baber/WOPTO huggingface dataset:
Patent KR-20020017490-A (KR)
Title: Synthesis of Spherical Fine Silver Powders at Room Temperature
Inventor: JUNG HEON SAENG
IPC: B22F9/16
Filed: 2000-08-30
Abstract: PURPOSE: A method for manufacturing spherical fine silver powder at ordinary temperature is provided which reduces energy consumption by avoiding high temperature process and manufactures completely spherical silver powder having uniformed particle distribution and a particle size of 1 to 2 microns using hydroquinone as an organic reducing agent. CONSTITUTION: The method for manufacturing spherical fine silver powder at ordinary temperature comprises the processes of completely dissolving 50 to 500 g of silver nitrate having a concentration of 50 to 500 g/L which is used as a material of silver powder into distilled water at an ordinary temperature; adjusting a pH of the solution to 11 by adding ammonia water to the solution; completely dissolving hydroquinone with distilled water at an ordinary temperature after putting 16.5 to 165 g of hydroquinone used as a reducing agent into other container; mixing the two prepared solutions in a Teflon reactor, wherein the reaction is carried out at an ordinary temperature for a reaction time of 10 to 180 minutes; solid/liquid separating the reacted material when the reaction is terminated; and manufacturing silver powder by drying the washed material at 50 deg.C for 24 hours or more after washing the resulting material several time using distilled water.
Patent KR-20020017498-A (KR)
Inventor: KIM DONG WON
IPC: H03M1/66
Filed: 2000-08-30
Abstract: PURPOSE: A current cell type digital-analog converter is provided to vary a range of an output voltage by controlling a load resistance of a current-voltage converter according to a logical value of an external control signal. CONSTITUTION: A current cell type digital-analog converter has a current-voltage converter(322) for generating a P channel current signal(IP) and an N channel current signal(IN) and converting the P channel current signal(IP) and the N channel current signal(IN) to a P channel analog voltage and an N channel analog voltage. The current-voltage converter(322) is formed with a decoder(318) and an analog voltage generation portion(320). The decoder decodes a control signal of 2 bits and generates a switching signal of 4 bits. The analog voltage generation portion(320) has the first load resistance(302a-302d) and the second load resistance(304a-304d). A common voltage node(306) is formed by the first load resistance(302a-302d), the second load resistance(304a-304d), the first transmission gate(308a-308d), and the second transmission gate(310a-310d).
Patent KR-20010030282-A (KR)
Title: Semiconductor manufacturing system having a vaporizer which efficiently vaporizes a liquid material
Inventor: KOJIMA YASUHIKO
IPC: F16K31/06
Filed: 2000-09-06
Abstract: PURPOSE: A vaporizer and a semiconductor manufacturing system using the same are provided to vaporize liquid raw material efficiently. CONSTITUTION: In the vaporizer(26) vaporizing liquid raw material supplied under pressure in a reduce pressure atmosphere, a liquid storage chamber(82) temporarily storing the raw material(30) sent under pressure communicates with a pressure reduced atmospheric vaporizing chamber(64) through pores(66) to distribute the raw material to the vaporizing chamber. The liquid inlet of the storage chamber side of the pores(66) is opened or closed with a valve disc(70). The valve opening of the disc(70) is controlled by an actuator means(72).
Patent KR-20020021570-A (KR)
Inventor: PARK KYU GAB
IPC: A23L17/60
Filed: 2000-09-15
Abstract: PURPOSE: Seasoned laver obtained by coating a specified amount of sesame oil, corn germ oil and red pepper seed oil on the surface of laver and then roasting is provided which has an extended preservation period, fresh flavor and good taste. CONSTITUTION: A mixture of sesame oil, corn germ oil and red pepper seed oil in a specified ratio is coated on laver instead of sesame oil, soybean oil, corn germ oil and perilla oil and then roasted at a specified temperature.
