baber/WOPTO huggingface dataset:
Patent KR-20000026147-A (KR)
Title: Apparatus for cutting fuel supply to vehicle
Inventor: JEONG HAE JU
IPC: F02M37/08
Filed: 1998-10-17
Abstract: PURPOSE: An apparatus is provided to cut fuel supply through multi-steps to prevent fire caused by fuel leakage after accidents of vehicles. CONSTITUTION: A controller for a vehicle is operated by: detecting the collision between vehicles through signals from a collision sensor(10) and deciding if the impact is higher than the set reference; deciding if the vehicle is stopped through signals from a velocity sensor(20) if the impact is higher than the set reference; outputting signals from a fuel cut valve(40) for fuel if the vehicle is stopped; delaying the output of the signals from the fuel cut valve until the vehicle is stopped if the vehicle is traveling; and outputting signals to stop pumping fuel to a fuel pump(50) and outputting signals to stop spraying fuel to a fuel sprayer(60) after outputting the signals from the fuel cut valve. Therefore, the controller prevents fire caused by fuel leakage if a collision accidents occurs.
Patent KR-19990062533-A (KR)
Title: 지에스엠 단말기의 알에프부 제어장치
IPC: H03J1/00
Filed: 1998-10-19
Abstract: 시분할 다중 접속 카운터와, 클럭발생부를 가지는 지에스엠 단말기의 알에프부를 제어하는 장치에 관한 것으로, 상기 시분할 다중 접속 카운터의 인터럽트를 받아 상기 클럭발생부로부터 클럭을 발생시키도록 제어하며, 소정의 제어신호를 출력하는 제어부와, 상기 클럭발생부로부터 발생되는 상기 클럭과 상기 제어부로부터 발생되는 상기 소정의 제어 신호에 의해 알에프 제어신호를 출력하는 알에프 제어부로 이루어짐을 특징으로 한다.
Patent KR-19990045156-A (KR)
Title: 에어백 유닛용 커버 캡
IPC: B60R21/215
Filed: 1998-11-10
Abstract: 조향 휠에 내장된 에어백 유닛용 커버 캡은 혼(horn) 접점을 작동시키도록 그 캡의 작동 표면에 거의 수직으로 이동 할 수 있다.  상기 커버 캡(1)은 합성 재료로 구성되며, 일체로 성형된 가요성 웹을 구비하며, 상기 웹은 조향 휠의 프레임부를 향하는 방향으로 캡의 외측 연부로부터 연장한다.  이 웹은 캡의 외측 연부와 조향 휠의 프레임부 사이에 있는 간극을 감싸게 된다.
Patent KR-20000037621-A (KR)
Title: Multimedia mail telephone
Inventor: PARK JONG HUN
IPC: H04M1/64
Filed: 1998-12-01
Abstract: PURPOSE: A multimedia mail telephone is provided to store multimedia mail information while a receiver is away by leaving a message of a transmitter through an audio and a video using a video telephone while the receiver is away. CONSTITUTION: A modem(10) modulates and demodulates a video/audio signal to transmit and receive the video/audio signal through a telephone network. A video compressing unit(30) compresses a self-video from a camera. An audio compressing unit(40) compresses an audio data from a mike. A multiplexing unit(20) multiplexes a compressed video and audio data. A demultiplexing unit(50) divides data of a transmitter into an audio and video data. A video recovering unit(60) recovers the compressed video data. An audio recovering unit(70) recovers the compressed audio data. A memory unit(80) stores a message of the transmitter while a receiver is away. A multimedia mail managing unit(90) adjusts a data path between the receiver and the transmitter and manages the memory unit(80). A switch(100) switches the data path according to a control signal from the multimedia mail managing unit(90).
Patent KR-20000039713-A (KR)
Title: Device for controlling interface of frame buffer
Inventor: KWON KI YONG
IPC: G09G5/393
Filed: 1998-12-15
Abstract: PURPOSE: A device for controlling an interface of a frame buffer is provided so that pixel data conversion between a big Endian and a little Endian and between an 8bit-1byte data and a 9bit-1byte data can be performed at the same time, between an 8bit-1byte PCI host bus and a 9bit-1byte RAM bus DRAM which use system memories having different byte definition and bus Endians. CONSTITUTION: A byte swapping/sampling controller(5) is connected between a PCI host bus(4) and a FIFO(6), for performing a data conversion between a big-Endian data and a little-Endian data and between a system data and a user data. A byte conversion/view selection controller(7) is connected between the FIFO(6) and an SRAM(8), for converting an 8bit-1byte data into a 9bit-1byte data or vice versa according to a selected view. An RAC(9) stores the pixel data from the SRAM(8) in a RAM bus DRAM(10), and outputs the pixel data stored in the RAM bus DRAM(10) to a display device.
