baber/WOPTO huggingface dataset:
Patent KR-20060127363-A (KR)
Title: Vacuum type hydrogen fuel control valve for hydrogen-natural gas fueled engin
Inventor: KIM JONG WOO
IPC: F02M21/02
Filed: 2005-06-07
Abstract: A vacuum type hydrogen fuel amount control apparatus for a hydrogen-natural gas engine is provided to automatically regulate the amount of added hydrogen by using the vacuum pressure formed in an intake manifold. A vacuum type hydrogen fuel amount control apparatus for a hydrogen-natural gas engine includes a hydrogen fuel supply pipe(5), a pressure regulator(2), and a vacuum type hydrogen fuel amount control valve(10). The hydrogen fuel supply pipe connects a fuel rail(9) of a natural gas engine and a hydrogen fuel tank(1). The pressure regulator is installed in the hydrogen fuel supply pipe. The vacuum type hydrogen fuel amount control valve is installed between the fuel rail and the pressure regulator and is connected to a suction air manifold through a pressure regulating pipe.
Patent KR-20050072726-A (KR)
Inventor: KWAK YOUNG DAE
IPC: F16L41/08
Filed: 2005-06-21
Abstract: 본 발명용 분기구가 구비된 용수호스의 제조방법에 관한 것이며, 연질호스의 원단에 분기구를 결합한 다음 원단의 양연을 연결하여 용수호스를 제조하는 것이며, 용수호스에 분기구의 결합을 견고히 하고, 용수호수를 고능률적으로 제조하여 사용을 편리하게 함에 목적이 있다. 
     본 발명은 연질비닐호스의 원단에 타공부를 형성하고, 타공지점에 분기구를 끼우고 조임나사로 결합하여 연질비닐호스의 원단에 분기구를 구비시킨다음 연질비닐호스 원단의 양측 연부를 연결하여서 제조된다. 
     이와 같은 본 발명은 종래의 연질호스원단으로 제조된 용수호스에 타공부를 구비하고, 분기구의 내측지지판을 끼운다음 조임나사로 고정시켜서 분기구를 구비하므로서 발생되는 연결지점의 누수원인과 사용자가 하는 분기구의 조립과정을 해소하고, 용수호스의 제조를 고능률적으로 수행할 수 있게 되고, 분기구가 구비되는 용수호스의 밀봉력이 우수하고 사용이 편리한 특징이 있다.
Patent KR-20060125439-A (KR)
Title: A minimum size automatic rice cooker system
Inventor: SON GWANG BEOM
IPC: A47J27/62
Filed: 2005-06-21
Abstract: An auto rice cooker system of minimum size is provided to reduce the system size and the production cost by selecting and improving the essential functions of the rice cooker. The minimum size-auto rice cooker system comprises: an integrated nozzle unit(140) integrally formed with an ultrasonic sensor, a water supply and discharge nozzle, an air nozzle, and a level sensor; an integrated nozzle control apparatus(150) for controlling the nozzle unit vertically and horizontally; and a minimized integrated nozzle set control unit placed at the side of a body cooker case(110), integrally installed with a cooker case body(100), and integrally mounted with the integrated nozzle and control apparatus and the rice supply nozzle for supplying the rice in a cooker(130), wherein the integrated nozzle is curved like a round type to control the integrated nozzle by longitudinal, left/right, and swirl control motors. The integrated nozzle set control unit is selected to be plurally installed at the side of the cooker according to the size of the cooker volume.
Patent KR-20060135196-A (KR)
Title: The lcd back light operating device and method thereof
Inventor: PARK CHEOL JIN
IPC: G02F1/133
Filed: 2005-06-24
Abstract: An apparatus and a method for driving an LCD(Liquid Crystal Display) back light are provided to temporarily prevent a phenomenon that a lamp protecting circuit operates when an inverter input voltage is dropped so that a lamp is immediately shut down. An apparatus for driving an LCD back light unit includes a current sensor(70) and an inverter controller(50). The current sensor senses the output current of a lamp(60) and outputs a predetermined voltage corresponding to the sensed output current. The inverter controller generates a predetermined signal for shutting down the lamp based on the voltage and delays the predetermined signal by a predetermined time to temporarily prevent the lamp from being shut down by the predetermined signal.
