baber/WOPTO huggingface dataset:
Patent KR-20000013809-A (KR)
Title: Built in self test device using linear feedback shift register
Inventor: KIM HYON CHEOL
IPC: G01R31/3181
Filed: 1998-08-13
Abstract: PURPOSE: A built in self test(BIST) device using linear feedback shift register(LFSR) is provided to reduce a over-head of test circuit on a chip including a few LFSRs and multiple input linear feedback shift registers(MISR) and using an internal memory. CONSTITUTION: The BIST device using LFSR comprises a test pattern generator, a data compressor and a controller. In the BIST device using LFSR, the test pattern generator includes a first shift chain with a first part of memory and operates a primitive polynomial and generates a pseudo-random pattern and supplies the pseudo-random pattern to a plurality of functional blocks. The data compressor includes a second shift chain with a second part of memory and compress a data from the functional block and outputs a compressed data. The controller generates a control signal to control the data compressor.
Patent KR-19990023692-A (KR)
Title: 낙하판 바아를 구비한 경편기
IPC: D04B23/22
Filed: 1998-08-19
Abstract: 본 발명에 따르면, 가이드 바아 ( 2 및 3 ) 를 지지하는 가이드 바아 조립체를 지니는 낙하판 바아를 구비한 경편기가 제공되며, 경편기의 보조 샤프트 (8)는 주 샤프트 (9) 를 따라 회전하며, 조향 장치 (11) 를 지닌다. 레버 장치 (27) 를 통하여 낙하판 바하 (25) 를 이리저리 이동시키는 것은 낙하판 드라이브의 부품이다. 이러한 구조는 비교적 낮은 매스를 지니며, 더 빠른 구동속도를 허여한다.
Patent KR-20000015256-A (KR)
Title: Imcoming call-recordable mobile phone and method for designating incoming call
Inventor: KIM YONG HUN
IPC: H04B7/26
Filed: 1998-08-24
Abstract: PURPOSE: Incoming call-recordable mobile phone and method for designating the incoming call are provided to discriminate an incoming call of itself from an incoming call of others with ease. CONSTITUTION: A user is connected with a server which provides various incoming calls through a mobile telecommunication network. One of the incoming calls provided by the server is selected. The selected incoming call is stored. Thereafter, when a call is requested, the stored incoming call is output through the user's mobile phone. The storing of the selected incoming call is performed until a recording end key signal is input by the user. Thus, the invention removes confusion of incoming call and user's unnecessary confirmation, thereby enhancing convenience of use and characterizing user's personality
Patent KR-19990029788-A (KR)
Title: 반도체 집적회로 장치
IPC: G11C11/407
Filed: 1998-09-15
Abstract: 반도체 집적회로 장치는,  복수개의 칼럼과  복수개의 로우로 배치된 복수개의 메모리 셀로 구성된  메인 메모리부,  복수개의 칼럼과  복수개의 로우로 배치된 복수개의 메모리 셀로 구성된  서브 메모리부,  데이터 전송 버스라인을 통하여  상기 메인 메모리부와  복수개의 메모리셀군으로 구성된 상기 서브 메모리부를  각각 접속하기 위한  쌍방향 데이터 전송회로,  및  서로 다른 데이터 입/출력 모드가  복수개의 상기 메모리 셀군에 대해 독립적으로 설정될 수 있도록,  제공된  복수개의 레지스터로  구성된다.     따라서,  본 발명의 반도체 집적회로 장치는  복수개의 데이터 처리장치로부터 액세스되기에 적당한 메인 메모리를 갖는다.
Patent KR-20000020611-A (KR)
Title: Method for manufacturing semiconductor device
Inventor: SHIM KWANG BO
IPC: H01L21/321
Filed: 1998-09-22
Abstract: PURPOSE: A method for manufacturing semiconductor device is provided to minimize the generation of particles due to residue of polishing liquid, and to simplify the process by eliminating post treatment process. CONSTITUTION: A method for manufacturing semiconductor device comprises a step of forming an insulation film(34), a step of simultaneously forming a contact hole(36), a pattern(38), an align mark(40) and an overlay mark(42), a step of forming a metal film(44), a step of forming a sacrifice film(52) on the metal film, and a step of performing CMP(chemical mechanical polishing) process to the metal.
