transmission/receipt method of radio terminal multi-media is provided to present mobile images to hand phone, store them in file, transmit the stored file through radio internet to other hand phone CONSTITUTION: The automatic transmission/receipt method of radio terminal multi-media comprises: a step transmitting/receiving multi-media files to/from a portable terminals(cellular phone, PCS phone, IMT-2000, PDA, bidirectional pager, web video phone etc) by connecting to prescribed server in prescribed periods or special message; and a step receiving sound files in connection of figures and presenting various information to users.
Patent KR-20010037990-A (KR)
Inventor: KIM YONG GU
IPC: A23K1/16
Filed: 1999-10-21
Abstract: PURPOSE: A feed composition for a milk cow is provided to produce milk having a high milk fat content by adding soybean hulls, sodium bicarbonate and calcium acetate. CONSTITUTION: General feed composition contains 16wt.% of corn, 15wt.% of wheat, 34.6wt.% of meal of coconut, cottonseed, soybean, etc., 10wt.% of wheat husks, 0.79wt.% of limestone, 0.75wt.% of calcium phosphate, 0.91wt.% of salt, 1.5wt.% of beef tallow, 1.3wt.% of a mineral additive, 0.05wt.% of a vitamin additive and 5wt.% of molasses. The feed composition for the invention is manufactured by adding additives like 13wt.% of soybean hulls, 0.8wt.% of sodium bicarbonate and 0.3wt.% of calcium acetate to the general feed composition.
Patent KR-20000075419-A (KR)
Inventor: PARK GYU YEON
IPC: G01C19/5762
Filed: 1999-10-29
Abstract: PURPOSE: A microgyroscope is provided to minimize force transmitted by an external vibration by vibrating three mass parts in a gyroscope and compensating vibrations of the mass parts in the opposite directions to minimize frictional loss of a supporting part, thereby improving resolution of the gyroscope and extending the lifespan of the gyroscope. CONSTITUTION: A microgyroscope includes an inner frame(140) mounted in an outer frame(120) to be excited with the outer frame integrally and having an inner mass part(110), a plurality of combs(150) traversely mounted at both sides in the inner frame in y-axis direction, vertical direction sensing electrodes(170) disposed between the combs with a predetermined interval and supported by an electrode supporting part(160), outer mass parts(210,210') mounted at both sides of the inner mass part, an elastic element(230) mounted between the outer frame of the inner mass part and the outer mass parts to be excited, a vibration structure(220) extendable in a width direction of the outer mass parts, a plurality of combs(240) mounted at one side of the vibration structure, and an exciting actuator(250) for initiating exciting operation as a voltage is applied and mounted with combs(260) for detecting the exciting state.
Patent KR-20010045241-A (KR)
Inventor: MIN DAE SEONG
IPC: H01L27/146
Filed: 1999-11-03
Abstract: PURPOSE: A solid-state image device is provided to eliminate a partition noise by making a lower portion of a reset gate have a potential of a step shape to prevent signal charges from being transmitted to a floating diffusion region. CONSTITUTION: The second conductive well is formed in the first conductive substrate. A buried-charge-coupled-device(BCCD) region is formed in the second conductive well. An output gate(35) is formed in the upper portion of the BCCD region, overlapping a part of a horizontal charge transfer gate so that charges migrating to an end part of a horizontal-charge-coupled-device(HCCD) region are transferred to a sense amplifier. A floating diffusion region(36) is formed in the surface of the BCCD region to detect the transferred charges. A reset gate(37) transfers sensed charges to a side surface of the floating diffusion region to become horizontal with the output gate. A reset drain region(38) is formed in the surface of the BCCD region to overlap a portion of the reset gate. An insulating layer is formed on the reset gate and the reset drain region. The first conductive line is in contact with the upper portion of both sides of the reset gate, formed on the upper portion of a side of the reset drain region and on the reset gate and having a potential distribution of a step shape under the reset gate. The second conductive line is formed in contact with the reset drain region in a direction perpendicular to the reset gate.