baber/WOPTO huggingface dataset:
Patent KR-20010050786-A (KR)
Inventor: AKAGI KYO
IPC: G11B5/596
Filed: 2000-09-30
Abstract: PURPOSE: To provide a improved method and device than a conventional system to a main cause of obstructing increase in track density. CONSTITUTION: A servo pattern is constituted of plural patterns arranged on both sides of a track central line while shifting in the track direction, and respective patterns A, B are constituted so that respectively two kinds of phase state patterns 11, 12, 13, 14 are arranged in the track width direction. A sine wave function nearly coinciding with a servo pattern regenerative signal waveform is obtained based on frequency information of a beforehand held regenerative signal, and a magnetic head signal is demodulated.
Patent KR-20020028306-A (KR)
Title: device for draining condensed water in condensing-type gas furnace
Inventor: HAN IN HUI
IPC: F24H9/16
Filed: 2000-10-09
Abstract: PURPOSE: A condensate water discharge apparatus of a condensing gas heater is provided to discharge smoothly a condensate water as well as to protect an inside parts of an instrument from an external air. CONSTITUTION: A condensate water discharge apparatus of a condensing gas heater comprises a barrel for collecting the condensate water(20) provided at one side of a lower portion of a case and a float(30) provided into the barrel(20). The barrel for collecting the condensate water is formed in a rectangular box shape. Two passage holes(21,22) are formed at an upper surface thereof, and one passage hole(23) is formed at the side. One passage hole out of two passage holes(21,22) is a collect box side inlet(21) and is connected to a drain pipe for introducing the condensate water generated from a condensing heat exchanger. The other passage hole out of two passage holes(21,22) is an induction fan side inlet(22) and is connected to the drain pipe for introducing the condensate water generated when a combustion gas is discharged to an outside. The passage hole(23) of the side is drainage(23) for discharging finally the condensate water collected through the collect box side inlet(21) and the induction fan side inlet(22) at the outside.
Patent KR-20020030212-A (KR)
Title: Vehicle occupant safety device during emergency braking
Inventor: KIM YEONG IL
IPC: B60R22/18
Filed: 2000-10-16
Abstract: PURPOSE: An occupant protecting apparatus is provided to prevent an occupant from being damaged when sudden braking occurs by installing a hydraulic double acting cylinder at a lower end of a buckle of a seat belt. CONSTITUTION: A seat belt comprises a webbing(1), a retractor(2), a mini anchor(3), a tongue plate(4) and a buckle(5). A hydraulic double acting cylinder(6) is installed at a lower end of the buckle(5). A lower end of the double acting cylinder(6) is fixed to one side of a seat. Solenoid valves(7,8) are positioned on hydraulic pipes(63,64) connected to upper and lower portions of the double acting cylinder(6). The solenoid valves(7,8) are controlled by receiving a control signal from a control section(10). The control section(10) detects the operation of a brake by receiving the output signal of a brake sensor(9) and generates the control signal so as to selectively operate the solenoid valves(7,8).
Patent KR-20020033468-A (KR)
Title: Collecting method and device of sludge in the bottom of the water, and mother ship and collecting accessaries for this device
Inventor: YAMAMOTO KENJI
IPC: B63B35/00
Filed: 2000-10-30
Abstract: PURPOSE: A method and a device for recovering underwater sludge, a mother ship for the sludge recovering device, and an accessory device for recovering the sludge are provided to perform underwater sludge recovery without polluting the surrounding waters. CONSTITUTION: A suction hose(8) is installed on the bottom of the water on which the sludge is deposited. A discharge hose(9) is installed from a mother ship(6) to the ground sludge recovering site. The suction hose and the discharge hose are connected to at least one suction and discharge tanks(3) placed on the mother ship. The compressed air is continuously supplied to the discharge hose from a compressor(2). A portion of the compressed air is changed to vacuum by the venturi effect. With the vacuum, air is sucked from the suction and discharge tanks. The sludge on the bottom of the water is sucked into the suction and discharge tanks through the suction port of the suction hose. The sludge is continuously discharged through the discharge hose.
