baber/WOPTO huggingface dataset:
Patent KR-20000017576-A (KR)
Title: Radio Wave Transmitting Material
Inventor: MWULASEIDAKWU
IPC: H01Q17/00
Filed: 1999-08-27
Abstract: PURPOSE: A radio transparent body is provided to have light, excellent nonflammable and radio transparent characteristics. CONSTITUTION: The radio transparent body comprises a honeycomb structure (2) and a nonflammable board. The nonflammable board is attached to both sides of the honeycomb structure by use of an adhesive. The honeycomb structure is configured to piling a nonflammable sheet (11) at a slurry, which includes a function nonorganic composition as a main component, by a honeycomb shape. The nonflammable board is agitated at the slurry which includes a function nonorganic composition as a main component.
Patent KR-20010019980-A (KR)
Inventor: KIM JONG RYEON
IPC: C22B1/14
Filed: 1999-08-31
Abstract: PURPOSE: A method for manufacturing sintered ore having superior sintering quality by hearth layer ore mixed charging is provided to drop manufacturing cost of sintered ore and improve quality of sintered ore and operation by improving problems of quality deterioration of sintered ore and a degree of recycling, thereby using a large amount of inexpensive iron ore. CONSTITUTION: A method for manufacturing sintered ore having superior sintering quality by hearth layer ore mixed charging comprises the process of mixing and charging hearth layer ore having an ordinary particle size within a range of 5 wt.% or less of a mixed raw material into lower part of sintered layer in manufacturing sintered ore using limonite as a main raw material. A mixing ratio of the limonite is 40 wt.%. The charging of the hearth layer ore is carried out through a hearth layer ore hopper. The manufacturing method can reduce manufacturing cost of sintered ore and improve quality of sintered ore and operation by improving problems of deterioration of sintered ore qualities such as strength and a degree of recycling, thereby using a large amount of low priced iron ore when low priced low quality iron ore, limonite type ore, is used in manufacturing sintered ore.
Patent KR-20010026742-A (KR)
Inventor: HWANG BYEONG GEUN
IPC: H01L27/10
Filed: 1999-09-08
Abstract: PURPOSE: A semiconductor device having a redundancy cell and a fabrication method thereof are provided to prevent corrosion of a metallization layer caused by moisture absorption through an interlayer dielectric layer at a fuse open region. CONSTITUTION: A semiconductor substrate has a cell array region and a redundancy cell region, and an insulating layer(31) is formed thereon. Then, a lower conductive layer(33) is formed on the insulating layer(31), and a fuse layer(35) is formed above the insulating layer(31) in the redundancy region. Next, the first interlayer dielectric layer(37) is formed over a resultant structure and etched to form a via hole exposing the lower conductive layer(33). A plug(39) is then formed in the via hole and connected to an upper conductive layer(41) on the first dielectric layer(37). After the second interlayer dielectric layer(43) is formed over a resultant structure, the first and second dielectric layers(37,43) in the redundancy region are etched to simplify a cut of the fuse layer(35). Then, a capping layer(49) such as a plasma oxide or a plasma nitride is formed and partially removed to expose the first dielectric layer(37) above the fuse layer(35).
Patent KR-20010035910-A (KR)
Inventor: MOON JAE DUK
IPC: C02F1/461
Filed: 1999-10-04
Abstract: PURPOSE: A high efficiency manufacturing equipment of electrolytic water is provided, which can produce super high concentration electrolytic water of three times and fifteen times stronger than existing equipments, like a strong acidic water (Wb) of pH 2-3, strong alkali water (Wa) of pH 11-12 and neutral water (Wc). CONSTITUTION: The system comprises the followings: (i) an equipment that has a water inlet (4) at the top and an anode water outlet (18) and a cathode water outlet (16) at the bottom; (ii) a wire cathode (11) connected to a cathode terminal and a wire anode (13) connected to an anode terminal, which are set in the equipment; (iii) an exterior cathode (21) and an interior cathode (23); and (iv) a cathode electrolytic water region (A) between the wire cathode (11) and exterior cathode (21) and an anode electrolytic water region (B) between the wire anode (13) and the interior cathode (23).
