baber/WOPTO huggingface dataset:
Patent KR-20080005673-A (KR)
Title: Optical fiter with variable bandwidth and extinction ratio using the microring resonator
Inventor: LEE SANG SIN
IPC: G02B6/00
Filed: 2006-07-10
Abstract: An optical filter with variable bandwidth and extinction ratio using a micro-ring resonator is provided to control the band pass characteristics of the optical filter by applying a current to a variable voltage unit formed on both ends of an open loop of an electrode pattern. A first waveguide(100) has an input port(110) receiving an optical signal to transfer the optical signal and a pass port(120) passing the optical signal. A first ring resonator(200) is formed as a closed loop by being separated from the bottom of the first waveguide, and operates as a band pass filter by being coupled with the first waveguide. A second waveguide(300) has an additional port(330) receiving an additional signal and an output port(340) outputting a signal, and is formed in parallel with the first waveguide. A second ring resonator(400) is formed as a closed loop by being separated from the bottom of the second waveguide, and operates as a band stop filter by being coupled with the second waveguide. An electrode pattern(500) is formed as an open loop on the top of the second ring resonator, and has a variable voltage unit(510) controlling a current by connecting both ends of the open loop.
Patent KR-20080006355-A (KR)
Title: Toothbrush stand
Inventor: LEE EUN JOO
IPC: A47K1/09
Filed: 2006-07-12
Abstract: A toothbrush stand for individually fixing toothbrushes and preventing water from pooling in the toothbrush stand is provided to keep toothbrushes individually and hygienically. A toothbrush stand includes a main body(50) having plural insertion parts(10) that a toothbrush rod is fixed. The insertion part is formed corresponding to a shape of the toothbrush rod. The toothbrush stand has a water discharge hole formed on the lower side of the main body that the insertion part is positioned. The insertion parts are arranged regularly.
Patent KR-20070011151-A (KR)
Title: Exhaust gas recirculation device
Inventor: MAEDA KAZUTO
IPC: F02M25/07
Filed: 2006-07-19
Abstract: An exhaust gas recirculation device is provided to improve heat radiation performance by effectively cooling an electric motor and prevent deterioration of performance of the electric motor caused due to over-heat of the electric motor. An exhaust gas recirculation device comprises a housing(2) having an exhaust gas recirculation passage(22) for recirculation of a part of exhaust gas of an internal combustion engine from an exhaust side to an intake side of the engine; a butterfly valve(4) contained in the housing so as to open/close the exhaust gas recirculation passage; and a motor(7) for generating driving force for driving the butterfly valve. The housing includes a mixing chamber(23) for mixing re-circulated exhaust gas from the exhaust gas recirculation passage into intake air sucked to the engine; and an air suction passage(21) formed in an upper stream of the mixing chamber in an intake air flow direction so that intake air flows into the mixing chamber. The motor is arranged in the vicinity of an inner wall surface of the air suction passage, so that the motor is cooled by intake air flowing through the air suction passage.
Patent KR-20080009394-A (KR)
Title: Level winding method of pipe for industrial
Inventor: KIM JONG LEE
IPC: B65H49/00
Filed: 2006-07-24
Abstract: A pipe winding method is provided to allow a supplier to save a packing material by performing a work while maintaining the outer diameter and thickness of the pipe as they are even in the field. In a pipe winding method, one pipe winding layer parallel to a disk(102) is formed by gradually reducing the radius of a wound pipe when the pipe is wound from a predetermined position of the outskirt of the disk of a spooler(101) toward a drum(103) standing at the center of the disk. A pipe winding layer parallel to the disk is formed by winding the pipe so that the radius of the wound pipe can be reduced when the pipe is wound from the drum toward a predetermined position of the outskirt of the disk. The position where the winding of the pipe starts is one of the predetermined position of the outskirt of the disk and the predetermined position of the outer diameter of a drum at the center of the disk.
Patent KR-20070015011-A (KR)
Title: New polysubstituted 1,1-pyridyloxycyclopropanamine compounds, a process for their preparation and pharmaceutical compositions containing them
Inventor: GOLDSTEIN SOLO
IPC: C07D213/63
Filed: 2006-07-27
Abstract: Polysubstituted 1,1-pyridyloxycyclopropanamine compounds, a preparation process thereof and pharmaceutical compositions containing the same compounds are provided to treat brain aging, neurodegenerative disease, mood disorder and tobacco withdrawal symptoms by specific interaction with a nicotine receptor type alpha4beta2 in the central nervous system. The polysubstituted 1,1-pyridyloxycyclopropanamine compounds represented by the formula(I) are provided, wherein n is an integer from 1 to 6; R1 and R2 are identical or different, and each independently hydrogen atom, linear or branched (C1-C6) alkyl group or aryl-(C1-C6) alkyl group; R3 and R4 are identical or different, and each independently hydrogen atom or linear or branched (C1-C6) alkyl group; and R5 and R6 are identical or different, and each independently hydrogen atom, linear or branched (C1-C6) alkyl, halogen, hydroxy, linear or branched (C1-C6) alkoxy, cyano, nitro, linear or branched (C2-C6) acyl, linear or branched (C1-C6) alkoxycarbonyl, linear or branched (C1-C6) trihaloalkyl or linear or branched (C1-C6) trihaloalkoxy group, or amino group optionally substituted by one or two linear or branched (C1-C6) alkyl group.