Patent KR-20020035369-A (KR)
Title: Method of Constructing Pile With Basement
Inventor: KIM SANG SU
IPC: E02D5/34
Filed: 2000-11-06
Abstract: PURPOSE: A process for constructing a base pile having bottom support is provided to prevent crack or break of a reinforcement for existing ground structure and to efficiently endure load to new structures as well as to reduce working time and cost. CONSTITUTION: The process comprises boring an injection hole for introducing grout liquid; installing a bottom support(2) to form a wide base root with a desirable height by forced-injecting the grout liquid(A) under pressure into the injection hole; boring another hole(20) for fixing the pile on a ground layer over the bottom support(2); inserting a steel pipe(30) into the hole(20); closely mounting a core(40) to vertically stand in the hole(20); and introducing and curing the grout liquid(A) into the hole(20) to produce a base pile(1) integrated at upper portion of the bottom support(2).
Patent KR-20020035917-A (KR)
Title: Liquid crystal alignment on a single substrate
Inventor: YOON SEONG HOE
IPC: C09K19/54
Filed: 2000-11-07
Abstract: PURPOSE: A liquid crystal optical film is provided to control optical characteristics of liquid crystal using hydrophilicity and hydrophobicity of a surface active agent mixed with the liquid crystal. CONSTITUTION: A substrate(130) is prepared, and liquid crystal(133) containing a surface active agent(134) is prepared. An alignment film(131) is coated on the substrate and rubbed. The mixed solution of the liquid crystal and surface active agent is coated on the substrate and hardened. The surface active agent has dimethylsiloxane as its principal ingredient. The liquid crystal is cholesteric liquid crystal or nematic liquid crystal.
Patent KR-20020038273-A (KR)
Title: method for forming gate electrode semiconductor device
Inventor: LEE BYEONG HAK
IPC: H01L29/423
Filed: 2000-11-17
Abstract: PURPOSE: A method for fabricating a gate electrode of a semiconductor device is provided to reduce interface resistance, by depositing a tungsten silicide layer on a polysilicon layer so that an ohmic contact is formed between the polysilicon layer and the tungsten silicide layer. CONSTITUTION: A gate insulation layer is formed on a semiconductor substrate(21). The polysilicon layer and the tungsten silicide layer are sequentially formed on the gate insulation layer. A diffusion barrier layer and a tungsten layer are sequentially formed on the tungsten silicide layer. A heat treatment process is performed regarding the semiconductor substrate to crystallize the diffusion barrier layer. The first insulation layer is formed on the tungsten layer. The first insulation layer, the tungsten layer, the diffusion barrier layer, the tungsten silicide layer, the polysilicon layer and the gate insulation layer are selectively patterned to form a gate electrode(29). A selective oxide process is performed regarding the gate electrode. The second insulation layer sidewall(30) is formed on both side surfaces of the gate electrode and the first insulation layer.
Patent KR-20020040092-A (KR)
Title: apparauts for detecting electrical defect in semiconductor device and electrical defect detection method of semiconductor device using the same
Inventor: KANG HYO CHEON
IPC: G01R31/307
Filed: 2000-11-23
Abstract: PURPOSE: An electrical defect detecting apparatus of a semiconductor device, and method for detecting electrical defect of a semiconductor device using the same are provided to examine an electrical defect by performing an examination without physical destruction. CONSTITUTION: An electrical defect detecting apparatus comprises a sub-chamber(13) loaded with a substrate by a handler part(11), a main chamber(15), a vacuum control unit(16) connected to the main chamber(15) and the sub-chamber(13), a pattern alignment unit(35) roughly performing an alignment according to an image stored in a memory after recognizing a pattern image on the substrate using an optical unit(32), an electron-beam source unit(19) scanning a primary electron-beam so as to detect an electrical defect on the substrate in the main chamber(15), a signal processing unit(21) amplifying an electrical signal of voltage contrast of second electrons generated on the substrate due to the primary electron beam, and an ion generation unit(17) capable of previously doping holes or electrons on the surface of the substrate in the sub-chamber(13).
