baber/WOPTO huggingface dataset:
Patent KR-20000046241-A (KR)
Title: Digital demodulation and automatic gain adjustment apparatus of wireless local loop intermediate frequency
Inventor: LEE KYONG KOOK
IPC: H04B7/26
Filed: 1998-12-31
Abstract: PURPOSE: A digital demodulation and automatic gain adjustment apparatus of the WLL(Wireless Local Loop) intermediate frequency is provided to get the output signal of a regular level by demodulating a transmitted signal into a QAM(Quadrature Amplitude Modulation) signal and supplying it to the automatic gain control circuit of the intermediate frequency. CONSTITUTION: An automatic gain control part(10) receives the intermediate frequency from the WLL receiving part and maintains a regular amplification rate by a control signal. An A/D converter(40) converts the output signal of the automatic gain control part(10) into a digital signal. A first and a second demodulators(22,27) divide the output signal of the A/D converter(40) into the signals of I(In-phase) and Q(Quadrature-phase). A first and a second digital band restriction filters(32,37) remove unnecessary digital signals and noises from the digital signals of the first and the second demodulators(22,27). A control signal generation part(100) receives the digital signals of the first and the second digital band restriction filters(32,37) and outputs the control signal to control the amplification rate of the automatic gain control part(10).
Patent KR-20000047050-A (KR)
Title: Circuit for protecting static electricity
Inventor: JEONG HYEOK JE
IPC: H01L27/06
Filed: 1998-12-31
Abstract: PURPOSE: A circuit for protecting static electricity is provided to flow constant charge rapidly when the static electricity occurs so as to protect devices from the static electricity. CONSTITUTION: A circuit for protecting static electricity according to the present invention includes a PNP type bipolar transistor(71), an NPN bipolar transistor(72), a resistor, and a MOS transistor. The PNP type bipolar transistor(71) is connected between a source voltage node and an input pad(1). The NPN bipolar transistor(72) is connected between an output node of the input pad and a ground node. The resistor is connected between the output node of the input pad and the input node of the input buffer. The MOS transistor is connected between the input node of the input buffer and the ground node. An electromagnetic force protector(10) is further connected between the input node of the power supply and the ground node to form a current path when the electromagnetic force occurs.
Patent KR-19990030460-A (KR)
Title: 나사산 전조장치의 환봉절곡장치
IPC: B21D35/00
Filed: 1998-12-29
Abstract: 본 발명은 환봉의 양단부에 나사산을 자동으로 전조시키는 전조장치에서 연속적으로 환봉 절곡을 할 수 있는 환봉절곡장치를 제공하려는 것으로서, 
     나사전조다이를 회전시키는 메인회전축과, 상기 나사전조다이와 대응하는 위치에 설치되어 소재가 전조되게 하기 위한 소재회전통로를 갖도록 하는 원호형보조다이를 갖는 전조장치에 부가되게 설치되는 환봉절곡장치에 있어서; 상기 메인회전축의 회전력으로 회동되는 회전부재와; 상기 회전부재의원운동을 좌우왕복운동으로 변환시키기 위한 연동로드와; 상기 연동로드와 연결되고 로드축의 유동거리를 확보하기 위한 장공을 가지며 연동로드의 좌우왕복운동을 전달받아 좌우회전운동을 하는 좌우회전부재와; 상기 좌우회전부재의 운동력을 전달받는 기어축과; 상기 기어축이 설치되어 좌우회전운동을 하는 스퍼어기어와; 상기 스퍼어기어와 맞물려서 연동되고 가이드축에 설치된 안내가이드에 안내되어 승, 하강운동을 하는 랙기어와; 상기 랙기어의 하단부에 고정되게 장착되며 환봉절곡을 위해 상기 환봉을 가압하는 소정형태의 헤드와; 상기 헤드하측에 설치되고 나사산이 전조된 환봉을 공급받아 상기 헤드와 대응하는 위치에서 환봉절곡을 위해 상기 환봉을 받치는 환봉받침장치부를 포함하여 구성되도록 한 것이다.
