baber/WOPTO huggingface dataset:
Patent KR-20000017995-A (KR)
Inventor: YANG HEE BONG
IPC: A61B1/04
Filed: 2000-01-03
Abstract: PURPOSE: A medical camera is provided which can adjust the focus of a lens easily during photographing the object and prevent the pollution of the lens during adjusting the focus of a lens. CONSTITUTION: In medical camera, the focus of a lens is adjusted by the horizontal shift of an image cognition element. That is to say, the focus is adjusted as the control the distance between image cognition element and lens by the rotation of a spacing control part(54) since one side of a first guide cavity(44) and a second guide cavity(46) attached to the feed bracket(40) which the image cognition element is fixed therein, is coupled to a second binding cavity and the third binding cavity of a body(30), the other side thereof is inserted into a guide pin(68) fixed to a fourth binding cavity(60) and a fifth binding cavity(62) movably, and the screw shank(52) of the spacing control part(54) is engaged with the screw cavity(42) of the feed bracket(40).
Patent KR-20010068906-A (KR)
Title: Vinyl automatic vending machine.
Inventor: SON YOUNG SUK
IPC: G07F11/00
Filed: 2000-01-10
Abstract: PURPOSE: A plastic bag vending machine for conveniently providing various kinds of plastic bag to consumers at a site adjacent to one's residence in order to meet various tastes of consumers. CONSTITUTION: When a consumer pushes a selection button, a withdrawing means (18) is rotated so that a plate (22) installed movably at the lower part of a plastic bag receiving chamber (26) for preventing discharge of the plastic bag is opened. Right after discharging the plastic bag corresponding to cash input, a solenoid valve (21) regulates an interrupter (24) to exactly control the number of plastic bag to be vented. In the case that the bottom side of a casing (25) is closed with upwardly drawing the plate (22), the solenoid valve operated by electric force draws the interrupter so that the plastic bag is placed between the interrupter (24) and the plate (22) for the next vent.
Patent KR-20010069015-A (KR)
Title: Device for preventing overheatof display appliance
Inventor: NOH YEONG HYEON
IPC: G03B21/16
Filed: 2000-01-11
Abstract: PURPOSE: An overheating prevention device for an image display system is provided to sense both normal and abnormal temperatures of the image display system by mounting a temperature sensor formed of two metal conductors of which materials are different from each other, for turning off a power supply part automatically when the temperature of the system is higher than a set temperature, thereby preventing the damage of the parts and improving the reliability of the system. CONSTITUTION: An overheating prevention device for an image display system includes a power supply input part(1) for inputting external power, a rectifier part(2) for rectifying the input power, an SMPS(Switch Mode Power Supply) transformer(T1) for applying the rectified power to respective parts, a temperature sensing part(4) for sensing a change of temperature in the image display system when the respective parts operate in response to the power supply via the SMPS, a temperature sensing voltage control part(5) for driving a photocoupler when the internal temperature sensed by the temperature sensor is higher than a set temperature, the photocoupler(OT1) to be turned on/off according to a control signal output from the temperature sensing voltage control part, and a power switch control part(6) for controlling the power supply part to operate or stop operating according to the on/off operation of the photocoupler.
Patent KR-20000053609-A (KR)
Title: High-durability ink containment unit for use in an ink delivery system
Inventor: HARVEY JAMES A
IPC: B41J2/175
Filed: 2000-01-26
Abstract: PURPOSE: A specialized ink containment vessel for use in an ink delivery system which is resistant to the corrosive effects of ink is provided. CONSTITUTION: An ink containment vessel (12, 172) characterized by improved resistance to the corrosive effects of ink (32), the ability to prevent air entry into the ink (32), and enhanced dimensional stability. The system also avoids the evaporative loss of volatile components from the ink supply (32). The ink containment vessel (12, 172) is produced from polyethylene naphthalate, at least one liquid crystal polymer, or polyethylene naphthalate combined with at least one liquid crystal polymer. The storage of ink (32) within vessels (12, 172) made from the specialized materials listed above offers multiple benefits as previously noted and substantially improves the operational efficiency of the entire ink delivery system (10, 170).
