baber/WOPTO huggingface dataset:
Patent KR-20010079972-A (KR)
Title: A method of treatment of halogenous, organic waste material
IPC: C08J11/16
Filed: 1999-10-01
Abstract: Halogenous, organic waste material such as PVC is subjected to a hydrolysis treatment by suspending 1 part by weight of the waste material in comminuted state in 1-10 parts by weight of water in the presence of a base and heating this to a temperature of between 250-280° C. at a pressure sufficient to maintain the water in liquid state for a period of time sufficient to convert substantially all organically bound halogen present to inorganic halides. By the treatment valuable halogen-free organic compounds are generated as decomposition products ensuring the economy of the treatment.
Patent KR-20010080254-A (KR)
IPC: A61K31/381
Filed: 1999-11-16
Abstract: 항에스트로겐 작용물질을 자궁내막증 및/또는 월경이상의 처치 또는 예방을 위하여 투여하는 경우, 처치 또는 예방을 위하여 투약할 필요가 있는 기간 중에 항구적으로 연속하여 투여 (연속 투여) 할 필요는 없고, 월경주기의 월경기에서 배란직전까지의 기간중 연속된 5~13 일간만 투여 (주기 투여) 하는 것만으로, 연속 투여한 경우와 거의 동등한 치료효과를 얻을 수 있다.   또한 이러한 주기 투여에 의하여 항에스트로겐 작용물질의 연속 투여시에 보이는 부작용을 거의 발현시키지 않으므로, 주기 투여는 항에스트로겐 작용물질을 자궁내막증 및/또는 월경이상의 처치 또는 예방을 위하여 투여하는 경우에 있어서의 투여방법으로서 유용하다.
Patent KR-20010085954-A (KR)
IPC: A01N43/54
Filed: 1999-11-08
Abstract: 본 발명은 공지된 활성 화합물을 함유하는 하기 일반식 (I)의 신규 활성 배합물 및 식물병원성 진균을 구제하기 위한 그의 용도에 관한 것이다: 
     
       
     
     상기 식에서, Z, X 및 A 는 각각 명세서에 정의된 바와 같다.
Patent KR-20010101906-A (KR)
IPC: H04B10/24
Filed: 2000-01-04
Abstract: 다중 파 분할 멀티플렉서 시스템에서, 각각 제1파장을 가지는 적어도 제1 및 제2 광신호들의 단일 광섬유(18)를 통한 동시 양방향 전송은, 각각 개개의 광송신기(74,4)를 다른 광송신기의 광신호로부터 전기적으로 절연시킴으로써 제공된다.
Patent KR-20010113705-A (KR)
IPC: H01L27/108
Filed: 1999-12-13
Abstract: 본 발명은 반도체집적회로장치에 관한 것으로서 다이나믹형 메모리셀에서 비트선으로 독출된 미소전압을 증폭하는 센스앰프의 증폭 MOSFET, 상기 비트선을 선택하는 컬럼스위치 MOSFET를 포함하는 메모리어레이, 상기 컬럼스위치를 통하여 선택된 메모리셀의 기억정보를 독출하는 메인앰프를 포함하는 판독기입부 및 상기 판독기입부와의 사이에서 데이터의 입출력동작을 실행하는 논리회로부를 구비한 반도체집적회로장치에 있어서 상기 다이나믹형 메모리셀의 기억콘덴서와 동일 구조의 플레이트 전극에 대응한 제 1 전극과 상기 기억콘덴서의 축적노이드의 복수개가 공통화되어 이루어지는 제 2 전극을 각각 구비하는 2개의 콘덴서를 직렬형태로 하여 상기 판독기입부에 근접하여 배치하고 또한 상기 판독기입부의 동작전압사이에 상기 2개의 콘덴서의 직렬회로를 접속하는 기술이 제시된다.
Patent KR-20020005743-A (KR)
Title: Robust interconnect structure
IPC: H01L23/52
Filed: 2000-05-15
Abstract: A structure comprising a layer of copper, a barrier layer, a layer of AlCu, and a pad-limiting layer, wherein the layer of AlCu and barrier layer are interposed between the layer of copper and pad-limiting layer.
Patent KR-20020026866-A (KR)
IPC: H01L51/30
Filed: 2001-03-27
Abstract: 본 발명은 양극층; 음극층; 및 이들 층 사이에 배치된, 유리 전이 온도가 11O℃ 이상인 카바졸 유도체 및 인광성 도판트(dopant)를 포함하는 유기 발광층으로 구성된 유기 전자발광 소자에 관한 것이다. 
     이러한 구성에 의해, 실온 조건에서도 카바졸 유도체의 삼중항 여기자(triplet excitron) 상태를 이용할 수 있으며, 실용적인 수명 시간을 갖고, 게다가 우수한 내열성을 갖는 유기 전자발광 소자를 제공할 수 있다.