Patent KR-20060135297-A (KR)
Title: Optical disc storage device having automatic bi-direction tilt compensation device
Inventor: KANG SEONG TAEK
IPC: G11B7/09
Filed: 2005-06-24
Abstract: An optical disk storage device having an automatic bidirectional tilt compensation device is provided to automatically conduct tilt compensation for both a tangential direction and a radial direction of a disk according to a bending degree of a substantially inserted bad disk, thereby compensating the best optical axis angle for any kind of bending disks. A spindle motor(33) is mounted on an upper side of a deck base(31). An optical disk(35) rotates by being set on an upper side of a turntable(34) of the spindle motor(33). A pickup unit(36) for recording or reproducing data from the optical disk(35) is guided by one pair of shafts(37,37') of which both sides are individually supported on a tilt base(32), and is installed to do straight reciprocating motion. A stepping motor(38) for moving the pickup unit(36) is installed on the tilt base(32), and a lead screw(39) is combined at a rotational shaft of the stepping motor(38) in an axial direction.
Patent KR-20060049703-A (KR)
Inventor: HIROSHI KANEKO
IPC: H04Q7/24
Filed: 2005-06-24
Abstract: 본 발명은 셀룰러 폰 또는 휴대용 단말기에 뉴스 또는 다른 정보를 제공하는 방법에 관한 것으로, 보다 상세하게는 뉴스 또는 다른 정보를 사용자에게 제공하기 위한 종래의 방법에서, 문자들 또는 음성들로 표현되는 정보가 사용자들에게 전송되는 시스템이 있다.  그러나, 상기 사용자들이 음성-데이터 또는 문자-데이터로 변환되는 모든 정보를 듣지 못하면, 그 정보를 이해할 수 없었다.  따라서, 사용자들이 선호하는 뉴스 또는 다른 정보를 쉽게 또는 신속하게 얻을 수 없었다.  본 발명의 목적은 셀룰러 폰 또는 휴대용 단말기를 통신국에 연결시키는 통신 네트워크를 사용하여 선호하는 뉴스 또는 다른 정보를 쉽게, 아무때나, 신속하게 그리고 어느 곳에서나 제공하는 방법을 제공하는 것이다. 
       
     음성데이터, 문자데이터, 셀룰러 폰, 인터넷 네트워크, 통신국
Patent KR-20070000079-A (KR)
Title: Yellow earth pack composition and method for producing the same
Inventor: LEE KYONG HO
IPC: A61Q19/00
Filed: 2005-06-27
Abstract: A yellow soil pack composition and a method for producing the same composition are provided to safely remove waste matters from the skin, activate skin cells, supply nutrients to the skin, and inhibit growth of bacteria in the skin. The method for producing the yellow soil pack composition comprises the steps of: drying the yellow soil until it has water content of 20% or less; heating the dried yellow soil at 25-35 deg. C for 20-30 minutes so as to remove toxic and foreign materials; pulverizing the dried yellow soil and collecting the floating fine yellow soil powder; pulverizing the dried medicinal herbs and collecting the floating fine medicinal herb powder; and mixing the yellow soil powder with the medicinal herb powder in a volume ratio of 2~1:1, wherein the medicinal herbs include Dioscorea batatas, Pseudocydonia sinensis, Astragalus membranaceus(FISCH) Bunge, Pueraria thunbergiana, Poria cocos, Angelica gigas Nakai, Phaseolus radiatus L., Cnidium officinale, Platycodon grandiflorum, chestnut skin, Artemisia princeps, ginseng, Phellinus linteus, walnut, Mori radicis cortex, Inonotus obliquus and Lycium Chinense; and the composition further comprises elvan, jade or mineral salt powder instead of medicinal herb powder.
Patent KR-20070002745-A (KR)
Title: Semiconductor device with step gated asymmetry recess and method for manufacturing the same
Inventor: HAN KY HYUN
IPC: H01L21/76
Filed: 2005-06-30
Abstract: A semiconductor device with a step gate asymmetrical recess structure and its manufacturing method are provided to restrain the leak between adjacent elements due to small depth and width of an isolation layer by using a dummy trench. A protruded surface and a recessed surface are formed on a semiconductor substrate(21). A trench(25) is formed within an isolation region of the substrate. A dummy trench(26a) is formed at a bottom corner of the trench. An isolation layer(27) is formed on the resultant structure to fill the trench and the dummy trench. A step gate(31) is continuously formed on the protruded surface and the recessed surface of the substrate.
