baber/WOPTO huggingface dataset:
Patent KR-20020061949-A (KR)
Title: Energy Recovery Device and Method for AC Plasma Display Panel
Inventor: CHAE GYUN
IPC: G09G3/296
Filed: 2001-01-19
Abstract: PURPOSE: An energy recovery device of an AC type plasma display panel(PDP) and an energy recovery method using the same are provided, which improves an energy recovery efficiency and a driving characteristics of the AC type plasma display panel. CONSTITUTION: The energy recovery device of an AC type plasma display panel is constituted to recover a charge/discharge energy by being resonated with a panel capacitor of the plasma display panel. The energy recovery device includes a sustain driving unit(30) which is connected to a power supply part and is switched according to an external control signal and also supplies a sustain voltage to the panel capacitor to drive the display panel and also discharges its charging energy periodically. And an energy recovery unit comprises the first inductor(L1) arranged in a charging path of the panel capacitor and the second inductor arranged in a discharge path, and recovers a current energy stored in the first and the second inductor to the power supply part by being switched according to the external control signal after the charging/discharging operation of the panel capacitor.
Patent KR-20010078114-A (KR)
Title: Process and apparatus for cleaning a silicon surface
Inventor: CARLSON DAVID K
IPC: H01L21/302
Filed: 2001-01-27
Abstract: PURPOSE: A process and an apparatus for cleaning a silicon surface is provided to periodically clean and maintain for removing the residues and repairing any corrosion incurred during the wafer cleaning process. CONSTITUTION: A silicon wafer is transferred from a transfer chamber into a processing chamber(41). The processing chamber may be a deposition chamber or other processing chamber wherein the silicon wafer will be processed after the wafer is cleaned, or the processing chamber may be a dedicated cleaning chamber connected to a pump. The processing chamber is evacuated(42) to a process pressure of less than about 1 Torr. The process pressure is the total pressure within the processing chamber while the silicon wafer surface is being cleaned. Hydrogen gas is flowed over a surface of the silicon wafer at a flow rate of up to about 3 standard liters per minute (SLM) through a chamber volume of about 10 liters. At step 44, the silicon wafer is heated to a process temperature not higher than about 800 DEG C. The silicon wafer is maintained at the process temperature and the process pressure while hydrogen gas is flowed across the surface of the silicon wafer until substantially all interfacial oxygen contamination is removed.
Patent KR-20020065209-A (KR)
Title: Glasses holder of sunvisor for vehicles
Inventor: KIM DEOK RAE
IPC: B60J3/02
Filed: 2001-02-06
Abstract: PURPOSE: A glasses holder mounted in a sun visor of a vehicle is provided to reduce moment of the sun visor from weight of the holder, to improve appearance of the sun visor, to put on glasses conveniently during traveling, and to minimize injury at the accident by embedding the holder in the sun visor. CONSTITUTION: A glasses holder is composed of a cover(20) having a first protrusion(21); a lower part having a hinge part(31) hinged in the cover to turn the cover, a first separable member(50) fixed and separated by the first protrusion, and a second protrusion(33) in the lower part; a housing(40) having a second separable member(60) fixed and separated by the second protrusion, and an opening part(41) opened to contain the cover and the lower part; and an assembling spring(43) placed around the second separable member, and assembled between the lower part and the housing to reinforce elastic force of the second separable member. The glasses are put on conveniently during traveling by installing the glasses holder in the sun visor for the vehicle.
Patent KR-20010082140-A (KR)
Inventor: BOWER JOHN ERIC
IPC: H01L41/22
Filed: 2001-02-12
Abstract: PURPOSE: A method for producing device having piezoelectric films is provided to control the deposition and surface roughness of the metal layer, i.e., a lower surface roughness for the electrode results in an improved quality for the piezoelectric film. CONSTITUTION: The resonator has a substrate(110), a layer(120) of piezoelectric material, and an acoustic reflecting region(125), such as a Bragg reflecting region, between the substrate(110) and layer(120). Alternative to the reflecting region(125), a layer of air (not shown) may be used to suspend the layer(120) above the substrate(110). A bottom electrode(135) and top electrode(130) are disposed on opposite surfaces of the piezoelectric layer(120).