Patent KR-20020005770-A (KR)
IPC: H04L12/46
Filed: 2000-05-31
Abstract: 본 발명은 브리지(bridge)에 의해 연결된 버스를 포함하는 통신 네트워크에서 라우팅 표(routing table)를 결정하기 위한 방법에 관한 것이며, 여기서 각 브리지는 2개의 동반 포털(companion portal)을 포함하며, 제 1 포털은 제 1 버스에 연결되며, 제 2 포털은 제 2 버스에 연결되며, 각 버스는 고유한 버스 식별자에 의해 식별되며, 각 포털은 고유한 포털 식별자에 의해 식별된다. 본 발명의 방법은, (a) 상기 주어진 포털에 의해 저장된 라우팅 표 데이터를 상기 주어진 포털에 의해 상기 주어진 포털의 동반 포털에 송신하며, 상기 주어진 포털의 동반 포털로부터 라우팅 표 데이터를 상기 주어진 포털에 의해 수신하는 단계와; (b) 상기 수신된 라우팅 표 데이터를 상기 주어진 포털 자체의 라우팅 표의 내용과 연관시키는(concatenating) 단계와; (c) 상기 주어진 포털 자체의 라우팅 표 데이터를 상기 포털의 로컬 버스 상에 방송하는 단계와; (d) 상기 로컬 버스 상에서 다른 포털에 의해 방송된 라우팅 표 데이터를 수신하고, 상기 수신된 라우팅 표 데이터를 상기 주어진 포털 자체의 라우팅 표의 내용과 연관시키는 단계와; (e) 상기 네트워크의 모든 버스에 관한 라우팅 데이터가 수신될 때까지 상기 주어진 포털에 의해 위의 단계들을 반복하는 단계를 포함한다. 본 발명은 또한 위의 방법을 구현하기 위한 포털 디바이스에 관한 것이다.
Patent KR-20020012266-A (KR)
IPC: C07D403/12
Filed: 2000-05-31
Abstract: 본 발명은 화학식 I의 신규 화합물을 사용하여 알츠하이머병을 치료하는 방법을 제공한다. 
     <화학식 I> 
     
       
     
     (상기 식에서, X는 페닐 또는 치환 페닐이고, 
     Y는 페닐, 치환된 페닐, 피리딜 또는 치환된 피리딜이다) 
     또한 화학식 I의 화합물을 사용하여 아밀로이드 단백질의 응집을 억제하는 방법 및 이소인돌린 유도체를 사용하여 아밀로이드 침착물을 영상화하는 방법을 제공한다.
Patent KR-20020062683-A (KR)
Title: Flow field plates
IPC: B24C1/04
Filed: 2000-07-04
Abstract: The present invention relates to flow field plates and the manufacture thereof, for use in fuel cells. The method of manufacture comprises particulate etching of a plate material using a particulate etchant (eg. sand blasting), a particulate etchant accelerator and a particulate etchant-resistant patterned mask, such that a fluid flow pattern determined by the pattern design on said mask is formed on the plate material.
Patent KR-20030059598-A (KR)
Inventor: KIM GI JEON
IPC: B60C11/12
Filed: 2002-01-03
Abstract: PURPOSE: A tire having a main groove and a semi groove is provided to prevent performance of noise from lowering by wear of the tire, and minimize reduction of braking force and driving force. CONSTITUTION: A tire has main grooves(1) arranged to a tread part of the tire at predetermined intervals in the circumferential direction of the tire, to divide the tread part into plurals blocks, and semi grooves formed to the blocks. The width of the semi groove gets bigger to the lower end of the width direction. The width ratio of the semi groove and the main groove ranges 0.8:1¯1:1 in the same width line(a). The width ratio of the semi groove and the main groove ranges 0.8:1¯1:1, in the upper part of the semi groove, and ranges 1:1¯1:0.8, in the lower part of the semi groove. The main groove and the semi groove are arranged parallel in the longitudinal direction of the groove.
Patent KR-20030060445-A (KR)
Title: Method and system for obtaining characteristic measuring factors of pneumotachometer
Inventor: CHA UN JONG
IPC: G01F25/00
Filed: 2002-01-09
Abstract: PURPOSE: A system is provided to easily measure a measurement characteristic revision factor which enables more exact measurement. CONSTITUTION: A syringe(10) is connected to a breath tube of a breath flow measuring device(50). A detection part(20) senses a volume variation in the syringe to output a voltage signal. An analog-to-digital converter(30) converts a volume variation signal and a differential voltage signal into digital signals. The volume variation signal is detected by a voltage signal from the detection part(20). The differential voltage signal is detected through a signal extracting circuit(56) from a differential voltage sensor(54) connected to a breath flow sensor(52) connected to the device(50). A computer(40) calculates a measurement characteristic revision factor using output signals of the converter(30).
