baber/WOPTO huggingface dataset:
Patent KR-20020024608-A (KR)
Title: Cam type press system
Inventor: LEE JUNG JAE
IPC: B30B1/26
Filed: 2000-09-26
Abstract: PURPOSE: A cam press apparatus is provided to prevent a damage of a panel surface by activating a pad for pressing and fixing the panel perpendicularly to an inclined plane of the panel in order to prevent a slip during forming a side bending portion at a start panel. CONSTITUTION: A cam press apparatus is provided with a forming punch(5) for pressing a product panel(1) at an upper portion, a pad(13) and a cam(25). The forming punch(5) is provided to a base surface(3) of a press mold and comprises a lower auxiliary punch(7) mounted to the base surface(3) and a lower auxiliary punch(11) connected over the lower auxiliary punch(7) by a left and a right hydraulic cylinder(9,9). The pad(13) presses and fixes the product panel(1) to be formed by activating the left and right hydraulic cylinder(15) and is mounted at the base surface(3) to activate perpendicularly to an inclined plane of the panel at an upper portion of the forming punch(5) through a vertical frame(19). The cam(25) has a bending shape surface(27) to form a side bending portion(23) of the panel in an undercut shape by activating the hydraulic cylinder(21) at the base surface(3).
Patent KR-20020027747-A (KR)
Title: A water soluble and biodegradable polymer gel, and a process of preparing for the same
Inventor: CHOI JONG HWA
IPC: A61K47/30
Filed: 2000-10-05
Abstract: PURPOSE: A water soluble bio-degradable polymer gel and its preparation method are provided, in which the polymer gel dissolves at a low temperature and changes to gel at a body temperature, making it useful as drug delivery material, tissue binder and adhesion resistant agent. Especially it can be utilized as the restoration membrane of the alveolar bone. CONSTITUTION: The polymer gel comprises: (I) (i) a random copolymer(PDL) of p-dioxanone and L-lactide block(A block), in which p-dioxanone and L-lactide are copolymerized in a mole ratio of 30-75mol.% : 25-70mol.%, and (ii) bio-degradable block copolymer in which polyethylene glycol(PEG) with the molecular weight of 500-3,000 block(B block) is alternately(ABA) lined up 30-70wt.% of A block and 70-30wt.% of B block; (II) drug and/or cyanoacrylate type compound; and (III) the distilled water. The above polymer gel is prepared by dispersing the above bio-degradable block copolymer, drug and/or the cyanoacrylate type compound in the distilled water of -5-20deg.C and raising the temperature to 25-37deg.C.
Patent KR-20010050896-A (KR)
Inventor: CHANG CHING-JEN
IPC: C08K5/00
Filed: 2000-10-06
Abstract: PURPOSE: Provided is a method for improving the preservation stability of a personal care formulation containing an ultraviolet absorber. CONSTITUTION: The method for improving the preservation stability of the formulation is characterized in that (a) its composition contains at least one kind of an ultraviolet absorber, (b) latex polymer particles have voids and 50-1000 nm particle sizes, and (c) the latex polymer particles have shell parts prepared by one or more steps selected from (i) the polymerization for incorporating 4-80% monomer unit of an ethylenically polyunsaturated monomer based on the whole weight of the shell part, or (ii) the polymerization for incorporating one or more monomer units of polyfunctional monomers each having at least one vinyl copolymerizable functional group and at least one functional group capable of reacting with a reactive molecule effective for forming the crosslink after the polymerization, and is obtained by adding 5-70% latex polymer based on the whole weight of nonvolatile materials to the composition.
Patent KR-20020029978-A (KR)
Title: A Plasma Etching apparatus for fabricating semiconductor
Inventor: OH JI YEONG
IPC: H01L21/3065
Filed: 2000-10-16
Abstract: PURPOSE: A plasma etcher for fabricating a semiconductor is provided to prevent an over-etch of a wafer and a pattern defect, by eliminating the need to remove remaining electric charges so that an element delaying the entire process time of a plasma etch process is eliminated. CONSTITUTION: A wafer(4) is etched by plasma in a vacuum state in a reaction chamber(1). The wafer is fixed in an electrostatic chuck(10) installed in the lower portion inside the reaction chamber. Etch gas is induced and distributed to an upper electrode(2) installed inside the reaction chamber. Radio frequency(RF) power for generating plasma is applied to the upper electrode which is also connected to an RF power applying unit(3). A direct-current(DC) high voltage applying unit(11) applies a DC high voltage to the electrostatic chuck. A remaining charge removing unit for removing remaining charges charged in the electrostatic chuck and the wafer in a plasma etch process, is installed in the electrostatic chuck.