Patent KR-20000039968-A (KR)
Title: Apparatus for switching time information in mobile communication system of cdma type
Inventor: JANG OK HOON
IPC: H04B1/7075
Filed: 1998-12-16
Abstract: PURPOSE: An apparatus for switching time information in a mobile communication system of a CDMA type is provided to stably offer a time information signal, by duplicating a time information signal from a GPS time and frequency unit(GTFU) in a GPS switching and diagnosis assembly(GSDA) and performing a switching operation in order to output a normal time information signal. CONSTITUTION: Duplication GTFUs(10),(20) include oscillators of 10MHz used as clock supply devices, and measures time offsets between 1 pulse per second(PPS) obtained by dividing 10MHz and 1PPS generated from a GPS receiver. The GTFU(10) is set as an active GTFU and the GTFU(20) is also set as a standby GTFU. Duplication GSDAs(30),(40) compare the 10MHz, 1PPS and time information from the GTFU(10) with those from GTFU(20), and then synchronize the frequencies of 10MHz and the pulses of 1PPS. The duplication GSDAs(30),(40) further output the time information of 27 bytes which includes diagnosis information of the duplication GSDAs(30),(40).
Patent KR-20000040355-A (KR)
Title: Ic package for control of game machine
Inventor: FUKUSHIMA SEIICHIRO
IPC: H01L23/48
Filed: 1998-12-18
Abstract: PURPOSE: An IC package such as CPU or ROM for a control of a game machine is provided to prevent illegal replacement or concealment of IC chips within the package. CONSTITUTION: An IC package(33) for a control of a game machine is molded by transparent resin. Therefore, leads(32) as well as a chip(31) are all visible through the transparent resin. In a manufacture of the IC package(33), the leads(32) are molded first by the transparent resin and thereby a frame of the package(33) is formed to define a central window(33a). The chip(31) is then accommodated in the window(33a) and electrically connected with the respective leads(32) by wire bonding. Finally, the window(33a) is filled with the transparent resin or alternatively sealed by a cover. Otherwise, it is possible to either install a convex lens over the window(33a) or insert a light-emitting diode into the package(33).
Patent KR-19990063522-A (KR)
Title: 버클 조립체
IPC: A44B11/26
Filed: 1998-12-28
Abstract: 플러그와 소켓형 버클 조립체에 있어서, 플러그 부재는 기저부 및 그 기저부와 일체적으로 형성된 가요성 판을 구비한다.  가요성 판에는 하나 이상의 개구부를 구비한다.  체결 러그는 상기 가요성 판의 자유 단부를 가로질러 연장하고, 그 가요성 판의 평면 아래로 돌출한다.  소켓 부재는 상부 및 그 상부와 일체적으로 형성된 하부를 구비하여 상기 플러그 부재 수납용으로 공동을 형성한다.  소켓 부재의 상부에는 그 상부와 일체적으로 형성되고 하향으로 돌출하는 팁이 있는 가요성 해제 버튼이 마련된다.  플러그 부재가 소켓 부재에 삽입될 때, 소켓 부재의 상부 내면에는 하나 이상의 개구부와 맞물리기 위한 하나 이상의 돌출 턱이 배치된다.  가요성 텅은 하부와 일체적으로 형성되고, 플러그 부재가 소켓 부재에 삽입될 때, 체결 러그와 맞물리기 위한 수단을 구비한다.  플러그 부재가 소켓 부재에 삽입되어 있을 때, 해제 버튼을 하방 가압하면 개구부가 돌출 턱으로부터 분리된다.  상기 해제 버튼을 더 가압하면 해제 버튼의 팁이 가요성 텅을 굴곡시켜, 체결 러그를 가요성 텅으로부터 해제시킴으로써 플러그 부재가 소켓 부재로부터 분리된다.
Patent KR-20000043175-A (KR)
Title: Power controller for microwave oven
Inventor: YUN JAE YEON
IPC: F24C7/08
Filed: 1998-12-28
Abstract: PURPOSE: A power controller for a microwave oven is provided to minimize momentary excessive power by controlling the phase of power. CONSTITUTION: A power feed line(50) supplies AC(alternating currents) and a phase detecting unit(100) outputs the phase-detected waveform by detecting the phase of the AC. A switching control unit(300) opens/closes the pass of supplied power and a control unit(200) turns on/off the switching control unit based on the phase-detected waveform. The phase control point of the AC is detected to prevent the power from being supplied excessively in driving a microwave oven.