Patent KR-20020068693-A (KR)
Title: Method for manufacturing of semiconductor device
Inventor: CHO JEONG HO
IPC: H01L27/10
Filed: 2001-02-22
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to simplify a fabrication process by forming simultaneously a polycide gate and a poly-resister. CONSTITUTION: An isolation layer(12) is formed on a substrate(11). A gate oxide layer(13) is formed on the substrate(11). An amorphous silicon layer(15) and a hard mask layer(17) are formed on the gate oxide layer(13). The first photoresist pattern is formed on the hard mask layer(17). The hard mask layer(17) and the amorphous silicon layer(15) are etched and the first photoresist pattern is removed. An insulating layer is deposited on a whole surface of the above structure. An insulating layer spacer(20) is formed on a side wall of the hard mask layer(17) and the amorphous silicon layer(15). An interlayer dielectric(21) is formed thereon. The hard mask layer(21) is exposed by etching the interlayer dielectric(21). The second photoresist layer is deposited thereon. The second photoresist pattern is formed by performing an exposure process and a developing process. The amorphous silicon layer(15) is exposed by removing the hard mask layer(17). A tungsten silicide is formed on the whole surface of the above structure. A polycide gate(27) and an analog gate(29) are formed by etching the tungsten silicide.
Patent KR-20020070687-A (KR)
Inventor: HONG JONG HWA
IPC: H01L21/02
Filed: 2001-03-02
Abstract: PURPOSE: A semiconductor wafer including identification information bored by laser is provided to reduce an area for indicating wafer identification information on a surface area of a wafer and prevent a loss of the wafer identification information due to a layer. CONSTITUTION: A semiconductor wafer(10) includes a wafer identification information display portion(20) and a flat zone(14). The flat zone(14) is used for loading or unloading a wafer on a carrier. The wafer identification information display portion(20) is formed by boring a semicircle including wafer identification information on a section of the flat zone(14). The semicircle including the wafer identification information is bored on the section of the flat zone(14) by using a laser. The bored identification information is formed by a bar code. The bar code includes lot identification indicating a size, a thickness, a resistant component, a kind, a property, and a function of the wafer and a serial number for a wafer lot. The wafer identification information display portion(20) reads the wafer identification information by an identification information reader.
Patent KR-20020076574-A (KR)
Title: Distance relay for protecting transmission line with immune reactance effect
Inventor: AHN YONG JIN
IPC: H02H7/26
Filed: 2001-03-29
Abstract: PURPOSE: A distance relay is provided to minimize a reactance which causes erroneous operation of the distance relay, by compensating size and phase of the impedance estimated by the distance relay upon occurrence of accident accompanied with a failure resistance in a transmission line. CONSTITUTION: A distance relay operates by a step(S100) of receiving voltage and current signals; a step(S110) of filtering the received signal; a step(S120) of calculating a power frequency component from the filtered signal; a step(S130) of judging whether an over current flows by comparing the power frequency component calculated in the previous step with a threshold value; a step(S140) of judging whether it is a ground fault of disconnection fault, if the over current flows; a step(S150) of calculating an estimated impedance if it is judged as a ground fault; a step(S160) of calculating an estimated fault point; a step(S170) of calculating a zero-phase-sequence component current distribution coefficient; a step(S180) of calculating a phase angle; a step(S190) of calculating a corrected impedance by correcting the estimated impedance through the use of the value of the phase angle; a step(S200) of performing the step(S160) if the difference between the current corrected impedance and the previous corrected impedance is larger than a preset value, and performing the subsequent step if the difference is smaller; a step(S210) of calculating an estimated impedance if it judged as a disconnection fault; steps(S220 to S240) of calculating an estimated fault point, a zero-phase-sequence component current distribution coefficient and a phase angle; a step(S250) of calculating a corrected impedance; a step(S260) of performing the step(S220) if the difference between the current corrected impedance and the previous corrected impedance is larger than a preset value, and performing the subsequent step if the difference is smaller; a step(S270) of judging whether the corrected impedance falls within a protection range; and a step(S280) of performing a filtering step if the corrected impedance does not fall within the protection range, and generating a trip signal if the corrected impedance falls.
