baber/WOPTO huggingface dataset:
Patent KR-20010036550-A (KR)
Inventor: OH SEOK NAM
IPC: H04L69/14
Filed: 1999-10-09
Abstract: PURPOSE: A method for controlling a multi-port in a multi-port controller is provided to make the unlocked use among multi-ports possible and to delay management of data and to improve efficiency of the operation of a system. CONSTITUTION: In a method for controlling a multi-port in a multi-port controller, a few stages are included. In the first stage(S1), a pipe between a port controller and a serve process is set up. In the second stage(S2), the data are received from the work station. In the third stage(S3), it is searched if there is any error in a hardware. In the fourth stage(S4), a port table is searched and in the fifth stage(S5), it is judged if the port table is on use. In the sixth stage(S6), a next port is searched if the current port is on use. In the seventh stage(S7), a port, which is not used, is found. In the eighth stage(S8), the environmental variable is stored. In the ninth stage(S9), the data are written on the multi-port. In the tenth stage(S10), it is judged if the time delay is generated. In the eleventh stage(S11), the information of the used port is written on the second pipe if the result is output in time and the signal is sent to the port controller. In the twelfth stage(S12), the output result of an in/output device is sent to the work station and the serve process ends. In the thirteenth stage(S13), the environmental variable is restored if the output of the in/output device is not carried out in time. In the fourteenth stage(S14), the information of the used port is written on the second pipe and the signal is sent to the port controller. In the fifteenth stage(S15), the output result of the in/output device is sent to the work station and the serve process ends.
Patent KR-20000000307-A (KR)
Inventor: BAE SANG CHEOL
IPC: E02F3/36
Filed: 1999-10-12
Abstract: PURPOSE: A connecting instrument for an excavator is provided to change easily and conveniently an attachment. CONSTITUTION: A connecting instrument for an excavator comprises: connecting apertures(22) formed on the both sides of the upper end of a main body unit(21) for hinge-connecting a front end unit of an arm(11) to a front end unit of a rod(12) of an excavator(10); an inserting groove(24) formed on the lower side of the main body unit to the external direction for inserting a fixing pin(25) of an attachment(13); and a connecting aperture(29) on one side of the lower part of the main body unit.
Patent KR-20000062139-A (KR)
Inventor: KIM SANG U
IPC: H01L33/14
Filed: 1999-10-18
Abstract: PURPOSE: A method of fabricating a p-type gallium nitride layer is provided which has high hole concentration by nitration and RTA(rapid thermal annealing) and form an ohmic contact through a carrier flow by tunneling. CONSTITUTION: In a method of fabricating a p-type gallium nitride layer by nitration. A gallium source, a nitrate source in a gallium nitride growing process, a magnesium source used as a dopant, and a carrier gas is respectively a trimethylgallium(TMGa), an ammonia(NH3) having a purity over 90%, biscyclopentadienylmagnesuim(CP2Mg) and hydrogen gas having a purity over 90%. Subsequently a nucleation layer is formed by MOCVD(molecular organic chemical vapor deposition), Mg-N-H composite is formed in 10 torr and in 10-1000°C by plasma, and nitrogen vacancy, natural oxide and oxynitrides on layer is respectively eliminated by annealing, immersing in hydrochloride acid or nitric acid solution.
Patent KR-20010037703-A (KR)
Inventor: HWANG DAE JOON
IPC: H04N7/14
Filed: 1999-10-19
Abstract: PURPOSE: An object locking system and method is provided to give each object a locking function in a CANVAS(Creative And New technology virtual Application System), and give a session participant a locking right by the sequence of the transmitted locking request. CONSTITUTION: The system comprises a drawing tool(22), an object manager(23), a locking controller(24), a packet generator(25), a packet analyzer(27), and an instruction sequence controller(26). The drawing tool(22) generates the objects according a user request. The object manager(23) stores the generated objects, and manages the stored objects. The locking controller(24) determines the locking status of the stored objects. The packet generator(25) generates locking request packets on the locking request objects according to the determination result of the locking controller(24), and transmits the locking request packets to a white board of other session generator. The packet analyzer(27) analyzes the packets transmitted from the white board of other participants. The instruction sequence controller(26) classifies the locking request by the transmission time, and gives the participant the right to lock or release the objects.
