baber/WOPTO huggingface dataset:
Patent KR-20010027837-A (KR)
Inventor: KIM IN HOE
IPC: H01L33/20
Filed: 1999-09-16
Abstract: PURPOSE: A method of fabricating a high-density LED array is to realize the LED array having a hetero-junction structure, thereby improving luminous efficiency and luminance of the LED array. CONSTITUTION: The second layer having the second lattice constant is formed on the first layer having the first lattice constant. The third layer having the third lattice constant is formed on the second layer to form a hetero-junction structure. A part of the third layer is etched to form the first insulating groove(4) for exposing an upper face of the first layer. The first insulating groove is filled with an insulating material. The hetero-junction structure is divided into an electrode portion and a luminous portion based on the first insulating groove. An insulating layer(7) is formed on the third layer and the first insulating groove. Then, the insulating layer on the third layer is partially removed corresponding to the luminous portion to form the second insulating groove(9). An etching process is performed to expose an upper face of the first layer to form the plurality of insulating grooves, thereby dividing the luminous portion into a plurality of unit illuminant sources.
Patent KR-20010028925-A (KR)
Inventor: BAEK JI UN
IPC: H04B1/40
Filed: 1999-09-28
Abstract: PURPOSE: A power amplifier of a mobile phone terminal is provided to selectively operate three OP(Operational) amplifiers by switching operations of the first bias switch and the second bias switch, so as to reduce power consumption of the terminal. CONSTITUTION: A power amplifier(24) comprises as follows. Three OP(Operational) amplifiers(OP3,OP4,OP5) are connected to each other in serial, and amplify a baseband analog signal in three-step ways. The first bias switch(SW1) is between an output terminal of the first OP amplifier(OP3) and an input terminal of the second OP amplifier(OP4), and turned on/off according to a switch control signal of an MSM(Mobile Station Module)(21). The second bias switch(SW2) is installed between bias input lines of the second OP amplifier(OP4) and the third OP amplifier(OP5), and turned on/off according to the switch control signal of the MSM(21). The three OP amplifiers(OP3,OP4,OP5) are selectively operated by switching operations of the first and the second bias switch(SW1,SW2).
Patent KR-20010035723-A (KR)
Inventor: YANG HUI CHEOL
IPC: H04N5/64
Filed: 1999-10-01
Abstract: PURPOSE: A shield for blocking a high voltage of an anode cap in a CRT is provided to block the high voltage generated in the anode cap of the CRT by covering a blocking shield to be made of mica between the anode cap and a cabinet. CONSTITUTION: A groove(5a) is formed for inserting one side of a blocking shield(5) into a rib(6) of a cabinet(1). The other side of the blocking shield(5) is curved at a downward direction according to a shape of a CRT(2). If the groove(5a) of the blocking shield(5) is inserted into a rib(6) formed in an inner side of an upper surface of the cabinet(1), the one side of the blocking shield(5) is inserted between the cabinet(1) and the CRT(2). The blocking shield(5) is made of mica.
Patent KR-20010037155-A (KR)
Title: Flash file system
Inventor: KIM BEOM SU
IPC: G06F12/02
Filed: 1999-10-14
Abstract: PURPOSE: The flash file system is provided to easily access data in a form of a file, even though using a special file system is difficult, by forming an independent file system in a flash memory. CONSTITUTION: A deletion block is a group of continuous data which may be deleted in a flash memory at a time. There are three types of deletion block, that is, a file information block(101), a free deletion block(102) and a data block(103). One file information block(101) and one free deletion block(102) exist in a flash file system. The other blocks are assigned to the data block(103). A state, a boot record and a plurality of file information items are recorded in the file information block(101). The free deletion block(102) is used for correcting the file information block(102). Data of a file are recorded in the data block(103).
Patent KR-20000029074-A (KR)
Title: Inverter circuit with duty cycle control
Inventor: WANG HONG MO
IPC: H03K5/08
Filed: 1999-10-14
Abstract: PURPOSE: An inverter circuit is to control a duty cycle of circuit by regulating a threshold voltage of transistor receiving a feedback signal. CONSTITUTION: An inverter circuit(100) includes a first and second transistors(Q1,Q2) sharing common input signals which are provided to gate terminals of the first and second transistors. The gate terminals of the first and second transistors generate output signals having a duty cycle from drain terminals of the first and second transistors. A control circuit(120) is connected between the drain terminal of the frist transistor and back gate terminal of the first transistor, and supplies a feedback signal of the output signals to the back gate terminal of the first transistor. Thereby, the back gate terminal of the first transistor regulates a threshold voltage of the first transistor receiving the feedback signal. The first transistor is PMOS transistor. The second transistor is NMOS transistor.