Patent KR-20020024632-A (KR)
Title: Broad-band Design and Fine Adjustment Method of Tap-Offs
Inventor: KIM DONG IL
IPC: H04N7/10
Filed: 2000-09-26
Abstract: PURPOSE: A method for wide band design and fine tuning of a signal turnout is provided to easily perform fine tuning to the signal turnout for a cable TV(CATV) system, a direct broadcasting satellite(DBS) system and a communication satellite(CS) system using only an even and odd mode reflection coefficient measured on the basis of an even and odd mode analysis method. CONSTITUTION: A method for wide band design and fine tuning of a signal turnout includes the steps of easily performing fine tuning to a signal turnout for a cable TV(CATV) system, a direct broadcasting satellite(DBS) system and a communication satellite(CS) system using only an even and odd mode reflection coefficient measured on the basis of an even and odd mode analysis method.
Patent KR-20020030470-A (KR)
Title: wind power plant system
Inventor: KIM CHUNG BOO
IPC: F03D9/00
Filed: 2000-10-18
Abstract: PURPOSE: A wind pressure generator is provided to save energy by converting electric energy into air with a compressor at night and storing compressed air in a storage tank, and by generating electricity with driving the wind pressure generator. CONSTITUTION: An air storage tank is laid under the wasteland, and an intake valve and an exhaust valve are opened and closed automatically according to pneumatic pressure. Electric energy is converted into air with driving a compressor at night, and compressed air is contained in the storage tank. Electricity is generated with using air, and compressed air is supplied partially to an air system through pipes in case of need. The land is improved with cultivating the soil over the air storage tank, and the productivity is increased. Energy efficiency ratio is increased with storing air in the tank by the compressor at night, and generating electricity by driving the generator with using air.
Patent KR-20020033977-A (KR)
Title: Protective strip equipped with a variable unit
Inventor: JU YEONG GIL
IPC: E01F15/04
Filed: 2000-10-31
Abstract: PURPOSE: A safety fence provided with a variable part is provided to remove impact energy by transforming at a car crash. CONSTITUTION: The safety fence(10) provided with a variable part comprises: guide rails(13,14) containing two or more rows of projected lines(15,16) toward a roadway and a groove(17) between the projected lines(15,16); and a variable part containing an air tube(21) placed in the groove(17) between the projected lines(15,16) of the guide rails(13,14) and a skin(22) installed to the outside of the air tube(21) to project the air tube(21) and made with waste tires of vehicles.
Patent KR-20020034239-A (KR)
Title: Printer and method for controlling work thereof
Inventor: KIM HYEOK
IPC: B41J29/38
Filed: 2000-10-31
Abstract: PURPOSE: A printer and method for controlling operation of the same is provided to prevent waste of paper by being capable of printing not only the whole of a file but also a part of the file. CONSTITUTION: A printer includes an interface part(10); a video processing part(20); a storage part; a key input part(40); a display part(50); a printing part(60); and a control part(70). The control part stores a work file provided by a computer in the storage part and forms a work information table including a work name, a user's name, total number of pages and address information for each of the pages to store in the storage part. The control part responds to selection of number of copies to be printed and range of pages to be printed of the work file made by the key input part and refers to the work information table to open the selected work file in the storage part and to output to the video processing part and the printing part according to work order set up. The control part output work processing status to the display part.
Patent KR-20010008042-A (KR)
Inventor: KANG GYEONG HUI
IPC: H04L9/32
Filed: 2000-11-04
Abstract: PURPOSE: A system for providing certification confirmation service using duplex electronic signature is provided to effectively perform a PKI(Public Key Infrastructure)-base user certification service in a radio terminal having a limited capacity by executing as proxy a certification confirmation work in a certification confirmation vicarious execution system. CONSTITUTION: A transmitting radio terminal(1) performs a message transmitting function and a security function needed to generate a message code and transmitter certification generation. An application service system(9) inputs a message from the transmitting radio terminal(1), requests a validity test of the transmitting certificate and a transmitter certification test and outputs a certification confirmation result message to a receiving radio terminal(2). A certification confirmation vicarious execution system(8) performs the validity test with respect to the transmitter certificate and a transmitter signature value extracted from a transmission message according to the request the application service system(9) and outputs a validity authentication message and a signature of itself to the application service system(9). A receiving radio terminal performs a message receiving function. A certificate issue system(6) issues an electronic certificate to the radio terminal user. A certificate directory system(7) notifies the electronic certificate issued from the certificate issue system(6) so that a subscriber can read an electronic certificate through a wire and radio network.