Patent KR-20070021914-A (KR)
IPC: H04B7/26
Filed: 2006-08-07
Abstract: 1. 청구범위에 기재된 발명이 속한 기술분야 
     본 발명은 직교 주파수 분할 다중접속 시스템을 위한 주파수 재사용율 분할 방식에 기반을 둔 동적 자원 할당 방법 및 그를 위한 프레임 전송 방법에 관한 것임. 
     2. 발명이 해결하려고 하는 기술적 과제 
     본 발명은 OFDM/FDD 시스템 등을 위해 주파수 재사용율 분할(Frequency Reuse Partitioning) 방식에 근거하여 하나의 셀을 내부 셀(Inner Cell)과 외부 셀(Outer Cell)로 나누는 셀 계획법을 선택하여 셀 반경을 증대시키고, 각각의 사용자로부터 피드백되는 채널 정보 및 각각의 사용자의 공평성(Fairness)을 고려하여 동적으로 서브 채널을 사용자에게 할당하여 시스템의 용량을 증대시키기 위한, 주파수 재사용율 분할 방식에 기반을 둔 동적 자원 할당 방법 및 그를 위한 프레임 전송 방법을 제공하는데 그 목적이 있음. 
     3. 발명의 해결방법의 요지 
     본 발명은 주파수 재사용율 분할 방식에 기반을 둔 동적 자원 할당 방법에 있어서, 주파수 재사용율 분할 방식에 근거하여 셀을 분할하는 셀 분할 단계; 상기 분할한 셀 내에 위치하고 있는 사용자가 현 위치에서 현재까지 할당받는 전송률의 합과 상기 사용자가 요구한 전송률의 비(S/R)를 구하여 채널을 할당받을 채널 할당 후보 사용자를 선정하는 사용자 선정 단계; 상기 선정한 채널 할당 후보 사용자에  대한 거리 정보를 획득하는 사용자 거리 정보 획득 단계; 및 상기 획득한 거리 정보를 이용하여 상기 선정한 채널 할당 후보 사용자가 내부 셀 영역에 있는지 아니면 외부 셀 영역에 있는지를 확인한 후, 내부 셀에 있는 사용자에게는 주파수 재사용율(FRF)이 임계치보다 낮은 서브 그룹 중에서, 외부 셀에 있는 사용자에게는 주파수 재사용율(FRF)이 상기 임계치보다 높은 서브 그룹 중에서 할당할 서브 그룹을 선정하여 상기 선정한 서브 그룹의 서브 캐리어를 할당하는 서브 캐리어 할당 단계를 포함함. 
     4. 발명의 중요한 용도 
     본 발명은 직교 주파수 분할 다중접속 시스템 등에 이용됨. 
       
     OFDMA, FDD, 주파수 재사용률 분할 방식, 동적 자원 할당, 프레임 구성, 다중 사용자 다이버시티
Patent KR-20080015680-A (KR)
Title: Analog to digital converting error recovery apparatus and method
Inventor: SHIN IL HEE
IPC: H04B1/40
Filed: 2006-08-16
Abstract: An analog to digital conversion error restoration device and a method are provided to restore a conversion error generated when an analog signal is converted into a digital signal in a mobile terminal, thereby reducing ADC(Analog to Digital Converter) variations between samples in a modem chip of the mobile terminal. An ADC(122) converts inputted analog signals into digital signals. A modem unit(120) has a port for applying a reference value which becomes an absolute standard for the plural analog signals, and compares values for the plural analog signals with the reference value. If an error is generated, the modem unit(120) calibrates the error on the basis of the reference value. A power manager(110) delivers capacity information of a battery as an analog signal.
