baber/WOPTO huggingface dataset:
Patent KR-20050001022-A (KR)
Inventor: CHA SEON YONG
IPC: G11C11/15
Filed: 2003-06-25
Abstract: PURPOSE: A Magnetic random access memory is provided to reduce effective area of the unit cell by storing multi-bits by using two MTJ(Magnetic Tunnel Junction) cells per each one cell. CONSTITUTION: A Magnetic random access memory comprises the first MTJ(Magnetic Tunnel Junction) cell(20), the second MTJ cell(21), read word line(22) enabled during the reading of data, bit line(23) for transferring read/write data, the first write word line(24), the second write word line(25), and a Field Effect Transistor(26) being switched according to an enable state of the read word line. A drain of the Field Effect Transistor(26) is connected with the first MTJ cell(20), a source is connected with a ground, and a gate is connected with the read word line(22). And the first MTJ cell(20) is connected with the second MTJ cell(21) through a buffer metal layer(35). The first MTJ cell(20) is connected with the first write word line(24), and the second MTJ cell(21) is connected with the second write word line(25). The ferromagnetic thin film of the first MTJ cell(21) is connected with the bit line(23). This invention uses two MTJ cells per one unit cell, so it can store four different level of current according to a magnetic direction of two MTJ cells(20,21) and store two bits.
Patent KR-20050005284-A (KR)
Inventor: LEE MYUNG HEE
IPC: B22D11/041
Filed: 2003-07-01
Abstract: PURPOSE: To provide a continuous-continuous casting method of two or more steels in the same tundish, wherein two or more steel slabs are produced in one tundish without exchange to reduce slab manufacturing cost by increasing the number of continuous-continuous castings and improve productivity and prevent safety accident by suppressing trouble during casting operation. CONSTITUTION: In a continuous-continuous casting method for continuously producing slabs by supplying refined molten steel into tundish(8) using a ladle(1) and supplying the supplied molten steel of tundish into a mold(10) of continuous casting machine, the continuous-continuous casting method of two or more steels in the same tundish comprises the steps of simultaneously reducing casting speed of the mold, closing a molten steel outlet of the tundish by a tundish molten steel outlet opening and closing means, supplying an inert gas into the molten steel outlet and injecting a mixed band(30) onto the upper surface of molten steel of the mold so that the mixed band covers molten steel of the mold if 2/3 or more molten steel in the tundish supplied from the ladle is supplied to the mold of the continuous casting machine when type of molten steel of the ladle to supplied to the tundish is different from type of molten steel in a waiting ladle that has to be continuously supplied to tundish afterwards; ascending the tundish to the upper side in succession; and stopping supply of the inert gas while supplying molten steel in the waiting ladle into the tundish, opening the closed molten steel outlet of the tundish, thereby supplying molten steel of the tundish into the mold so that molten steel is cast, and turning back the ascended tundish to the original position at the same time.
Patent KR-20050003896-A (KR)
Inventor: SIN DONG MIN
IPC: H01L21/304
Filed: 2003-07-04
Abstract: PURPOSE: A cleaning solution circulation apparatus in a semiconductor manufacturing system is provided to improve a filtering function by installing a bubble remover at a rear end of a pump of a wafer cleaning apparatus and/or at an additional cleaning solution supply tube. CONSTITUTION: A cleaning bath(110) is used for storing a cleaning solution into which a wafer is dipped. A pump(120) is connected to the cleaning bath in order to absorb the cleaning solution. A filter(140) is used for filtering impurities from the cleaning solution. A heater(150) is used for heating the filtered cleaning solution. A bubble remover(130) is installed between the pump and the filter in order to catch particles and bubbles.
Patent KR-20050007720-A (KR)
Title: Method and Apparutus for testing electronic device using remote controller
Inventor: GU HYUN SUNG
IPC: G01R31/00
Filed: 2003-07-11
Abstract: PURPOSE: A system for testing an electronic device and a method for testing the same are provided to test the remote controller and the electronic device regardless of the transmission range of the carrier frequency. CONSTITUTION: A system for testing an electronic device includes a remote control signal receiving unit, a remote control signal storage unit(200), a remote control signal selection unit and a remote control signal output unit. The remote control signal receiving unit receives the remote control signal transmitted from the remote controller. The remote control signal storage unit performs the sampling for the received remote control signal into the predetermined frequency and stores the sampled remote control signal by each function. The remote control signal selection unit selects one of the remote control signals stored at the remote control signal storage unit. And, the remote control signal output unit outputs the signal selected by the remote control signal selection unit to the electronic device.
