baber/WOPTO huggingface dataset:
Patent KR-20020005713-A (KR)
IPC: G11B7/253
Filed: 2000-03-24
Abstract: An optical storage medium comprises cover films, storage layers and a base member which are laminated by means of light transmissive pressure sensitive adhesive layers. An optical storage medium (I), from which information may be read and/or into which information may be recorded with a light beam (6), comprises at least one base member (1) on which the light beam (6) is incident, at least one information storage layer (3) and at least one light transmissive cover film(5). The cover films (5) are bonded to each other, to the surface of the base members (1) and/or to one or more information storage layers (3) by means of one or more light transmissive pressure-sensitive adhesive layers (4). An independent claim is included for a method for the preparation of (I) by providing at least one base member (1) having a surface (2) on which the light beam (6) is incident and comprising a structure of pits bearing an information storage layer (3); laminating a laminate comprising at least one cover film (5), the inner surface of which optionally comprises a structure of pits bearing an information storage layer (3) and a releasable protective film (7) with a laminate comprising at least one pressure-sensitive adhesive layer (4) and a release liner (8) between 2 rollers; removing the release liner (8) to provide a bondable laminate; and laminating the laminate (12) to the surface (2) of the information storage layer (3) on the surface (2) of the base member (1).
Patent KR-20020014791-A (KR)
Title: Transmission method of words representing transmission parameters respectively allocated to mobile stations communicating with base station in mobile communication system
IPC: H04J11/00
Filed: 2001-03-16
Abstract: The present invention concerns a method for communicating information concerning spreading codes allocated to mobile stations in communication with a base station of a mobile telecommunication system. It comprises the steps of :selecting one or a plurality of midambles from a set of available midambles in accordance with a value of a binary element of a word representative of said information, wherein said available midambles are shifted versions of a basic midamble code, andtransmitting a general midamble being said selected midamble or a sum of said selected midambles as a representative of said word.The invention relates also to a mobile telecommunication system, a base station of a said mobile telecommunication system and a mobile station of a said mobile telecommunication system provided to perform said method.
Patent KR-20020023230-A (KR)
Title: On chip current source
IPC: H02M1/36
Filed: 2001-03-30
Abstract: Current source comprising a MOS transistor (T1) having a first terminal (D) connected to a high voltage input (HV), a second terminal (S) providing an output current (Iout) to a current output terminal (Q), and a gate, the current source further including a bias unit (T2) connected to the high voltage input (HV) for generating a small bias current for the gate (G), the gate (G) further being connected to an output (Q1) of a voltage comparator (A1) for comparing a sensed voltage (Vsense) caused by the output current (Iout) over a voltage sensor means (Rsense) with a reference voltage and providing at said comparator output (Q1) a regulation voltage for the gate (G) based on the difference between the sensed voltage and the reference voltage, wherein the bias unit (T2) includes a transistor (T2) having a gate electrode (g) which is coupled to one of the nodes of the voltage sensor (Rsense).
Patent KR-20020026461-A (KR)
Title: Mage-a1 peptides presented by hla class ii molecules
IPC: C12Q1/02
Filed: 2000-06-14
Abstract: The invention provides isolated HLA DRB1*15-binding peptides consisting of the amino acid sequence set forth as SEQ ID NO:7 with 0-10 amino acids added to either or both ends of the amino acid sequence set forth as SEQ ID NO:7, and an endosomal targeting signal comprising an endosomal targeting portion of human invariant chain Ii or LAMP-1.
Patent KR-20030059704-A (KR)
Inventor: CHAE GYU SANG
IPC: B23K3/04
Filed: 2002-01-04
Abstract: PURPOSE: A reflow device of a lead-free solder is provided to prevent electronic appliances from being broken and to minimize the temperature gradient on a circuit board by uniformly feeding hot wind onto the circuit board. CONSTITUTION: A reflow device(50) of lead-free solder includes a case(52), a blower(53) installed on the case(52), heaters(54,55,56,57,58) installed in the case(52) for heating air blown from the blower(53), a conveyer(60) for conveying a circuit board, an alignment device(70) for uniformly aligning hot wind supplied from the heaters(54,55,56,57,58) to the circuit board, and a cooler(80) for cooling air, which is fed onto the circuit board in order to melt lead-free solder. The alignment device(70) has a frame positioned between the heaters(54,55,56,57,58) and the circuit board and a lattice for uniformly distributing hot wind.