Patent KR-20020040949-A (KR)
Title: Cctv system and controlling method thereof
Inventor: CHUN DU HWAN
IPC: H04N7/18
Filed: 2000-11-25
Abstract: PURPOSE: A CCTV(Closed Circuit Television) system and a method for controlling the same are provided to perform recording by assigning weight to monitoring areas on a screen from a camera, and to regulate recording times of image signals inputted from each camera according to the weight, so as to efficiently perform monitoring. CONSTITUTION: A plurality of cameras are arranged. A VCR(Video Cartridge Recorder,20) is an image signal accepting part for recording image signals shot by the cameras(5). A monitor(25) displays the image signals. A video processing unit processes the screen shot by the cameras(5) for delivery to the VCR(20). In the image processing unit, a matrix switch(6) serially multiplexes the image signals inputted in parallel from each camera(5) by the unit of frame or field. A decoder(7) converts the analog image signals switched by the unit of frame through the matrix switch(6) into digital image signals. A buffer memory(8) stores the converted video signals. A buffer memory controller(15) controls the read and write of the image signals stored in the buffer memory(8), and the clock and timing of operations. An input unit(13) inputs recording times for each camera(5) set by a user. A control memory(11) stores setting of the user inputted through the input unit(13). And a main controller(10) controls the buffer memory controller(15) or the matrix switch(6), according to the setting of the user stored in the control memory(11).
Patent KR-20020041970-A (KR)
Title: A system and method of performing education and cooperative purchase over the internet in the food service industry
Inventor: LEE KYEONG HWAN
Filed: 2000-11-29
Abstract: PURPOSE: A system and a method for the education and a cooperating purchase of a dining business using the Internet are provided to reduce an expense and a cost by performing the cooperating purchase of the food stuffs and materials through the Internet. CONSTITUTION: The system comprises a user system(100) including a dining shop computer(101) and a general customer computer(102), an operator system(300) including an operator server(301) and a data storage(302), and a tele-school computer(400). The operator server includes a food stuffs/materials seller computer(200), a dining business education program(304) and an EC program(305). The operator server outputs a homepage of the operator's web site to the dining shop computer, the general customer computer and the food stuffs/materials seller computer. The web page basically provides a window accessed by the dining shop and the seller wanting to sell the food stuffs and materials to the dining shop.
Patent KR-20020042367-A (KR)
Title: Door lock assembly of vehicle
Inventor: KIM HYEON TAE
IPC: E05B79/10
Filed: 2000-11-30
Abstract: PURPOSE: A door lock assembly for an automobile is provided to enhance the quality of a device by employing an actuator and a door knob operating means in order to minimize installation space and to enhance the creativity. CONSTITUTION: A driving motor(41) installed in the door lock assembly for an automobile is driven due to the operation of a door lock switch. An actuator(50) encloses the driving motor(41) and is fixedly installed at a reinforcing plate(21). The actuator(50) completes one horizontal reciprocating movement in accordance with a rotational force of the driving motor(41). A door knob operating means(60) for locking or unlocking a door knob(30) is fixedly installed at the reinforcing plate(21). When the actuator(50) completes one horizontal reciprocating movement, the door knob operating means(60) continuously completes a rotational movement and a linear reciprocating movement.
Patent KR-20020043786-A (KR)
Title: Transmission path inspection apparatus
Inventor: LEE DONG MIN
IPC: H04B17/40
Filed: 2000-12-04
Abstract: PURPOSE: An apparatus for checking a transmission path is provided to optimize a transmission output of a base station by comparing an amplitude value of the last transmission output waveform with an amplitude value of a previously inputted output waveform and periodically confirming whether the last transmission output waveform is abnormal. CONSTITUTION: Directional couplers(250,260) samples an output signal and an output signal of a transmission amplifier(230). A gain checking unit(270) extracts an IF(Intermediate Frequency) band from the sampling signals of the directional couplers(250,260) and converts the extracted IF band into a DC value with a dBm unit. A spectrum analyzing unit(280) extracts the IF band from the last transmission output of a transmission filter(240) and digitalizes an amplitude mean value of the IF signal by every uniform band. A control unit(270) compares digital level values of the gain checking unit(270) to judge an operation state of the transmission amplifier(230), and compares an amplitude value to each frequency in the spectrum analyzing unit(280) with a previously inputted amplitude value to judge whether the last transmission output waveform of the transmission filter(240) is abnormal.