Patent KR-20050008018-A (KR)
Inventor: KWON YOUNG WON
IPC: B65D81/18
Filed: 2003-07-14
Abstract: PURPOSE: Provided is a absorbent pad for absorbing food liquid, which is provided with excellent antibacterial property and absorbing rate by using non-woven fabric containing antibacterial substances alone or laminate of the non-woven fabric and tissue layer. CONSTITUTION: In a absorbent pad for absorbing liquid from food which consists of a top sheet(10), a back sheet(30) and an absorbent material layer(20) disposed between the top sheet and the back sheet, the top sheet and the back sheet consists of a non-woven fabric(11,31) containing antibacterial substances alone or a laminate of the non-woven fabric and tissue layer(12,32), and the absorbent material layer consists of at least two selected from pulp, thermoactive fiber, absorbent filament and powdery or granular absorbent resin. The content of the antibacterial substance in non-woven fabric is from 0.1 to 3.0% by weight.
Patent KR-20050011137-A (KR)
Inventor: LEE HYUN GOO
IPC: F25B41/04
Filed: 2003-07-22
Abstract: PURPOSE: An expansion device of an air conditioner is provided to simplify the assembly process, to minimize the air of the expansion device and the air conditioner, and to minimize noise generated in passing refrigerant through an expansion passage by shielding the noise by a refrigerant tube. CONSTITUTION: An expansion device(65) of an air conditioner is composed of a refrigerant tube(70) for passing refrigerant; an expansion tube(80) having two ends separated from each other and communicated with the refrigerant tube; a short tube orifice(90) disposed movably in the refrigerant tube to seal one communicating end of the expansion tube; a first stopper(100) arranged between each communicating end(76,78) of the expansion tube to hang the short tube orifice between two communicating ends of the expansion tube; and a second stopper(110) installed at the side of one communicating end of the expansion tube to hang the short tube orifice in the position for closing one communicating end of the expansion tube.
Patent KR-20050015610-A (KR)
Inventor: GO GUN HO
IPC: D06M23/00
Filed: 2003-08-07
Abstract: PURPOSE: A coating method of nano-fiber is characterized by using an electric spinning method, increasing productivity and improving quality of finished products. The nano-fiber is useful for materials of a filter and materials for medical treatment. CONSTITUTION: A coating device of nano-fiber using an electric spinning method is as follows: many nozzle plates(2) which are arranged to make nozzles(3) set alternately, containing the nozzles and grooves for keeping a spinning solution; and the nozzles set in a diagonal direction of a connecting side of the nozzle plate. A coating method of the nano-fiber is as follows: supplying the spinning solution of a fixed quantity to the nozzle plates; maintaining the same maximum height of the spinning solution in keeping as height of an inlet of the nozzle; and then regulating an angle formed between the nozzle and a perpendicular line to non-woven fabric(A) into 0-20degrees.
Patent KR-20050018381-A (KR)
Inventor: KWON YOUNG SHIN
IPC: H04N5/335
Filed: 2003-08-12
Abstract: PURPOSE: A solid state imaging semiconductor device is provided to reduce the thickness and mounting area of a solid state imaging semiconductor device by forming an opening part in a circuit board and by positioning a solid stage imaging semiconductor chip or an image processing semiconductor chip in the opening part. CONSTITUTION: A solid state image lens(370) is attached to a lens attach part(390). An opening part is formed in a predetermined portion of a circuit board(300) attached to the lower part of the lens attach part. A solid state imaging semiconductor device converts the light from the solid state image lens into an image signal, positioned in the vertical lower part of the solid state image lens. The circuit board and the solid state imaging semiconductor chip(350) are electrically connected by the first electrical connection unit(360).