Patent KR-19990014348-A (KR)
Title: 피스톤 펌프용 실린더 블록의 부싱주재 확산융착 접합방법
Filed: 1998-09-23
Abstract: 본 발명은 피스톤 펌프용 실린더 블록의 부싱부재 확산융착 접합방법에 관한 것으로, 모재와 부싱부재를 진공로내에서 진공을 유지하며 예열하는 예열단계와; 
     예열 상태에서 부싱부재의 융착온도에 도달하도록 로내를 가스분위기로 전환한 상태로 모재와 부싱부재를 프레스등으로 압착하는 가열압착단계와; 
     가열압착단계에서 모재와 부싱부재의 경계에서 동일조직으로 확산융착접합이 이루어 진 후 안정온도를 유지하는 안정단계와; 
     이 안정단계에 이어서 서냉이 이루어 지며 강재의 조직이 경도를 갖도록 경화가스를 투입하며 냉각시키는 가스냉각단계가 순차적으로 이루어 지는 것에 의해 달성된다.
Patent KR-20000020816-A (KR)
Title: Plane display
Inventor: JEONG GIL YONG
IPC: H01J31/12
Filed: 1998-09-24
Abstract: PURPOSE: A display and an improving image device having photo cathode substance such as Cd, S, Se are connected each other to have a high luminance though a wavelength of incident light is feeble. CONSTITUTION: An optical screen of display device(2) penetrates a sub glass(22). And then a sputtered photo cathode substance(24) such as Cd, S, Se are excited. So photoelectron are generated. When the photoelectron have enough energy, that are accelerated on the accelerating channel(30) of improving image device(20) and that pass vacuum. The photoelectron excites red, green and blue fluorescence(28), Which are patterned on upper glass(26). So optical screen is projected on the whole surface of upper glass.
Patent KR-20000021086-A (KR)
Title: Plasma chamber
Inventor: HA SAM CHEOL
IPC: H01J25/00
Filed: 1998-09-25
Abstract: PURPOSE: An electrode of a chamber possesses an electric heater to prevent from depositing polymer. CONSTITUTION: A device of surface treatment using plasma has chamber, power supply, cathode electrode, vacuum pump with oil diffusion pump and rotary pump, thermocouple gauge for measuring vacuum level in chamber, ion gauge, injector section. And cathode electrode has an electric heater to remove a polymer. Because polymer has low melting point, it can be removed by heating at low temperature.
Patent KR-19980087906-A (KR)
Title: 정사각관과 정사각관 이음새 사출부속 조립 구조물 장치
IPC: F16S3/02
Filed: 1998-09-28
Abstract: 정사각관을 착탈하는 다수의 사각관구 돌기를 가진 이음새 사출부속을 결합하여 사각기둥, 사각틀, 사각선반등 원하는 구조물 조립을 할 수 있는 결합기구이다. 
     원호로 휘어진 정사각관과 원호의 방향을 구성하는 사각관구 부속의 결합으로 원형의 기구와 원호의 기구를 쉽게 조립하고, 분해하는 원과 원호결합 가능기구이다. 
     다양한 모양의 직선과 원과 원호를 복합하여 사출 부속으로 결합할 수 있으며 구조물의 높이와 폭을 자유롭게 조절가능한 결합기구이다. 
     특히 별도의 공구를 사용하지 않고도 고정볼트나 용접없이 삽입 고정이 되며, 분해가 쉽고 보관이 편리한 정사각관 결합기구이다. 
     결합된 구조물이 정사각관이고 결합구가 정사각형이므로 각면이 수평과 수직의 평면구성을 하여 면에 대응하는 평면과의 접촉면이 넓고 안정되며, 면과 면의 맞물림으로 인해 마감의 틈이 적은 정사각관 결합기구이다.
Patent KR-20000025086-A (KR)
Title: Cd-rom mount
Inventor: CHOI SEUNG BOK
IPC: G11B21/02
Filed: 1998-10-08
Abstract: PURPOSE: A CD-ROM mount is provided to minimize an undesirable vibration mode forced to a feeding system of a CD-ROM. CONSTITUTION: In a feeding system(1) of information recording machine, a rotating unit(10)for rotating an information storage medium is installed on a base frame. A second electrode(17) is installed so as to support the base frame to be capable of shifting vertically. A first electrode(16) has an inverted polarity of the second electrode, and is installed to be inserted into the second electrode at an opposed side of the second electrode(17). The first and second electrodes(16,17) are formed at both sides of an external cover(24), and an electro-rheological fluid is charged between the first electrode(16) and the second electrode(17). A fluid resistance of the electro-rheological fluid is varied according to the strength of an electric field forced by the first and the second electrodes(16,17).