Patent KR-20010077392-A (KR)
Title: Apparatus for sensing robot chuck working in cleaning facility of semiconductor
Inventor: KANG JEONG HO
IPC: H01L21/304
Filed: 2000-02-02
Abstract: PURPOSE: An apparatus for detecting operation of a robot chuck of semiconductor cleaning equipment is provided to prevent damage to a wafer, by making a sensor smoothly detect an operation according to a transfer of a cam plate, and by precisely controlling the operation of the robot chuck by the sensor. CONSTITUTION: The first detection unit includes a bar set up in an end portion of a driving axis(12,14) and a sensor for detecting the transfer of the bar so that the transfer of the driving axis connected to a cam plate(38) is detected. The second detection unit includes a bar set up in the cam plate and a sensor for detecting the transfer of the bar so that the transfer of the cam plate is detected.
Patent KR-20010077427-A (KR)
Title: Method for printing thin film pattern of flat panel display device and field emission display device having emitter made by the same method
Inventor: CHA JAE CHEOL
IPC: H01J1/304
Filed: 2000-02-02
Abstract: PURPOSE: A thin film pattern printing method of an FPD(flat panel display device) and an FED(Field emission Display device) with an emitter fabricated by the method are provided to be capable of reducing the thickness difference between a central portion and corner portions of an object to be printed by integrally injecting one pattern to be formed through one mask hole. CONSTITUTION: First, providing a plurality of mask holes(14) with a size corresponding to thin film patterns to be printed and for integrally injecting objects to be printed are formed on a mask member(12). Then, the mask member(12) is fixed to a top surface of a substrate(16). Next, the thin film patterns(18) are printed on the substrate by integrally printing the objects to be printed through the plurality of mask holes(14). The mask member is formed by forming the plurality of mask holes(14) on a metal plate.
Patent KR-20010083451-A (KR)
Inventor: NA JE OK
IPC: G01S5/04
Filed: 2000-02-15
Abstract: PURPOSE: A method and apparatus for providing a position is provided to present a position in a low price than a former position providing method by processing data without connecting a database of a map. CONSTITUTION: A method for providing a position without connecting a database of a map includes an input unit(201), a data arranging unit(203), a coordinate converting unit(205), a data processing unit(207), and an output unit(209) of the data processing result. The input unit(201) performs a role which is received the data observed from an observer. The data arranging unit(203) performs a role which arranges the inputted data. The coordinate converting unit(205) converts the coordinate so as to stably process the arranged data. The data processing unit(207) processes the data by the converted coordinate and estimates the position. The output unit(209) of the data processing result outputs the result of the data processed.
Patent KR-20010082791-A (KR)
Title: Apparatus and method for processing and driving video signals
Inventor: AHN JONG GI
IPC: G09G3/36
Filed: 2000-02-21
Abstract: PURPOSE: An apparatus for processing and driving image signal and method thereof is provided to reduce electromagnetic interference(EMI) generation, minimize power consumption, and reduce costs by minimizing data change in a data bus line and a driving frequency of data bus line. CONSTITUTION: An interface circuit unit(11) converts and outputs a video data, a control signal, and a MDT(Mobile Data Terminal) control signal from outer so as to be capable of processing. A timing process unit(12) inputs the video data and the control signal transmitted from the interface circuit unit(11). And the timing process unit(12) formats and outputs the video data and control signal on a suitable timing for replaying a screen image by each source driver and a gate driver, and performs the by-pass of the MDT(Mobile Data Terminal) control signal. A MDT(Mobile Data Terminal) process(14) compares the video data transmitted from the timing process unit(12) according to the MDT(Mobile Data Terminal) control signal to the video data of former line, in case of same data, does not output the digital video data, and in case of different data, outputs the video data of the timing process unit(12), and outputs a latch signal which notices whether the outputted data is effective or not. An output circuit unit(13) transmits the digital video signal and the latch signal outputted from the MDT(Mobile Data Terminal) process(14) without error to each source driver and gate driver.
Patent KR-20010039538-A (KR)
Title: A.c. generator for vehicle
Inventor: ADACHI KATSUMI
IPC: H02K3/34
Filed: 2000-02-25
Abstract: PURPOSE: To obtain an AC generator for a vehicle for improving the insulation of a stator coil end, securing vibration resistance, and reducing wind-whistle noise. CONSTITUTION: Resin 25 is fitted to coil ends 16a and 16b of a stator coil 16, so as to block the gap between the coil ends 16a and 16b.