Patent KR-20000043770-A (KR)
Title: Composition for eliminating sulfur from molten steel for collecting powder of deoxidized aluminum steel
Inventor: AHN SANG BOK
IPC: C21C1/02
Filed: 1998-12-29
Abstract: PURPOSE: A composition for eliminating sulfur from molten steel for collecting the powder of deoxidized aluminum steel is provided to improve the reactive speed of eliminating sulfur for the deoxidized aluminum steel and to improve the efficiency of eliminating sulfur at low price. CONSTITUTION: To prepare a composition for eliminating sulfur from molten metal of deoxidized aluminum steel, 10-20wt% of CaF2 and 20-30wt% of Al dross are added to CaCO3 for being mixed. And, the composition contains calcium carbide for 50-60wt% of entire composition. Herein, the diameter of particles in the composition is under 1mm. Therefore, the composition for eliminating sulfur from molten metal of deoxidized aluminum steel is supplied by using aluminum dross as a raw material. The composition has excellent capacity for eliminating sulfur from molten metal at a low price. Herein, the aluminum dross is discharged from an aluminum refinery as a by-product.
Patent KR-20000044065-A (KR)
Title: Apparatus for controlling camera of video conference system
Inventor: LEE CHANG GWON
IPC: H04N7/15
Filed: 1998-12-30
Abstract: PURPOSE: An apparatus for controlling a camera of a video conference system is provided to control a direction of a camera toward the parties concerned of a conference. CONSTITUTION: An apparatus for controlling a camera of a video conference system comprises a microphone mixer(10), a camera control portion(20), an audio amplification portion(30), a camera portion(50), a video amplification portion(60), a camera rotation portion, and a transmission portion(80). The microphone mixer receives audio signals from a plurality of microphone and mixes the received audio signals. The camera control portion outputs a camera control signal for rotating a camera and controlling a zoom lens of a camera. The audio amplification portion amplifies and processes the mixed signals. The camera portion performs a zoom function according to the control signal. The video amplification portion amplifies and processes a video signal from the camera portion. The camera rotation portion controls rotation of the camera. The transmission portion transmits the video signal and the audio signal.
Patent KR-20000044735-A (KR)
Title: Motion estimator
Inventor: JANG DONG IL
IPC: H04N19/51
Filed: 1998-12-30
Abstract: PURPOSE: A motion estimator is provided to estimate a motion between a current frame and a previous frame by using temporal correlation of pictures. CONSTITUTION: A motion estimator comprises a previous frame reconstruction portion(240), a block matching portion(250), a search area estimation portion(260), a candidate block separation portion(270), and a motion estimation portion(280). The previous frame reconstruction portion moves each block of a n-1th frame as much as corresponding previous motion vectors and generates moved motion blocks. The block matching portion matches the motion blocks of the n-1 th frame on search blocks of a n-th frame to detect overlapped motion blocks and calculates an overlapped area of the overlapped motion blocks. The search area estimation portion calculates a search area estimation vector and generates a search area of M*M size. The candidate block separation portion separates the search area of the n-1 th frame into a multitude of candidate blocks having the same size as the search block. The motion estimation portion calculates similarity between the search block and the candidate blocks and detects a motion vector between the most similar blocks.
Patent KR-20000046577-A (KR)
Title: F interface apparatus in telecommunication management network
Inventor: HA KYONG HO
IPC: H04L29/10
Filed: 1998-12-31
Abstract: PURPOSE: An F interface apparatus in the telecommunication management network is provided to achieve the conversion of messages transmitted between an OSF(Operation System Function) part and a WSF(WorkStation Function) part. CONSTITUTION: An F interface apparatus consists of a WSF part(200) provided with an HMI(Human-Machine Interface) part(201) and an OSF part(210) composed of a gateway function part(220) and an MOHF(Managed Object Handling Function) part(230). The gateway function part(220) comprises an MCMF(Message Conversion to Manager Function) part(221) and an MCGF(Message Conversion to Gateway Function) part(222). The MCMF(221) converts a GUI information model message transmitted from the HMI part(201) into a CMIP/ASI.1(Common Management Information Protocol/Abstract Syntax Notation one) information model. The MCGF(221) converts a CMIP/ASI.1 information model message transmitted from a managed object into a GUI information model. The MOHF part(230) is comprised of a managed object(231), a fault management object(232), a performance management object(233) and a configuration management object(234).