Patent KR-20020043907-A (KR)
Inventor: WOO WON SIK
IPC: H01L21/8244
Filed: 2000-12-04
Abstract: PURPOSE: A method for fabricating a static random access memory(SRAM) is provided to reduce a leakage current in a cell and a standby current, by preventing a loss of a semiconductor substrate and a field oxide layer in a butting contact region while using an oxide layer spacer. CONSTITUTION: Polysilicon and a hard mask layer are sequentially formed on a semiconductor substrate(30). The hard mask layer and the polysilicon are selectively etched to define a gate electrode(33a) of a transistor while a predetermined thickness of the polysilicon is left. The hard mask layer included in a subsequent butting contact region is eliminated. The polysilicon is blanket-etched to open the butting contact region.
Patent KR-20020043967-A (KR)
Title: Chemical method for removing paint film on plastic resin using iso-propyl alcohol
Inventor: NA SEONG TAEK
IPC: B29B17/00
Filed: 2000-12-05
Abstract: PURPOSE: A separation method of a thermosetting coating using isopropyl alcohol is provided to facilitate the separation of the coating, and to improve the physical properties of regenerated plastic resin. CONSTITUTION: In the method for separating a thermosetting coating, isopropyl alcohol, phenoxy alcohol, and alkali are heated up to a temperature of 50 to 70deg,C with being agitated in a reactor, and after that, a plastic resin coated with the thermo setting coating is put in the reactor while keeping the temperature as stated above for about 1 to 5 minutes. A rate of the isopropyl alcohol, phenoxy alcohol is 70-90 to 30-10.
Patent KR-20020045172-A (KR)
Title: scroll type compressor
Inventor: CHO YANG HUI
IPC: F04C18/02
Filed: 2000-12-08
Abstract: PURPOSE: A scroll compressor is provided to secure more compression space without deterioration of reliability thereof. CONSTITUTION: Thickness of a rotary scroll wrap(200) and thickness of a fixed scroll wrap(100) are formed differently with each other. The thickness of the rotary scroll wrap is relatively thinner than the thickness of the fixed scroll wrap. The rotary scroll wrap and the fixed scroll wrap have same radiuses of base circles. A starting angle of the rotary scroll wrap is formed differently from a starting angle of the fixed scroll wrap. Volume of a compression chamber is increased by decreased volume(V) of the rotary scroll wrap.
Patent KR-20020050386-A (KR)
Title: Culturing method of micro-algae with high contents of fatty acids by using steelmaking slag
Inventor: PARK GWANG SEOK
IPC: C12N1/00
Filed: 2000-12-21
Abstract: PURPOSE: A method for culturing microalgae with high content of fatty acid by using furnace slag is provided, thereby the microalgae containing a large amount of fatty acid which is useful for human can be cultured economically and environment-friendly. CONSTITUTION: The method for culturing microalgae with high content of fatty acid by using furnace slag comprises: adding 2.7 to 25 g/l of furnace slag, 1 to 10% v/v of carbon dioxide and 16 to 24 deg. C hot water into a microalgae culturing medium; and culturing microalgae under sunlight or fluorescent light, in which the microalgae is selected from Chlorella ellipsoidea, Phaeodactylum triconutum, Spirulina platensis, Chaetoceros calcitrans and Isochysis galbana.
Patent KR-20020050511-A (KR)
Inventor: KIM DONG SEOK
IPC: H01L21/28
Filed: 2000-12-21
Abstract: PURPOSE: A fabrication method of semiconductor devices is provided to improve a yield and to prevent a short between gates by entirely removing residues generated at CMP(Chemical Mechanical Polishing). CONSTITUTION: A gate oxide(22), a plurality of gate electrodes(23) and cap oxides(24) are sequentially formed on a semiconductor substrate(21). After forming an insulating spacer at both sidewalls of the gate electrodes, an interlayer dielectric(26) having a contact hole is formed on the resultant structure. A conductive plug(28) is formed in the contact hole by depositing a conductive layer and polishing the conductive layer using CMP. At this time, residues(29) are simultaneously formed on the conductive plug(28). The residues(29) are entirely removed by slight etching using an ACE(Advanced Chemical Etching).
Patent KR-20020050788-A (KR)
Inventor: SON SANG EUN
IPC: G06F3/03
Filed: 2000-12-21
Abstract: PURPOSE: An optical mouse is provided to move a cursor on a display screen of a computer system by changing a light path to recollect the light reflected from a bottom surface on a light receiving lens in order to make an optical sensor detect an image. CONSTITUTION: The optical mouse comprises a light source(24) emitting the light, a lens(25) collecting the light reflected from the bottom surface and an optical sensor(27) detecting the light collected on the lens. The lens includes a light receiving lens collecting the light emitted from the light source and reflected to the general bottom surface, and a total reflection prism(30) locating on the path that the light totally reflected to the bottom surface is advancing after penetrating through a transparent material such as a glass and collecting the incident light on the light receiving lens by reflecting the incident light through an interfacing surface.