Patent KR-19990063927-A (KR)
Title: 에너지 저장 및 변환 장치
IPC: F16C35/06
Filed: 1996-10-01
Abstract: 에너지 저장 및 변환 장치(1)는 진공 챔버(7)를 규정하는 밀봉부(5)(containment), 진공 챔버(7)내의 지지축(9), 축(9)상의 고정자(11), 그리고 사용할 때 고정자(11)에 의하여 구동되어 회전자(13)의 운동에너지로서 에너지를 저장하고, 고정자(11)와 함께 제너레이터로서 작동하여 에너지를 방출하도록 하는 원통형 회전자(13)를 구비하며, 회전자(13)는 엔드캡(end cap)(29)을 경유하여 축(9)에 의하여 지탱되며, 엔드캡은 회전자(13)의 속도가 증가할 때, 원뿔형상에서 평면형상으로 편향되는 것을 특징으로 한다. 이 결과로써, 회전자(13)가 원심력으로 인하여 확장할 때, 장치(1)의 파손이 발생하지 않는다. 또한, 축(9)상의 고정자(11)와 자석 베어링에 관한 회전자(13)의 위치는 회전자(13)의 길이가 프아종 효과(Poisson effect)로 인해서 감소될 지라도 항상 일정하게 유지된다.
Patent KR-19990064112-A (KR)
Title: 도전성 폴리머 조성물
IPC: C08K3/24
Filed: 1996-10-22
Abstract: 탄소 섬유를 이용해 백색 또는 유색의 도전성 폴리머 조성물을 제공하기위해, (a) 외경이 3.5 - 70 nm이고 어스펙트비가 5 이상인 중공성 탄소 미세섬유를 0.01 중량% 이상 2 중량% 미만, (b) 도전성 백색 분말을 2.5 - 40 중량% 포함하고 여기에 임의적으로 (c) 착색제를 포함하여 이루어지는 도전성 폴리머 조성물을 제공하였다.
Patent KR-19990087189-A (KR)
Title: 살리실산 에스테르 및 레티노이드로의 피부 치료법
IPC: A61P17/00
Filed: 1997-01-23
Abstract: 피부병학적 질환, 시간적 노화 및 환경적 혹사로부터 일어나는 상태를 포함하는 피부 상태를 치료하기 위한 화장 방법 및 조성물을 제공한다.  제약적으로 허용가능한 담체 중에 활성 성분으로 사용되는 레티놀 또는 그의 C 18 -C 30 지방산 에스테르와 배합된 살리실산의 비환식 에스테르화 C 11 -C 30 알킬 또는 알케닐 에스테르를 피부에 적용한다.  트리데실 살리실레이트가 살리실레이트 에스테르로 가장 바람직하고, 레티닐 리놀레에이트가 레티놀 지방산 에스테르로 가장 바람직하다.
Patent KR-20000064763-A (KR)
Title: 디올디에스테르로부터폴리에테르에스테르수지의제조방법
IPC: C08G63/676
Filed: 1997-03-13
Abstract: 본 발명은 폴리에테르에스테르 수지를 제조하는 방법에 관한 것이다. 당해 방법은 폴리에테르에스테르 수지를 제조하기 위해 디에스테르를 폴리에테르의 탄소-산소 결합속으로 임의의 삽입을 촉진시키는 촉매의 존재하에 폴리에테르를 디올 디에스테르와 반응시킴을 특징으로 한다. 본 발명의 방법은 많은 잇점을 제공하는데, 예를 들면, 수지 수율을 높이고, 부산물 생성을 감소시키며, 색값이 낮고 산 가가 낮은 수지를 제조하는 능력을 제공한다. 당해 수지는 폴리에테르에스테르 열경화성 수지를 제조하는데 유용하다.