Patent KR-20010038027-A (KR)
Inventor: YOO SEONG IL
IPC: F02D45/00
Filed: 1999-10-21
Abstract: PURPOSE: A method for diagnosing abnormality of a car speed sensor is provided to sense noise pulse generated between a high signal and a low signal in input signals required for fuel amount and auto cruise control, thereby improving stability. CONSTITUTION: A method for diagnosing abnormality of a car speed sensor includes the steps of driving Hall element by the change of magnetic flux of the Hall element by a concave part and a convex part of a rotary wheel(S10), turning on a power transistor by the driving of the Hall element for inputting a voltage signal with noise to an A/D converter(S20-S30), making the level of the output voltage into a low level, a medium level, and a high level in the A/D converter(S40), and judging that the car speed sensor based on the signal of level(S50), judging that the car speed sensor is normal if the signal is the low or high signal(S60), and judging that the car speed sensor is abnormal if the signal is the medium signal(S70).
Patent KR-20010038178-A (KR)
Title: Unit pixel of image sensor
Inventor: LEE JAE DONG
IPC: H04N5/335
Filed: 1999-10-22
Abstract: PURPOSE: A unit pixel of an image sensor is provided to increase a photosensitivity by minimizing a noise of an output signal and remove a blooming effect. CONSTITUTION: A unit pixel comprises a photodiode(110) and five NMOS transistors. A transfer transistor(120) has a source-drain path formed between the photodiode and a floating node(160), and its gate connected to the first control signal. The first reset transistor(130a) has a source-drain path formed between the floating node and a power supply voltage(VDD) and its gate connected to the second control signal. A drive transistor(140) has its gate connected to the floating node and its source connected to the power supply voltage. A select transistor(150) has its gate connected to the third control signal, its source connected to a drain of the drive transistor, and its drain connected to a signal line. The second reset transistor(130a) has a source-drain path formed between the photodiode and the power supply voltage and its gate connected to the second control signal.
Patent KR-20010038528-A (KR)
Inventor: KIM BYEONG MU
IPC: G01S11/02
Filed: 1999-10-26
Abstract: PURPOSE: A power control device is provided to optimize a power level of a reverse transmission signal by variably controlling a magnitude of a transmission power control step according to a speed of a mobile station. CONSTITUTION: An automatic gain adjusting amplifier(31) adjusts a gain of a forward signal received by a mobile station, and a channel estimator(23) estimates the size and phase of a pilot channel of the forward signal outputted from the amplifier(31). A speed estimator(33) estimates a moving speed of the mobile station on the basis of the estimated size and phase of the pilot channel. A transmission power control step adjusting part(34) variably adjusts a magnitude of a transmission power control step on the basis of the estimated moving speed. A demodulator(35) demodulates a forward signal from the amplifier(31), and a verification part(36) verifies a reliability of a transmission power control command signal(TPC) demodulated through the demodulator(35). A transmission power control part(37) controls a magnitude of a transmission power on the basis of a transmission power control step adjusted/set by the adjusting part(34) and the transmission power control command signal verified through the verification part(35). A high power amplifier(39) adjusts and amplifies a power level of a reverse signal modulated through the modulator(38), depending on a control of the transmission power control part(37).
Patent KR-20010038997-A (KR)
Inventor: LEE HAK RAE
IPC: A01G13/00
Filed: 1999-10-28
Abstract: PURPOSE: Provided is a mulching paper for agriculture, which is used a recycled old paper to be decomposed in a natural state and doesn't accompany recovery work so that it is helpful in inhibiting soil pollution. CONSTITUTION: The mulching paper for agriculture comprises the components of: 0.2-0.4wt% of dry fertility reinforcing agent which contributes dry fertility like polyacrylamide to paper whose main component is cellulose; and 0.5-1.1wt% of wet fertility reinforcing agent which contributes humid fertility like epoxy resin. In the alternative use, the dry fertility reinforcing agent can be selected from groups consisting of polyacrylamide, positive starch or their compounds and the wet fertility reinforcing agent can be selected from groups consisting of epoxy resin, urea-form aldehyde resin or their compounds.