Patent KR-20040030276-A (KR)
Inventor: YAMADA KAZUHIRO
IPC: C23C18/12
Filed: 2003-08-27
Abstract: PURPOSE: A method for forming a porous silica film is provided, to improve mechanical strength by using a nonionic surfactant having relatively high surface tension. CONSTITUTION: The method comprises the steps of mixing a hydrolyzable alkoxysilane compound, water, an alcohol and a surfactant to prepare a mixture solution; coating the mixture solution on the surface of a substrate; and degrading or removing the surfactant in the mixture solution, wherein the surfactant is at least one nonionic surfactant having a surface tension of 45 mN/m or more at a concentration of 0.1 wt% and a temperature of 25 deg.C by Du Nouy method. Preferably the nonionic surfactant comprises a polyoxyethylene-polyoxypropylene condensate represented by OH(CH2CH2O)x(CH(CH3)CH2O)y(CH2CH2O)xH, wherein x and y are an integer and satisfy 1 <=x<=185 and 5<=y<=70.
Patent KR-20050022810-A (KR)
Inventor: HWANG SUNG HEE
IPC: G11B20/12
Filed: 2003-08-30
Abstract: PURPOSE: A write-once information storage medium, a method for updating data recording state information stored in the write-once information storage medium, and a drive thereof are provided to reduce the number of recording units used for recording data recording state information, thereby more effectively using a data recording area. CONSTITUTION: Data is recorded at one of plural recording layers(LO). File system information updated when the data is recorded is recorded at the recording layer(LO). Data recording state information related to the recording layer(LO) updated according to the file system information is recorded. When recording the updated file system information, the updated file system information is recorded in a next position of the recorded data.
Patent KR-20050028189-A (KR)
Title: Projection display
Inventor: KURATOMI YASUNORI
IPC: G03B21/26
Filed: 2003-09-17
Abstract: A projection-type image display apparatus is provided to reduce the size of the apparatus and to elongate lifetime by using a small-sized optical source like LED. A projection-type image display apparatus includes an optical modulating element(200) and a projection optics(300). The optical modulating element modulates an incident light from a lighting unit(100) according to image data. The projection optics magnifies and projects the output light from the optical modulating element. The lighting unit includes three integrator modules(150R,150G,150B) which radiate red, greed, and blue light with homogeneous intensity, respectively. Each of the integrator modules includes at least one small-sized optical source and a glass rod. The glass rod converts the incident light from the small-sized optical source to a light with homogeneous light intensity. The glass rod includes an incident portion and an output portion. A first reflective surface which collimates the incident light is provided on the incident portion. The small-sized optical source is disposed near the first reflective surface.
Patent KR-20050028450-A (KR)
Title: A manufacturing method of construction materials of discard plastics
Inventor: KIM IN SOO
IPC: B29B17/00
Filed: 2003-09-18
Abstract: Provided is a method for manufacturing construction materials from waste synthetic resin, which recycles waste synthetic resin and selectively produces eco-friendly products by selecting additives according to property or usage of a sample. The method for manufacturing construction materials from waste synthetic resin consists of the steps of: melting waste synthetic resin like PVC, PS, ABS, PU, PP, PE, and so on in a batch process; analyzing its ingredients in a lot unit; making pellets; and mixing 45-48wt% of the synthetic resin pellets, 10wt% of sawdust having a mesh size of 50-100, 30wt% of quartz porphyry powder, 4.5wt% of zeolite powder, 4.5wt% of heat resistant materials, 2wt% of vesicants, and 1-4wt% of a plasticizer or a hardener to be injected or pressed.
Patent KR-20040047555-A (KR)
Inventor: SUZUKI YUUJI
IPC: C09D11/00
Filed: 2003-09-19
Abstract: PURPOSE: An ink, its preparation method, a mixture and a printed product obtained by using the ink are provided, to improve working environment (mass printing property) even under common equipment and to inhibit the deterioration of mirror face gloss and the generation of printing spot. CONSTITUTION: The ink comprises 100 parts by weight of an aluminium foil which contains 75 % or more of an aluminium foil piece having a thickness of 0.5 micrometers or less and an area of 20-2,000 square micrometer; 3-200 parts by weight of a binder; and 600-4,000 parts by weight of a solvent, wherein the solvent contains 20 wt% or more of 3-methyl-3-methoxy-1-butanol. The mixture comprises an aluminum foil which contains 75 % or more of an aluminum foil piece having a thickness of 0.5 micrometers or less and an area of 20-2,000 square micrometer; and a solvent which contains 20 wt% or more of 3-methyl-3-methoxy-1-butanol. The printed product is obtained by printing on a transparent substrate by using the ink.