Patent KR-20010037285-A (KR)
Inventor: BAE YEONG HO
IPC: H04B7/26
Filed: 1999-10-15
Abstract: PURPOSE: A method for processing cell assignment and an inter-cell handoff call in a radio communication system under hierarchical cell environment is provided to improve network performance by assigning a suitable cell and executing a handoff in call setup or for a set call in a radio communication system under hierarchical cell environment. CONSTITUTION: If a mobile station attempts or requests a new call connection(302), a system having a program to achieve a method for processing cell assignment and an inter-cell handoff call in a radio communication system under hierarchical cell environment makes out a list of cells that a received signal strength indicator of a pilot measured periodically is more than a required level(T_ADD) and satisfies a bit rate the mobile station requests(303). The system searches the cell list(304). If the list has a value, the system calculates a mobility index(T_MOBIL) of the mobile station to select a more suitable cell(306). The system analyzes whether there is a cell of the same level as the calculated mobility index(T_MOBIL) among the cells of the list(307). If such a cell exists in the list, the system connects the cell to the call(308) and attempts a new call connection(302).
Patent KR-20010038141-A (KR)
Inventor: KIM GI HONG
IPC: G11B15/43
Filed: 1999-10-22
Abstract: PURPOSE: A unit for controlling a tension of a magnetic tape in a tape recorder is provided to have an extra space in arranging components and to reduce a weight of goods by installing an erase head on a tension lever. CONSTITUTION: A tension lever(210) is capable of rotating with elasticity on a deck(100) by a spring(230). An erase head(220) is installed in the tension lever(210) and performs functions to erase and press a magnetic tape(T). The tension lever(210) presses the magnetic tape(T) to the erase head(220) and gives a tension to the magnetic tape when a pole base assembly(150) withdraws the magnetic tape(T) from a tape cassette putting on a reel disk(110,120).
Patent KR-20000000443-A (KR)
Inventor: LEE MYONG YUL
IPC: A47K11/00
Filed: 1999-10-22
Abstract: PURPOSE: A fermentation typed public toilet is provided to improve promotion of fermentation and to easily use and manage. CONSTITUTION: A fermentation typed public toilet comprises:a rotating tank(5) installed on an inner wall of a toilet tank(1) and containing a spiral screw(14) for promoting fermentation by mixing a ventilating material with excretions; a purifying material(10) installed on a partition(6) of a urine tank(4) for purifying liquid waste; and a submarine motor(8) for transferring urine operating by a buoyant instrument(7) for promoting fermentation of the purified urine.
Patent KR-20000036303-A (KR)
Inventor: HAN JEON SIK
IPC: A61B8/00
Filed: 1999-11-27
Abstract: PURPOSE: A variable instrument for measuring bone density which can enhance the precision and accuracy in measurement even though different skeletal structure according to examinees is provided by setting the measuring part for absorptiometry when remeasuring, as the initial measurement setting. CONSTITUTION: A variable instrument for measuring bone density is characteristically comprised of: a flat plate(22) having a connecting projection having communicating tube attached to its lower part; a rear side plate(24) having a contact sensor mounting part on its center, vertically extended from the rear side of the flat plate; an operation supporting plate(20) comprised of a front side arch part(26) extended from the front part toward the rear part of the flat plate, forming an arch, having a certain size of storing track; and a measuring member(30) having storage space for the operation supporting plate(20) and a pair of side wall with mounting area for sensor for measuring density of bone, wherein at least one of the side wall has installation part for a photo-guide, and wherein the plate of the measuring member(30) has a horizontal axis adjusting meas(36) for moving the operation supporting plate(20) in horizontal direction and a tilting means(37) for tilting the operation supporting plate(20) to have certain slope.