Patent KR-20070005045-A (KR)
Title: Magnetization water making machines of bigcapacity
Inventor: SIN DAE UNG
IPC: C02F1/48
Filed: 2005-07-05
Abstract: Provided is a high capacity magnetized water producing machine which concentrates magnetism into the pipes by preventing eternal leakage of a line of magnetic force applied to pipes from permanent magnets to the utmost, maximizes magnetic susceptibility by applying magnetic force to water passing through the pipes in the closest distance, and can produce a large amount of magnetized water by magnetizing supplied water through a plurality of magnetized water producing pipes. A high capacity magnetized water producing machine comprises: a bundle of a plurality of magnetized water producing pipes comprising a pipe which has an inlet(1') and an outlet(1') formed at both sides thereof, and which is divided into several equal parts to repeatedly form compressed parts(1b) and expanded parts(1a) on the pipe by alternately pressing upper and lower surfaces of the equal parts, permanent magnets with the same magnitude adhered onto upper and lower outer surfaces of the compressed parts such that permanent magnets with different polarities face each other, steel plates(3,3a) adhered onto outer surfaces of the permanent magnets, and a case covered around an outer part of the pipe with an adhesive being filled therebetween; supporting plates(101) welded to the inlet and the outlet of each magnetized water producing pipe such that the inlet and the outlet are opened through holes of the supporting plates; a stainless steel case(102) covered on an outer surface of each magnetized water producing pipe and fixed to the supporting plates; an induction pipe(104) which has an inlet(103) formed in the center thereof; and an induction pipe(106) which has an outlet(105) formed in the center thereof, wherein peripheries of expansion parts of respective induction pipes are fixed onto outer peripheries of the supporting plates.
Patent KR-20070005835-A (KR)
Title: Micro particle deformability sensor using micro filter
Inventor: CHO YOUNG HO
IPC: G01N33/49
Filed: 2005-07-06
Abstract: A sensor for measuring microparticle deformability by using a microfilter, and an analysis method thereof by using the same sensor are provided to easily measure microparticle deformability by measuring destruction of microparticles passed through the microfilter due to their deformability, reduce the measurement costs by avoiding use of expensive optical instruments, and minimize the size of the sensor. The sensor for measuring deformability of microparticle(60) in fluid by using a microfilter comprises: a microfilter(10); an inflow tract(20) mounted to one side of the microfilter so as to flow the fluid into the microfilter; an outflow tract(30) mounted to another end of the microfilter so as to release the fluid in the microfilter to the outside; a measuring portion(40) which is installed in each mounting portion, measures passing time and number of inflow or outflow microparticles and estimates destruction of microparticles; and a calculating device(50) for calculating the number and deformability of microparticles passed through the microfilter based on the date of each measuring portion, wherein the microparticle is a red blood corpuscle.
Patent KR-20070007564-A (KR)
Title: Light-emitting diode package structure, cold cathode fluorescent lamp and photoluminescent material thereof
Inventor: CHIH CHIN CHANG
IPC: H01L33/00
Filed: 2005-07-11
Abstract: A structure of an LED package is provided to efficiently simplify a whole process for assembling LED packages by using a photoluminescent material instead of a fluorescent layer and a diffusion layer. An LED chip is disposed on a carrier(200) to emit light. The LED chip on the carrier is sealed by a sealing member(220). A photoluminescent material(230) is distributed in the sealing member. The photoluminescent material is excited by the light emitted from the LED chip and the light is scattered. The carrier can be a PCB, and the LED chip is electrically connected to the PCB.
Patent KR-20070008770-A (KR)
Title: Method for determining user in information mirror device using voice sensor
Inventor: RA IN HWAN
IPC: G06Q50/00
Filed: 2005-07-12
Abstract: A method for identifying a user in an information mirror device using a voice sensor is provided to easily identify the user in the information mirror device installed to a door or a dresser by checking voice feature of the user with the voice sensor and searching user information matched with the voice feature from a database. The voice feature of the user is detected by using the voice sensor installed to the information mirror device(S12). The user is identified by searching the user information matched with the detected voice feature from the database(S15). If the user information matched with the voice feature is not stored in the database, a message for asking registration of user information is displayed(S16). The voice sensor detects frequency feature from a user voice. The database stores user ID information by linking with voice feature information of the registered users.