Patent KR-19990044181-A (KR)
Title: 팽창 부재 전개용 액체 추진제 팽창 장치
IPC: B60R21/264
Filed: 1997-06-26
Abstract: 모터 차량내의 안전 백과 같은 팽창 부재를 전개하는 장치(10)는 처음에 발화성 기폭제에 의해 발생되는 연소실(22)내의 유체 압력을 증폭시키는 유압 액추에이터(16,18,27,24)를 포함하고, 연소실 유체 압력을 초과하는 크기로 액체 추진제 저장실(30)을 지속적으로 가압하기 위해 증폭된 유체 압력을 제공한다. 그후 저장실내의 모든 액체 추진제는 점화 및 지속적인 연소를 위해 연소실내로 지속적인 흐름으로 빠르게 분사하므로써 안전 백을 완전히 팽창시키는데 필요한 연소가스의 체적을 발생시킨다.
Patent KR-19990082001-A (KR)
IPC: D06F73/00
Filed: 1997-01-23
Abstract: PCT No. PCT/IT97/00015 Sec. 371 Date Jul. 24, 1998 Sec. 102(e) Date Jul. 24, 1998 PCT Filed Jan. 23, 1997 PCT Pub. No. WO97/27355 PCT Pub. Date Jul. 31, 1997An automatic plant (20) for pressing and unloading trousers (26, 27) using a plurality of machines (22, 23, 24, 25) for pressing said trousers by means of steam and/or hot air, each of which machines being provided with first means (10, 11) for blocking and unblocking an upper end of an article of clothing, and second means (12, 13) for blocking and unblocking lower ends of a same article of clothing, as well as with third means (15) for expelling and directing steam and/or hot air internally of said trousers when they are blocked by said first and second means. Said machines (22, 23, 24, 25) are mounted on a movable carousel continuously moving along a predetermined route, in such a way that said trousers (26, 27) are subjected to a pressing operation by means of steam and/or hot air for the whole period of time comprised from loading to the unloading operations of said trousers.
Patent KR-19990037770-A (KR)
Title: 장식용볼구조
Filed: 1999-01-18
Abstract: 아파트, 빌딩 등의 비상용 계단에 설치되는 난간용 구조물 상단에 고정되는 구(球)형상의 장식용 볼을 반구(半球) 형상으로 분할형성하여 외주연에 띠를 휘감아 고정시키며, 상단에 장식용 꼭지를 형성하여 장식기능을 배가시킬 수 있도록 한 장식용 볼구조에 관한 것이다. 
     바람직한 실시예에 의하면, 반구 형상으로 분할형성되는 상,하반구; 상기 상,하반구를 밀착시켜 구형상을 이루도록 가고정시 원주방향으로 형성되는 요홈에 장착되는 장식용 띠; 및 상기 상반구 상단에 소정의 고정수단에 의해 고정되는 반구 형상의 장식용 꼭지를 구비하여 구성됨을 특징으로 하는 장식용 볼구조를 제공한다. 
     이로 인해, 아파트, 빌딩 등의 비상용 계단에 설치되는 난간용 구조물 상단에 고정되는 구형상의 장식용 볼을 반구 형상으로 분할형성하여 외주연에 장식용 띠를 휘감아 고정시키며, 상단에 장식용 꼭지를 형성하여 외관상 느끼는 심미감이 향상되어 장식기능을 배가시킬 수 있도록 한 것이다. 장식용 볼을 제작하는 작업공수를 단축시켜 작업성을 대폭적으로 향상시키며, 이로 인해 원가비용을 줄여 제품의 경쟁력을 높일 수 있도록 한 이점을 갖는다.
Patent KR-20000056340-A (KR)
Title: Portable truck scale
Inventor: JANG SE YEOL
IPC: G01G19/02
Filed: 1999-02-19
Abstract: PURPOSE: A portable truck scale is provided to lighten a whole scale by not using a cast-metal housing and simply and fast measure a stacking weight of a truck by incorporating a load cell in a platform, coupling a supporting part with a bottom surface of the load cell, and forming lamps detachably or foldably to both end parts of a platform. CONSTITUTION: A portable truck scale includes a plurality of diaphragm type load cells(2) having a supporting part(6) at a lower part and electrically connected to an external display element, a platform(3) formed with a plurality of grooves for the load cells at a bottom surface and formed with concave coupling parts(8) at both side end parts, and lamps(4,4') having a protrusion part(7) to be engaged with the concave coupling parts of the platform.