Patent KR-20020030505-A (KR)
Title: Method for Fabricating of Semiconductor Device
Inventor: LEE GI JIK
IPC: H01L21/8242
Filed: 2000-10-18
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to fabricate the same capacitor by performing the same self-aligned contact process as used in fabricating a conventional dynamic random access memory(DRAM) device, and to prevent plugs from being short-circuited by eliminating the void. CONSTITUTION: An isolation region is formed to define an active region and a field region in a semiconductor substrate(31). A plurality of logic gates(33a) and DRAM gates(33b) are formed in a predetermined region of the semiconductor substrate. An insulation layer sidewall(35) is formed on both side surfaces of the logic gate and the DRAM gate. A source/drain region(37,38) is formed in the substrate of the active region at both sides of the insulation layer sidewall by an impurity ion implantation process using a mask exposing the substrate in a logic region and a DRAM peripheral region. A salicide layer is formed on the logic gate and the source/drain region. The first insulation layer is deposited on the substrate. A predetermined depth of the first insulation layer is removed by using a mask exposing the substrate of the field region defined in a DRAM cell region so that a void formed between the DRAM cell gates is eliminated. The second insulation layer is deposited on a portion where the first insulation layer is removed. The second and first insulation layers are removed to form a trench. A conductive material is filled in the trench to form a plug(47).
Patent KR-20020031836-A (KR)
Title: Circuit of flip/flop in semiconductor device
Inventor: KANG DONG O
IPC: H03K3/037
Filed: 2000-10-24
Abstract: PURPOSE: A flip flop circuit of a semiconductor device is provided to reduce an area and a reset signal line of a flip flop by embodying a circuit by means of a flip flop in which a reset operation is not generated. CONSTITUTION: A plurality of D type flip flops(20_1,20_2,...,20_n-1, and 20_n) are connected to one another in parallel. Each of the D type flip flops(20_1,20_2,...,20_n-1, and 20_n) does not perform a reset operation. An OR gate logically combines a clock and an external clock signal when a power up operation of a semiconductor device is performed and outputs a logically combined signal as clock signals of the D type flip flops(20_1,20_2,...,20_n-1, and 20_n). An NMOS transistor operates according to a delay signal of the clock signal. A PMOS transistor operates according to an inverting signal of the clock signal.
Patent KR-20020035331-A (KR)
Title: Reverse-idle-gear shifting device
Inventor: JU YONG SANG
IPC: F16H63/32
Filed: 2000-11-06
Abstract: PURPOSE: A reverse idle gear operating device is provided to assure the reverse idle gear of rectilinear operation by the even operation force applied on a reverse idle gear shaft, thereby preventing the complicacy in the coupling between a reverse gear and a reverse driven gear and realizing smooth tooth-engagement state. CONSTITUTION: A reverse idle gear operating device includes a guide groove formed in a clutch housing, a shift rod(3) slidably mounted in the guide groove, a guide plate(5) for guiding the shift rod and fixed in the clutch housing, a reverse lever(9) mounted to the shift rod and formed with a fork(7) for guiding the reverse idle gear at both sides of a reverse idle gear shaft, and a shift pin(11) protruded from the reverse lever for receiving the transmission manipulation force from a 5-R stage shift lug.
Patent KR-20020049294-A (KR)
Title: Oil pump for vehicles
Inventor: HAN BYEONG HYEOK
IPC: F01M1/02
Filed: 2000-12-19
Abstract: PURPOSE: An oil pump for a vehicle is provided to improve the performance of pump in initial start by preventing an oil drain in the oil pump. CONSTITUTION: An oil pump for a vehicle is composed of a housing(20), an introducing passage(21) formed on one side of the housing(20) and introducing engine oil, and an exhausting passage(22) formed on the other side of the housing(20) and exhausting the introduced engine oil into the outside of the housing(20). An anti-drain valve(30) is installed on one side of the introducing passage(21), and prevents an oil drain. The anti-drain valve(30) includes a case(32) having a passage(31), a spring(33) installed on the passage(31), a ball(34) installed on one end of the spring(33) and controlling the passage(31), and an electromagnet member(35).