Patent KR-20010091449-A (KR)
Title: A Remote Monitoring Method For Self-Service Terminal Using An Internet
Inventor: YOON SEUNG SEOP
IPC: H04Q9/02
Filed: 2000-03-15
Abstract: PURPOSE: A method for remotely managing an unattended terminal using Internet is provided to efficiently manage many terminals with low costs and human power by frequently grasping the state of each terminal at a center. CONSTITUTION: A host computer of a bank transmits data generated during sampling period to a DB server every sampling period(S202). The transmitted data is classified by manufacturing companies, products, and model of an unattended terminal and stored thereafter in the DB server(S204). In case that a trouble code related to a trouble of the unattended terminal is included in the transmitted data, the data related to the trouble is classified and stored(S206). Host computers of other banks connected to the DB server performs the same procedures(S208). In case of completing transmission within sampling period, the DB server waits until the next sampling period and then connects to the host computers of other banks(S210). The manufacturing company connects to the DB server through the Internet every predetermined time, receives DB data of the corresponding manufacturing company from the DB server, analyses and collects statistics of the downloaded DB data, and outputs the analysis and statistics of the DB data.
Patent KR-20010029611-A (KR)
Title: Semiconductor fabrication apparatus, pod carry apparatus, pod carry method, and semiconductor device production method
Inventor: YAMADA KOHEI
IPC: G03F1/66
Filed: 2000-03-30
Abstract: PURPOSE: To enable quick and easy exchange of an SMIF pod accommodating a reticle or the like. CONSTITUTION: A pod stocker 10 having a pod hoisting and lowering base 20 and a hoisting and lowering means 30 is provided on the side of a chamber 1 incorporating an aligner or the like. At a first position S1 on a height of about 900 mm from the floor surface, exchange of a pod P is carried out by an operator or by an AGV of a floor surface running type or the like, to house the pod previously on each shelf of a pod holding shelf unit 50. At supplying or recovering of the pod P to or from an indexer 2 as an opening/closing means provided on a top of the chamber 1, the pod hoisting and lowering base 20 is moved to a second position S2 on the top part of the stocker 10 to transfer the pod P between a pod wait base 40 at a third position S3 and a horizontal transfer robot 3.
Patent KR-20010095542-A (KR)
Title: Universal joint structure of automotive vehicle steering shaft to be possible deflation of air
Inventor: KIM GIL JUNG
IPC: B62D1/20
Filed: 2000-04-10
Abstract: PURPOSE: Universal joint structure of a steering shaft in a vehicle is provided to discharge air from a pipe with supporting an air hole by a contact end of a shaft and with forming the air hole in a packing member of the pipe, and to prevent the packing member from being displaced efficiently without applying compressive force to the packing member. CONSTITUTION: An inner shaft is connected to a steering wheel through inner and outer joints(1a,2a), and inserted to a pipe(1). The pipe is combined with a shaft(2), and a rubber packing member(3) is fitted to an end of the pipe near a contact end(2b) of the shaft. A protruded part(3a) is formed in the middle of the packing member, and an air hole(3b) is formed through the protruded part. A settling groove is recessed in the contact end of the shaft to contain the protruded part of the packing member. The inner shaft moves to the packing member of the pipe according to steering, and compresses air in the pipe. Air is discharged smoothly from the pipe at the specific pneumatic pressure, and the packing member is not compressed. The packing member is prevented from being displaced with the settling groove containing the protruded part of the packing member despite moving the contact end of the shaft continuously.
Patent KR-20010096121-A (KR)
Title: Auto face cleaner
Inventor: KIM SEG GI
IPC: A47K7/00
Filed: 2000-04-17
Abstract: PURPOSE: An automatic washbowl is provided to wash a face automatically by locating a face to the opening of a housing part. CONSTITUTION: An automatic washbowl comprises: a main body(10) provided with a tub-shaped housing part(11) having an opening(11a) of the corresponding size to a face and a drainage hole(11b) on the bottom; a water-jetting member(13) installed in the housing part(11) and provided with many water-jetting holes(13a) to jet water toward a face locating on the opening(11a); a water-supply route(15) installed to the main body(10) to connect the water-jetting member(13) and a water pipe(14); a pump(16) installed to the water-supply route(15) to pump water from the water pipe(14) to the water-jetting member(13); and a tubular breathing instrument(17) whose one end is connected to the outside of the housing part(11) and the other end is projected to the inside of the housing part(11) to be located on the appointed spot of the opening(11a) to correspond to the respiratory organs.