Patent KR-20070010525-A (KR)
Title: Apparatus and method for loss correction of morphology
Inventor: JIN HYOK SOO
IPC: H04B7/15
Filed: 2005-07-19
Abstract: A morphology loss compensation device and a method thereof are provided to compensate morphology loss by using reception signals of each base station which is currently operated, thereby more accurately predicting reception signals when receiving signal strength of each base station is predicted through a propagation predictive model. A data classifier(220) classifies reception signals of each base station, according to the respective base stations, and classifies the classified reception signals by morphology. A predictive value calculator(230) calculates predictive values for receiving power of pilot channels of each base station from a particular propagation predictive model. An actual measurement value calculator(240) calculates actual measurement values for the receiving power of the pilot channels by using the reception signals classified by morphology. A morphology loss compensator(250) obtains an optimum morphology loss value based on the calculated predictive values and actual measurement values, and sets a morphology loss compensation value based on the obtained loss value. An optimizer(260) compensates morphology loss in the propagation predictive model based on the morphology loss compensation value, and optimizes the propagation predictive model.
Patent KR-20070011005-A (KR)
Title: Upgradable pcb in the mobile communication terminal
Inventor: KIM IN YONG
IPC: H05K1/14
Filed: 2005-07-20
Abstract: An upgradable PCB(printed circuit board) of a mobile communication terminal is provided to reduce the design time of hardware by comprising a slot module for components and a main PCB. A plurality of circuit patterns and slots(13) are formed on a main PCB(10). A card type slot module(17) with circuit components is inserted into an insertion groove of the slots. An antenna(15) is assembled in the main PCB. A male gold finger unit is formed at one surface of the slot module for signal or conduction. A female gold finger unit is formed at the insertion groove to interlock with the male gold finger unit.
Patent KR-20070014306-A (KR)
Title: Method for making webpage of mobile communication terminal
Inventor: HA MIN KYU
IPC: G06F17/00
Filed: 2005-07-28
Abstract: A method for making a webpage in a mobile terminal is provided to enable a user to confirm information provided from several websites on one screen by configuring several kinds of information in one HTML file, modify a user interface for HTML file by simply modifying XSL file and see various information of several websites at one time in a mobile browser in which a frame is not supported. A network module(10) downloads RSS data from the website for offering the RSS. An RSS reader module(20) parses the downloaded RSS data formed as the XML document. An XSL(eXtensible Stylesheet Language) converter(30) converts the parsed data into the HTML file by combining the parsed data and a default XSL file. An HTML browser module(70) displays the converted HTML file to a screen of the mobile terminal. The website for offering the RSS is registered. The RSS data is periodically downloaded from the registered website according to a set update period.
Patent KR-20070017647-A (KR)
IPC: H04B1/40
Filed: 2005-08-08
Abstract: 본 발명은 이동통신 단말기의 문자메세지 서비스에 관한 것으로, 특히 이동통신 단말기를 이용하여 문자메세지를 송신하려고 할때, 상기 문자메세지의 발송빈도에 따른 전화번호의 순위 리스트 중 최우선순위의 전화번호를 표시해 주거나, 그 리스트 자체를 표시해 주어서, 문자 메세지를 전송할 전화번호를 간편하게 입력하게 하는 이동통신 단말기에서 문자메세지 발송빈도에 따른 문자메세지 발송시 전화번호 표시방법에 관한 것이다.  본 발명은 문자메세지 발송을 위한 입력동작이 발생하는지 판단하는 제1단계와, 상기 제1단계에서 발생하면 미리 설정된 전화번호를 발송할 전화번호로 표시하는 제2단계와, 사용자에 의해 전화번호가 입력되는지 판단하는 제3단계와, 상기 제3단계에서 입력되지 않으면 상기 제2단계에서 표시된 전화번호로 문자메세지를 발송하고, 입력되면 미리 설정된 전화번호 리스트를 표시하는 제4단계와, 상기 제4단계에서 표시된 전화번호 리스트중에서 어느 한 전화번호가 선택되는지 판단하는 제5단계와, 상기 제5단계에서 선택되면 해당 전화번호로 문자메세지를 전송하고, 선택되지 않으면 사용자에 의해 입력된 전화번호로 문자메세지를 전송하는 제6단계를 포함하는 것을 특징으로 한다. 
       
     이동통신, 문자, 단문, 수신, 전화번호
Patent KR-20070017855-A (KR)
IPC: H04L12/28
Filed: 2005-08-08
Abstract: 본 발명은 블루투스 단말기로부터 전송되는 다이얼링 시퀀스 신호를 분석하여 분석된 다이얼링 시퀀스 신호가 유효한 경우, 블루투스 단말기의 프로파일(Profile)을 지원하기 위한 상위 버전의 서비스 프로그램을 다운로드받아 기저장되어 있는 서비스 프로그램을 업그레이드하는 블루투스 단말기를 이용한 블루투스 액세스 포인트의 서비스 프로그램 업그레이드 시스템 및 그 방법에 관한 것이다.