Patent KR-20010095168-A (KR)
Title: Flame-retardant coating
Inventor: PIRIG WOLF-DIETER
IPC: C09D5/00
Filed: 2001-03-30
Abstract: PURPOSE: Provided is a flame retardant paints which forms an insulating layer and is based on carbonized substances and form a foam layer in the event of a fire on film-forming binders, blowing agents and customary auxiliaries and additives. CONSTITUTION: The flame retardant coating comprises melamine polyphosphate as blowing agent and as substance forming a foam layer. The melamine polyphosphate has the formula (HMPO3)n, where M is melamine and n >= 2, in particular from 2 to 10,000. In the flame retardant coating, no ammonium polyphosphate is present, and no melamine and/or dicyandiamides are present. The coating comprises from 5 to 30 parts by weight of film-forming binder, from 5 to 25 parts by weight of a substance which carbonizes, from 30 to 70 parts by weight of melamine polyphosphate, and from 10 to 50 parts by weight of customary auxiliaries and additives.
Patent KR-20020077694-A (KR)
Title: Method and Apparatus for Simple Type Input
Inventor: AN HYUN GI
IPC: G06F3/02
Filed: 2001-04-02
Abstract: PURPOSE: A simple input device and method are provided to perform an access to a specific URL or an execution of a specific application program, by producing a character representing a specific site or application program, to transmit an instruction code directly to a computer by embedding a serial ROM in a character and operating the character, or to perform an operation mapped with an instruction code by embedding a DIP(Dual In line Package) switch in a character and operating the character, where the serial ROM and the DIP switch stores specific instruction codes. CONSTITUTION: The method comprises steps of a user connecting a character doll to one port of a hub(S410), a CPU determining if a switch is turned on for executing a specific operation of the character doll(S420), in a case that the switch is turned on, the CPU reading the instruction codes, stored at a serial ROM, one by one bit(S430), the CPU processing the read bits, producing instructions appropriate for each connection component, such as an SIO(Serial Input Output) module, a USB(Universal Serial Bus) driver, a PIO(Parallel Input Output), an RF(Radio Frequency) transmission module or a bluetooth transmission module, and transmitting instructions to a corresponding port or module(S440), and a computer receiving the instructions via the connection component and executing a corresponding operation, for example executing a web browser and accessing a search site, or executing a word processor.
Patent KR-20020077716-A (KR)
Title: Alarm system for urine
Inventor: CHOI EUN SIK
IPC: A61F13/42
Filed: 2001-04-02
Abstract: PURPOSE: Provided is an automatic sensing device for relieving by the diaper users to the care takers. The device is easy to put on or off and is installed inside the diaper making it detect the wide area. CONSTITUTION: The device comprises: a sensing equipment(100) of the relieving composed of the sensing pad(150) with the sensor inside, sensing part which receives and treats the detection signal of the relieving from the pad, transmission part of transmitting the output signals from the sensing part and the power source which supplies the above parts; a relieving alarm equipment which consists of receiving part of the signal from the transmission part, an alarm part, discharging alarm signal with recorded the output signal from the receiving part and the power generating source to the above parts and the recognizing the exchanging time of the diaper by the delivered signals from the alarm equipment which receives wireless signals from the sensing equipment.
Patent KR-20010067869-A (KR)
Title: Low frequency magnetic field exposure device
Inventor: AHN JAE MOK
IPC: A61N2/04
Filed: 2001-04-03
Abstract: PURPOSE: An exposure apparatus to low-frequency magnetic fields is provided to assess a biological effect from the low-frequency magnetic fields generated from living environment. CONSTITUTION: The apparatus comprises a key input device(12) to generate a variety of key signals; a magnetic field detecting device(14) having resistant multi-layer to detect the strength of magnetic fields; a temperature detecting device(16) to detect the temperature of the coil inner temperature; a signal processing device to process signals generated from the key input device(12), the magnetic field detecting device(14) and the temperature detecting device(16); a device to drive magnetic field generation(20); a device to drive a display(26); a data saving device(28); and a controlling device(30).