Patent KR-19990077584-A (KR)
Title: 거리검출방법및그장치
IPC: H04W24/00
Filed: 1999-03-04
Abstract: 본 발명에 따르면, 통신국 A가 갖는 타이머에서 발생한 기준 타이밍에 근거하여 주기성을 가지는 신호를 통신국 B로 송신하는 한편, 통신국 A의 송신 신호를 수신한 통신국 B가 그 내부에서 발생한 기준 타이밍에 근거해 생성하여 송신한 신호를 수신하고, 상기 송신 신호와 수신 신호의 위상차를 검출하여 통신국 A와 통신국 B 사이의 거리를 검출한다.
Patent KR-19990077695-A (KR)
Title: 잉크젯 프린팅 장치용 프린트헤드, 다공성판과 그 형성 방법 및 프린트헤드 구성 방법
IPC: B41J2/135
Filed: 1999-03-09
Abstract: 본 발명은 오리피스 모두가 잉크를 분출하도록 한 개의 잉크 화이어링 챔버(207)에 연관된 적어도 두 개의 잉크 분출 오리피스(1103, 1107)를 갖는 오리피스판(107')을 이용하는 잉크젯 프린터용 프린트헤드에 관한 것이다.  이들 오리피스는 비원형으로 이들간의 중간 지점을 중심으로 서로 반대편에 있다.
Patent KR-20000060204-A (KR)
Inventor: JI YEONG TAE
IPC: H01L21/66
Filed: 1999-03-12
Abstract: PURPOSE: An ozone density monitoring system of a semiconductor device is provided to improve the working efficiency and the productivity of a semiconductor device by automatically measuring the ozone density in the air remaining in the semiconductor device. CONSTITUTION: An ozone density monitoring system(100) comprises a plurality of semiconductor instruments(200). An automatic air supplying unit(400) is provided to allow the air in the semiconductor instruments(100) and the external air to selectively flow into a body. The automatic air supplying unit(400) is connected to the body through air passages(300). A measuring device is provided to measure the ozone density contained in the air. The measuring device is connected to the automatic air supplying unit(400).
Patent KR-19990078245-A (KR)
Title: 황 산화물용 저장물질
IPC: B01D53/50
Filed: 1999-03-25
Abstract: 본 발명은 마그네슘-알루미네이트 스피넬(MgO·Al 2 O 3 )을 함유하고, 소위 황 트랩으로서 사용하여 공업적 공정의 산소 함유 배기 가스로부터 황 산화물을 제거할 수 있는 황 산화물용 저장 물질에 관한 것이다.  특히, 황의 독 작용으로부터 배기 가스 촉매를 보호하기 위하여 배기 가스로부터 황 산화물을 제거하는 내연 기관의 촉매적 배기 가스 정제에 사용할 수 있다.  본 물질은, 산화마그네슘 대 산화알루미늄의 몰 비가 1.1:1 이상이고 화학양론적 과량으로 존재하는 산화마그네슘이 상당히 분산된 형태로 균질하게 분포되어 있음을 특징으로 한다.
Patent KR-20000061972-A (KR)
Inventor: LEE CHANG JIN
IPC: A61L2/00
Filed: 1999-03-29
Abstract: PURPOSE: Functional fancy goods using medicinal herbs for aroma therapy are provided, to keep one's health, prevent a disease, or improve immunity with the aroma of herb. CONSTITUTION: The functional fancy goods using medicinal herbs for aroma therapy are manufactured by selecting one from an unprocessed herb, a processed herb, processed herb granules or fine processed herb powder, or the ingredients; and adding the herb(2) to fancy goods(1) in the production process of fancy goods or materials, or after the production.
Patent KR-19990083091-A (KR)
Title: 고니오색채 색소 및 고니오색채 색소의 색상 중 하나를 갖는 단일색채 색소의 혼합물을 함유하는 메이크업 키트 및 그의 용도
IPC: A61Q1/04
Filed: 1999-04-09
Abstract: 본 발명은 기저층을 형성할 목적의 제 1 의 고니오색채 색소 조성물 및 제 1 색소의 색깔 중 하나를 갖는 통상의 제 2 색소 조성물 (이러한 제 2 조성물은 장식적인 모티프 (motif)를 포함하는 표면층을 형성할 목적을 갖는다) 을 함유하는 신규 메이크업 키트에 관한 것이다.     그러므로, 바라보는 각도에 따라 상기 모티프가 나타나거나 사라지는 것을 알 수 있다.     이러한 키트는 특히 손톱, 입술, 뺨 또는 눈꺼풀, 또는 그밖의 신체를 메이크업하는 목적으로 쓰인다.     본 발명은 또한 사람의 얼굴, 입술 또는 신체를 메이크업 하는 방법에 관한 것이다.