Patent KR-20010048776-A (KR)
Title: Vacuum cleaner
Inventor: OH JANG GEUN
IPC: A47L5/12
Filed: 1999-11-29
Abstract: PURPOSE: A vacuum cleaner is provided to easily and effectively clean the section, where is difficult to clean, by absorbing the dust after dispersing dust. CONSTITUTION: A first and a second air pipes(35)(45) pierce perpendicularly the upper face of a dust collecting room(11) and have an inlet port(34)(44) and an outlet port(36)(46) respectively. An exhaust duct(51) is formed on the upper part of the dust collecting room and forms an exhaust port(53) between the first air pipe and the inlet port of the second air pipe. A guide duct(58) connects the exhaust duct with the first air pipe and guides the airflows along the exhaust duct into the first air pipe. An interrupt device, which has an interrupt plate sliding between the positions interrupting the exhaust port or the inlet port, interrupts selectively the exhaust port of the exhaust duct or the inlet port of the second air pipe.
Patent KR-20010054871-A (KR)
Inventor: EOM CHI MAN
IPC: D04H13/00
Filed: 1999-12-08
Abstract: PURPOSE: A process for preparing a shape memory nonwoven fabric felt having excellent air permeability and shape recovery properties is provided. Whereby, the obtained nonwoven fabric felt can be used as a patch for brassiere cup and clothes. CONSTITUTION: In a process for preparing nonwoven fabric comprising a mixing process, a carding process, a stretching process, a punching process and a heat treating process. 15 to 25% by weight of heat adhesive fiber, 45 to 55% by weight of carbon fiber, 15 to 25% by weight of fixed type fiber and 5 to 15% by weight of olefin fiber are mixed in the mixing process and infrared ray treatment is carried at 170 to 180deg.C after the punching process.
Patent KR-20010055044-A (KR)
Inventor: KIM JIN HONG
IPC: G11B7/26
Filed: 1999-12-09
Abstract: PURPOSE: A method for spin coating an optical disk is provided to obtain a uniform thickness distribution for entire area of the optical disk through eliminating an edge effect. CONSTITUTION: To produce an optical disk, a spin coating housing is used. Herein, a disk is inserted to the disk housing having a groove to perform the spin coating. Herein, the groove is formed on an upper surface of a disk shape larger than the disk. Then, an edge of the disk is continued from an edge of the disk housing. Thus, an edge effect is prevented by uniformly spraying an ultraviolet ray hardening resin. Herein, an outer circumference of the disk and an inner circumference of the disk housing are precisely identified while precisely identifying a depth of the disk housing and a thickness of the disk.
Patent KR-20010055139-A (KR)
Inventor: LEE JIN HEON
IPC: H04B7/00
Filed: 1999-12-09
Abstract: PURPOSE: A method for receiving the reference clocks of a standby board in the duplicated operation of clock boards is provided to grant priority to a plurality of reference clocks to be received, when it judged that a system is in an operation standby state, and to check whether the receiving is started from the first reference clock so that an operation can be achieved with a reference clock of higher priority. CONSTITUTION: If a system enters into an operation standby state, a standby board grants priority to a plurality of receiving-possible reference clocks and judges whether a reference clock of 4KHz is received through an active board(S1). In case that the 4KHz reference clock is not being received, the standby board checks whether a reference clock of 8KHz is received(S2). In case that the 8KHz reference clock is not being received, the standby board judges whether a reference clock of 2.048MHz is received(S3). In case that the 2.048MHz reference clock is not being received, the standby board judges that a local clock is being received(S4). If it is judged that one of the reference clocks is being received, the standby board provides an output driving control signal according to the judged reference clock so that the clock necessary for the operations of the standby board can be received.
Patent KR-20010056099-A (KR)
Inventor: JUNG JAE EON
IPC: C12N5/077
Filed: 1999-12-14
Abstract: PURPOSE: A medium including human serum for human cell cultivation is provided to eliminate existing problems such as the delay of multiplication speed and the loss of phenotype. CONSTITUTION: The medium for human cell cultivation includes 1-50%(v/v), preferably 5-20%(v/v), of human serum. Other ingredients of the medium are insulin, transferrin, selenium, T3 hormone (3,3,5-triiodo-L-thyronine), transforming growth factor (TGF-β), insulin-like growth factor (IGF), fibroblast growth factor (FGF), platelet-derived growth factor (PDGF), keratinocyte growth factor (KGF), and epidermal growth factor (EGF). Each 1mg/l-15mg/l of insulin and transferrin is used while 1μg/l-15μg/l of T3 hormone (3,3,5-triiodo-L-thyronine) used.