Patent KR-20030060290-A (KR)
Inventor: CHOI JONG SEO
IPC: G21C19/42
Filed: 2002-01-08
Abstract: PURPOSE: A solid radioactive waste dosing apparatus is provided to minimize an influence owing to an irregular waste insertion when a measurement hopper is influenced by a pressure air current. CONSTITUTION: A store hopper(1) is configured to contain a waste. A measurement hopper(2) is supplied with the waste stored in the store hopper and measures the amount of the waste. A heating furnace(9) receives and heats a predetermined waste amount. A high-temperature ceramic filter(11) collects a dust generated when burning the waste at the heating furnace(9). An air jet escapement(12) is configured to remove the dust on a surface of the high-temperature ceramic filter(11).
Patent KR-20030065008-A (KR)
Title: Differential transimpedance amplifier for optical receiver applications
Inventor: LEE JAE SEO
IPC: H03F3/45
Filed: 2002-01-29
Abstract: PURPOSE: A differential trans impedance amplifier for a photo diode is provided, which reduce an area of a preamplifier and has a high speed, a high gain, a low noise and wide band characteristics. CONSTITUTION: The first buffer(10) of control cascode structure insulates a photo diode by receiving an output of the photo diode converting an optical pulse signal into a photovoltaic force. The second buffer(20) is formed symmetrically to the first buffer for symmetry of a differential structure. A differential amplifier(30) receives the outputs of the first buffer and the second buffer. A threshold voltage compensation load stage(40) is intervened between the differential amplifier and a power supply to widen a dynamic range with a wide swing width. The third buffer(50) of cascode structure obtains DC level shifting and low power consumption by receiving a differential output value of the differential amplifier. And an output stage(60) enables a high speed operation by widening a bandwidth of a device with a shunt peaking technology as to the output of the third buffer.
Patent KR-20030066038-A (KR)
Title: A syringe for domestic animals
Inventor: AHN DONG JUN
IPC: A61M5/20
Filed: 2002-02-04
Abstract: PURPOSE: An injector for livestock is provided to improve inoculation efficiency since a continuous inoculation is possible, inoculate precisely on an inoculation region of moving livestock and make maintenance easier due to its simple structure. CONSTITUTION: The injector for livestock comprises: an injector main body(2) which has a pressure handle(H) slidably mounted; a chemical feeding unit which injects a chemical by the operation of the pressure handle(H); and a display unit which is mounted at one side face of the chemical feeding unit and displays whether inoculation is carried out or not.
Patent KR-20030067380-A (KR)
Title: Exterior Hard Disk of preventing vibration
Inventor: PARK YONG HAE
IPC: G11B33/08
Filed: 2002-02-08
Abstract: PURPOSE: A vibration protecting external hard disk is provided to divide a USB port into an inner port and an external port and connect the ports with a flexible cable, thereby safely protecting a hard disk from a shock or vibration applied to a case. CONSTITUTION: A hard disk(12) integratedly formed with a controller is installed inside a case(10). An USB(Universal Serial Bus)/IEEE(Institute of Electrical and Electronics Engineers) 1394 interface card(14) is connected with the hard disk for interfacing with a PC. An USB/IEEE 1394 inner port(16) is placed on one side of the USB/IEEE 1394 interface card. A USB/IEEE 1394 external port(20) is protrudedly mounted and connected with the USB/IEEE 1394 inner port by a flexible cable(18).
Patent KR-20030070225-A (KR)
Title: Methods for compensating the polarization mode dispersion occurring in an optical transmission fiber and an apparatus therefor
Inventor: HAN GI HO
IPC: H04B10/18
Filed: 2002-02-21
Abstract: PURPOSE: A method and an apparatus for compensating polarization mode dispersion generated from a transmission fiber are provided to reduce a loss and enhance the reliability by simplifying a structure of a polarization mode dispersion compensation apparatus. CONSTITUTION: An apparatus for compensating polarization mode dispersion generated from a transmission fiber includes a polarization controller(101), a polarization rotator(103), a polarization beam splitter(105), a compensation controller, and a rotation controller. The polarization controller is used for converting a state and a direction of a polarization element of a received optical signal. The polarization rotator is used for rotating the polarization element of an output signal of the polarization controller. The polarization beam splitter is used for separating the first and the second polarization elements from the optical signal. The compensation controller controlling the polarization controller to align the first and the second polarization elements to two axes of polarization beam splitter. The rotation controller is used for controlling the polarization rotator.