Patent KR-20050028722-A (KR)
Title: Lithium ion secondary battery
Inventor: CHUNG GEUN CHANG
IPC: H01M2/04
Filed: 2003-09-19
Abstract: Provided is a lithium ion secondary battery to allow micro arc welding to be applied without inducing the damage to the inside of a battery due to heat, thereby reducing the generation of defect and a manufacturing cost. The lithium ion secondary battery comprises a can(110) which contains the space whose upper part is open in the inside and a flange projected towards the outside at the upper terminal; a cap(120) which has a contact plane facing the flange; and an electrode body which comprises a positive electrode plate and a negative electrode plate and is inserted into the can, wherein a closed container is formed by micro arc welding the outer surface of the flange and the outer surface of the cap. Preferably the terminal(130) connected with any one selected from the positive electrode plate and the negative electrode plate penetrates the side wall of the can or the cap to be projected outwards.
Patent KR-20030086470-A (KR)
Inventor: LEE BU HEE
IPC: D02G3/34
Filed: 2003-09-22
Abstract: PURPOSE: A manufacturing method of fancy yarn having elasticity and a beautiful appearance is provided. CONSTITUTION: The fancy yarn is manufactured with an existing fancy twister added span rollers(21,22), a change gear A, a change gear B and motor gears. The fancy yarn is obtained by the steps of: supplying core yarn(a) to a spindle(40) with back rollers(11,12); supplying floating yarn(b) to the spindle(40) with front rollers(31,32); and then supplying spandex yarn to the spindle(40) with the span rollers(21,22). A tension ratio of the core yarn(a) and the spandex yarn is 1:1.5 - 1:3.5.
Patent KR-20050030781-A (KR)
Title: Method and apparatus for providing power to multiple antennas of automatic fare collection system
Inventor: JEONG BYEONG CHEON
IPC: G07B15/00
Filed: 2003-09-26
Abstract: A method and an apparatus for providing the power to the multiple antennas of automatic fare collection system are provided to prevent the distortion of interference in response to the simultaneous power supply of the antenna by selectively supplying the power to only one antenna. An apparatus for providing the power to the multiple antennas of automatic fare collection system includes a power supplying unit(200) and a controller(100). The power supplying unit(200) supplies the power by selecting one among a plurality of antennas. The controller(100) controls the power supplying units(200) so as to select one among the plurality of antennas. The power supplying units(200) are provided with an RF module or an ASIC. And, a plurality of the power supplying units(200) exist corresponding to the plurality of antennas or one power supplying units(200) is connected to the plurality of antennas respectively to manage integrally.
Patent KR-20030084822-A (KR)
Inventor: WON TAE YOUNG
IPC: G02F1/13
Filed: 2003-09-30
Abstract: PURPOSE: A system for analyzing the light transmissivity of a liquid crystal cell and a method thereof are provided to calculate a light transmissivity according to observation direction for a liquid crystal display panel and output files of the calculation controllable, thereby optimizing the electric and optical characteristics of the liquid crystal cell. CONSTITUTION: A method for analyzing the light transmissivity of a liquid crystal cell includes the steps of re-defining alignment state of liquid crystal cells for calculating a light transmissivity(101), stacking upper and lower substrates(102), and receiving user's information analyzing the stacked structure(103). As for the structure, a light transmissivity is calculated by extended Jones matrix and fast 4x4 Berreman matrix(104). The calculated light transmissivity is output in the file format, and the light transmissivity is read out visually from the file by the graphic processor(106).