Patent KR-20000028983-A (KR)
Inventor: WARITA HIROHISA
IPC: G05F1/56
Filed: 1999-10-11
Abstract: PURPOSE: A power supply apparatus is provided to control the electric potential of a base resistance and to prevent the base resistance by returning terminal voltage of a reference resistance to a transistor, a partial pressure resistance and a current mirror circuit. CONSTITUTION: A current detecting resistance is integrated with a power transistor(TR) and serially connected to a through line between an input terminal(P1) and an output terminal(P2). Terminal voltage of a current detecting resistance is fed to an over current protection circuit(14) from input terminals(P13,P14) of a control IC(12). In the over current protection circuit, the terminal voltage is compared with reference voltage(Vref2) obtained from a reference voltage source(19) in an error amplifier(18). Also, the error amplifier prevents a base current by communicating a control transistor(Q10) arranged between the base of the control transistor and a ground terminal(P15) and bypassing a control current if the terminal voltage is higher than the reference voltage.
Patent KR-20000029291-A (KR)
Inventor: KAMIYAMA TAKAO
IPC: B29C65/00
Filed: 1999-10-25
Abstract: PURPOSE: A method for producing a pipe lining material is provided to increase a bonding speed and to make a sealing process simple after bonding. CONSTITUTION: A pipe lining material is produced by impregnating a hardening resin into a pipe shaped resin absorber(1) of which the outer surface is covered with an airtight plastic film(6). The resin absorber is processed in a pipe shape by bending the band shaped resin absorber, horizontally overlapping the both ends of the resin and sewing the overlapping part in a state of remaining a sewing stand. Therefore, the bonding speed is increased compared with the present lock sewing. Also, the sealing process is simple and the sewing stand does'n't obstruct the sealing of the bonding part by the plastic film since the sewing stand part is placed inward the resin absorber.
Patent KR-20010039227-A (KR)
Inventor: YANG JUN YEONG
IPC: H01L21/336
Filed: 1999-10-29
Abstract: PURPOSE: A thin film transistor and a method for manufacturing the same are to place a projected range Rp of an impurity to be implanted at a place deeper than the surface of a target substrate, thereby decreasing leakage current. CONSTITUTION: A transparent insulating substrate(400) on which a buffer layer(40) is formed is provided. A semiconductor layer(41) is formed at a selected portion on the buffer layer. The semiconductor layer includes a source region(41S), a drain region(41D) and a channel region(41C) between the source region and the drain region. Impurities doped in the source and drain region have a concentration profile in which a projected range Rp is positioned at a place which is deeper than the surface of the semiconductor layer by the first depth such that a maximum concentration is not positioned at the surface of the semiconductor layer.
Patent KR-20000000501-A (KR)
Inventor: PAK TAE JU
IPC: C02F1/00
Filed: 1999-10-25
Abstract: PURPOSE: A process and apparatus for measuring Fenton oxidation automatically for preprocessing chemical wastewater are provided to pour an adequate amount of reagent automatically without an unnecessary consumption of reagent. CONSTITUTION: The apparatus comprises a measuring instrument of oxidation-reduction potential(102, 104) for measuring the potential difference of oxidation reaction between a reagent and organic matter in a reactor(100) and a controlling part(106) for determining a pouring amount of each pouring pump(108,110) by calculating COD periodically according to the measured value. In the automatic controlling process of chemical wastewater for preprocessing pigment wastewater before an activation sludge process, the process comprises a measuring process of the potential difference of oxidation reaction between a reagent and organic matter in a reactor, a determining process of the pouring amount of each pouring pump(108, 110) by calculating COD periodically according to the measured value, and a pouring process of the reagent to the reactor according to the pouring amount.