Patent KR-20030071059-A (KR)
Title: Rewind spiral second inductor
Inventor: RYU GI HYEON
IPC: H01F27/25
Filed: 2002-02-27
Abstract: PURPOSE: A rewinding spiral type two-layered inductor is provided to form the two-layered inductor on a semiconductor substrate by using an air-bridge process. CONSTITUTION: A rewinding screw type two-layered inductor includes the first metal layer(10), the second metal layer(20), and a connection portion(30). The first metal layer(10) is connected to a substrate. The second metal layer(20) is formed serially to the first metal layer(10). The connection portion(30) is used for connecting the first metal layer(10) to the second metal layer(20). The line width and the thickness of the first metal layer is 15 micro meters and 0.5 micro meters, respectively. The line width and the thickness of the second metal layer is 10 micro meters and 3 micro meters, respectively.
Patent KR-20030071192-A (KR)
Title: A polishing appartus for semiconductor device
Inventor: KIM GYEONG HO
IPC: H01L21/304
Filed: 2002-02-28
Abstract: PURPOSE: An apparatus for planarizing a semiconductor wafer is provided to make a difference of a removal rate in a wafer uniform by planarizing a metal layer and an insulation layer in a multilayered interconnection process through a mechanical cutting method. CONSTITUTION: A semiconductor wafer(100) is placed on the first bedplate(110) so that the height of the semiconductor wafer is controlled. The first bedplate is positioned by a pad(120). A rotation axis(130) rotates the pad. A cutting apparatus(140) cuts the semiconductor wafer. A height control part(151) controls the height of the cutting apparatus. A right-and-left control part(152) transfers the cutting apparatus in the right and left direction. The second bedplate(150) is composed of the height control part and the right-and-left control part.
Patent KR-20030075259-A (KR)
Title: The insulating material which is fireproof and lightweight
Inventor: MOON JONG IN
IPC: C04B14/04
Filed: 2002-03-18
Abstract: PURPOSE: Provided is an ultralight, fire resistant, heat insulating material, having heat resistance, foaming property, and adhesion, which has high strength and economical efficiency and can contribute resource utilization and an environmental problem, when used as building materials. CONSTITUTION: The heat insulating material comprises 30-75 wt% of silicate, preferably sodium silicate, and the rest of heat resistant particles, preferably sand, earth, or mineral particles based on SiO2, wherein 1-50% of the particles have particle sizes of 0.002-0.01 micrometer. The heat insulating material is produced by kneading the silicate and the heat resistant particles together with water, semi-drying the mixture, heating the semi-dried mixture to 120-500 deg.C, and foaming the mixture. Strength and specific gravity of the material are adjusted by contents of the silicate and the heat resistant particles.
Patent KR-20030014097-A (KR)
Title: Method of driving plasma display apparatus
Inventor: ASAO SHIGEHARU
IPC: G09G3/298
Filed: 2002-03-20
Abstract: PURPOSE: To realize a method for driving a PDP device further improved in darkroom contrast by reducing background emission, even in a panel of an ALIS system where the electrodes of adjacent cells are present close to each other. CONSTITUTION: This invention relates to the method for driving the plasma display device wherein 1st electrodes X and 2nd electrodes Y extending in the 1st direction are arranged alternately and adjacently to each other; 1st and 2nd display lines are formed on both sides of the 2nd electrode; and interlace display is performed by alternately displaying them in separate fields, and one display field is composed of at least a plurality of sub-fields; each sub-field is composed of at least a reset period, an address period, and a sustaining discharge period; the reset period is provided with at least a write discharge process and an erase discharge process, and voltage for the write discharge process is made different at least in a part of the sub-fields.