Patent KR-20020052567-A (KR)
Title: Gateway and Optimal Resource Allocation of the Gateway
Inventor: HUH JAE DU
IPC: H04L12/46
Filed: 2000-12-26
Abstract: PURPOSE: A gateway between different kinds of networks for the improvement of communication speed and a method for allocating resources thereby are provided to offer an automatic bandwidth control method for an Internet traffic change in a communication processing system to continually supply virtual access service to Internet service providers on the basis of frame transmission, in the case of providing connection-oriented service in a communication system. CONSTITUTION: If data are inputted to a link layer drive task queue and setup for a subscriber's input call is completed, a link layer drive task determines a link control routine(ToLCP) or a frame receiving routine(CMD_FRM_RCVD). If a PPP command is CMD_FRM_SND to transmit Ack/Nak/Reject packets or IP packets to an LLD, the link layer drive task negotiates a logical channel with a WNAS while monitoring Internet traffics, and transmits frames to an associated channel(SendToPort). Then the link layer drive task calls a data transmitting routine in order to transmit data to an internal switch(SendDataToNCCB), determines a PPP frame or an MP frame to send data, and executes a data transmit-receive process for a basic channel.
Patent KR-20020052802-A (KR)
Title: Method for handling blades of exposure apparatus
Inventor: KIM YUN HOE
IPC: H01L21/027
Filed: 2000-12-26
Abstract: PURPOSE: A blade processing method of exposure equipment is provided to increase the number of effective chips by preventing a chip loss at an edge portion of a wafer. CONSTITUTION: A blade processing method of exposure equipment comprises a first step installing four pairs of blades(20) in order to enclose an exposure region(10), and a second step making the blades(20) to move in all directions so as to detect an optimized array condition. In the case of a wafer edge shot having a specific layout, chip losses are able to be prevented by performing an adequate blade processing and using additional blades(20). The blade processing method is able to supply more adequate blade combination through additional installment of blade in freely controlled driving direction.
Patent KR-20020053410-A (KR)
Title: Repetition jig of shear tester for semiconductor package
Inventor: CHOI JONG JIN
IPC: G01N3/24
Filed: 2000-12-27
Abstract: PURPOSE: A jig of a shear stress tester for a semiconductor package is provided to reduce a test error relative to selection a sample and to enhance the reliability of the shear stress tester. CONSTITUTION: A lower body(10) of the jig(100) is attached and fixed to an upper surface of a certain structure with the aid of vacuum pressure. A middle body(20) is engaged with an upper portion of the lower body(10). This middle body(20) can move in the horizontal direction. An upper body(30) is fixed to an upper portion of the middle body(20). The upper body(30) has protrusions(31) projected from one side surface of the upper body(30). These protrusions(31) are spaced from with each other at a predetermined length. A rotational shaft(32) is installed between the protrusions(31). A magnet(33) is attached to a front surface of rear portions of the protrusions(31). A rotational disc(40) is engaged with the rotational shaft(32) and is spaced from the front surface of the upper body(30). A plurality of balls(41) are fixed on the upper surface of the rotational disc(40).
Patent KR-20020055994-A (KR)
Title: Liquid Crystal Display Device and Fabricating Method Thereof
Inventor: KIM U HYEON
IPC: G02F1/1362
Filed: 2000-12-29
Abstract: PURPOSE: A liquid crystal display and a method of fabricating the same are provided to form a large-capacitance storage capacitor in a small size so as to sufficiently secure aperture ratio. CONSTITUTION: A gate line(13) is formed on a substrate(11), and the first insulating layer is formed on the substrate to cover the gate line. A storage electrode(16) is formed on the first insulating layer, being superposed on the gate line. The second insulating layer is formed on the first insulating layer to cover the storage electrode. A portion of the first insulating layer, corresponding to a region other than the storage electrode, is etched to reduce the thickness of the first insulating layer. An active layer(15) and an ohmic contact layer are sequentially formed on the second insulating layer. Source and drain electrodes(61,62) are formed on the ohmic contact layer. A passivation layer(63) is formed on the second insulating layer to cover the source and drain electrodes and the storage electrode.