Patent KR-20020036197-A (KR)
Title: Method for the employment and recommendation through on-line
Inventor: LEE GWANG SEOK
IPC: G06Q99/00
Filed: 2000-11-08
Abstract: PURPOSE: An on-line recommendation employment method is provided to enable a user connecting to a web site to apply for a job and recommend other people by automatically dividing and displaying an employment notification of a company to the web site of a cooperation company and community. CONSTITUTION: The method comprises the company registering the employment notification to a service company, the service company automatically dividing and displaying the employment notification to the web site of the cooperation company and community, the people connecting to the cooperation company and community applying for a job and recommending other people after seeing the employment notification, the recommended people inputting the application for the employment by registering to the service company as a member, the service company informing the company notifying the employment of the job application, and the company notifying the employment informing the service company and the applicant or recommended people of a result for the final employment.
Patent KR-20020041153-A (KR)
Title: Automatic switching circuit for telephone line
Inventor: HONG SEUNG SEOK
IPC: H04M1/654
Filed: 2000-11-27
Abstract: PURPOSE: A circuit for automatically transferring telephone lines is provided to connect a pair of telephone lines to terminals in parallel and to grant priority to either of them so that the priority terminal can freely seize and use lines even though the other terminal is using a line. CONSTITUTION: A circuit for automatically transferring telephone lines consists of photo couplers(PC1,PC2), a switch(SW1), transistors(Q1,Q2), and relays(RY1,RY2). Each photo coupler(PC1,PC2), connected to each of the telephone lines(LINE1,LINE2) connected with a telephone line(LINE) in parallel, is turned on when a terminal connected to its own telephone line is used. The switch(SW1) connects the collector of the photo transistor of either of the photo couplers(PC1,PC2) to the base of either of the transistors(Q1,Q2) according to a user's request. Each transistor(Q1,Q2) is turned on by the collector voltage of the photo transistor of each photo coupler(PC1,PC2). Each relay(RY1,RY2) controls each telephone line(LINE1,LINE2) according to the driving of each transistor(Q1,Q2) in order to control the use of each terminal.
Patent KR-20020042996-A (KR)
Inventor: KIM DONG GYU
IPC: G02F1/133
Filed: 2000-12-01
Abstract: PURPOSE: A liquid crystal display is provided to produce a liquid crystal display having a screen with uniform brightness. CONSTITUTION: A liquid crystal display includes a substrate(100), a data driver, a gate driver, the first and second gate control signal units, and a signal line. A plurality of gate lines(13) and data lines(12,14) are formed on the substrate, intersecting each other to define a plurality of pixel regions. A device including a thin film transistor and a pixel electrode is formed at each pixel region. The data driver has N data driving circuits(211,221) that apply a data signal to the data lines. The gate driver has M gate driving circuits(311,321,331) that apply a gate signal to the gate lines. The first gate control signal unit applies the first gate control signal to the M gate driving circuits. The second gate control signal unit applies the second gate control signal to the gate driving circuits simultaneously with the first gate control signal. The signal line receives the first and second gate control signals to transmit the signals to the M gate driving circuits.
Patent KR-20020043299-A (KR)
Title: Exhausted air feed back vacuum cleaner
Inventor: LEE SEONG BIN
IPC: A47L9/00
Filed: 2000-12-01
Abstract: PURPOSE: An exhaust air-circulating vacuum cleaner is provided to absorb and remove a foreign material of a lateral area by increasing a suction force of the lateral area. CONSTITUTION: An exhaust air circulating vacuum cleaner comprises a suction head(21), an exhaust air circulating pipe(36), an ejector nozzle portion(41), and an ejector chamber(43) in order to increase a suction force of a lateral area. The first and the second suction ports are formed at a bottom area of the suction head. The exhaust air-circulating pipe circulates a part of fluid discharged from a suction fan. The ejector nozzle portion is formed at an end portion of the exhaust air-circulating pipe. The ejector chamber is formed at a circumference portion of the ejector nozzle. The ejector chamber is connected to one end of the first suction nozzle, and an absorbing side of the ejector chamber is connected at the second suction nozzle.