Patent KR-20030079206-A (KR)
Title: A high tension circuit breaker comprising impact alleviating means
Inventor: KIM SANG HYEON
IPC: H01H31/00
Filed: 2002-04-02
Abstract: PURPOSE: A high voltage breaker is provided to efficiently buffer the impact generated due to the lowering operation of the piston rod. CONSTITUTION: A high voltage breaker comprises a housing(10); a piston rod(1) mounted in the housing, and which moves in a vertical direction so as to connect or disconnect a high voltage wire; a piston(3) inserted into the lower portion of the piston rod; a piston rod elevating unit for supporting the piston rod and the piston and supplying a hydraulic pressure to the upper and lower portions of the piston in such a manner that the piston rod slides in a vertical direction; and an impact buffering unit arranged beneath the piston rod elevating unit, and which accumulates the hydraulic pressure being supplied to the piston and buffers the impact generated due to the sudden lowering operation of the piston rod. The piston rod elevating unit includes a hydraulic cylinder(5), an upper cap(7) and a lower cap(11). The impact buffering unit includes a cup and a bellows unit.
Patent KR-20030079331-A (KR)
Title: A manufacturing process and white light electro luminescence device
Inventor: LEE JONG WON
IPC: H05B33/14
Filed: 2002-04-03
Abstract: PURPOSE: A white light electroluminescence device and a method for manufacturing the same are provided to reduce manufacturing procedures and costs, while achieving improved color purity and luminous effects. CONSTITUTION: A white light electroluminescence device comprises a substrate(10); a blue light emitting layer(20) formed on the substrate; a transparent electrode layer(30) formed on the blue light emitting layer; a green and red light emitting layer(40) formed on the transparent electrode layer; and a transparent surface protection layer(50) formed on the green and red light emitting layer. The blue light emitting layer consists of light emitting powders coated with an insulating layer having a high dielectric constant, and a binder for maintaining the light emitting powders.
Patent KR-20030080319-A (KR)
Title: Method for manufacturing slope floating gate of nonvolatile memory cell
Inventor: SEO YEONG HUN
IPC: H01L21/8247
Filed: 2002-04-08
Abstract: PURPOSE: A method for manufacturing a sloped floating gate of a nonvolatile memory cell is provided to be capable of simplifying manufacturing processes without forming a buffer oxide layer and a hard mask. CONSTITUTION: A tunnel oxide layer(102) is formed on a semiconductor substrate(100). A conductive layer is deposited on the tunnel oxide layer(102). The first mask pattern is formed to define the first and second plane corresponding to the width direction of a floating gate. A conductive pattern(104') having a slope plane(104a) is formed by patterning the conductive layer using the first mask pattern as a mask. After removing the first mask pattern, the second mask pattern is formed to define the third and fourth plane corresponding to the length direction of the floating gate. Then, the conductive pattern(104') is selectively etched by using the second mask pattern as a mask.
Patent KR-20020079536-A (KR)
Inventor: KONDOH KUNIHIRO
IPC: G06F13/10
Filed: 2002-04-09
Abstract: PURPOSE: To provide a USB interface device for realizing a remarkable reduction of a circuit scale, and to provide a control method thereof. CONSTITUTION: The interrupt transfer for periodical transfer with the highest degree of priority among the transfer method of a USB is used. A memory controller 26 of the USB interface device 26 periodically receives the schedule information of the USB host controller inside a computer 21, and the schedule information is stored in a schedule data register 282 of a transaction control unit, and buffering is controlled on the basis of the schedule information.
Patent KR-20030081694-A (KR)
Title: Ejecting carriage type cremator
Inventor: KANG JAE WON
IPC: F23G1/00
Filed: 2002-04-12
Abstract: PURPOSE: An injection type cremator with a truck is provided to improve incineration efficiency and completely cremate a corpse by uniformly injecting air into the corpse. CONSTITUTION: A plurality of ash collecting units are formed at the upper part of a truck(22). A plurality of supports(45) are formed between the ash collecting units. A lower air supply unit has a plurality of nozzles(25) formed at both sides of the ash collecting units, and supplies air to the lower part of a corpse. A lower blower nozzle(44) is inserted into a coupling pipe(47) formed at one end of the lower air supply unit, and supplies the air from a blower(42) to the lower air supply unit.