Patent KR-20000010780-A (KR)
Inventor: WALTI ERNST RUDOLF
IPC: A61P35/02
Filed: 1997-05-04
Abstract: 본 발명은  in vitro 또는 in vivo에서 포유류 세포를 죽이거나 또는 증식시키기 위해 유전자 물질을 효과적으로 수송할 수 있는 양전하를 띈 비로좀에 관계한다.  비로좀 막에는 양이온 및 다가양이온 지질, 적어도 한 개의 바이러스성 융합 단백질 및 적어도 한 개의 세포-특이적인 표식을 포함하는데, 표식은 표적 세포의 선택 및 결합을 위해 단클론항체, 항체 단편 F(ab') 2 , Fab', 사이토킨, 생장인자에서 선택된다.  본 발명은 또한 신규한 비로좀의 제조방법 및 이의 용도 특히, 암 또는 백혈병을 치료하기 위한 제약학적 조성물을 제조하는데 이용하는 것을 제공한다.
Patent KR-20000011023-A (KR)
Title: Polyhydroxy phenol derivative and preventive and therapeutic agent of bone and cartilage disease
Inventor: SAKAI GUNIKATS
IPC: C07C45/51
Filed: 1997-05-14
Abstract: PURPOSE: The invention relates to new polyhydroxy phenol derivatives, their salts and drug compositions containing them which are developed to be used in prevention and treatment of diseases accompanying alteration of cartilage and necrosis. The purpose of the invention is to provide improved treating methods and new effective preventive and therapeutic drugs. CONSTITUTION: The invention relates to new polyhydroxy phenol derivatives, their salts and drug compositions containing them which are developed to be used in prevention and treatment of diseases accompanying alteration of cartilage and necrosis such as bone-absorbent disease, deformative arthralgia, rheumatoid arthritis, etc.
Patent KR-20000051117-A (KR)
Inventor: CHO SEONG YONG
IPC: G11B31/00
Filed: 1999-01-19
Abstract: PURPOSE: An automatic searching apparatus and method using client information is provided to obtain desired information within a short time by automatically searching a desired image signal on the basis of client information as necessary after multiplexing an image signal provided from a camera and the client information provided from a card terminal. CONSTITUTION: A video camera (100) for photographing an object to be watched. A system (200) multiplexes the image photographed by the video camera (100) client information received from various card terminals and outputs it. A VCR (300) records the signal outputted from the system (200) to reproduce the image photographed by the video camera (100) later, performs searching in a high speed mode by using the client information received from the system (200) and reproduces in a standard mode from the searched time point in case that a desire time point is searched. A monitor (400) outputs the image signal photographed by the video camera (100) and the signal reproduced from the VCR to a screen.
Patent KR-19990064420-A (KR)
Title: 소다석회 규산염의 폐유리를 원료로 한 경량골재의 제조방법
Filed: 1999-01-21
Abstract: (목적) 개기공이 생겨서 단열 및 방음성이 나빠지고, 또한 흡습되어 동파가 생기며 내측부의 발포가 불균일 해지고, 생산성이 좋고, 발포가 불균일 해지지 않는 폐유리를 원료로 한 발포유리의 제조방법을 제공함을 목적으로 한다. 
     (구성) 미세한 유리분말에 탄소를 균일하게 혼합한 것을 금속형틀에 이형제로 알루미나 슬러리를 도포한 형틀에 넣고 전기머플로에서 1차 승온 속도를 5∼8℃/min로 승온시켜 730°∼780℃에 30분간 유지시킨 후 2차 승온 속도를 1°∼5℃로 하여 920°∼980℃에서 30분간 유지시켜 폐유리를 원료로 한 경량골재를 제조한다.