Patent KR-20070019182-A (KR)
IPC: C22B23/00
Filed: 2005-08-11
Abstract: 본 발명은 리튬이차전지의 양극활물질로부터 고순도 코발트 분리를 위한 코발트와 니켈의 분리방법에 관한 것으로서, 유기 추출제를 사용한 용매추출법을 이용하여 수용액중의 코발트를 니켈로부터 분리추출한다. 본 발명에 따라 수용액중의 코발트와 니켈을 분리추출하는 경우 1 단 추출만으로도 코발트 회수율 96% 이상, 분리계수 1,000 이상의 매우 우수한 분리효과를 달성할 수 있다. 
     리튬전지, 코발트, 니켈, 용매추출, 리싸이클링
Patent KR-20070021814-A (KR)
IPC: H04N7/18
Filed: 2005-08-19
Abstract: 개시된 감시용 카메라는  카메라 유닛; 카메라 유닛을 회전 가능하게 지지하는 톱 플레이트; 톱 플레이트에 설치되는 가동 회로기판; 가동 회로기판과 소정의 간격을 두고 왕복 회전가능하게 설치되는 고정 회로기판; 가동 회로기판 및 고정 회로기판을 전기적으로 연결하는 연결 전선; 가동회로기판의 회전 동작에 의해 연결전선이 꼬이는 것을 방지하는 슬립 링; 및 슬립 링을 지지함과 아울러서, 톱 플레이트를 회전가능하게 지지하는 연결유닛;를 포함한다. 연결유닛은 고정회로기판의 일측에 설치되며 관통홀이 마련된 미들 플레이트; 미들 플레이트와 결합하고 상하가 개방된 관 형태를 이루는 기어 팬; 기어 팬의 내부에 설치되는 베어링; 베어링의 사이에 끼워짐과 아울러서 톱 플레이트와 결합하는 베어링 홀더; 베어링 홀더와 연결되며, 베어링의 타단을 지지하는 베어링 커버; 및 기어 팬과 연결되며 슬립 링을 기어 팬의 내부에 고정하는 슬립 링 홀더;를 포함한다.
Patent KR-20070023835-A (KR)
Title: Semiconductor circuit for reducing flicker noise
Inventor: YU JIN HYUCK
IPC: G11C5/14
Filed: 2005-08-25
Abstract: A semiconductor circuit capable of reducing flicker noise is provided to reduce phase noise of a VCO(Voltage Controlled Oscillator) and a PLL(Phase Locked Loop) by reducing flicker noise of the VCO and the PLL. In a semiconductor circuit, a pair of cross-coupled field effect transistors comprises bodies and is cross-connected to generate negative-conductance. A body bias voltage supply circuit(130) supplies a body bias voltage to each body of the cross-coupled transistor pair, so that a forward bias voltage is supplied to each body and source of the cross-coupled transistor pair. In the body bias voltage supply circuit, a current generation circuit(131) supplies a current to each body of the cross-coupled field effect transistor pair in response to an enable signal, and a voltage generation circuit(137) generates the body bias voltage on the basis of the current.
Patent KR-20070027838-A (KR)
Title: Manufacturing method of a hairtail flavoring with clay extracts
Inventor: LEE DAL SOO
IPC: A23L17/00
Filed: 2005-08-29
Abstract: Provided is a method for preparing a hairtail treated with yellow soil which is reduced in the fishy smell or unpleasant odor and acidification during storage and circulation and is excellent in storage stability and taste. The method comprises the steps of salting a hairtail in an antibacterial agent comprising a salt water of filtered yellow soil, an organic acid and ethanol at 20-35 deg.C for 1-5 days and firstly drying the hairtail; and soaking the hairtail in the mixture comprising a salt water of filtered yellow soil and a sugar alcohol at 20-35 deg.C for 1-5 days and secondly drying the hairtail. Preferably the salt water of filtered yellow soil comprises a filtered yellow soil water where 8-15 % refined salt is dissolved, 3-5 % of an organic acid, and 3-5 % of ethanol; the sugar alcohol comprises at least one selected from the group consisting of sorbitol, maltitol and hydrogenated starch syrup; and the organic acid comprises at least one selected from acetic acid, citric acid, tartaric acid and benzoic acid.