Patent KR-20050036070-A (KR)
Inventor: PARK HAN YOUNG
IPC: F02B53/00
Filed: 2003-10-15
Abstract: 본 발명은 주축에 의해 연동되는 크랭크로서 베인을 균일하게 동작시켜 로터와의 간극을 일정하고 기밀성 있게 유지시킴으로써 압축효율을 극대화하는 것은 물론이고, 항상 균일한 압축력을 제공할 수 있도록 한 로터리 구동장치에 관한 것으로서, 
     특히, 본 발명은 상기 주축에 이를 따라 회전되는 크랭크부재를 설치한 다음, 그 단부에 크랭크 아암과, 상기 크랭크 아암을 따라 회전하는 크랭크축에 캠을 설치하여 상기 캠의 작동에 따라 베인이 로터와 대응되게 한 것을 특징으로 한다. 
     또한, 본 발명은 상기 주축을 따라 회전되는 크랭크부재를 Y형상으로 형성하여 일측 지지로드에는 주축과 연결하고 나머지 두 분기로드에는 크랭크 아암과, 상기 크랭크 아암에 따라 회전하는 크랭크축, 그리고 상기 크랭크축과 연동되는 캠 등을 각각 설치하여 상기 캠의 작동에 따라 두개의 베인이 로터와 대응되게 한 것을 특징으로 한다.
Patent KR-20050036544-A (KR)
Inventor: KIM SANG HYUN
IPC: G02F1/1335
Filed: 2003-10-16
Abstract: 본 발명은 저마스크 기술을 적용한 반투과형 액정표시소자 및 그 제조방법에 관한 것으로서, 본 발명에 의한 반투과형 액정표시소자는 기판 상에 교차 배치되어 화소영역을 정의하는 복수개의 게이트 배선 및 데이터 배선과, 상기 게이트 배선과 데이터 배선의 교차 부위에 형성된 박막트랜지스터와, 상기 박막트랜지스터의 반도체층과 동시에 형성되는 요철씨드패턴과, 상기 박막트랜지스터의 드레인 전극에 접속되고 상기 요철씨드패턴에 의해 반사요철을 가지는 반사전극을 포함하여 구성되는 것을 특징으로 한다.
Patent KR-20050036593-A (KR)
Inventor: YUN BONG KI
IPC: H04L12/26
Filed: 2003-10-16
Abstract: 본 발명은 외부 전송시스템으로부터 통신신호를 수신하고 그에 따른  회선연결 및 해제 명령을 해당 포트장비로 전송하는 회선처리명령 전송단계와, 상기 회선처리명령 전송단계에 의해 회선연결명령신호를 입력받았을 경우 설정된 회선의 연결을 수행한 다음 해당 포트에 대한 경보 모니터링을 자동으로 수행하는 회선연결 및 자동경보모니터링 설정단계와, 상기 회선처리명령 전송단계에 의해 현재 연결된 회선의 연결을 해제한 후 해당 포트에 대한 경보 모니터링기능도 자동으로 해제시키는 회선 및 경보모니터링 해제단계로 이루어진 통신시스템의 회선 자동처리방법을 제공한다. 
     상기와 같은 본 발명은 통신시스템의 회선 스위칭시 회선선택연결이나 해제와 동시에 각 계위별로 경보검출이나 해제기능을 처리하므로써, 운용자가 별도로 조치를 하지 않아도 연결회선의 경보검출이나 경보해제가 자동으로 처리되므로 그에 따라 통신시스템의 회선처리의 기능성을 극대화시킬 수 있음은 물론 경보검출을 위해 특별한 부가 장치를 부착할 필요없이 회선을 관리하게 되므로 그에 따라 통신시스템의 회선에 따른 유지보수성도 상당히 향상시킨다.
Patent KR-20040040344-A (KR)
Inventor: FUJIYOSHI TATSUMI
IPC: G09G3/36
Filed: 2003-10-24
Abstract: PURPOSE: A source follow circuit for reducing the loss of an output end and a device for driving an LCD(Liquid Crystal Display) are provided to embody the low consumption power of the entire LCD by reducing the loss of the output end. CONSTITUTION: If a set signal is high, a gate-source voltage(Vgs(pre)) is held in an input capacitor(Cin). If the set signal is low and a write signal is high, an nMOS transistor(20) performs a source follow operation. The nMOS transistor is in a stable state while charging a load capacitor(Cload). The set signal and the write signal are low when the writing to the load capacitor is completed. A write voltage is held in the load capacitor. A minute bias current(I1) is perfectly stopped by compulsorily turning off current sources(21,22) to perfectly remove current consumption.