Patent KR-20010067928-A (KR)
Inventor: YOU OK A
IPC: H01R33/00
Filed: 2001-04-07
Abstract: PURPOSE: A socket assembly is provided to improve the productivity of the articles by securely assembling a body, a fixing member and a housing with performing one riveting work. CONSTITUTION: A socket assembly comprises a body having a space section at a lower portion thereof and a horizontal through hole(15) at an upper end thereof. A connection terminal is provided in the space section of the body so as to be connected with an external power line(14). A fixing member(20) is formed with a coupling hole(25) which is overlapped with the horizontal through hole(15). Both ends of the fixing member(20) are downwardly extended. The coupling hole(25) is formed at a center of the extending section. The fixing member(20) and the body are simply coupled to each other by a rivet(60).
Patent KR-20020080068-A (KR)
Title: Transmission power remote control method of mobile communication
Inventor: JUN MIN GIL
IPC: H04B7/26
Filed: 2001-04-11
Abstract: PURPOSE: A method for remotely controlling a transmission power in a terminal is provided to transmit the total transmission power transmitted through a multi-channel within an optimum reverse link wireless resource range by remotely controlling a transmission power unit applied to each channel of the terminal at 1dB, 0.5dB, or 0.25dB through a transmission power message. CONSTITUTION: A BSC(Base Station Controller) transmits a transmission power change information request message to a terminal(S1). The BSC receives transmission power change information of one channel from the terminal(S2). The BSC transmits a multi-channel setting message to the terminal(S3). The BSC receives an acknowledgement message for informing that a multi-channel is assigned from the terminal(S4). The BSC remotely controls the level of a power control step at 1dB, 0.5dB, or 0.25dB for optimizing the total transmission power of the multi-channel within a reverse link wireless resource range(S5).
Patent KR-20020080699-A (KR)
Title: Method for advertising via a communication terminal
Inventor: SEO JONG SU
IPC: H04W4/00
Filed: 2001-04-17
Abstract: PURPOSE: An advertising method is provided to transmit an advertisement transmitted to a communication terminal to other communication terminals by using the communication terminal, thereby sharing the advertisement and donating saved advertising costs to public institutions. CONSTITUTION: A service provider receives an advertising request, and stores the request in an advertising DB(S110). The service provider designates the first receiver of a requested advertisement(S120). An advertising transmission module of an advertising relay server designates a type of a communication terminal of the designated receiver(S130). The advertising transmission module transmits the stored advertisement to the communication terminal, and stores transmitted details in a result DB(S140). A user of the communication terminal confirms the advertisement on an advertising screen(S150). The user designates other advertising receiver, and transmits receiver information to the advertising relay server(S160). An advertising calculation module calculates an advertising transmission frequency, and decides whether the frequency accomplishes an expected result(S175). If an advertiser does not designate a donating place, the module obtains a value multiplying costs per advertisement(S180). The service provider pays advertising costs(S190).
Patent KR-20020001501-A (KR)
Title: Sample warper and warping method
Inventor: AIHARA TAKATSUGU
IPC: D02H13/18
Filed: 2001-04-20
Abstract: PURPOSE: To provide a sample warper which can control a conveyer belt transfer rate in response to the number of simultaneously warped yarns to eliminate the unevenness of the finished surface of the yarns wound on a warping drum, wherein the unevenness is caused by the change in the number of the simultaneously warped yarns, and to provide a method for warping. CONSTITUTION: This sample warper having plural yarn guides which are rotatably disposed on the side surface of a warping drum and is used for winding yarns on a conveyer belt moved on the warping drum at a prescribed transfer rate, a conveyer belt transfer means for controlling the conveyer belt transfer rate, a yarn selection means disposed at one end of a base supporting the warping drum, a leasing means disposed in parallel to the longitudinal direction of the warping drum, and a creel to which bobbins are set is characterized in that the transfer rate of the conveyer belt can be changed and controlled in response to the number of yarns to be simultaneously warped under preliminarily set warping conditions and warping design.