Patent KR-20080015682-A (KR)
Title: Device for studying, and education management system through wire/wireless communication network using device, and method therefor
Inventor: LEE CHANG SOOK
IPC: G09B7/00
Filed: 2006-08-16
Abstract: A learning terminal, and a system and a method for managing wired/wireless learning with the same are provided to inspire reliability to parents by providing information about a learning course status and a learning result of a learner to the parents frequently through an SMS(Short Message Service) or an email. A learning paper(100) includes learning contents printed in invisible and encrypted codes. The learning terminal(110) generates learning result information representing the learning result of the learner by reading the codes. A manager terminal(130) is used by a person supervising or coaching the learner. A learning management server(120) provides the manager terminal with a statistical learning analysis result obtained by collecting and analyzing the learning result information statistically. A learning database(122) stores the learning result information and the statistical learning analysis result. The codes printed on the learning paper include more than one of date, and correct answers and examples of problems included in the learning paper.
Patent KR-20080018755-A (KR)
Title: Light emitting device and fabrication method of the same
Inventor: KIM CHANG NAM
IPC: H05B33/04
Filed: 2006-08-25
Abstract: A light emitting device and a fabrication method thereof are provided to improve the lifetime and reliability of the light emitting device by forming a moisture absorbing member functioning as an auxiliary electrode. A light emitting device(300) includes a substrate(310), a thin film transistor(320), a planarizing film(325), a first electrode(330), an insulating film(335), a light emitting unit(340), a second electrode(345), and a moisture absorbing member(350). The thin film transistor is placed on the substrate. The planarizing film is placed on the substrate and has a contact hole on a source or drain electrode of the thin film transistor. The first electrode is placed on the planarizing film and electrically connected to the source or drain electrode of the thin film transistor, which is exposed through the contact hole. The insulating film is placed on the first electrode and has an opening unit. The light emitting layer is placed on the first electrode exposed through the opening unit. The second electrode is placed on the light emitting layer. The moisture absorbing member is placed in a non-light emitting area on the second electrode.
Patent KR-20080019327-A (KR)
Title: Transporting device for inspection of heat pipe of steam generator in nuclear power plant
Inventor: KIM MAN SOO
IPC: G21C17/017
Filed: 2006-08-28
Abstract: A transporting device for inspection of a heat pipe of a steam generator in a nuclear power plant is provided to remove foreign substance and determine an abnormal state by passing between tubes in-bundle with high flexibility and linearity. A transporting device for inspection of a heat pipe of a steam generator in a nuclear power plant includes a transporting case unit(200) having two bending plates(150,160). Center parts of the two bending plates are bent to form a space groove(170) to insert an electronic camera. Cut grooves(140) are formed on a surface of the space groove at regular intervals to bend the surface of the space groove at an angle of about 45 degrees. Transporting gear holes(130) are formed on wing surfaces.
Patent KR-20080019470-A (KR)
Title: Method for correcting image quality of television
Inventor: KIM CHUL MIN
IPC: H04N5/44
Filed: 2006-08-28
Abstract: A method for correcting the display quality in a TV is provided to regulate an output level of an LVDS(Low Voltage Differential Signaling) signal, thereby accurately correcting the display quality of the TV. If a signal is outputted from an LVDS signal output part of an A/D(Analog to Digital) board, it is determined whether an output level of the LVDS signal is a predetermined signal output level(S20). If the output level of the LVDS signal is not the predetermined signal output level, the output level of the LVDS signal is regulated to the predetermined signal output level(S30). The predetermined signal output level is 350 mV.
Patent KR-20080027019-A (KR)
Title: Front panel of car stereo system and car stereo system including the same
Inventor: YOUN DONG HYUN
IPC: G11B20/10
Filed: 2006-09-22
Abstract: A front panel of a vehicle audio system and a vehicle audio system including the same are provided to allow a user to watch DMB in the vehicle without a DMB receiver by embedding a DMB receiving module in the front panel. A front panel of a vehicle audio system comprises a DMB(Digital Multimedia Broadcating) module(110), a control module(100), a display module(130), and a voice output module(120). The DMB module receives DMB data. The control module decodes the DMB data to recover the DMB data into image or voice, and generally controls the front panel. The display module is installed at the front surface of the front panel, and outputs the image. The voice output module outputs the voice data with an auditory analog signal.
Patent KR-20080028656-A (KR)
Title: Apparatus and method for generating reference voltage in data receiver of semiconductor device
Inventor: BAE SEUNG JUN
IPC: G11C5/14
Filed: 2006-09-27
Abstract: An apparatus and a method for generating a reference voltage in a data receiver of a semiconductor device are provided to increase data transmission speed of a singe type parallel data signal transmission system by tracking the variation of the reference voltage according to PVT(Process, Voltage, Temperature) variation and compensating for mismatch per pin. According to an apparatus for generating a reference voltage in a data receiver comparing the reference voltage with an inputted data signal in response to a clock signal, a voltage sampler(510) compares the inputted data signal with a first voltage in response to the clock signal and then outputs the comparison result. A first voltage control block controls the first voltage, on the basis of an output signal of the voltage sampler. A reference voltage control block(530) controls the reference voltage, on the controlled first voltage.