Patent KR-20010062200-A (KR)
Inventor: TAKE KUNIHIKO
IPC: G01N21/95
Filed: 2000-12-07
Abstract: PURPOSE: To more accurately detect defects in a semiconductor. CONSTITUTION: The system 1 for inspecting a semiconductor wafer comprises a defect classifier for automatically classifying semiconductor wafer defects, based on defect inspection parameters and a knowledge base, and a classification support unit for supporting the defect classifier. The defect detection parameters determine what degree the difference between the surface image of a normal semiconductor wafer and the surface image of a semiconductor wafer having defects is allowed. The knowledge base provides data showing types which cause semiconductor wafers and features of each type. The classification support unit forms separated defect parts data for setting or changing the defect detection parameters and forming the knowledge base.
Patent KR-20020045705-A (KR)
Inventor: SEO GI WAN
IPC: G06F17/00
Filed: 2000-12-09
Abstract: PURPOSE: A fortune eye is provided to conveniently offer the moving picture contents to a user. CONSTITUTION: The composition is for making a user integrally look at moving picture contents on the Internet regardless of the Windows Media format or the Real Media format. The functions of a design page of an actual program include a contents selecting part(1) selecting the contents to be displayed on a moving image picture window, a moving picture display part(2), a news or stock price display part(3) displaying the news or stock price in real time, a broadcasting company link part(4) capable of connecting to other broadcasting station, and a banner advertising part(5) of respective cooperating companies.
Patent KR-20020046042-A (KR)
Title: Manufacturing method of fine pattern for a semiconductor device
Inventor: KIM SANG JIN
IPC: H01L21/027
Filed: 2000-12-12
Abstract: PURPOSE: A method for fabricating a fine pattern of a semiconductor device is provided to prevent a photoresist layer pattern having a large volume or thick thickness from being separated from a lower layer, by forming an organic thin film on the lower layer before forming the photoresist layer pattern or by drying moisture of the lower layer to increase bonding force between the photoresist layer pattern and the lower layer. CONSTITUTION: The surface of the lower layer formed on a semiconductor substrate(10) is processed to form the organic thin film(14) by using an organic solvent. The photoresist layer pattern(12) is formed on the organic thin film. The surface of the semiconductor substrate instead of the organic thin film is dried to exhaust the moisture included in the lower layer.
Patent KR-20020051270-A (KR)
Title: High strength packaging steel for 2-piece can
Inventor: JUNG GI JO
IPC: C21D8/02
Filed: 2000-12-22
Abstract: PURPOSE: A method for manufacturing a high strength steel plate for a two-pieces type can is provided to ensure process ability enough for the process of a steel plate, and to improve a compressive strength and an internal pressure strength of the can. CONSTITUTION: The method for manufacturing a high strength steel plate for a two-pieces type can comprises the steps of: reheating and hot rolling a steel consisting of more than 0.09 percent by weight of carbon, more than 0.010 percent by weight of nitrogen, iron element, and other inevitable impurities; winding the steel plate at a temperature of less than 500deg.C; and continuously annealing the steel plate at a temperature of 650deg.C.
Patent KR-20020051569-A (KR)
Title: Jini home network service management system and conrtol method threrof
Inventor: LEE DONG SIK
IPC: H04L12/24
Filed: 2000-12-22
Abstract: PURPOSE: A JINI home network service management system and a method for controlling the same are provided to link a JINI module with a servlet that provides web services so that service providers can manage service registration, deletion and modification in home networking through the web. CONSTITUTION: A JINI home network service management system consists of a lookup server(20), a service provider(40), a user module(60), a service provider module(70), and a manager part(80). The lookup server(20) enables a user to use lookup service in order to catch a service location. The service provider(40) accesses the lookup server(20) and registers his/her location and service list. The user module(60) accesses the lookup server(20), obtains the location and service of a desired service provider(40), makes the service of the service provider(40) executed, and displays a result to the user. The service provider module(70) executes a required management operation for service data registered in the lookup server(20) according to a service management request and transmits the management contents to the service provider(40). The manager part(80) transmits a service management request to the service provider module(70), and integrates and controls the management of service registration, deletion, and modification for the service data of a relevant service provider(40).