Patent KR-20010020791-A (KR)
Inventor: IZUMIHARA MASAYUKI
IPC: G09G5/38
Filed: 2000-04-28
Abstract: PURPOSE: To obtain a display controller, in which operations are simply and enjoyably executed and eye strain is greatly reduced, by displaying a picture group, in which plural pictures are approximately arranged in left and right directions, moving the pictures so as to enlarge the interval between adjacent pictures and making all pictures to be stereoscopically observed by naked eyes between adjacent pictures. CONSTITUTION: One picture group 10, which is composed of seven stereoscopic pictures 10a, is displayed on a display (b). The seven pictures 10a are planar pictures, that are originally stereoscopically observed by naked eyes between adjacent pictures, and are linearly arranged in a horizontal direction. The pictures 10a are the pictures made by slightly changing parallax. Then, the pictures 10a are continuously moved so as to enlarge the interval between other adjacent pictures 10a (c). Then, a person, who stereoscopically observes the pictures by his/her naked eyes, has illusion in which the stereoscopic picture merged by respective pictures 10a moves to a more deeper position.
Patent KR-20010098273-A (KR)
Inventor: LEE HYO GEUN
IPC: H04B1/38
Filed: 2000-04-29
Abstract: 본 발명은, 휴대형 정보 단말기에 관한 것으로서, 본체 케이싱과, 상기 본체 케이싱 내의 제어부와, 상기 본체 케이싱 내에서 상기 제어부에 연결된 메모리, 입력부, 디스플레이부 및 무선 디지털 데이터 통신부를 갖는 휴대형 정보 단말기에 있어서, 상기 본체 케이싱 내에 마련되어 상기 제어부의 제어에 따라 상기 통신부로부터의 음성 신호를 근거리 무선 송수신하는 본체측 무선 인터페이스와; 상기 본체 케이싱으로부터 독립된 송수화기 케이싱, 상기 송수화기 케이싱 내부에 설치되어 상기 본체측 무선 인터페이스와 통신 가능한 송수화기측 무선 인터페이스, 상기 송수화기측 무선 인터페이스를 통해 음성 신호를 송수신하는 송화부 및 수화부를 갖는 송수화기 유니트를 포함하는 것을 특징으로 한다. 이에 의해, 휴대형 정보 단말기가 착탈 가능한 송수화기를 구비하여 전화 통화 기능도 수행 할 수 있다.
Patent KR-20010100590-A (KR)
Inventor: KIM IN GAP
Filed: 2000-05-04
Abstract: 본 발명은 탱크에 형성된 유체의 유출입공과 결합되는 커넥터 파이프로서, 상기 커넥터 파이프는 상기 유출입공으로 삽입되는 소경부; 상기 소경부로부터 축상에 연이어 관출되고 축 길이 대부분에 대해 형성되는 대경부; 및 상기 대경부의 단부를 축상에 연이어 반경방향 외측으로 확관한 확관부를 포함하며; 
     상기 커넥터 파이프와 연결되어 유체의 흐름을 유도하기 위한 연장파이프로서, 상기 연장파이프는 상기 커넥터 파이프의 축상에 연이어 상기 대경부에 삽입되는 직경을 갖는 본체; 상기 본체의 끝단부에 상기 확관부와 대접하는 환상의 제1비드; 상기 제1비드의 축상에 연이어 형성된 환상의 제2비드를 포함하며; 및 
     상기 커넥터 파이프와 상기 연장파이프를 서로 대향하는 방향으로 협착함으로써 이들을 긴밀하게 연결하기 위한 연결구로서, 상기 연결구는 원통형상의 본체; 상기 본체의 내주연으로 돌설되어 상기 연장파이프의 상기 제2비드에 대접하는 걸림돌기; 상기 걸림돌기와 반대되는 부분에 대해 상기 본체의 끝단부에 축방향으로 돌설된 탭;을 포함하여, 상기 걸림돌기와 상기 탭사이에 상기 연장파이프의 제2비드와 상기 커넥터 파이프의 확관부가 협착되게 함으로써 상기 커넥터 파이프와 상기 연장파이프가 상기 연결구에 의해 긴밀하게 결합되게 하는 것을 특징으로 하는 파이프 연결구를 제공한다
Patent KR-20010103211-A (KR)
Inventor: HAN PIL SUN
Filed: 2000-05-08
Abstract: 본 발명은 제 2 연소실에서 배출되는 가스의 열을 흡수하여 제 2 연소실로  고속 분사시킴으로서 연료의 효율과 소각실로부터 배출되는 연소 가스의 속도를 증가시킬 수 있는 소각 장치에 관한 것으로서, 본 발명은 연소 가스의 2차 연소시 발생하는 고열의 가스로서 열 교환 수단 내를 흐르는 공기를 가열시키고, 이 가열된 공기를 공기 분사 수단을 이용하여 제 2 연소실에 공급함으로서 적은 연료 소비로 제 2 연소실 내부를 고온 상태로 유지시킬 수 있다. 고온의 공기를 연소 가스의 배출구를 향하여, 즉 배출 가스의 흐름 방향과 동일한 방향으로 분사시켜 제 2 연소실로 배출되는 소각실로부터 배출 가스의 속도를 증가시켜 소각실의 소각 효율을 향상시킨다.