Patent KR-19990037214-A (KR)
Title: 최소접촉을 지닌 웨이퍼 캐리어
IPC: H01L21/673
Filed: 1998-10-20
Abstract: 본 발명은 수평으로 축방향으로 배열된 구성에서 웨이퍼를 이송하거나 담지하는 웨이퍼 캐리어에관한 것으로 웨이퍼의 에지부분에 웨이퍼 지지대의 최소 4개의 접점영역을 지닌다. 바람직한 실시예는 웨이퍼 측벽상의 세장된 웨이퍼 가이드에의해 형성된 다수의 슬롯을 지닌 H-바 캐리어이다. 돌출부는 수는 충분하고 가이드의 상부면과 접촉을 하지 않도록 구성되어 있다.
Patent KR-20000026493-A (KR)
Title: Method for acquiring buying information
Inventor: LEE JUNG HWAN
IPC: G06Q99/00
Filed: 1998-10-20
Abstract: PURPOSE: A method for acquiring buying information is provided to obtain exact buying information by an instant question investigation and to analyze a satisfaction degree of a consumer with regard to the goods and the propensity to consume of the client when a client enters an electronic commerce system to buy goods. CONSTITUTION: A method for acquiring buying information comprises the steps of: checking whether a client registering at an electronic commerce system(100) requires a price sanction; if yes, simultaneously driving a preservation supporting module(10) and an electronic sanction supporting module(20) to perform a price sanction with regard to the purchasing goods, wherein while the price sanction is performed, a question investigation screen associated with the buying goods is output in order to acquire buying information of the client; analyzing a client satisfaction degree with regard to corresponding goods and the propensity to consume of a corresponding client on the base of information input through the screen; storing the analyzed information to a database in connection with a web; and connecting the stored contents in the data base(40) to an on-line statistics processing supporting module(30) to analyze the propensity to consumption or the satisfaction degree with regard to all consumers.
Patent KR-20010089895-A (KR)
Inventor: KIM HYE KON
IPC: B29B17/00
Filed: 1998-10-21
Abstract: 본발명은  본인의  선등록발명인  특허등록 제 50644 호(폐필름상의  수지를  재생하는  장치  및  방법)와  제 61921 호(폐수지건식  재생처리방법)을  응용하여  산업폐기물로  환경오염 등의  문제로  그  처리가  심각한  제철  및  제강과정에서  부산되는  철강산업분진(dust)을,  역시  산업  및  일반폐기물인  폐수지와  용융배합하여  토목자재(인도블럭,  방음벽,  철도침목,  인공어초,  농수로,  등)를  제작하는  소재로  재생하여  이들  제품을  직접  제작하는  폐수지등  산업용  폐기물을  이용한  토목자재  제조방법에  관한  것이다.
Patent KR-19990037338-A (KR)
Title: 반도체 장치 및 그 제조 방법
IPC: H01L29/737
Filed: 1998-10-23
Abstract: 실리콘 기판 (1) 상에 절연막 (2) 과 전기 도전막 (3) 을 형성하는 단계,  절연막 (2) 에 제 1 개구부 (2a) 를, 전기 도전막 (3) 에 제 2 개구부 (3a) 를 형성하는 단계,  및 제 1 개구부 (2a) 의 실리콘 기판 (1) 상에 Si 1-X Ge X 베이스 에피택셜층 (5) 을 형성하는 단계를 포함하고,  터널부 (2b) 가 전기 도전막 (3) 아래의 절연막 (2) 내에 형성되도록,  제 2 개구부 (3a) 는 제 1 개구부 (2a) 보다 더 작은 길이를 가지며,  공정 가스는 디실란을 함유하며,  에칭 가스는 염소를 함유하고,  디실란에 대한 염소의 비는 1/50 이상이며,  성장 온도는 640 ℃ 이하인,  반도체 장치를 제조하는 방법이 제공된다.