Patent KR-20000051453-A (KR)
Inventor: SHIN SUN CHEOL
IPC: H01J29/02
Filed: 1999-01-22
Abstract: PURPOSE: A shadow mask frame assembly for a plane cathode ray tube is provided to minimize a contraction of a plane shadow mask caused by tension or exterior impact. CONSTITUTION: A shadow mask frame assembly includes a shadow mask(20) selecting color of an electron beam and a frame(30) supporting the shadow mask(20). The frame(30) has a pair of supporting members(31,32) facing each other and a pair of elastic members(33,34) perpendicularly connecting both ends of the supporting members(31,32). The shadow mask(20) has a thin plated body(21) of which both opposing sides are supported by the supporting members(31,32), and a plurality of slits(23) through which an electron beam passes and which are formed in the body(21) at regular intervals parallel to each other. In particular, each slit(23) is divided into several units by tie bars(24) connecting both strips(22) formed at sides of the slit(23). Accordingly, the tie bars(24) prevent a contraction of the slits(23) and the shadow mask(20).
Patent KR-20000051967-A (KR)
Inventor: CHOI TAE KEUN
IPC: C07C57/58
Filed: 1999-01-28
Abstract: PURPOSE: A process for preparing aromatic propionic acids using fluorobiphenyl instead of bromine group substituted fluorobiphenyl is provided which can produce the title compounds in a high yield and in a simple manner. CONSTITUTION: 2-Fluorobiphenyl of the formula 2 and halogenated aluminium or halogenated zinc are reacted with 2-bromopropionate of the formula 3, acid-treated, and crystallized with a solvent at -20 to 50°C (preferably 0 to 20°C) to give a compound of the formula 1 having a strong and persistent effect upon analgesia and antiphlogosis. The metal catalyst uses magnesium or zinc in an amount of 0.2 to 5 equivalent. The solvent is an organic solvent such as ethyl acetate, ether, acetone, benzene, toluene, 1,4-dioxane, and tetrahydrofuran. The process is industrially advantageous without requiring separate purification processes because of producing no side products.
Patent KR-20000056777-A (KR)
Inventor: LEE SANG HA
IPC: F03B17/02
Filed: 1999-02-23
Abstract: PURPOSE: A rotation system utilizing buoyant force is provided to generate electric power by turning wheels. CONSTITUTION: A rotation system employs a belt(2) arranged inside a pipe(3). When the pipe(3) is fed with water, the belt(2) rises within the pipe(3) due to a buoyant force, thus turning a wheel(1). When water is supplied to the pipe(3), the water leaks from a gap between the belt(2) and the pipe(3). Such a water leakage is supplemented by supplying water from above the pipe(3). As the thickness of the belt(2) increases, the volume of buoyant force within the pipe(3) increases, thus increasing force to turn the wheel(1). If the gap between the belt(2) and the pipe(3) is decreased to minimum, and pushed by wind or compressed air, the buoyant energy becomes larger than the sum of energy of wind or compressed air and the energy for supplementing the water.
Patent KR-20000060047-A (KR)
Inventor: KIM SU YEON
IPC: G08B13/14
Filed: 1999-03-11
Abstract: PURPOSE: An equipment security system is provided to prevent thefts by placing the device below the equipment, which the user desires to protect, detecting the separation of the equipment from the device and sounding the buzzer. CONSTITUTION: An equipment security system is composed of transmission, switching, and control. The functions of the user selector(302), stabilization/separation status detector(304), operation controller(306), and buzzer operator(308) are identical to diagram 1, therefore their details will be omitted. The wireless transmitter(310) sends the buzzer operation signal, which is activated by the buzzer operator, to the theft alarm device(320) through wireless communication. The theft alarm device is composed of a wireless receiver(322), more than one buzzers(308,328,...), a power supply(324), and a switch department(326). The theft alarm device is installed in a location where it can be easily monitored by the user. The power supply provides the necessary power for setting off the theft alarm. The switch department executes the switching between the buzzers and the power supply through the switching signals that have been generated by the wireless receiver(322). The wireless receiver receives the buzzer operation signals that have been transmitted by the wireless transmitter and generates the switching control signal designed to control the switch department in order to supply power from the power supply to the buzzers.