Patent KR-20010045987-A (KR)
Inventor: JUNG WON CHEOL
IPC: C25D3/22
Filed: 1999-11-09
Abstract: PURPOSE: A method is provided to manufacture a galvanized steel sheet by generating zinc vapor on a continuous steel sheet supplying line, applying electrostatic force to the generated zinc vapor, thereby depositing the zinc vapor on the steel sheet. CONSTITUTION: In an apparatus for plating zinc on the surface of a target steel sheet, the galvanizing line comprises a chamber (10) through which a strip (S) of the target steel sheet passes; a zinc pot (14) installed inside the chamber for storing liquid zinc; a charged electrode (16) installed on the zinc pot for charging zinc vapor vaporized from the liquid zinc; and an electrical charged electrode (18) having the same polarity as that of the charged electrode, wherein the electrical charged electrode is installed so that it is oppositely directed to the strip (S) passing through the chamber. In a method for galvanizing the surface of a target steel sheet passing through a plating chamber, the galvanizing method comprises the steps of maintaining the plating chamber (10) in the vacuum state and vaporizing zinc by equilibrium vapor pressure of liquid zinc; electric charging the zinc vapor (14); and adhering the charged zinc vapor to the surface of the target steel sheet by electrostatic force.
Patent KR-20010046536-A (KR)
Inventor: LEE GANG YUN
IPC: H01L21/8242
Filed: 1999-11-12
Abstract: PURPOSE: A method for manufacturing a bit line contact in a DRAM semiconductor device is provided to simplify a manufacturing process, by simultaneously forming a bit line in cell and peripheral regions and a contact. CONSTITUTION: A gate pattern(15) covered with a mask insulating layer(17) and a spacer insulating layer(13) is formed on a substrate(10) where fields are isolated. A selective epitaxial glass(SEG) layer(19) is formed in an active region. The SEG layer formed in the active region of a cell region is preserved, and metal silicide is formed on the SEG layer formed in the active region of a peripheral region. An interlayer dielectric(20) is stacked, and patterned to form a contact hole. A polysilicon layer doped with high density n-type impurities is stacked by a chemical vapor deposition(CVD) method, and is made to remain on the bottom surface of the contact hole by a predetermined thickness. At least a part of the polysilicon layer is formed with metal silicide. A metal bit line is formed while a metal contact is formed.
Patent KR-20010047915-A (KR)
Inventor: NOH YONG HO
IPC: G11B15/02
Filed: 1999-11-24
Abstract: PURPOSE: An apparatus and method for controlling an audio sound of a vehicle is provided to listen to a good audio sound and to secure safe driving by sensing a driving speed of a blower motor and increasing a lower sound band of an audio driving part. CONSTITUTION: An audio driving part(11) listens to a broadcasting or an audio during vehicle driving. An air conditioner driving part(12) make an air condition an indoor air of the vehicle. A fan motor speed sensing part(13) senses a driving speed of the fan motor by driving of the air conditioner driving part(12) during driving of the audio driving part(11). A control device(14) judges and controls whether the driving speed of the fan motor sensed from the fan motor speed sensing part(13) is over a designated driving speed which is set up at one's pleasure, and then increases an audio sound if the driving speed of the fan motor is over a designated driving speed.
Patent KR-20000007104-A (KR)
Inventor: KIM SANG CHUL
IPC: C08L53/02
Filed: 1999-11-26
Abstract: PURPOSE: An innocuous rubber comprising a mixture of butadiene rubber and styrenebutadiene rubber, plasticizer, and vulcanizing agent is provided which is useful as a molding material of packing for foodstuff and a water pipe. CONSTITUTION: The rubber comprises a mixture of butadiene rubber and styrenebutadiene rubber as a main material, 8-9 weight% of filler of clay and calcium carbonate, 28-29 weight% of plasticizer of stearic acid, zeosil, bonding agent, stabilizing agent, antiaging agent, processing wax, processing oil, and liquid softening agent, and 4-5 weight% of vulcanizing agent of thiuram sulfur, dibenzothiazyldisulfide, dicumyl peroxide, and diphenyl guanidine sulfur. For an example, 58.14 weight% of butadiene rubber and styrenebutadiene rubber are mixed in a mixer for 12 min, mixed with 8.72 weight% of filler for 12 min, mixed with 28.28 weight% of plasticizer for 15 min, and mixed with 4.36 weight% of vulcanizing agent for 15 min. The test with 15 mm thickness of raw material shows that vulcanizing time takes 95 sec in press with the upper and lower plate of 185°C and 175°C respectively, and 80 sec at 190°C and 180°C.