Patent KR-20000066587-A (KR)
Inventor: KANG YOUNG MAN
IPC: C04B18/16
Filed: 1999-04-19
Abstract: PURPOSE: A manufacturing method of cement block using waste lime is provided, which has economical effects arising from environmental protection and recycling industrial wastes. CONSTITUTION: The manufacturing method of cement block (pathway blocks, revetment stones and boarder stones) using waste lime comprises the steps of: mixing 80-150 kg of water with 1 cm¬3 of concrete and adding 30-1200 kg of waste lime followed by agitating; adding 19-5 mm of aggregates or 500-1500 kg of grinded waste concrete, smaller than 5 mm of sand or 0-500 kg of grinded waste concrete, 200-50 kg of cement, up to 4% of used cement of admixture, and water/cement, 20-35% of water; pressure-forming; pouring mixture to the above formed body, where the mixture consists 100-2000 kg of aggregates (8-0.5mm size)/1m3, concrete, 280-400 kg of cement, 80-150 kg of water, and up to 4% of used cement of KSF2560 (admixture for concrete); forming by vibration-pressure; curing at 60°C for 10 hrs.; fixing waste lime by spreading with emulsion-typed epoxy, urethane or acrylic resin.
Patent KR-20000074905-A (KR)
Inventor: KIM SEONG CHIL
IPC: H04Q1/28
Filed: 1999-05-27
Abstract: PURPOSE: An apparatus for detecting a power disconnection is provided for judging whether a restart is performed when an error occurs in a power of an apparatus having a power pack in a system which uses a dual power pack, and an applying power is reapplied at the time when a board supply power is disconnected, removing an error reason of the power pack, continuously providing a power to a board for a certain time without stopping a service and restarting the power pack when a power is reapplied within a certain time. CONSTITUTION: A latch unit(210) latches a power supply state of a power pack during a dual power pack. A counter(220) counts a power state signal transferred from the latch unit(210) in accordance with an externally inputted clock signal. A storing unit(230) outputs a stored reference clock signal in accordance with the clock signal. A reset signal generation controller(240) receives a reference clock signal from the storing unit(230) and a power state signal counting value of the counter(220) in accordance with the clock signal and determines a reset state of the power pack and generates a reset signal for resetting the power pack.
Patent KR-20010002421-A (KR)
Inventor: CHO JEONG HO
IPC: H01L41/08
Filed: 1999-06-15
Abstract: PURPOSE: Surface-mounting piezoelectric parts is provided to improve productivity of the parts by greatly simplifying a manufacturing process for forming the piezoelectric parts, and to increase yield without a cavity processing step. CONSTITUTION: Surface-mounting piezoelectric parts comprise an insulating material(10), a dielectric board(20) and a piezoelectric board(30). The dielectric board has an electrode unit(40) for embodying a capacitor, facing the insulating material. The piezoelectric board is connected between the insulating material and the dielectric board by a connecting material(50), in which electrodes are formed on both sides and overlapped each other. A vibrating space(S) is formed between the insulating material and respective boards(20,30). A connection unit is adjacent to the overlapped electrodes of the piezoelectric board, so as to prevent the connecting material from flowing inwards.
Patent KR-20010004662-A (KR)
Title: Synchronous memory device
Inventor: NAM YEONG JUN
IPC: G11C8/18
Filed: 1999-06-29
Abstract: PURPOSE: A synchronous memory device is provided to improve the operation reliability in a high frequency range. CONSTITUTION: A synchronous memory device comprises: an internal column strobe generation unit(20) disabling an invalid internal column strobe signal according as interrupting an internal column strobe by an operation command from the external; a burst signal generation unit(22) outputting a control signal as to the internal column strobe generation unit; a unit providing a burst length end signal to the burst signal generation unit; and a unit(24) outputting a control signal as to the burst signal generation unit. The device assures the operation of a synchronous DRAM by making the invalid internal column strobe signal not be enabled by advancing a row transition of a burst signal at a high frequency using a burst length end signal generation circuit making a row burst length signal, and also assures the operation of the synchronous DRAM by making the invalid internal column strobe signal not be enabled at a low frequency.