Patent KR-20000060817-A (KR)
Inventor: KIM GI SEONG
IPC: C21C7/064
Filed: 1999-03-19
Abstract: PURPOSE: A method of treating post-phosphorus in a blast electric furnace is provided to activate the slag forming and to lower the density of a phosphorus in end of the line as promoting the assistant material ashed along with securing the heat source of an electric furnace by injecting a slag of high temperature, generated in a deoxidized steel, into an electric furnace. CONSTITUTION: A method of treating post-phosphorus in a blast electric furnace comprises : a step of first charging ; a step of first smelting to add quicklime into a first smelting tool ; a step of adding a slag of high temperature generated in an aluminum post-oxygen steel ; a step of second harging ; a step of second smelting to add quicklime and dolomite into a second smelting tool ; a step of refining. And a basicity(CaO/SiO2) of liquefied slag is four or more, the sum of CaO and Al2O3 is more than 70%, and the density of SiO2 is less than 10%.
Patent KR-19990087889-A (KR)
Title: 적외선가스브로일러를구비한전기조리오븐
IPC: F24C7/00
Filed: 1999-04-03
Abstract: 본 발명은 오븐의 바닥부에 간접 굽기, 데우기, 및 고온 자체 세정하기 위한 가열 요소를 구비하고, 오븐의 상부에 적외선 가스 브로일러를 구비한 조리 오븐에 관한 것이다.  적외선 가스 브로일러에는 오븐의 외부로부터 오븐의 내로 청정 공기를 흡입하기 위해 연료 가스의 흐름을 사용하는 벤튜리 튜브로부터 연료 가스/공기 혼합물이 공급된다.  연소된 가스를 배출하기 위해 오븐의 상부 후방에는 연관 덕트가 제공되지만, 가스 오븐에 통상 필요한 2차 공기용의 다른 개구는 제공되지 않는다.  벤튜리 튜브 조립체는 가스의 완전 연소를 위해 필요한 공기를 100％ 함유한 연료 가스/공기 혼합물과, 적외선을 발생시키는 온도로 세라믹 백열체를 가열시키는 연소를 위해 세라믹 백열체를 통해서 가스/공기 혼합물을 분포시키는 정압을 발생시킨다.  가스/공기 혼합물과 연소에 의해 오븐 내에 발생된 정압은 2차 공기의 유입에 의해 통상 발생된 통풍 없이 고온 가스를 오븐으로부터 연관 덕트를 통해서 연속 배출시킨다.
Patent KR-20000065839-A (KR)
Inventor: KIM JIN JUN
IPC: A61Q7/00
Filed: 1999-04-09
Abstract: PURPOSE: A pharmaceutical composition containing Canna indica extract is provided, which shows good inhibition effect of 5alpha-reductase activity, so inhibits secretion of sebum, and prevents depilation. CONSTITUTION: A process for the preparation of Canna indica extract comprises of: pulverizing Canna indica; pouring the pulverized Canna indica 300g to 80% methanol solution 3L, boiling in circulating extractor with refrigerating condenser for 3hrs; filtering with 300mesh filter sheath, and extracting the residue again for 1 time by the same process; adding each extract together, filtering the extract with the Whatman No.2 filter sheath to eliminate non-soluble material; concentrating under decompression by a distillation apparatus with refrigerating condenser at 60°C, and freeze-drying to get dried Canna indica extract 72g. The pharmaceutical composition contains Canna indica extract 0.0001-10.0wt.%, desirably 0.0005-10.0wt.%(as dried weight).