Patent KR-20010056996-A (KR)
Inventor: PARK HONG JUN
IPC: H04B7/155
Filed: 1999-12-17
Abstract: PURPOSE: An apparatus for providing RF signal and power to a remote RF unit of the base station is provided to realize amplification/power supply circuit having the variable amplifying function to compensate for the loss of IFL cable connecting the ground base station and the remote RF units of the tower-top base station and the bias-t function for power supply, thus enabling to construct a small-size base station with low cost, and improving the reliability by its dual-realization. CONSTITUTION: The first RF switching unit(210) switches input signal according to switching control signal. The first amplification/attenuation unit(220) amplifies the output signal from the first RF switching unit to compensate for the loss of path, and attenuates the signal to suit for the processing input condition of an antenna tower. The second RF switching unit(230) switches one output signal of either the first amplification/attenuation unit or the first RF switching unit according to the switching control signal. When failure occurs in the first amplification/attenuation unit(220), the second amplification/attenuation unit(240) amplifies the output signal from the second RF switching unit to compensate for the loss of path, and attenuates the signal to suit for the processing input condition of an antenna tower. The third RF switching unit(250) switches one output signal of either the second amplification/attenuation unit or the second RF switching unit according to the switching control signal. A switching control unit(260) generates a switching control signal of RF signal by comparing the voltage generated according to the current biased to the first amplification/attenuation unit(220) to the reference voltage. A power supply unit(270) supplies the output signal of the third RF switching unit(250) and power to the antenna tower.
Patent KR-20010063141-A (KR)
Inventor: KIM SANG HO
IPC: B60J3/02
Filed: 1999-12-21
Abstract: PURPOSE: A sun visor ensures a driver's sight and intercepts direct ray of light projected from the front side. CONSTITUTION: A sun visor comprises a main sun visor(2), an auxiliary sun visor(3) and a leaf spring(5). The main sun visor(2) is installed on a shaft(1) to intercept light projected into a car room. The auxiliary sun visor(3) is made of transparent synthetic resin and is installed on the shaft(1) by a hinge and is connected to the shaft(1) by snap method when folded. The leaf spring(5) is installed in the hinge and pressurizes the auxiliary sun visor(3) to the main sun visor(2). The main sun visor(2) and the auxiliary sun visor(3) are fixed by a clip installed on a roof panel when not used.
Patent KR-20000048311-A (KR)
Inventor: CRAIG W ERWIN
IPC: F02C7/28
Filed: 1999-12-22
Abstract: PURPOSE: An apparatus for and a method of using a gas turbine engine are provided to achieve an active clearance control for controlling clearance between a rotor assembly and a casing in a gas turbine engine, specifically during a period of thermal inequality. CONSTITUTION: An apparatus for use in a gas turbine engine having a rotor assembly and a casing, the apparatus comprising a first processing unit for generating at least one signal representative of at least one thermal state of the rotor assembly and at least one signal representative of at least one thermal state of the casing in response to a signal representing the operation state of the engine, and a second processing unit for generating a signal representative of a difference between an instantaneous clearance for at least one thermal state of the rotor assembly and for at least one thermal state of the casing and a clearance for a normal thermal state of the rotor assembly and the casing with respect to the operation state of the engine in response to the signal representative of the operation state of the engine, at least one signal representative of at least one thermal state of the rotor assembly and at least one signal representative of at least one thermal state of the casing.
Patent KR-20010063940-A (KR)
Inventor: HAN MAN SU
IPC: H04L12/28
Filed: 1999-12-24
Abstract: PURPOSE: A cell/packet switching system configured with planes is provided to configure multiple planes, to compensate an additional time block for bit and word synchronization for output data of an asynchronous cross pointer/cross bar switch for sequential activation and operation. CONSTITUTION: Input/output buffering units(4100,4200,4300) stores cell/packet inputted at a high speed, for waiting. Cross pointer/cross bar switching units(4410,4420,4430) are configured with multiple planes, for interfacing and switching with the input/output buffering units(4100,4200,4300) through a high speed serial bit stream input/output. A cell/packet arbitrating unit(4500) performs arbitration for the output control of the cell/packet stored in the input/output buffering units(4100,4200,4300), outputs shape change information to the cross pointer/cross bar switching units(4410,4420,4430), and sequentially activates the cross pointer/cross bar switching units(4410,4420,4430) to output the shape change information.