Patent KR-20050039205-A (KR)
Inventor: MOON KIL MIN
IPC: F02F1/16
Filed: 2003-10-24
Abstract: 본 발명은 실린더블록과 라이너 사이에 액체금속층(수은층)을 삽입하여 기존의 억지끼움 체결방식에 기인한 실린더블록과 라이너 접촉면 사이의 접촉열저항을 없앰으로써, 라이너에서 블록으로의 열전도율을 높여 실린더블록의 냉각성능을 높이고, 라이너의 열팽창에 의해 블록에 가해지는 압력을 액체금속층(수은층)에서 흡수 분산함으로써, 블록부의 균열을 방지할 수 있는 액체금속층(수은층)을 포함하는 실린더블록을 제공한다.
Patent KR-20050039307-A (KR)
Inventor: LEE KYUNG HOON
IPC: H02H7/09
Filed: 2003-10-24
Abstract: 본 발명은 모터의 과전압 보호회로에 관한 것으로, 3상 교류전원을 사용하는 인버터에서 BLDC등과 같은 모터 제동시, 역기전력으로 직류링크단 전압이 상승하는 경우가 발생하는데, 이와같은 과전압 이상 현상이 발생할 경우 상기 직류링크단과 제어전원측을 절연시키면서, 직류링크단의 과전압을 감지하여 이를 방전시킴으로써, 과전압에 의한 모터의 인버터 직류링크단 손상을 방지하도록 한 것이다. 이를 위하여 본 발명은 상용교류전원을 정류하는 정류부와; 상기 정류부의 정류신호를 평활하여 인버터에 직류링크전압을 인가하는 직류링크단과; 상기 정류부와 직류링크단에 위치하여, 상기 직류링크단의 직류링크전압을 감지하여 그 직류링크 전압이 일정값 이상 상승하면, 상기 직류링크전압을 방전시켜 직류링크단을 보호하는 과전압보호기를 포함하여 구성한다.
Patent KR-20050042702-A (KR)
Inventor: TAKASHI NOGUCHI
IPC: H01L21/00
Filed: 2003-11-04
Abstract: 폴리 실리콘막 형성 방법, 이 방법으로 형성된 폴리 실리콘막을 구비하는 박막 트랜지스터 및 그 제조방법에 관해 개시되어 있다. 개시된 본 발명은 기판 상에 적층된 제1 열전도막, 상기 제1 열전도막 상에 적층된, 상기 제1 열전도막보다 열전도도가 낮은 제2 열전도막, 상기 제2 열전도막과 상기 제2 열전도막 양쪽의 상기 제1 열전도막 상에 적층된 폴리 실리콘막 및 상기 제2 열전도막을 덮는 상기 폴리 실리콘막 상에 적층된 게이트 적층물을 구비하는 것을 특징으로 하는 박막 트랜지스터 및 그 제조방법을 제공한다. 상기 제2 열전도막은 상기 제1 열전도막 상에 형성되는 대신, 상기 제1 열전도막의 일부와 대체될 수 있다. 상기 폴리 실리콘막은 상기 제1 및 제2 열전도막 상에 형성된 비정질 실리콘막에 엑시머 레이저광을 한번 조사하여 형성한 것이다. 또한, 상기 게이트 적층물은 상기 폴리 실리콘막의 채널영역으로 사용된 부분의 아래쪽에 구비될 수 있다.