Patent KR-20000066122-A (KR)
Inventor: JUN JUN HYEON
IPC: G05F1/46
Filed: 1999-04-13
Abstract: PURPOSE: An internal power-supply generation circuit is provided to reduce a power-consumption of a semiconductor device by controlling an operation of an internal power-supply generator according to operation state and operation parameter of a semiconductor. CONSTITUTION: An internal power-supply generation circuit includes a state decoder(100), a clock cycle time detector(200), a mode decoder(300), a generator(500), and a reduced voltage generator(510). The state decoder outputs a state signal for informing an operation state of a semiconductor device. The clock cycle time detector detects a clock cycle time. The mode decoder outputs a column address strobe latency by decoding an operation mode. The controller generates many control signals for controlling an internal power-supply, by using output signals of the state decoder, the clock cycle time detector and the mode decoder. The reduced voltage generator generates a reduced voltage according to many control signals. Thereby, the circuit reduces a power-consumption of a semiconductor device.
Patent KR-20000074643-A (KR)
Inventor: KIM DONG SEON
IPC: H01L21/68
Filed: 1999-05-24
Abstract: PURPOSE: An apparatus for handling a wafer for a chemical vapor deposition(CVD) process is provided to prevent an etch process regarding a rear surface of the wafer and to load two wafers into a slot of a boat at a time, by having the rear surfaces overlap each other in the slot of a vertical furnace. CONSTITUTION: An apparatus for handling a wafer for a chemical vapor deposition(CVD) process comprises an upper tweezers(1), a lower tweezers(2) and a fixed block(4). The upper tweezers has a vacuum hole(3a) on its upper surface. The lower tweezers has a vacuum hole on its lower surface, closely adhered to a lower surface of the upper tweezers. A latter part of the upper and lower tweezers is fixed to the fixed block. A former part of the upper and lower tweezers has a tapered surface(5) which becomes narrower at the end of the former part.
Patent KR-19990088592-A (KR)
Title: 유기발광다이오드와함께모놀리식으로집적된박막트랜지스터
IPC: H01L27/15
Filed: 1999-05-27
Abstract: 본 발명은 하나 이상의 박막 트랜지스터가 발광 다이오드와 함께 모놀리식으로 집적된 장치에 관한 것이다.  박막 트랜지스터는 유기 반도체층을 가지고 있다.  발광 다이오드의 발광층도 또한 유기 물질이다.  이 장치는 박막 트랜지스터와 발광 다이오드를 기판 위에 집적하고, 저 비용 제조 방법을 사용함으로써 경제적으로 제조된다.
Patent KR-20010001617-A (KR)
Inventor: BAEK SE HYEON
IPC: G11B15/087
Filed: 1999-06-07
Abstract: PURPOSE: A method for deciding whether a video tape is writable or not is provided to use error correcting results to decide tape deterioration degrees and crosstalk degrees, thereby informing a user of whether the video tape can be used or not. CONSTITUTION: An internal code error corrector corrects data errors by using error correcting data(304S). An error counter counters the number of times relating to the errors(306S). A comparator compares the counted number of times with a predetermined threshold value(308S). If the counted number of times is bigger than the threshold value, a display controller informs a user of an alarm(310S).
Patent KR-20000006052-A (KR)
Inventor: DAKAHASIHIROYUKI
IPC: G01R31/01
Filed: 1999-06-09
Abstract: PURPOSE: Device testing electric parts is provided to subdue the limitations that the conventional testing device for electric parts has possibility to loose the continuity of circuit bringing about between wiring board at the rear side of the socket and the test dead. CONSTITUTION: The device testing electric parts comprises chamber maintained at certain condition under atmosphere temperature, opened hole of the chamber, IC socket connected electrically with IC chip for testing and this assembly operate easily and the assembly hole directing the inner portion of the chamber, socket guide supporting the IC socket and attached at the opened hole for the chamber, wiring board allocated out side of the opened hole of the chamber and connected electrically with the electrode of the IC socket, and heating board warming the wiring board and attached around the opened hole of the chamber.