Patent KR-20000027810-A (KR)
Title: Aligning apparatus for recognizing focus of pcb and the method thereof
Inventor: CHOE BYEONG IL
IPC: H01L21/027
Filed: 1998-10-29
Abstract: PURPOSE: A method of aligning a focus recognition of a PCB is provided to control the distance between wafer by using reflecting light detected a light detector. CONSTITUTION: A method of aligning a focus recognition comprises the steps of: enlarging laser beams irradiated from a laser by a convex lens; refracting the enlarged laser beams to a reflecting plate and refracting/reflecting the refracted laser beams to a circular band pattern of a circular band plate; and controlling focal intervals by detecting the reflected beams from the circular band plate by using a light detector.
Patent KR-19990044995-A (KR)
Title: 화상 형성 장치
IPC: G03G21/00
Filed: 1998-11-04
Abstract: 화상을 보유하기 위한 화상 보유 부재(image bearing member), 화상 보유 부재에 접촉하여 화상 보유 부재를 대전시킬 수 있는 자기 브러시를 포함하며 전압이 인가되는 대전 수단, 및 대전 수단의 대전 극성과 동일한 극성의 토너를 이용하여, 대전 수단의 대전 동작에 의해 화상 보유 부재 상에 형성된 정전 화상을 현상 위치에서 현상하기 위한 현상 수단 -상기 현상 수단은 상기 화상 보유 부재로부터 잔류 토너를 제거할 수 있음- 을 포함하며, 대전 수단에 AC 전압 및 DC 전압이 중첩된 형태의 진동 전압 인가시, 대전 수단에 의해 대전된 상기 화상 보유 부재의 영역이 상기 현상 위치에 있을 때, 현상 수단은 현상 동작을 중지하는 화상 형성 장치가 제공된다.
Patent KR-20000031557-A (KR)
Title: Radio frequency integrated circuit card using conductive adhesive films and manufacturing method thereof
Inventor: JU DONG WOOK
IPC: B42D25/45
Filed: 1998-11-07
Abstract: PURPOSE: A method for manufacturing radio frequency integrated circuit card using conductive adhesive films is provided to remove the depression possibly occurred during the printing due to a gap by not using a package and to obtain a thin and flexible card made of ductile materials since the package frame and wire are not utilized any more. CONSTITUTION: A method for manufacturing radio frequency integrated circuit card using conductive adhesive films includes the steps of adhering by heat on a lower synthetic resin(1) a middle synthetic resin formed with a cavity at one side by punching to insert a chip(3) and containing a copper foil circuit arrangement(21) on an upper part, inserting the chip in the cavity of the middle synthetic resin and fixing on the lower synthetic resin by an adhesive agent, mounting a conductive adhesive film on the middle synthetic resin for connecting the copper foil circuit and the chip to operate the circuit and adhering an upper synthetic resin(5) after filling the gap between the chip and the cavity of the middle synthetic resin and coating an adhesive agent(6) on the chip, the middle synthetic resin and the conductive adhesive film to be the same height.
Patent KR-20000032510-A (KR)
Title: Method of preparing ceramic ejection having high specific gravity and ejection thereof
Inventor: KIM KYONG TAE
IPC: C04B35/74
Filed: 1998-11-13
Abstract: PURPOSE: A method of preparing ceramic ejection having high specific gravity and an ejection thereof are provided, which provide inexpensive and very productive ejection materials. CONSTITUTION: The method comprises steps of: (i) preparing polyvinyl chloride, ceramic, barium, DOA and stabilizer at fixed ratios; (ii) first heating the polyvinyl chloride thrown in a mixing tube and second throwing the DOA in the reacting container when the inside temperature of the mixing tube reaches 100°C and throwing the ceramic, barium and stabilizer in the reacting container at a temperature of 100-120°C; (iii) throwing the mixed material in an extruding machine; (iv) preparing plate having fixed thickness by throwing the extruded material in a pair of rollers; and (v) cooling and pulverizing the plate.