Patent KR-20010045600-A (KR)
Inventor: OH JANG GEUN
IPC: A47L9/16
Filed: 1999-11-05
Abstract: PURPOSE: A cyclone dust collector increases suction force of air flowing in through a suction inlet to increase centrifugal force to effectively separate dust contained in sucked air. CONSTITUTION: A dust collector includes a dust collecting case, a filter(41) and a protrusion(55). The dust collecting case has a suction inlet and a discharging outlet and forms air flowing in through the suction inlet(36) and containing dust into whirling air current to separate dust. The filter(41) is coaxially installed in the dust collecting case to pass air with dust filtered off. The protrusion(55) upwardly protrudes toward the filter(41) to prevent back flow of dust.
Patent KR-20010046269-A (KR)
Inventor: BAE SEONG HO
IPC: G02B6/10
Filed: 1999-11-11
Abstract: PURPOSE: A method of monitoring an amplified WDM(Wavelength Division Multiplexed) system using OTDR(Optical Time Domain Reflectometry) proceeding against transmission data is provided to reduce the impact of data losses and to amplify OTDR pulses without EDFA(In-line erbium Doped Fiber Amplifier). CONSTITUTION: In the method of monitoring an amplified WDM system, optical signals from optical transceivers(Tx1-TxN) go through a multiplexer(100) and an optical amplifier(110). And the signals are combined at a WDM coupler(120) and given as an incidence to a first-level optic-fiber span(130). The incidence optic signals go through, in turn, a first-level EDFA(140), a second-level optic-fiber span(132), a second-level EDFA(142), a third-level optic-fiber span(134) and a WDM isolator(122) and arrive at a receiver(RX). Meanwhile, an OTDR monitor(150) locates at the same level with the receiver(RX) sends OTDR pulses in the opposite direction of transmitted optic signals. Here, the first-level and second-level EDFAs(140,142) enables duplex transmission only for signals having the wavelength of through a change of the EDFA structure.
Patent KR-20010047189-A (KR)
Inventor: KIM BYEONG GI
IPC: H01M10/0585
Filed: 1999-11-18
Abstract: PURPOSE: A lithium ion secondary battery is provided which efficiently prevents the leakage of an organic electrolytic solution by improving the sealing condition of an electrode tap and an upper part and a lower part case and has improved charging and discharging property and life property. CONSTITUTION: The lithium ion secondary battery comprises: (i) a battery assembly(20) which is prepared by laminating a cathode plate, an anode plate and a separator and has electrode taps(23, 23') to induce generated electric current to the outside; (ii) a case(30) which comprises an upper case part(30a) and a lower case part(30b) and seals the battery assembly by joining the border of the upper case part to the lower case part with exposing a part of the electrode taps to the outside; and (iii) sealants(25, 25') which coat the certain area of the electrode taps in certain width and are interposed between the border of the upper case part and the border of the lower case part to prevent the leakage of an organic electrolytic solution and are made of ethylene-vinyl acetate copolymer.
Patent KR-20010048227-A (KR)
Inventor: CHAE JI UNG
IPC: H04B10/29
Filed: 1999-11-25
Abstract: PURPOSE: A digital optical repeater of a cascade mode is provided to transceive a digital optical signal through an optical path without rendering a mater optical repeater and a slave optical repeater connected with a cascade mode to convert a digital signal to an analog signal. CONSTITUTION: A signal applied from a mobile terminal(500) to the first slave optical repeater(300) is received through the second antenna(360) at a later time than the first antenna(324). The signal applied through the second antenna(360), an arrester(362), a coupler(364) and a filter(366) is amplified by the second low noise amplifier(368) and applied through a filter(370) to the third frequency reducing unit(372). The third frequency reducing unit(372) reduces a frequency of an analog signal and applies it to the third A/D converter(374), and then, the third A/D converter(374) converts the analog signal applied from the third frequency reducing unit(372) to a digital signal. The third A/D converter(374) applies the digital signal through a filter(376) and a delay unit(378) to the second digital combiner(380). The second digital combiner(380) adds the digital signal applied through the filter(376) and the delay unit(378) and the digital signal applied through the fourth demultiplexer(302) from the third optical module unit(346). The second digital combiner(380) applies a radio frequency through the third multiplexer(382) to the second optical module unit(302), and the second optical module unit(302) converts the radio frequency applied through the third multiplexer(382) from the second digital combiner(380) to an optical signal and transmits it to a master optical repeater(200).