Patent KR-20020082332-A (KR)
Title: A part refining methed of raw pure silk
Inventor: KIM YOUNG BAEK
IPC: D06M13/292
Filed: 2001-04-21
Abstract: PURPOSE: A method for partially scouring pure silk by removing about 25% by weight of impurities contained in silk by use of acidic chemicals such as phosphoric acid is provided which makes various patterns and designs clear while giving good flexibility and feeling. CONSTITUTION: Pure silk is printed with 3 to 4% acidic chemicals such as phosphoric acid, treated at 80 to 90deg.C for 1hr 20min to 1 hr 40min(preferably 1hr 30min) and then washed with warm water at 55 to 65deg.C.
Patent KR-20020084344-A (KR)
Title: Method of manufacturing stainless steel composites
Inventor: EO GWANG JUN
IPC: C23C14/22
Filed: 2001-04-30
Abstract: PURPOSE: A method for manufacturing a stainless steel composite material is provided which improves productivity by manufacturing the composite material equipped with a surface composite layer that is not delaminated, uniformed, relatively thick and has high hardness and superior abrasion resistance in the atmosphere. CONSTITUTION: The method for manufacturing a stainless steel composite material comprises the steps of preparing stainless steel as a matrix (S10); composing a mixture of reinforcing particles and solvent powder (S20); coating the mixture on the upper part of the stainless steel (S30); and projecting an acceleration electron beam onto the upper part of the mixture coated stainless steel (S50), wherein the matrix is SUS 304 stainless steel, AISI 316 stainless steel, or corresponding austenitic stainless steel, the reinforcing particles are TiC powder, mixed powder of Ti and C, or MC (M=Ti, V and Nb) shaped carbide powder, the solvent powder is CaF2 or fluoride based solvent, the mixture of the reinforcing particles and solvent powder is prepared by a dry mixing method, the mixture of the reinforcing particles and solvent powder comprises about 40 wt.% of the solvent powder, and the step of projecting the acceleration electron beam is performed in the electron beam energy range of 1.0 to 2.5 MeV.
Patent KR-20020085912-A (KR)
Title: door unlocking method for a vehicle
Inventor: AHN SEONG HO
IPC: E05B81/60
Filed: 2001-05-10
Abstract: PURPOSE: A method for unlocking a door of a vehicle is provided to release a locking state of a vehicle door by forming a local area network between a cellular phone and an electronic control unit. CONSTITUTION: A user confirms whether a vehicle is in a locking state of door or not when the user puts a key in the inside of the vehicle(S10). The user confirms whether a cellular phone is located in the inside of the vehicle, or not(S11). A local area network is formed between a blue tooth chip of the cellular phone and a blue tooth chip of an electronic control unit of the vehicle if the cellular phone is located in the outside of the vehicle(S12). The cellular phone in outdoor outputs a release signal to the electronic control unit(S13). The electronic control unit checks the release signal(S14). The electronic control unit releases the locking state of the door by controlling a locking device(S15). The electronic control unit maintains the locking state of the door if the transmitted release signal does not correspond to a stored release signal(S16). The communication network is formed between the cellular phone and a wire or a wireless telephone if the cellular phone is located in the inside of the vehicle(S17). The local area network is formed between the blue tooth chip of the cellular phone and the blue tooth chip of the electronic control unit(S18). The indoor cellular phone outputs a release signal to the electronic control unit(S19).
Patent KR-20020086989-A (KR)
Title: Medium on recorded script files, and method and apparatus for reproducing them
Inventor: CHO JANG HWI
IPC: G11B20/12
Filed: 2001-05-12
Abstract: PURPOSE: A recording medium recorded with a script file and a device and a method for reproducing the same are provided to record detailed information related to the motion picture data to a predetermined area of a recording medium in the shape of script file to be reproduced with the related motion picture data. CONSTITUTION: A device for reproducing a recording medium recorded with a script file includes a reading unit(11) for reading data from the recording medium, a reproducing processing part(12) for reproducing the read data, a spindle motor(17) for rotating the recording medium, a sled motor(16) for moving the reading unit horizontally with respect to the recording surface of the recording medium, a servo part(15) for controlling the operations of the motors and the servo operation of the reading part, a storing unit(14) for storing information required for reproducing the recording medium and the script files, and a control unit(13) for controlling the operations of the component parts and the reproducing of the recording medium and a predetermined script file related to currently reproducing motion picture data.