Patent KR-20020056710-A (KR)
Title: Method for switching magnetic removal of lcd
Inventor: CHO GYU CHUN
IPC: G09G3/36
Filed: 2000-12-29
Abstract: PURPOSE: A magnetism removal driving method for an LCD device is provided to remove afterimages generated by a structure of the LCD device in a driving process of the LCD device. CONSTITUTION: A remaining ion removal block(54) transmits a control signal to a timing controller(55) and a Vcom block(56) by using a magnetism removal signal and a gate on DC voltage as inputs. At this time, the gate-on DC voltage is inverted and connected with a Vcom line. The existing Vcom output is opened by turning off the Vcom block(56) and the gate on DC voltage is applied to a panel through the existing Vcom line when the magnetism removal signal is applied. The timing controller(55) outputs a full white signal during a magnetism removal time when the control signal is applied to the timing controller.
Patent KR-20020058917-A (KR)
Title: Thin Film Transistor and Fabricating Method Thereof
Inventor: KIM IK SU
IPC: H01L27/12
Filed: 2000-12-30
Abstract: PURPOSE: A thin film transistor and a method of fabricating the thin film transistor are provided to form a wide-width channel so as to decrease on-current and switching time. CONSTITUTION: A gate electrode(33) is formed on a transparent substrate. A gate insulating layer is formed on the transparent substrate to cover the gate electrode. A semiconductor layer is formed on the portion of the gate insulating layer, which corresponds to the gate electrode. A channel(32) in the shape of zigzag is formed on the semiconductor layer. Source and drain electrodes(41,43) are formed, having the channel interposed between them.
Patent KR-20010023355-A (KR)
Title: 탄약용 적외선 추적제
IPC: C06B33/12
Filed: 1998-08-24
Abstract: 연소시 오직 적외선만을 방출하는 발광 조성물은 하나 이상의 과산화물 성분, 과산화물 성분보다 더욱 강력한 산화제, 냉각제, 결합제 및 규소를 함유한다.  하나의 양태에서, 과산화물 성분은 과산화스트론튬 및 과산화바륨의 혼합물이고, 과산화물 성분보다 더욱 강력한 산화제는 질산바륨이고, 냉각제는 탄산마그네슘이고, 결합제는 칼슘 레조네이트이고, 규소의 순도는 최소한 99.9%이다.  발광 조성물은 적외선 추적제의 연소가능한 성분으로서 유용하다.
Patent KR-20010031676-A (KR)
Title: 소형판이 보강된 소결체
IPC: C04B35/80
Filed: 1998-11-02
Abstract: 본 발명은 산화 알루미늄/산화 크롬 혼성 결정 및 일반식 La 0,9 Al 11 , 76-x Cr x O 19 , Me 1 Al 11-x Cr x O 17 , Me 2 Al 12-x Cr x O 19 , Me 2' Al 12-x Cr x O 19 및/또는 Me 3 Al 11-x Cr x O 18 에 따라 적어도 하나의 혼성 결정으로부터 선택된 추가 혼성 결정을 갖는 매트릭스 재료로 이루어진 소결체에 관한 것이며, 상기 Me 1 은 알칼리 금속을, Me 2 는 알칼리 토금속을, Me 2' 는 카드뮴, 납 또는 수은을, Me 3 은 희토류 금속을 나타내며, x는 0.0007 ~ 0.045 사이의 값에 해당된다.
Patent KR-20010031889-A (KR)
IPC: G06F7/58
Filed: 1998-11-06
Abstract: 의사-무작위 수 발생기(10)와 관련 방법은 의사-무작위 수를 발생한다. 의사-무작위 수는, 발생기(10)에 제공된 입력시퀀스들의 복소, 선형조합이고, 이러한 입력값들에 대해 상관관계를 거의 보이지 않는다. 상기 발생기는 합산 결합기 (12)와, 합산 결합기(12)와 피드백 관계로 접속된 IIR(무한 임펄스 응답) 필터(18)를 포함한다. 발생기(10)에 제공된 입력값들과 의사-무작위 수의 낮은 상관관계 때문에, 의사-무작위 수는, 인증받지 않은 당자에 의한 암호해독에 덜 민감하다.
Patent KR-20010032055-A (KR)
Title: Ａｉｄｓ 치료를 위한 혼합물 치료방법
IPC: A61K31/426
Filed: 1998-11-12
Abstract: HIV 프로테아제 억제제인 화학식 A의 화합물과 하나 이상의 뉴클레오시드 역전사효소 억제제, 비뉴클레오시드 역전사효소 억제제 또는 프로테아제 억제제의 혼합물이 HIV 프로테아제의 억제, HIV 역전사효소의 억제, AIDS의 예방 또는 치료시, 다른 항바이러스 물질, 면역 조절제, 항생제 또는 백신과 혼합되거나 혼합되지 않은 상태로, 화합물, 약제학적으로 허용되는 염이나 에스테르 또는 약제학적 조성물 성분으로서 유용하다.  AIDS의 치료방법 및 HIV에 의한 감염의 예방 또는 치료방법이 또한 기술되어 있다.