Patent KR-20020051419-A (KR)
Title: overturn prevention device in slope for dump truck
Inventor: YANG NAM GI
IPC: B60P1/04
Filed: 2000-12-22
Abstract: PURPOSE: An inclination overturn preventive apparatus in dumping of a dump truck is provided to prevent overturn of the dump truck by shutting off power and alarming in inclining the vehicle body excessively, and to dump stably by preventing accidents. CONSTITUTION: An inclination overturn preventive device is composed of an inclination detecting sensor(1) having left and right switches(S1,S2), and detecting inclination of a dump truck in dumping with an electrical signal; and a magnetic switch(5) installed between a relay(3) and a PTO(power take-off) apparatus(4) for dumping to shut off power in outputting a detecting signal from the inclination detecting sensor during turning on a PTO driving switch(2). The inclination detecting sensor is installed around a driver's seat of the dump truck, and the relay is directly connected to the PTO driving switch. Accidents from overturn are prevented with shutting off power by the magnetic switch and alarming in tilting the dump truck excessively during dumping.
Patent KR-20020051286-A (KR)
Title: Flash butt weld estimation method using multi-layer error back
Inventor: KANG MUN JIN
IPC: B23K31/12
Filed: 2000-12-22
Abstract: PURPOSE: A method is provided which judges welding quality by predicting tensile strength using a multi-layer error backpropagation neural net. CONSTITUTION: The method for judging welding quality comprises the steps of providing with a neural network which is consisted of an input layer into which heat input measured from flash butt welding process, upset pressing force, acceleration of moving stand and measured value of flash lightness are inputted, an output layer from which tensile strength of a material welded in the process is outputted, and first and second concealment layers arranged between the two layers, wherein each of the layers are connected by connection weight which is a correlation between input and output; calculating an error between tensile strength which is an output from the neural network and an actual tensile strength which is a target value; correcting the connection weight of the neural network in a direction of reducing the error; and predicting tensile strength by inputting heat input, upset pressing force, acceleration of moving stand and measured value of flash lightness of a material a welding quality of which is judged into the input layer of the neural network according to the corrected connection weight.
Patent KR-20020051613-A (KR)
Title: Caller Identification Method Using Public CA In The PC-To-Phone Environment
Inventor: JANG DONG MAN
IPC: H04M11/00
Filed: 2000-12-23
Abstract: PURPOSE: A method for identifying a caller through an authorized certificate authority between a PC and a telephone having a CID(Caller ID) function is provided so that a receiver can selectively receive a telephone call in case that a user, registered in an authorized certificate authority, makes a call to a telephone having a CID function using an Internet phone. CONSTITUTION: After executing user registration to a gatekeeper(201), a user makes a paging permission request(202). In case that the gatekeeper grants the caller's paging request, the caller carries out paging to a desired telephone number(203). The gatekeeper pages a gateway related to the paged telephone number(204). The paged gateway and the caller transmit and receive control messages each other(205). The gateway makes a telephone call to a receiver(206). In case that the receiver responds to the call, the caller's voice is transmitted to the gateway in the form of real-time protocol data(207). The gateway converts the converted data into a voice signal and transmits it to the receiver(208).
Patent KR-20020052472-A (KR)
Title: A method for forming a field oxide of semiconductor device
Inventor: YOON IL YEONG
IPC: H01L21/76
Filed: 2000-12-26
Abstract: PURPOSE: An isolation layer formation method of semiconductor devices is provided to reduce a CMP(Chemical Mechanical Polishing) processing time and to simplify manufacturing processes. CONSTITUTION: After forming a first insulating pattern(13) for exposing an isolation region on a semiconductor substrate(11), a trench is formed by etching the substrate using the first insulating pattern(13) as a mask. A buried insulating layer(15) is formed on the resultant structure. After forming a second insulating layer on the buried insulating layer, a second insulating pattern is formed on the isolation region having a small topology. The buried insulating layer(15) and the second isolating pattern are planarized by CMP.