Patent KR-20030082014-A (KR)
Title: Bar-type/flip-type combination portable phone
Inventor: HIGASHI JEFF
IPC: H04B1/38
Filed: 2002-04-15
Abstract: PURPOSE: A flip-type portable communication device used as a bar-type portable communication device is provided to be easily converted into the bar-type portable communication device and be used as the bar-type portable communication device by composing a flip device capable of being mounted and dismounted. CONSTITUTION: A safe receipt portion(S1) is formed in close vicinity to a microphone(116). A flip device is formed in a vertical direction with respect to an upper surface of a body, and is composed to be capable of being mounted and dismounted on the safe receipt portion(S1). A portable communication device(10) is used as a bar-type portable when the flip device is separated from the safe receipt portion(S1). The portable communication device(10) is used as a flip-type portable communication device when the flip device is combined with the safe receipt portion(S1).
Patent KR-20020090124-A (KR)
Inventor: JACKSON GRAHAM
IPC: C07B61/00
Filed: 2002-05-13
Abstract: PURPOSE: A method for preparing a monoester of polyhydroxy alcohol is provided, to obtain a monoester of polyhydroxy alcohol in high yield and in high purity within economical time. CONSTITUTION: The method comprises the steps of reacting a glyceride ester composition derived from natural or synthetic supply source with polyhydroxy alcohol in the presence of a t-butanol or t-amyl alcohol as a reaction medium and a catalyst, wherein the mass ratio of the reaction medium to the polyhydroxy alcohol is 0.8:1 or more in the case of t-butanol and 1.3:1 or more in the case of t-amyl alcohol, the reaction is carried out at a temperature equal to at least refluxing temperature of the reaction medium and at a pressure over 1 bar, and the catalyst is selected from a basic salt of metals of groups 1 and 2 and a nonmetallic nitrogen-containing base; neutralizing the catalyst if necessary; removing the t-butanol or t-amyl alcohol; and removing the unreacted polyhydroxy alcohol and free glycerol from the mixture.
Patent KR-20030089301-A (KR)
Title: Resonator for electrodless lighting system
Inventor: HUH HYEON SU
IPC: H05B41/00
Filed: 2002-05-17
Abstract: PURPOSE: A structure of a resonator in an electrodeless lighting system is provided to prevent the deterioration and the corrosion of the resonator by using molybdenum or molybdenum alloy. CONSTITUTION: A structure of a resonator in an electrodeless lighting system includes a case(101), a high voltage generator(102), a magnetron(103), a waveguide(104), a lamp(106), a resonator(108), and a lamp shade(109). The high voltage generator(102) is installed at one side of the inside of the case(101) in order to boost the commercial power. The magnetron(103) is installed around the high voltage generator(102) to generate electromagnetic waves. The waveguide(104) is installed around the magnetron(103) to guide the electromagnetic waves. The lamp(106) is used for generating the light by means of the guided electromagnetic waves. The resonator(108) is used for shielding the electromagnetic waves and transmitting the light. The lamp shade(109) is used for reflecting the light through the resonator(108). The resonator(108) is formed with a net structure including a plurality of through-holes(108a).
Patent KR-20030093499-A (KR)
Title: Wireless phone with mirror
Inventor: CHOI BYUNG WON
IPC: H04B1/38
Filed: 2002-06-03
Abstract: PURPOSE: A cellular phone having a mirror function is provided to install a thin film filter on the front side of a cellular phone LCD, thereby implementing the mirror function of reflecting light on an LCD window when the light is not emitted and enabling a user to see the LCD by transmitting the light when the light is emitted. CONSTITUTION: A thin film filter(20) performs a transmitting/reflecting function by being installed on the front side of an LCD(30). A mirror mode switch(40) turns on/off an LCD backlight. When the LCD backlight is turned off, the LCD(30) becomes a mirror by the reaction of a reflective film of the thin film filter(20). The thin film filter(20) transmits light when one side illumination is the same as or higher than the other side illumination. If the one side illumination is lower than the other side illumination, the light is reflected on the thin film filter(20).