Patent KR-20010106929-A (KR)
Inventor: PARK BO GEUN
IPC: B60B1/00
Filed: 2000-05-24
Abstract: 본 발명은 휠을 구성하게 되는 림과 디스크를 강철(STEEL)과 합금(ALLOY)을 이용하여 각기 성형된 이형재질의 부속품을 차량이 요구하는 강도에 맞도록 견고하게 용접시켜 줄수 있도록 하므로서, 휠 자체의 성능을 향상시켜 줄수 있도록 한 자동차용 휠의 성형방법 및 그 성형물에 관한 것으로, 이는 강철을 재질로 하여 적어도 2개 이상의 통공(42)이 갖추어진 편상의 함침편(41)을 형성하고, 상기 함침편의 일면에 일체로 하여 직각으로 절곡된 용접면(43)으로 형성된 용접부재(40)를 디스크(30)를 성형하기 위한 성형틀내의 일정한 위치에 위치하도록 한 상태에서 성형틀내에 합금의 원료를 투입시켜 용접부재(40)가 외주연에 일체로 하여 디스크가 성형될수 있도록 하는 단계와; 상기의 단계에 의해 성형된 디스크가 내주연에 긴밀히 끼워질수 있을 정도의 크기를 갖고 외주연에는 타이어가 결합될수 있는 형상모양을 갖도록 강철을 재질로 하여 림(20)을 성형시켜 주는 단계와; 상기 림의 내주연에 디스크가 정확히 끼워지도록 한 상태에서 디스크의 외주연에 일체로 함침되어 있는 용접부재와 림 부위를 용접에 의해 용접시켜 주는 단계를 거쳐 이형재질을 갖고 있는 디스크와 림이 자동차용 휠에서 요구되는 강도로 결합될수 있는 자동차용 휠을 완성하게 됨을 특징으로 한다.
Patent KR-20010109666-A (KR)
Inventor: LEE JEONG HWAN
Filed: 2000-06-01
Abstract: 본 발명은 부호분할 다중접속 방식의 이동통신 시스템에서 페이징 부하 산출 방법에 있어서, 소정 개수의 페이징 슬롯들의 구간 주기 동안에 사용된 단문 메시지들이 차지하는 구간을 고려한 최대 처리 가능한 페이징 메시지들의 개수를 구하는 과정과, 상기 페이징 메시지들의 개수를 이용하여 상기 사용된 단문 메시지들을 고려한 페이징 채널의 부하를 산출하는 과정을 포함함을 특징으로 한다.
Patent KR-20010107484-A (KR)
Inventor: KIM JUNG SOO
IPC: B65D17/00
Filed: 2000-06-05
Abstract: 본 발명에 의한 음료수 캔은 얇은 금속이나 합성수지로 구성되고 상측면을 개방하는 개방수단이 상측면에 설치되며 음료수를 밀봉 내장하는 공지의 캔에 있어서, 상측면에 공지의 개방수단을 각각 보유하고 음료수를 각각 내장하는 다수의 캔본체(2)가 원기둥과 다각형기둥 중의 하나의 형상을 높이 방향으로 다수로 분할한 형상으로 형성되고, 다수의 캔본체(2)를 상호 접촉한 뒤, 접촉한 캔본체의 둘레면을 묶음수단으로 묶는 것으로 이루어진다. 
     따라서 본 발명은 음료수를 내장한 다수의 캔본체를 상호 결합하여 하나의 제품으로 구성하기 때문에, 하나의 제품으로 다양한 종류의 음료수를 용이하게 음미할 수 있으며, 하나의 제품을 다수의 캔본체로 분리하여 다른 사람과 나눠 마실 수 있어 음료수를 위생적으로 나눠 마실 수 있는 등의 효과를 발휘한다.