Patent KR-20020052914-A (KR)
Title: Bumper device for vehicle
Inventor: LEE SEUNG HUN
IPC: B60R19/04
Filed: 2000-12-26
Abstract: PURPOSE: A bumper apparatus is provided to absorb collision energy between vehicles and to absorb collision energy applied to a leg part of a pedestrian by combining a lower part of vehicle body of a vehicle to which an existing plastic member is applied with a lower bumper member. CONSTITUTION: A metallic bumper beam(2) is fixed to a side member(1) as a part of vehicle body via a bumper stay(3). The bumper cover(4) is manufactured from engineering plastic material. The opposite ends of bumper cover(3) are combined with the vehicle body with clips or the like. An energy absorber(5) is formed from foam plastic. The energy absorber(5) is disposed between the bumper beam(2) and the bumper cover(4). A steel plate is formed into a box-shaped fastening member(11). The fastening member(11) is fastened or jointed to the side member(1) with bolts or by welding. A lower bumper member(12) includes a circular section of supporting member(13), and a spring supporting plate(14). The supporting member(13) together with the spring supporting plate(14) is horizontally combined with the fixing member(11). A coil spring(15) is accommodated within the supporting member(13). A shock absorbing member(16) is slidingly installed within the supporting member(13). A tip of the shock absorbing member(16) is in contact with and covered with the bumper cover(4).
Patent KR-20020054256-A (KR)
Title: Modified Microwave Pi-type variable attenuator using Active element
Inventor: HONG HEON JIN
IPC: H01P1/22
Filed: 2000-12-27
Abstract: PURPOSE: A transformed pi-TYPE extremely high frequency variable attenuator using an active element is provided to generate a low cross modulation signal when an extremely high frequency signal is inputted to a variable attenuator. CONSTITUTION: An input line(42) is connected to a ground through a first resistor(R41). An extremely high frequency transmission line(43) is connected to a second resistor(R42) through the input line(42). An extremely high frequency transmission line(44) is connected to an extremely high frequency transmission line(43) through a first capacitor(C41). An output line(45) is connected to the extremely high frequency transmission line(44) through a second capacitor(C42). An extremely high frequency transmission line(46) is connected to the output line(45) through an active element. The active element connects the extremely high frequency transmission line(46) to the extremely high frequency transmission line(44). An external supply voltage terminal(47) operates the active element.
Patent KR-20020054677-A (KR)
Inventor: HWANG CHANG YEON
IPC: H01L21/3105
Filed: 2000-12-28
Abstract: PURPOSE: A fabrication method of semiconductor devices is provided to prevent an etching of a BPSG(Boron Phosphor Silicate Glass) of a cell region by increasing a density of an HDP(High Density Plasma) oxide. CONSTITUTION: After forming an HDP oxide(43) on a BPSG(39) of a semiconductor substrate(31) having an isolation layer(33), a number of word lines(35), and a plug layer(41), the density of the HDP oxide(43) is increased by performing a thermal treatment on the entire surface of the resultant structure using an RTP(Rapid Thermal Process), a tube method, an RT-CVD(Rapid Thermal-Chemical Vapor Deposition), or an UHV-CVD(Ultra High Vacuum-Chemical Vapor Deposition) at H2, N2, O2, H2O, or a vacuum atmosphere. Then, the HDP oxide(43) and the BPSG(39) of a peripheral region are removed by selectively etching using the third photoresist pattern(45) as a mask. At this time, the adhesive force between the third photoresist pattern(45) and the HDP oxide(43) is increased, thereby preventing a penetration of an etchant into the BPSG layer(39) of the cell region.
Patent KR-20020055162-A (KR)
Title: Low damage etching method using DC bias control
Inventor: LEE HEON CHEOL
IPC: H01L21/3065
Filed: 2000-12-28
Abstract: PURPOSE: A less damaged etch method using a direct current(DC) bias control is provided to prevent a finished product from being disused, by determining an influence of an electrical plasma etch process upon the yield of the product through a simple and short process using an antenna structure. CONSTITUTION: The antenna structure is used to find plasma damage. The DC bias of radio frequency(RF) sputter is controlled to perform an etch process so that the plasma damage is minimized. A source power and a bias power in an RF sputter etch process are adjusted to control the DC bias.