Patent KR-20010041094-A (KR)
IPC: A61P29/00
Filed: 1999-02-11
Abstract: This invention relates to novel, liquid crystal forms of the cyclic peptide cyclosporin and to novel powder formulations of cyclosporin prepared using this novel liquid crystal form of the drug. Methods for preparing and using these formulations are also provided. In particular, the present invention relates to dispersible spray dried particles of cyclosporin suitable for pulmonary delivery.
Patent KR-20010042340-A (KR)
Title: 음향 조절장치의 일회용 슬리브 조립체 및 그 컨테이너
IPC: H04R25/00
Filed: 1999-03-05
Abstract: 음향 조절장치의 단부로부터 쉽게 착용 및 제거할 수 있고, 원하는 레벨로 귓구멍으로 전달되는 음향을 조절하면서 사용자의 귓구멍에 완곡한 밀착을 제공하고, 음향 조절장치에 포함된 음향 전달관(30)의 단부에 귀지 보호구를 제공하거나, 이들 2가지 기능 모두를 제공하도록 적용될 수 있다. 슬리브 조립체(10)는 이 슬리브 조립체가 삽입된 사용자의 귓구멍과 합치되거나 그와 완전 또는 부분적으로 밀착되도록 적용될 수 있는 주변부를 갖는 유연성 물질의 제 1층(11)을 포함한다.
Patent KR-20010042551-A (KR)
Title: 유도 미세피브릴상 폴리사카라이드
Inventor: TISE FRANK PEINE
IPC: A23L29/00
Filed: 2000-02-08
Abstract: 본 발명은 폴리사카라이드 출발 물질을 안정화하고(하거나) 미세피브릴화함으로써 입체 및(또는) 정전력에 의해 유도되는 셀룰로오즈(이에 제한되는 것은 아님)를 포함하는 유도 미세피브릴상 폴리사카라이드의 제조 방법에 관한 것으로, 상기 정전력은 음이온 전하에 의해 제공되거나 또는 음이온 및 양이온 전하의 조합에 의해 제공된다.  또한, 본 발명은 유도 미세피브릴상 폴리사카라이드를 사용하여 물질의 조성물의 유동성을 개량하는 방법에 관한 것이다.  추가로, 본 발명은 유도 미세피브릴상 폴리사카라이드를 사용하여 코팅물, 종이 제조, 및 에멀젼, 분산액 및 발포체의 안정성을 향상시키는 방법에 관한 것이다.  또한, 종이 조성물, 식용 조성물, 비식용 조성물 스프레드성 조성물을 포함한, 유도 미세피브릴상 폴리사카라이드를 포함하는 조성물, 에멀젼, 분산액 및 발포체에 관한 것이다.
Patent KR-20010043217-A (KR)
Title: 지터 전송이 없는 허브 포트
IPC: H04L12/42
Filed: 1999-04-30
Abstract: 본 발명에 의한 허브 내의 허브 포트(200)는 부착된 노드 포트로 전송되는 신호 내의 지터를 바람직하게 제거한다. 한 실시예에서, 지터 전송은 부착된 노드 포트(212)에 데이터 흐름으로부터 복원된 클럭 신호보다는 오히려 허브 내부의 로컬 클럭 신호를 사용하여 데이터를 전송함으로써 바람직하게 제거된다. 허브 포트는 부착된 노드 포트로부터 수신된 데이터를 로컬 클럭에 동기 시키는 완충용 회로(220)를 구비하고 있다.
Patent KR-20010052423-A (KR)
Title: 컴퓨터 주변장치의 초기화 및 컴퓨터 주변장치와의 통신을위한 시스템, 장치 및 방법
IPC: A61F13/511
Filed: 1999-04-09
Abstract: 호스트 장치가 초기화되지 않은 주변장치를 초기화시키고 통신하도록 허용하는 시스템, 장치 및 방법은, 주변장치 상에, 복수의 메모리 위치들 각각에 대응하는 개별 마스크를 기억시키기 위한 로직, 및 메모리 위치 판독을 위한 요구에 응답하고 메모리 위치 내에 기억된 데이터와 대응 마스크의 비트-와이즈 배타적 OR을 출력하기 위한 로직을 포함한다.  마스크는 소정의 구성값 및 사전 설정값의 비트-와이즈 배타적 OR과 동일하다.  따라서, 메모리 위치가 구성 정보로 사전에 프로그램되지 않은 경우에, 메모리 위치 내에 기억된 데이터 및 대응 마스크의 비트-와이즈 배타적 OR이 유효 디폴트 구성값이 된다.  일단 호스트 장치가 주변장치와 통신할 수 있게 되면, 호스트 장치는 신규 구성값 및 대응 마스크의 비트-와이즈 배타적 OR과 동일한 신규 데이터값을 메모리 위치 내에 기억함으로써 주변장치를 프로그램한다.