Patent KR-20010110599-A (KR)
Inventor: PARK HAN GYU
Filed: 2000-06-07
Abstract: 본 발명은 편향요크의 편향코일(100)에 관한 것으로, 음극선관의 전자총에서 발사되는 전자빔을 편향시키는데 있어서, 편향코일(100) 하측 라운드부(130) 그 중앙의 소정 구간에 걸쳐 상측으로 돌출되어진 융기하는 융기면(131)이 자계를 형성하여 전자빔의 휘도를 향상시켜 미스 랜딩으로 인한 스크린 상하좌우에 발생하는 핀쿠션 일그러짐을 보상하는 효과를 제공한다.
Patent KR-20000054636-A (KR)
Inventor: LEE HAN SANG
IPC: H01Q1/10
Filed: 2000-06-15
Abstract: PURPOSE: A geared motor is provided to enable users to reduce the rotation speed of motor by connecting oil gear train assembly to the rotational axis of a small-sized motor. An antenna driving device with geared motor is provided to draw or lead rod antenna in small devices such as small-sized cellular phones. CONSTITUTION: A geared motor includes the following components. A motor unit(200) is equipped with a motor rotational axis which is connected with a primary spur gear(10b). An oil gear train assembly(20, 30, 40) rotates the rotational axis of an output unit after reducing the rotation speed of a motor(10) by using an oil gear train(50). A coupling unit(80) connects the motor unit(200) and the oil gear train assembly(20, 30, 40). An antenna driving device with geared motor includes a motor unit(200) with rotational axis, a roller gear unit(230, 330a, 330b) which rotates by the rotation force sent from the rotational axis of the motor(10), a gear base unit(210, 210a, 310) which is connected to the motor unit(200) and supports the roller gear unit(230, 330a, 330b), and an elasticity unit(220, 220a, 320) which provides the elasticity needed to move the antenna towards the roller gear unit(230, 330a, 330b).
Patent KR-20000054836-A (KR)
Inventor: MOON HYUNG RYEL
IPC: B60T10/00
Filed: 2000-06-28
Abstract: PURPOSE: A device of crank hydraulic break is provided to reduce the damage of a break, and to prevent an urgent breaking by using physical power of using a characteristic of incompressibility fluid of a power plant. CONSTITUTION: A device of crank hydraulic break comprises : a body ; a pathway of hydraulic fluid(20) to be formed in a body and to be full of hydraulic fluid ; a piston apparatus(200) to be equipped in a pathway of hydraulic fluid(20), and to include a piston road(7) and two pistons(8) ; a crank apparatus to be connected with an output shaft of a power plant , and to include a crank shaft, a crank arm, and a crank pin ; a connecting rod(5) of which one side is connected with a crank pin to rotate, and the other side is connected with a piston road(7) to rotate ; two supporting bars of which one side is connected with a crank shaft, and the other side is connected with a body ; the first sliding bearing to be installed on a connecting part of between a crank shaft and a supporting bar ; the second sliding bearing(12) to be installed on a connecting part of between a crank pin and a connecting rod(5) ; the third sliding bearing(13) to be installed on a connecting part of between a connecting rod(5) and a piston road(7) ; a means of flux control to be equipped in a pathway of hydraulic fluid(20), to include a valve forming a penetration hole and a means of opening and closing rotating a valve and opening and closing a penetration hole, and to control flux of hydraulic fluid.
Patent KR-20010021037-A (KR)
Title: Pixel number converting circuit and image display device using the same
Inventor: FUJIYOSHI TATSUMI
IPC: G06T3/40
Filed: 2000-06-29
Abstract: PURPOSE: To provide a pixel number converting circuit magnifying the pixel number doubly in vertical and horizontal directions without generating the degradation of picture quality due to the reduction of the density of the amount of display information. CONSTITUTION: When arrangement patterns of 9 pieces of input picture data with 3 rows and 3 columns consisting of picture data corresponding to one piece of a conversion object pixel and 8 pieces of picture data corresponding to 8 pixels surrounding the pixel in the vertical direction and in the horizontal direction and in an oblique direction are compared with specific arrangement patterns 6a to 6h selected from among entire arrangement patterns consisting of combinations of 9 pieces of binary picture data 3 rows and 3 columns and the arrangement patterns of 9 pieces of input picture data and the specific arrangement patterns 6a to 6h by judging the match and the nonmatch among them, picture data different from that of the conversion object pixel are imparted to a part of 4 pieces of picture data corresponding to 4 pixels which is obtained by magnifying the conversion object pixel doubly both in the vertical direction and the horizontal direction.