Patent KR-20010049027-A (KR)
Inventor: NOH BYEONG CHEOL
IPC: H03F1/38
Filed: 1999-11-30
Abstract: PURPOSE: An adaptive control system of a feed-forward linear device is provided which adjusts a variable attenuator by with power detection comparison and controls a phase changer by phase detection comparison. CONSTITUTION: A feed-forward linear device includes a main amplifier(120) for amplifying the power of a signal received from the first coupler, a signal amplifier(130) for amplifying a low-power signal distributed by the first coupler without giving distortion to the signal, the first phase changer(140) for changing the phase of the signal output from the signal amplifier, and the first variable attenuator(150) for changing the magnitude of the power of the signal whose phase is changed by the first phase changer. An adaptive control system of the feed-forward linear device has a 3dB coupler and power detector(220) for detecting the power magnitude and phase information of the signals from the main amplifier and the signal amplifier to combine the detected signals with each other, and detecting the power magnitude and phase information of the signals from the main amplifier and the signal amplifier to combine the detected signals with each other again. The adaptive control system further has a power comparison adaptive controller(160) for receiving a plurality of detection signals from the 3dB coupler and power detector to control the degree of the phase change of the phase changer and the degree of the power variation of the variable attenuator, to eliminate error components in the combined signal output from the 3dB coupler and power detector.
Patent KR-20010053671-A (KR)
Title: Table united with computer
Inventor: LEE ME RAN
IPC: A47B21/00
Filed: 1999-12-01
Abstract: PURPOSE: A table united with a computer is provided to facilitate user's operation by utilizing the upper space of a table widely, to tidy up external appearance by interposing various cable wires, and to handle a computer and external instruments conveniently. CONSTITUTION: A table united with a computer comprises a hollow flat board(10), a slot(11) formed on the front of the hollow flat board, an external instrument(31) joined to the slot, a power button or a reset button(32) of a computer, an external instrument connecting cable(41), wiring holes(13,14) formed on the upper and lower sides of the hollow flat board, a computer monitor(60), a monitor cable(42) inserted into the wiring holes, a table leg unit(2), a loading case(20) installed correspondingly to the wiring holes on the rear of the leg unit, an opening/shutting plate(21) pieced to the front of the loading case, and a computer circuit board(50) fitted to the operating plate.
Patent KR-20010053796-A (KR)
Inventor: KIM YEONG GYUN
IPC: C02F3/10
Filed: 1999-12-01
Abstract: PURPOSE: Provided is a manufacturing method of bio-film contact media which are high in strength, have enough porosity, can be produced with cheap raw material economically and can solve problems of abrasion in an aeration tank. CONSTITUTION: The method is as follows: (i) add water to an inorganic ceramic raw material and inorganic binder of a mixture of clay and talc and mix them, the mixing ratio of talc and clay being 1:0.5-2.0 and 20-40wt.pts of aluminum oxide having a particle size of 50-100μm being optionally added to the 100wt.pts of raw material; (ii) apply a physical exterior force to the powdered raw material by water to endow plasticity; (iii) mold the mixture in the form of honey comb, dry and calcine; and (iv) form porous ceramic having fine uneven constitution on the surface.
Patent KR-20010054461-A (KR)
Inventor: KIM YONG HUN
IPC: H04M11/00
Filed: 1999-12-06
Abstract: PURPOSE: A method for selling electronic merchandise coupons is provided to safely and conveniently purchase electronic merchandise coupons, without the necessity of using cash or credit cards. CONSTITUTION: A user makes a request for call connection to an electronic merchandise coupon issue server(1). If call connection with the electronic merchandise coupon issue server is made, a CPU in the electronic merchandise coupon issue server reads out a service selection information message from a voice storage disk and outputs it to the user's telephone(2). In case that the user selects an electronic merchandise coupon purchase service using a dial button on the telephone(3), the CPU reads an information message to request the user to input necessary data from the voice storage disk and outputs it to the user's telephone(4). The user inputs the necessary data, including a password, purchase money, his telephone number, etc., according to the voice information message sequentially(5). The CPU confirms the inputted data and transmits the input confirmed data to a service provider management server(6). The management server determines whether the user can purchase electronic merchandise coupons(7), reports it to the electronic merchandise coupon issue server, and stores purchase details according to a decision result(8,9). In case that the user is the person who can purchase electronic merchandise coupons, the CPU in the electronic merchandise coupon issue server issues an electronic merchandise coupon equivalent to the amount of requested purchase money and outputs the issued coupon's intrinsic number to the user's telephone in the form of a voice message(10).