Patent KR-20000033360-A (KR)
Title: Apparatus for monitoring multichannel light source
Inventor: LYU KAB YOL
IPC: H04B17/00
Filed: 1998-11-23
Abstract: PURPOSE: An apparatus for monitoring multichannel light source is provided to efficiently maintain system performance by monitoring and controlling the variation in the central wavelength of a multichannel light source and the strength of the light source, according to the conversion of wavelength and the insertion and abstraction. CONSTITUTION: One input terminal of a variable optical filter(212) is connected to the output terminal of a multichannel light source(211). A waveform generator(213) is connected to the other input terminal of the variable optical filter(212). The input terminal of an optical separator(214) is connected to the output terminal of the variable optical filter(212). The input terminal of an optical detector(215) is connected to one output terminal of the optical separator(214). The input terminal of the separator(216) is connected to the other output terminal of the optical separator(214). The input terminal of an optical amplifier(217) is connected to one output terminal of the optical separator(216). An optical fiber delay device(226) is connected to the other output terminal of the optical separator(216). The port of an optical circulator(218) is connected to the output terminal of the optical amplifier(217). An optical fiber for stimulated brilluin scattering optical signal generation(219) is connected to the b port of the optical circulator(218). Two input terminals of an optical coupler(220) are connected to the c port of the optical circulator(218) and the optical fiber delay device(226). The input terminal of an optical detector(221) is connected to the output terminal of the optical coupler(220). One terminal of a top-down converter(222) is connected to the output terminal of the optical detector(221). The output terminal of a reference frequency generator(223) is connected to the other input terminal of the top-down converter(222). The input terminal of a light-to-voltage converter(224) is connected to the output terminal of the top-down converter(222). The input terminals of a processor(225) is connected to the output terminal of the optical detector(215).
Patent KR-20000034181-A (KR)
Title: Method of controlling steering system of vehicle adapting electric motor
Inventor: GU SANG SUN
IPC: B62D6/00
Filed: 1998-11-27
Abstract: PURPOSE: A method of controlling a steering system is provided to secure stability in operation of a steering system by isolating power of an electric motor depending on disorder of a steering angle sensor and a torque sensor. CONSTITUTION: When a steering angle sensor for a steering wheel is out of order, power of an electric motor is isolated. The power is also interrupted in disorder of a torque sensor for a torsion bar. The steering direction and size is checked through change of each sensor and logical exclusive OR of each sensor value is performed if the two sensors are not out of order. After that, the electric motor normally operates if the result of the exclusive OR is zero. In producing 1 as the result of the exclusive OR, the electric motor normally works by detecting the changes of the steering angle sensor. In case of detecting the no changes of the steering angle sensor, the electric motor stops by deciding that the torque sensor is out of order.
Patent KR-19990037587-A (KR)
Title: 전동차의 전두부(前頭部) 판넬 성형방법
Filed: 1998-12-08
Abstract: 본 발명은 전동차의 전두부(前頭部) 판넬 성형방법에 관한 것으로, 전두부  판넬의 만곡부를 용접없이 일체형으로 성형하는 것에 관한 것이다. 
     본 발명은 성형물을 양측에서 고정시킨 상태에서 주 실린더로 금형을 상승시킴과 동시에 양측의 성형물을 신장시키고, 금형에 의해 상승하는 성형물의 이동만큼 성형물 양측을 내측으로 이동시켜 용접없이 전두부 판넬을 성형하는 것이다.
Patent KR-20000039433-A (KR)
Title: Method for producing pad-type concrete sleeper
Inventor: LEE YEONG JE
IPC: E01B3/28
Filed: 1998-12-14
Abstract: PURPOSE: A sleeper is provided to easily stick a pad and not to be separated from the sleeper. CONSTITUTION: In foaming a pad(p), a pad is composed by integrally sticking a mesh(1) having a protruded portion in a direction outside a face in one side. A concrete sleeper(s) is cared in a state stuck the mesh(1) side of the pad(p) in the concrete sleeper(s) during installing. Because the protruded portion of mesh is in a filled state inside a foaming resin of pad and a concrete of sleeper, the concrete sleeper integrally stuck the pad is completed by an anchoring operation of mesh.
Patent KR-20000040002-A (KR)
Title: Functional permeation evaporation composite film and module device
Inventor: HONG YEONG KI
IPC: B01D69/12
Filed: 1998-12-16
Abstract: PURPOSE: A functional permeation evaporation composite film and a module device used for purifying washing liquor more effectively are provided which economize energy and resolve evaporation difficulties for separating materials such as azeotropic mixtures. CONSTITUTION: A release type permeation evaporation module device comprises a liquid supplying module that is equipped with a permeation evaporation membrane and placed at the upper part to increase an effective membrane area that contacts with liquid, a module that is placed in the middle and has both a liquid supplying part and a permeation evaporation part (21), and a permeation evaporation module (9) that is placed at the lower part and has an inlet part for supplying liquid, a discharging part (7) for circulating liquid and a permeation evaporation part. The membrane mounted on the module device can be applied to the separation processes of gas separation membranes, ultrafiltration membranes and nanofiltration membranes.