Patent KR-20010004682-A (KR)
Inventor: KIM HYEON GON
IPC: H01L21/3205
Filed: 1999-06-29
Abstract: PURPOSE: A hard mask formation method in semiconductor devices is provided to allow higher integration of semiconductor devices by allowing subsequent processes to be easily performed. CONSTITUTION: A conductor for gate electrode(2) is first formed on a semiconductor substrate(1). A hard mask having a stack structure of the first silicon nitride film(3) and a silicon-rich silicon oxynitride film(3') is formed on the entire structure. Then, the conductor for gate electrode and the hard mask are patterned to form a gate electrode. After an insulating film spacer is formed of the second silicon nitride film(4) on the sidewall of the gate electrode, an interlayer insulating film(5) is formed on the entire structure. Next, the interlayer insulating film at the cell region in the semiconductor substrate is etched by self-aligned manner to thus form a contact hole. Thereafter, a conductor for contact plug to fill the contact hole is formed and is then etched until the first silicon nitride film is exposed, thus filling between the gate electrodes with the interlayer insulating film at the same time of forming a contact plug.
Patent KR-20010009363-A (KR)
Inventor: JO SEONG KUK
IPC: G06Q30/02
Filed: 1999-07-09
Abstract: PURPOSE: A method for producing a banner page is provided to display the banner linked to a user's home page and increase the number of banner page with geometric series. CONSTITUTION: A user B connects to a home page of the user A in order to make a new banner page. In the banner page of A, there are a plurality of instructions, banners and registration item part. A continue button is positioned to the lower end of the banner. The user B reads the instructions and fully aware of the instructions. The user B connects to the home page of A by clicking the first A banner among the arranged plural banners. After closing the home page of A, the user returns the banner page of A. The above processes to the remnant banners are repeated. When only the whole plural banners are clicked, the registration item part is displayed. Thereafter, the new B banner page is produced by clicking the continue button. That is, the information of user B is transmitted to a server manager and then a banner page having a new address is produced.
Patent KR-20010010229-A (KR)
Inventor: LEE JIN SEOK
IPC: G09G3/30
Filed: 1999-07-16
Abstract: PURPOSE: A drive control method of ELD(ElectroLuminesence Display) is provided to minimize the waveform distortion of drive voltage applied to the ELD(Electro Luminesence Display) having a great screen, thereby improving the ununiformity of the screen and the limit of select lines due to the waveform distortion. CONSTITUTION: The driver of ELD(ElectroLuminesence Display) comprises an input source(1), a control frame buffer(2), an ELD(ElectroLuminesence Display)(20), an EL voltage driver(3), a data shift register(21), a selector shift register(22) and line drivers(23). Data to be displayed on a screen are input to the ELD(ElectroLuminesence Display)(20) through the input source(1) and the buffer(2). Drive voltage is applied to column and row electrodes of the ELD(ElectroLuminesence Display)(20) through the EL voltage driver(3). The input data and the drive voltage are applied to the ELD(ElectroLuminesence Display)(20) through the registers(21,22) and the line drivers(23).
Patent KR-20010010643-A (KR)
Inventor: LEE YEONG JE
IPC: E01B5/14
Filed: 1999-07-21
Abstract: PURPOSE: A damper for a rail of a railroad is provided to reduce the squeal noise that occurs around the area where a wheel and a rail are contacted, and reduce the cost of management, and improve the efficiency of work. CONSTITUTION: A damper for a rail(9) of a railroad comprises; a vibration damping member(13) fixed closely on the outside of a web of a rail by an adhesive, and reduce the squeal noise and the vibration that occur around the area where a wheel and a rail are contacted during traveling of a train; and a reinforcing member(14) is fixed closely on the outside of the vibration damping member protects the vibration damping member from dust, rain, soil, gravel and etc. The vibration damping member is made of rubber, and the reinforcing member is made of a metal plate and formed to be corresponded to the shape of the web.