Patent KR-20010058294-A (KR)
Inventor: SEO BEOM SEOK
IPC: H04B10/25
Filed: 1999-12-27
Abstract: PURPOSE: A method for managing various stations of an optical-line monitoring system is provided to efficiently manage the system, by enabling information on the stations and operators to be added, modified and deleted easily. CONSTITUTION: A remote-station management screen is provided(S201). A user's request is determined in response to an input via the remote-station management screen(S202). According to the input of a user, a station such as a concentrated station, a remote station or a telephone office is added(S203-S206), a station is modified(S207,S210-S213) and a station is deleted(S208,S209). When the remote-station management screen is closed, map data is stored in a database, and an alarm is displayed(S214).
Patent KR-20010061124-A (KR)
Inventor: KIM JAE HONG
IPC: H01L21/28
Filed: 1999-12-28
Abstract: PURPOSE: A conductive line forming method for semiconductor device is provided to enhance the features and reliability of a semiconductor device by forming a conductive lines using a dual damascene technique for avoiding dishing or erosion. CONSTITUTION: A semiconductor substrate(21) is provided with an oxide film line/space pattern. A tungsten film(23) is formed on the whole surface of the semiconductor substrate(21) to fill between the line/space pattern. The tungsten film(23) is flattened through Chemical Mechanical Polishing (CMP) using slurry. The slurry has a ratio to deionized water of 100 to 500 : 1, or to a hydrogen peroxide of 50 to 100 : 1, and pH of 2 to 4. KOH or NH4OH is added to the slurry to prevent agglomeration of polishing particles.
Patent KR-20010058495-A (KR)
Inventor: YANG BI RYONG
IPC: H01L27/115
Filed: 1999-12-30
Abstract: PURPOSE: A semiconductor memory device with a dual layer of an oxide layer and a titanium layer for preventing hydrogen diffusion and a method for manufacturing the same are provided to improve electrical characteristics of a semiconductor memory device by preventing diffusion of hydrogen to an inside of a capacitor. CONSTITUTION: A transistor is formed on a semiconductor substrate(10). The first interlayer dielectric(15) is formed on the whole structure. A capacitor(17,18,19) is formed on the first interlayer dielectric(15). A pattern for covering the capacitor(17,18,19) is formed on the capacitor(17,18,19). The second interlayer dielectric(22) is formed on the whole structure. A metal line for connecting an upper electrode(19) of the capacitor(17,18,19) with the transistor is formed thereon. A passivation layer(26) is formed on the whole structure.
Patent KR-20010058498-A (KR)
Inventor: YEO IN SEOK
IPC: H01L21/762
Filed: 1999-12-30
Abstract: PURPOSE: A method for forming a trench type isolation layer of a semiconductor device is provided to prevent a void of a trench buried oxide layer by forming a trench type isolation layer. CONSTITUTION: A trench mask pattern is formed on a semiconductor substrate(20). A narrow trench and a wide trench are formed by etching the semiconductor substrate(20). The first silicon oxide layer(24) is deposited by using an atomic layer deposition method. The narrow trench is buried fully by the first silicon oxide layer(24). The wide trench is buried partially by the first silicon oxide layer(24). The second silicon oxide layer(25) is deposited on the whole structure. The wide trench is buried fully by the second silicon oxide layer(25).
Patent KR-20010066022-A (KR)
Inventor: KIM SEONG GEUN
IPC: F02M25/07
Filed: 1999-12-31
Abstract: PURPOSE: A foreign substance remover of an EGR(Exhaust Gas Recirculation) system is provided to prevent the deposition of carbon in an EGR system and the degradation of an EGR valve by burning foreign substances in exhaust gas. CONSTITUTION: A foreign substance remover of an EGR system comprises a wire heater(11) installed in an inlet of an EGR valve(2), front and rear manometers(12,13) measuring front and rear pressures of the heater, a differential pressure sensor(14) calculating difference of the front and rear pressures, and an ECU(Electronic Control Unit)(15) controlling to supply power to the heater upon pressure difference over a predetermined value. If resistance occurs in an exhaust gas flow due to the collection of HC and oil tar in the exhaust gas, pressure difference occurs in the front and rear portions of the heater. Then the ECU applies power to the wire heater. The wire heater is heated and foreign substances filtered by a wire screen of the wire heater are burned with the heat.