Patent KR-20050051129-A (KR)
Inventor: PARK DO SIK
IPC: E01F9/06
Filed: 2003-11-27
Abstract: 본 발명은 완충식 도로 표지병, 특히, 차량 주행 중 운전자에게 차로(중앙선 및 차선 등)의 식별을 용이하게 할 수 있을 뿐만 아니라, 차량의 압력에 의해 표지병이 파손되는 것을 방지함과 동시에 차량 주행 중 표지병을 눌렀을 때, 표지병에 의해 차량의 조향 장치에 가해지는 악영향을 최소화할 수 있도록 반사구가 상하로 이동하는 한편, 반사구가 차량의 잦은 이동에 의한 압력에 대해서도 용이하게 상하로 이동할 수 있도록 하는 완충식 도로 표지병에 관한 것으로서, 본 발명 완충식 도로 표지병에 의하면, 차량 주행 중 운전자에게 차로(중앙선 및 차선 등)의 식별을 용이하게 할 수 있을 뿐만 아니라, 차량의 압력에 의해 표지병이 파손되는 것을 방지함과 동시에 차량 주행 중 표지병을 눌렀을 때 표지병에 의해 차량의 조향 장치에 가해지는 악영향을 최소화할 수 있도록 반사구가 상하로 이동하는 한편, 반사구가 차량의 잦은 이동에 의한 압력에 대해서도 용이하게 상하로 이동할 수 있으며, 제설차량의 제설 작업시 표지병의 각도를 완만하게 하여 파손되는 것을 방지할 수 있고, 운전자로 하여금 눈이나 우천시 중앙선의 식별력을 향상시켜 교통사고 등을 미연에 방지할 수 있다는 아주 뛰어난 효과가 있다.
Patent KR-20050051221-A (KR)
Inventor: JEE HYUNG KEUN
IPC: G06F15/00
Filed: 2003-11-27
Abstract: 본 발명에 의한 생체정보를 이용한 인증서 발급 및 사용자 인증 방법은 사용자 생체정보를 입력받은 후 처리하여 스마트카드에 제1생체정보로 등록하고, 상기 등록이 성공하면 스마트카드에서 개인키와 공개키를 생성하여 상기 공개키를 인증기관에 송신하는 단계; 상기 인증기관으로부터 수신하는 인증서와 상기 개인키를 스마트 카드에 저장하는 단계; 상기 스마트 카드에 저장된 제1생체정보와 상기 스마트카드를 사용하는 자로부터 획득한 제2생체정보를 비교하여 인증을 수행하는 단계; 상기 인증이 성공하면 상기 개인키를 복호하는 단계; 및 상기 개인키를 기초로 전자서명을 하여 상기 인증서와 함께 인증기관으로 송신하는 단계;를 포함하는 것을 특징으로 하며, 생체 인식 스마트카드에 인증서를 저장함으로써, 인증서를 안전하게 휴대하여 편리하게 이용할 수 있도록 하고, 또한 인증서 사용시 사용자가 비밀 번호를 입력하는 방식 대신 생체 정보를 이용한 인증을 수행하고 인증 성공 시에만 등록된 생체 정보에서 비밀 번호를 추출하여 사용하고 바로 지워짐으로써 비밀번호의 노출로 인한 도용을 막아 보다 신뢰성 있는 인증을 가능케 하는 효과가 있다.
Patent KR-20050051349-A (KR)
Inventor: WON JONG HAK
IPC: H01L27/02
Filed: 2003-11-27
Abstract: 본 발명은 비트라인 센스앰프블록의 레이아웃구조에 관한 것이다. 
     본 발명은 메모리블럭들과; 비트라인쌍들과; 비트라인 감지증폭블럭들;을 포함하여 구성되는 반도체메모리장치에 있어서, 상기 각 비트라인 감지증폭블럭은: 제 1 및 제 2 PMOS트랜지스터로 이루어지는 PMOS감지증폭블록과; 제 1 및 제 2 NMOS트랜지스터로 이루어지는 NMOS감지증폭블록과; 상기 PMOS감지증폭블록과 상기 NMOS감지증폭블록 사이에 배치되는 IO라인과 IO바라인으로 구성된 IO라인쌍과; 상기 비트라인쌍들 중 어느 하나와 상기 IO라인쌍을 연결하는 제 1 IO스위치 및 제 2 IO스위치;를 포함하며, 상기 제 1 PMOS트랜지스터의 게이트영역, 상기 제 1 NMOS트랜지스터의 게이트영역, 상기 제 1 IO스위치는 각각 상기 제 2 PMOS트랜지스터의 게이트영역, 제 2 NMOS트랜지스터의 게이트영역, 상기 제 2 IO스위치에서 상기 비트라인상의 어느 일방향으로 각각 소정의 거리 ΔP, ΔN, ΔI를 두고 배치되는 것을 특징으로 한다.