Patent KR-20000012559-A (KR)
Inventor: JUN GIL SUN
IPC: C01B3/02
Filed: 1999-12-11
Abstract: PURPOSE: A nitrogen generating apparatus and method is to supply hydrogen to an internal-combustion engine by spraying water onto sodium. CONSTITUTION: The nitrogen generating apparatus and method comprising:spraying water onto solid sodium and transporting hydrogen gas of ambient temperature and low pressure to an internal-combustion engine, thereby producing hydrogen in a desired amount without a need of using many separate storage tanks. The apparatus and method uses sodium as a fuel, generates vapor as an exhaust gas, and preventing pollution thereby. The apparatus and method also reduces wear of the engine and elongates the replacement period of engine oil.
Patent KR-20010056283-A (KR)
Inventor: JUNG GWANG RYEOL
IPC: H04W36/38
Filed: 1999-12-14
Abstract: PURPOSE: A method for a hard handoff to a synchronous CDMA system from an asynchronous CDMA system is provided to execute a handoff at an appointed time after receiving all necessary information to set up a traffic channel with a synchronous CDMA(second generation IS95) base station in the state that the connection with an asynchronous CDMA(third generation 3GPP DS) base station has not released. CONSTITUTION: Based on a received signal strength indicator and base station discriminating information reported from a mobile terminal, a third generation 3GPP DS base station judges that a handoff to a second generation IS95 base station is required. If the 3rd generation 3GPP DA base station informs a mobile switching center that the handoff to the 2nd generation IS95 base station is required(Handoff Required), the mobile switching center sends a handoff request message to inform the 2nd generation IS95 base station that the handoff is required(Handoff Request). The 2nd generation IS95 base station transfers information, necessary for the mobile terminal to execute the hard handoff to the 2nd generation IS95 base station, to the generation 3GPP DA base station(Handoff Request ACK, Handoff Command). The generation 3GPP DA base station transfers information delivered from the 2nd generation IS95 base station to the mobile terminal through a preset signaling channel(Inter-System Handoff Command). If the mobile station receives the inter-system handoff command message normally and informs the 3rd generation 3GPP DA base station of the fact(L2:Data Ack), the 3rd generation 3GPP DA base station sends a handoff execution message to the mobile switching center(Handoff Commenced).
Patent KR-20010056998-A (KR)
Inventor: HA HYEON U
IPC: H04J3/16
Filed: 1999-12-17
Abstract: PURPOSE: A fractional E1link device between a base station and a control station is provided to solve the problems of trunk generation by dividing E1/T1 between a base station and a control station by time slots. CONSTITUTION: A clock converter(10) receives a frame synchronization clock and system clock, and converts a system clock into a clock corresponding to the number of subscriber. A processor(20) is synchronized with the clock output from the clock converter and interfaces the transceiving data of a base station. A framer/transceiver(30) synchronized with the frame synchronization clock and system clock frames the data output from the processor only to a certain time slot to order to be suitable for a fractional E1 link, and transfers the data output from the fractional E1 link to the processor. A multiplexer/demultiplexer(40) multiplexes the data output from the framer/transceiver and other base stations, and transmits it to the E1/T1 link, demultiplexes the output data to then transfer them to the framer/transceiver in each base station.
Patent KR-20010057745-A (KR)
Inventor: KIM GEUN YEONG
IPC: B21B37/00
Filed: 1999-12-23
Abstract: PURPOSE: A method for estimating the performance of line drive control of a cold rolling equipment line is provided to estimate the live drive control performance via the computation simulation when designing a line drive control logic and precisely constitute the control logic, thereby reducing the trials and errors in the line drive controller designing and improving the precision of the line drive control. CONSTITUTION: In a method for estimating the performance of line drive control of a cold rolling equipment line, line velocity is controlled by the feedback of velocity signal outputs from a velocity sensor mounted to a roll driving motor to a velocity controller in a line drive control logic, and the tension of the strip is controlled by the feedback of tension signal outputs from a tension detection sensor mounted at a lower part of a bearing block of a roll to a tension controller.