Patent KR-20070025078-A (KR)
Title: Functional dustpan
Inventor: HWANG HYE IN
IPC: A47L13/52
Filed: 2005-08-31
Abstract: A functional dustpan is provided to efficiently and sanitarily operate the cleaning by having a drop prevention function, a handle height control function, a liquid separation function, and a cleaning device installation function. A functional dustpan comprises a waste receiving unit(100) having an opening unit of which front is opened, and plural liquid discharge holes(102) punched on a lower end surface of the rear side; an opening and closing unit for opening and closing the front opening unit of the waste receiving unit; a handle length control unit for controlling the whole length of a handle mounted at both side walls of the waste receiving unit; an installation unit for mounting a waste bag(300) and a pincers(310); and a caster(160) mounted at both sides of a lower end at the rear side of the waste receiving unit to smoothly move the dustpan.
Patent KR-20070028753-A (KR)
Title: Method for inputting text in home server
Inventor: LEE PYOUNG SU
IPC: H04W4/14
Filed: 2005-09-07
Abstract: A text input method in a home server is provided to enable a user to conveniently input various characters, to improve user's convenience, and to remarkably increase exactness and swiftness of character input by receiving a short message, transmitted from a mobile phone, through a mobile communication network, displaying the received message in a text input window, and storing and managing it through a recording medium. In case of setting up a text input mode at a user's request, a home server judges whether a user selects a mobile phone mode(S10,S11). In case the user selects the mobile phone mode, the home server enables a CDMA module, accesses a mobile communication network, receives a short message received through the mobile communication network from the user's mobile phone, extracts/converts character data, and displays the extracted/converted character data on the text input window of a monitor(S13-S15). Afterwards, if the user requests a character storage or release request(S16), the home server stores the displayed characters in a recording medium or releases a display operation of the text input window(S17).
Patent KR-20060051152-A (KR)
Inventor: NUMATA HIDEO
IPC: H01L23/12
Filed: 2005-09-09
Abstract: 본 발명의 반도체 장치는, 관통 구멍을 갖는 반도체 기판과, 상기 관통 구멍의 내면에 형성된 제1 절연 수지층과, 상기 반도체 기판의 표리면의 적어도 한쪽의 면에 형성된 제2 절연 수지층과, 상기 관통 구멍 내에 적어도 상기 반도체 기판의 표리 양면을 접속하도록 연속적으로 형성되며, 또한 상기 관통 구멍의 내면과 상기 제1 절연 수지층에 의해 절연된 제1 도전체층을 구비한다.  제2 절연 수지층 상에, 관통 구멍 내의 제1 도전체층과 전기적으로 접속된 제2 도전체층(배선 패턴)을 구비할 수 있다.  관통 구멍 내에 형성되어 접속 플러그 등을 구성하는 도전체층의 절연 신뢰성이 높고, 멀티칩 패키지 등에 적합한 반도체 장치가 얻어진다.  또한, 반도체 기판의 표리간을 접속하는 도전체층 및 절연층의 형성성이 높아, 형성 코스트가 삭감된다.   
       
     관통 구멍, 절연 수지층, 도전체층, 반도체 기판, 수지 구멍, 동박
Patent KR-20070035333-A (KR)
IPC: G01C3/00
Filed: 2005-09-27
Abstract: 본 발명은 물체를 가공 또는 검사함에 있어서 물체까지의 변위를 정확하게 측정할 수 있도록 초점 분할 방식을 이용하여 대상 물체의 변위를 측정하는 변위측정장치와 측정 방법에 관한 것이다. 
     본 발명에 의한 변위측정장치 및 방법은 빔분할기로 분할된 초점 위치를 기준으로 초점 이전에 배치된 핀홀과 초점 이후에 배치된 핀홀을 통과하는 빛을 각기 광센서로 감지하고, 감지된 광량의 차이에 의해 발생하는 광센서간의 전기적 신호 차이를 통해 측정 물체까지의 변위를 측정할 수 있으며, 산출된 전기적 신호의 차를 전기적 신호의 합의 값으로 정규화(Normalization)함으로써 측정 대상물의 반사도에 대한 영향을 최소화하고, 신호의 선형성을 확보할 수 있어 반도체, LCD 등의 각종 전자 제품 및 각종 기계 제품을 가공하거나 검사할 때 매우 정밀한 변위 측정이 가능한 것이다. 
     또한 변위의 변화에 대한 민감도를 극대화하여 기존의 변위 측정 방법보다 정밀하게 변위를 측정할 수 있어, 물체와 측정 광학계 사이의 거리를 일정하게 유지시켜 주는 자동초점 장치를 위한 방법 및 장치에도 적용이 가능하다. 
       
     변위측정장치, 변위측정방법, 핀홀, 광센서, 레이저