Patent KR-20000040538-A (KR)
Title: Flip chip mounting method and printed circuit board for applying same
Inventor: MOON YEONG JUN
IPC: H05K13/04
Filed: 1998-12-18
Abstract: PURPOSE: A flip chip mounting method and printed circuit board(PCB) for applying the method is provided to enhance an adhesive force between the electrode pad of the PCB and the electrode bump of the flip chip upon mounting the flip chip. CONSTITUTION: A flip chip mounting method comprises the steps of: selectively coating a conductive adhesive on either a conductive electrode pad(110) of a PCB substrate(100) or a conductive electrode bump(210) of a flip chip(200); coating a conductive adhesive(111) on at least one region of either a region other than the conductive electrode pad of the PCB or a region other than the conductive bump of the flip chip; and gluing the conductive electrode bump onto the conductive electrode pad of the PCB. The PCB further comprises a subsidiary pad(120) on the region other than the conductive electrode pad and the conductive adhesive is attached on the subsidiary pad.
Patent KR-20000043051-A (KR)
Title: Method for manufacturing of semiconductor device
Inventor: NO JAE SEON
IPC: H01L21/28
Filed: 1998-12-28
Abstract: PURPOSE: A method for manufacturing of semiconductor is provided to create metal contact hole of high aspect ratio without profile bad in a near area of a semiconductor device. CONSTITUTION: An active area is defined by forming a field oxidation membrane on a semiconductor substrate(11). On the cell area semiconductor substrate(11), a transistor(12) is made by creating a gate electrode(12G), a source(12S), and a drain(12D). A metal contact junction(12J) is built to connect a metal line in a near area of the cell area on the substrate(11). A first isolation layer(13) covers the whole semiconductor substrate(11) and a first photoresist film dopes all the substrate(11) except the drain(12D) and the metal contact junction. By etching process, a bit line contact hole and a hole, exposed the metal contact junction(12J), are molded. After removing the first photoresist film, a PSG(Phosphorous Silicate Glass) is stuck on the substrate(11) until the bit line contact hole and the hole are filled. A second photoresist film covers all the substrate(11) besides the bit line contact hole. The PSG layer in the bit line contact hole is deleted by etching used BOE(Buffered Oxide Etchant) solution and also the second the second photoresist film is removed. A bit line(14) is produced through the bit line contact hole and connected to the drain(12D). A second isolation layer(15) is formed on the whole substrate(11). Using a charge storage electrode contact mask, the second(15) and the first(13) isolation layer are vacated and a charge storage electrode contact hole is created. A charge storage electrode is built by connecting the source(12s) through the charge storage electrode contact hole, a capacitor(16) is constructed by forming a dielectric film and a plate electrode orderly. On all the component on the substrate(11), a third isolation layer(17) is doped. After covering the substrate(11) except the hole on the metal contact junction by a third photoresist film, a metal contact hole(18) is made by etching the PSG, the second isolation layer(15), and the third isolation layer(17). The third resist film is uncovered and remained PSG is deleted completely to make contact hole(18) without bad.
Patent KR-20000045992-A (KR)
Title: Text broadcasting system of railroad car
Inventor: LEE JEONG MO
IPC: B61D37/00
Filed: 1998-12-31
Abstract: PURPOSE: A text broadcasting system of railroad car is provided to provide information needed to text displaying devices by editing and transmitting information through wireless transmission from a main system and a base station. CONSTITUTION: A text broadcasting system of railroad car comprises a main device(1, text editing device), base stations(2) and text displaying parts(3). The main device(1) is used to input life information, important news and atmosphere information. The base stations(2) are disposed on each station building or on important locations where a railroad car passes and receives information transmitted from the main device(1). The text displaying parts(3) receives the information from the base stations and display the information through text displaying devices(3'). The information inputted to the main device(1) are transmitted to the base stations(2) through optical cables, then transmitted to the text displaying parts(3) through wireless transmission, thereby displayed on real time. An interface between the main device(1) and the base stations(2) is formed by using an MKS modem and a light transmitting device(4). Further, a text information data communication interface between the base stations(2) and the text displaying parts(3) are formed by using a field communication cable.