Patent KR-20010054934-A (KR)
Inventor: CHOI BONG GYU
IPC: G06K9/58
Filed: 1999-12-08
Abstract: PURPOSE: A subminiature optical fingerprint input device is provided to input a clear fingerprint image and to construct a subminiature fingerprint input device. CONSTITUTION: An optical input device(17) transmits a fingerprint image inputted through an optical prism to a CMOS camera(9a). An interface device receives the fingerprint image from the CMOS camera(9a) by one frame at high speed and stores the image in a memory and transmits the image to a user at high speed. The prism(1) is installed on the optical input device(17) by allocating a fingerprint picking surface(2a) of the prism(1). An illumination(23) is installed at the lower portion of one slant surface(2c) of the prism(1). A light blocking film(21) is installed at the outer surface of the other slant surface of the prism(1). A reflection mirror(20) reflects the reflected fingerprint image through the one slant surface(2c) of the prism(1). A focusing lens system(7) is provided at the lower portion of the prism(1) for focusing the reflected fingerprint picking surface. An adjacent sensor senses a contact of a finger to the fingerprint picking surface(2a). The interface device includes a fingerprint control unit and a memory(RAM). The fingerprint control unit senses an access of the finger from the adjacent sensor, and receives the fingerprint image from the CMOS camera(9a). The memory stores the fingerprint image and transmits the fingerprint image to a fingerprint comparing device.
Patent KR-20010056450-A (KR)
Inventor: LEE BYEONG HA
IPC: H01L21/76
Filed: 1999-12-15
Abstract: PURPOSE: A method of forming a device isolation layer of a semiconductor device is provided to prevent the damage of the device isolation layer in the low voltage device region by first etching process to form a field oxidation layer in the high voltage device region and then forming the device isolation layer in the low voltage device region. CONSTITUTION: A substrate is provided where a high voltage device region and a low voltage device region are formed on a semiconductor substrate, both isolated by a trench, each region having a well region and a drift region, and each region having an oxidation layer and a nitride layer subsequently deposited. The nitride layer on the portion corresponding to a part of the high voltage device region is selectively removed. A field oxidation layer(22) of a high voltage device region is formed on the portion without the nitride layer. The nitride layer(23) on the portion corresponding to a part of the low voltage device region is selectively removed. Through the portion where the nitride is removed, impurities are injected into the semiconductor substrate to form a device isolation layer by LOCOS for performing the thermal process.
Patent KR-20010056195-A (KR)
Inventor: KIM DAE YEONG
IPC: C01G49/02
Filed: 1999-12-16
Abstract: PURPOSE: A method for preparing nickel-copper-zinc ferrite materials by using an iron oxide and effluent is provided which prevents partial segregation by increasing the slurry concentration within an adequate range or using NH4OH dispersing agent, or using two methods at the same time so that it changes the number of times for injecting the iron oxide into a process after a washing and filtration step of a metallic hydroxide. CONSTITUTION: The method comprises steps of: (i) mixing an effluent containing Ni, Zn and Cu ions to be a ferrite composition; (ii) after putting an alkalinizing agent in the mixture solution of the step (i) to adjust the pH to be 10-13 and making a hydroxide product, filtering and washing it; (iii) dispersing the hydroxide product in water to make the slurry concentration to be 10-20; (iv) putting 0.95-1.00 time of Fe2O3 based on the molar concentration of the mixture solution of the step (iii) in the mixture solution; and (v) heat-treating the obtained complex product of the step (iv) at a temperature of over 600 deg.C.
Patent KR-20010057281-A (KR)
Inventor: KIM YEONG BIN
IPC: B60K17/34
Filed: 1999-12-21
Abstract: PURPOSE: A cam flower of car with four-wheel drive reduces a maintenance cost by changing parts partially, in addition to improving a durability and confidence of parts. CONSTITUTION: A loss occurred by the difference of the coefficient of friction is reduced by inserting a friction medium(30) having same material with a clutch ring case between a cam flower(9) and the clutch ring case. Thus, a durability and a confidence of overall vehicle is improved by reducing and dispersing a friction force and a contact stress which are occurred easily between the cam flower(9) and the clutch ring case. Also, a repair work is simplified because the inconvenience followed by the common change of the cam flower(9) is reduced and the only friction medium(30) is simply changed on the occurrence of a wear.