Patent KR-20080029425-A (KR)
Title: Electrostatic chuck
Inventor: KIM PYUNG HO
IPC: H01L21/683
Filed: 2006-09-29
Abstract: An electrostatic chuck is provided to minimize temperature difference of a refrigerant in a cooling line by minimizing a total length of the cooling line. An electrostatic chuck(10) includes a plate, a first cooling line(11), and a plurality of second cooling lines(12). A target is loaded on the plate. The first cooling line is formed along a diameter direction of the plate in the inside of the plate. The second cooling lines are formed in a concentric circle in the inside of the plate. The second cooling lines are connected to the first cooling line. An inflow part(16) is formed at one end of the first cooling line to supply a refrigerant. A collection part(17) is formed at the other end of the first cooling line to discharge the refrigerant to the outside of the electrostatic chuck.
Patent KR-20080032365-A (KR)
Title: Drum washer having function of cabin dryer
Inventor: JEON GYU DONG
IPC: D06F58/04
Filed: 2006-10-09
Abstract: A front loading washing machine having function of a cabin dryer is provided to improve space utilization by inserting a clothes drying chest to a case. A front loading washing machine having function of a cabin dryer comprises a case(31), a tub, a drum, a drying duct, a heater, a blowing fan, a drain duct(44), an inhalation duct(45), a clothes drying chest(50), an opening/closing plate, a rotary motor, and a control unit. The case has an inhalation hole and a drain hole. One end of the drain duct is connected with a drying duct and the other end of the drain duct is connected with the case to communicate with the drain hole. One end of the inhalation duct is connected with the drying duct and the other end of the drying duct is connected with the case to communicate with the inhalation hole. The clothes drying chest which has a drying space wherein clothes is hung is placed on an upper surface of the case, and vertically moves. The opening/closing plate is rotated in the inhalation duct and the drain duct to open and to close the inhalation duct and the drain duct. The rotary motor rotates the opening/closing plate. The control unit control drive of the motor.
Patent KR-20080032706-A (KR)
Title: Cooking device & coating method of the wall for the same
Inventor: SHIM KYU IN
IPC: F24C15/00
Filed: 2006-10-10
Abstract: A cooking device and a method for coating a wall surface thereof are provided to prevent contaminant from easily sticking to the inner wall surface of a cavity of a cooking device by coating the inner wall surface with silicon oil. A cooking device comprises a body(100), a cavity(110) and a spray device(130). The cavity forms a space for heating and cooking a foodstuff to be cooked. The spray device sprays solution having super water repellency onto the inner wall surface of the cavity such that the inner wall surface of the cavity is coated with the solution. The solution contains silicon-based oil. The spray device includes a tank(132) for storing the solution, a nozzle(134) for spraying the solution onto the inner wall surface of the cavity, and a pump(136) for transferring the solution of the tank to the nozzle.
Patent KR-20080034611-A (KR)
Title: Method for preparing clopidogrel hydrogensulfate
Inventor: CHOI JUNG HUN
IPC: C07D495/04
Filed: 2006-10-17
Abstract: A method for preparing clopidogrel hydrogensulfate having dextrorotatory optical activity is provided to improve purity, efficiency and yield of preparation by using a novel intermediate represented by the formula(2), so that the prepared clopidogrel hydrogensulfate is useful for inhibition of platelet coagulation and thrombosis. A method for preparing the clopidogrel hydrogensulfate, (+)-(S)-alpha-(2-chlorophenyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridinyl-5-methyl acetate represented by the formula(1) or pharmaceutically acceptable salts thereof comprises the steps of: reacting (R)-2-hydroxy-2-(2-chlorophenyl) acetate with chlorophosphonium ion represented by the formula(3) at -10 to 5 deg. C to prepare (R)-2-chloro mandelic acid phosphonium ester derivatives represented by the formula(2), in which R is hydrogen atom or C1-C4 alkyl group; X is OP(R1)3; R1 is C1-C4 alkyl group, aromatic ring compound such as phenyl, or substituted aromatic ring compounds such as 4-nitrophenyl, 4-methoxyphenyl or 4-chlorophenyl group; and reacting the compounds represented by the formula(2) with 4,5,6,7-tetrahydrothieno[3,2-c]pyridine at 20-90 deg. C for 1-5 hours.