Patent KR-20020061312-A (KR)
Inventor: WANG JONG WON
IPC: E02B3/14
Filed: 2001-01-16
Abstract: PURPOSE: A revetment block is provided to facilitate drainage of current to revetment block by installing drainage structure on the upper body of revetment block, prevents water from flooding and revetment block construction from collapsing. CONSTITUTION: The revetment block is constructed to prevent this levee composed on coast or riverside from destroying and comprises assembly part(2) to body of the revetment block, construction space(3) built-up and constructed other blocks in the center of the body, drainage grooves(4) on the upper surface of the body(1), herein the drainage grooves(4) is formed to connect to all direction of the body according to types of the revetment block, so natural drainage channel is formed by current flow along drainage grooves(4) of the revetment block.
Patent KR-20020061766-A (KR)
Title: A shroud cover for air-conditioner
Inventor: PARK HYEON CHEOL
IPC: F24F13/20
Filed: 2001-01-17
Abstract: PURPOSE: A shroud cover of air conditioner is provided to evenly deliver air for heat exchange to an outdoor heat exchanger. CONSTITUTION: A shroud cover(40) includes a cover body(41) installed on an upper end of a shroud(30) guiding air flow to prevent leakage on the upper end of the shroud; a guide slope(45) placed on a lower surface of the cover body to guide air toward an outdoor heat exchanger(50); an upper end mount surface(46) placed on the lower surface of the cover body and mounted on an upper end of the outdoor heat exchanger; a fixing protrusion(47) formed between the guide slope and the upper end mount surface to fix one side of the upper end of the outdoor heat exchanger; an intercepting skirt(48) formed on a front end of the cover body to cover the upper end of the outdoor heat exchanger.
Patent KR-20020063756-A (KR)
Inventor: KWON GI JU
IPC: G01V1/00
Filed: 2001-01-30
Abstract: PURPOSE: A seismic damage indicator is provided to insert a bearing ball between cylindrical pillars, restrain collapsed phenomenon by the slide of the cylindrical pillars, and react as movement transmitted over the bearing ball. CONSTITUTION: A plastic or acrylic material is filled in an internal portion of the certain number of cylindrical pillars(10), and a concave ball combing groove(11) into which a bearing ball(20) is inserted is bored in the central portion of upper and lower surfaces of the cylindrical pillars(10). The ball combing groove(11) is formed at an upper side of a bottom board(30). The bearing ball(20) is combined with the ball combing groove(11) of the bottom board(30). The cylindrical pillars(10) is deposited on an upper side of the bearing ball(20). The bearing ball(20) is combined with the ball combing groove(11) formed on the upper surface of the cylindrical pillar(10), and the other cylindrical pillars(10) are successively deposited.
Patent KR-20020064069-A (KR)
Title: Wake-up apparatus of micro computer
Inventor: KIM JUN SEON
IPC: G06F1/26
Filed: 2001-01-31
Abstract: PURPOSE: A wake-up device of a micro computer is provided to recognize a corresponding function key by operating a function key of a key input unit without using an additional wake-up switch from a power down mode status. CONSTITUTION: A micro computer(21) receives a key signal through a key input port(22) and performs a function according to the key signal. If the key signal is not inputted for a predetermined time, the micro computer(21) performs a power down mode, receives a wake-up signal through an interrupt port(23), and is waken up from the power down mode. A key input unit(24) distributes a power voltage(VCC) through resistances(R12-R13) whenever each function key switch(SW11-SW13) is operated, applies key signals which have different electric potential differences, respectively, to the key input port(22) through a resistance(R11), and generates a low electric potential signal which is a ground electric potential. A wake-up input unit(25) applies the low electric potential signal being generated in the key input unit(24) to the interrupt port(23) as a wake-up signal through a resistance(R15).