Patent KR-20010063028-A (KR)
Inventor: KO WON YONG
IPC: H01L21/28
Filed: 1999-12-21
Abstract: PURPOSE: A method for forming a copper line using a damascene or a dual damascene process is provided to form a thick copper line with an electroplating method, after forming a copper seed layer with a chemical vapor deposition method. CONSTITUTION: A hole or a trench is formed on an insulation film(110) on a substrate(100) to apply a damascene or a dual damascene process. A TaN film(130) and a copper film(140) are formed in sequence with a sputtering method. The TaN film is for preventing the diffusion of a copper. Then, a surface catalyzer containing an iodine is introduced on the resulted structure where the copper film is formed. And, a copper seed layer(160) is formed by a chemical vapor deposition method by supplying a Cu enough thick to act as an electrode of an electroplating. Then, the hole or the trench is buried with a copper(170) by transferring the resulted structure where the copper seed layer is formed.
Patent KR-20010058218-A (KR)
Inventor: BAE YEON SEONG
IPC: B25B21/00
Filed: 1999-12-24
Abstract: PURPOSE: A bolt and nut disassembling device of a high pressure turbine is provided to prevent an accident and the damage of the high pressure turbine caused by the drop of a nut by easily disassembling the nut from the bolt of a casing. CONSTITUTION: A device for disassembling or assembling a nut from or into the bolt of a casing in a high pressure turbine, includes a bar shaped body consisting of an upper body(11) with a handle(13) and a lower body(12) combined with the lower end of the upper body by a screw; an upper socket portion(20) consisting of a supporting plate(21), two upper sockets(22,23) with different sized holes(22a,23a), and holders(24,25) with nut grooves inserting the head of the bolt; a cylindrical rotator(30) rotatively inserted into the lower body, with a protruded guide(32); a nut type collar(40) vertically inserted into the end of the guide, with a stopper groove(41) and a worm(42); a height adjusting device(50) consisting of a shaft(52) and bevel gears(53) to adjust the height of the collar; and a helical axis(60) inserted into the collar in an axial direction, with a lower socket(61) having a nut groove(61a) and a handle(62).
Patent KR-20010060988-A (KR)
Inventor: KIM HWAN MYEONG
IPC: H01L21/76
Filed: 1999-12-28
Abstract: PURPOSE: A separation structure manufacturing method of a semiconductor device is provided to prevent concentration of electric field and current leakage by rounding the exposed peak of a board. CONSTITUTION: A pad oxide film and a nitride film are deposited on the upper part of a substrate(1) in sequence. The nitride film and the pad oxide film are partially etched to expose a portion of the substrate(1). The nitride film is used as an etching mask to etch the exposed portion of the substrate(1) to form a shallow trench. An inclined ion injection is carried out to inject oxygen ion into the peak of the substrate(1) at an upper side area of the trench. The trench is oxidized to form a surface oxide film(4) at the side and bottom of the trench. An oxide film is deposited on the upper front of the substrate(1) having the trench with the surface oxide film(4). The oxide film is flattened to expose the nitride film, and the nitride film and the pad oxide film are removed to form a separation structure in the trench.
Patent KR-20010065115-A (KR)
Inventor: KIM JIN GWAN
IPC: H05K3/10
Filed: 1999-12-29
Abstract: PURPOSE: A method for fabricating PCB is provided to obtain a circuit pattern with a fine pitch, while avoiding deterioration of conductivity and heat radiation performance of the via hole area. CONSTITUTION: A method comprises the step of forming a via hole(3) at a resin layer(1) forming a core and at a predetermined portion of the core material consisting of a copper sheet(2) formed at both surfaces of the resin layer; the step of forming an electroless plated layer(4) at the upper and lower surfaces of the core material and into the via hole; the step of etching the resultant structure in such a manner that the electroless plate layer forms a predetermined circuit pattern; the step of defining an electrolytic plated area by depositing a photo solder resist material(5a) all over the area excepting the via hole area of the core material where the circuit pattern is formed; the step of forming an electrolytic plated layer(6) in the via hole area by performing electrolytic plating to the core material; the step of depositing the photo solder resist material all over the area of core material; and opening the finger area or ball area of the circuit pattern through exposure and development of the photo solder resist material.