Patent KR-20080047088-A (KR)
Title: Data driver and liquid crystal display using thereof
Inventor: PARK KEUN WOO
IPC: G09G3/20
Filed: 2006-11-24
Abstract: A data driver and an LCD(Liquid Crystal Display) device are provided to reduce the size of a drive IC(Integrated Circuit) by implementing a configuration for dot inversion including amplifiers for outputting positive and negative voltages. A data driver includes first and second amplifiers, and switch units(151-156). The first and second amplifiers, of which output stages are connected to first and second data lines, output positive and negative voltages, respectively. The switch units connect the output stage of the first amplifier to the first data lines and the output stage of the second amplifier to the second data lines in response to switching signals. The switch units include PNP and NPN transistors, which are driven in response to the switching signals.
Patent KR-20080048744-A (KR)
Title: Method for correcting a speed of a vehicle
Inventor: LEE HO YOUNG
IPC: B60W50/04
Filed: 2006-11-29
Abstract: A vehicle speed correcting method is provided to operate and control a vehicle stably by calculating the exact vehicle speed on the basis of vehicle speed calculated in a wheel speed sensor even if the radius of a tire is changed in excluding a vehicle speed sensor. A vehicle speed correcting method comprises the steps of: calculating first vehicle speed(V1) by using a first speed signal and a tire radius by receiving the first speed signal from an output or input rotation sensor(PG-B,PG-A)(S12,S13,S14); receiving second vehicle speed(V2) calculated in an ECU(Engine Control Unit) by receiving a second speed signal of a wheel speed sensor(S21,S22); computing an error rate((V1-V2)/V1) of second vehicle speed for first vehicle speed, calculating the corrected tire radius by multiplying the tire radius by the error rate until the error rate becomes below a set value, and repeatedly calculating the error rate by using the corrected tire radius, first vehicle speed, and second vehicle speed(S15,S16,S17); and storing the finally corrected tire radius(S18).
Patent KR-20070007746-A (KR)
Title: Method and apparatus for photomask plasma etching
Inventor: KUMAR AJAY
IPC: H01L21/027
Filed: 2006-12-14
Abstract: A method and an apparatus of a photomask plasma etching are provided to enhance a lithography photomask etching by using an ion shield that includes a planarized quartz disk and three screw-type holes. An ion shield(170) divides a processing region limited on a substrate that is supported on a substrate supporting pedestal in a plasma processing chamber. A planarized quartz disk(172) has a plurality of openings(174). A diameter of the planarized quartz disk is greater than that of the substrate. Three screw-type holes are arranged around a periphery of the planarized quartz disk. Three legs(176) support the planarized quartz disk in a direction parallel with the substrate supporting pedestal. Each of the legs has a thread cross section meshing with the screw-type hole.
Patent KR-20060072128-A (KR)
Title: Display device with spacers and seals and the method of manufacture thereof
Inventor: SLIKKERVEER PETER J
IPC: G02F1/1337
Filed: 2004-08-17
Abstract: Using lithographic spacers (6) and seals (12) in e.g. LCD a first adhesion of the substrates (2,3) is obtained by incomplete solidifying (both physical or chemical) of the resin used for the spacers and/or the polyimide used for the seal. Final solidifying of the spacers may take place during solidifying of the seal afterwards or simultaneously.
Patent KR-20060027416-A (KR)
Title: Method of purifying nucleic acid using nonwoven fabric and detection method
Inventor: KANNO KIMIYOSHI
IPC: C07H1/06
Filed: 2002-07-09
Abstract: A method of separating and purifying a nucleic acid from a sample containing cells such as blood or a liquid culture medium. In this method, a cell extract obtained by disrupting cell is adsorbed by a filter made of a nonwoven fabric and, after washing the filter, the nucleic acid is eluted therefrom. The nucleic acid may be eluted under alkaline conditions (pH 12 or higher). It is also possible to elute the nucleic acid by treating the nucleic acid adsorbed by the filer with active oxygen or using a surfactant. Nucleic acids separated and purified by the above method are usable in nucleic acid amplification or base sequence analysis techniques.
Patent KR-20060111466-A (KR)
Title: Quinoxaline compounds
Inventor: EDWARDS JAMES P
IPC: A61P29/00
Filed: 2004-09-29
Abstract: Quinoxaline compounds, compositions, methods of making them, and methods of using them in leukocyte recruitment inhibition, in modulating an H4 receptor, and in treating conditions such as inflammation, H4 receptor-mediated conditions, and related conditions. Formula (I): wherein B is, independently from other member and substituent assignments, N or CR 7; Y is independently from other member and substituent assignments, O, S or NH; n is, independently from member and substituent assignments, 1 or 2.