Patent KR-20030064587-A (KR)
Title: TM TM omitted
Inventor: KOOK YOUNG ROK
Filed: 2002-01-28
Abstract: PURPOSE: A rental business system for offering a telemarketing room to a company or an individual needing a telemarketing network by constructing the telemarketing room is provided to maximize rental earnings by constructing or remodeling the telemarketing room. CONSTITUTION: A telemarketing facilities consulting company introduces the particulars for building rental equipping with the telemarketing facilities to the individual or the company needing the telemarketing facilities(1). The individual or the company requests the rental to the consulting company(2). The consulting company invites a building owner wanting to construct and rent the telemarketing facilities(3). The building owner makes a contract with the consulting company by negotiating an opinion for the facilities specification, a rental fee, and a management fee(6). A facilities consortium constructs the telemarketing facilities(7). The individual or the company wanting to rent the telemarketing room moves into the building having the telemarketing facilities(8).
Patent KR-20030066096-A (KR)
Inventor: PARK KYUNG WOO
IPC: B01D35/00
Filed: 2002-02-04
Abstract: PURPOSE: A composition of water purifier filter is provided to completely remove foreign materials and harmful bacteria contained in drinking water and prevent secondary proliferation of bacteria and recontamination of drinking water by separated organic matter by sequentially laminating cornix having main constituents of activated carbon and ocher, veinstone and feldspar. CONSTITUTION: In an ordinary water purifier in which pretreatment filters are installed in a cartridge(11) to purify drinking water, the composition of water purifier filter(10) comprises 5 to 15 wt.% of PP or PE formed in a non-woven fabric shape; 17 to 19 wt.% of activated carbon; 53 to 55 wt.% of cornix comprising a main constituent of ocher; 11 to 13 wt.% of veinstone; and 5 to 7 wt.% of feldspar consisting of (K,Na,Ca,Ba) (Al,Si)408, wherein 1 to 3 wt.% of non-woven fabric shaped PP or PE filter(12), 17 to 19 wt.% of activated carbon filter(13), 1 to 3 wt.% of non-woven fabric shaped PP or PE filter(12), 53 to 55 wt.% of cornix filter(14), 1 to 3 wt.% of non-woven fabric shaped PP or PE filter(12), 11 to 13 wt.% of veinstone filter(15), 1 to 3 wt.% of non-woven fabric shaped PP or PE filter(12), 5 to 7 wt.% of feldspar filter(16) and 1 to 3 wt.% of non-woven fabric shaped PP or PE filter(12) are sequentially arranged in the cartridge(11), wherein the cornix filter is manufactured by mixing 53 to 57 wt.% of the first mixture with 43 to 47 wt.% of the second mixture after forming first mixture comprising 49 to 53 wt.% of ocher, 12 to 16 wt.% of feldspar consisting of (K,Na,Ca,Ba) (Al,Si)408, 15 to 19 wt.% of CaCO3, 6 to 10 wt.% of Ca(OH)2, 4 to 8 wt.% of Ca(NO3)2, and 2 to 6 wt.% of CaO and forming second mixture comprising 26 to 30 wt.% of illite consisting of (K,H3O)Al2(Si,Al)4010(H2O,OH)2, 23 to 27 wt.% of zeolite, 20 to 24 wt.% of carbon, and 23 to 27 wt.% of veinstone.
Patent KR-20020085783-A (KR)
Inventor: MOFFATT JOHN R
IPC: C09B67/46
Filed: 2002-02-05
Abstract: PURPOSE: Provided is a method for solubilization for certain classes of pigments in which a fairly acidic proton is substituted for a water-soluble group on the surface of the pigment particle. CONSTITUTION: The method for self-dispersing a pigment in an aqueous solution, comprises (a) providing a pigment having an azo group and either a beta-diketo structure or a hydroxyl group, each conjugatively associated with the azo group; (b) treating the pigment with a base having sufficient strength to generate a negative charge on the pigment; and (c) reacting the negatively charged pigment with either (1) a first hydrophilic molecule containing at least one functional group comprising a carbon-carbon double bond and a carbonyl that is alpha to the carbon-carbon double bond which reacts via addition to form a hydrophilic group on the pigment or (2) a second hydrophilic molecule containing at least one functional group which is an anionic functional group, a cationic functional group, or a zwitter-ionic functional group and at least one leaving group which reacts via substitution to form a hydrophilic group on the pigment.
Patent KR-20030067194-A (KR)
IPC: B02C19/00
Filed: 2002-02-07
Abstract: 본 발명은 주조용 언, 탕도, 제품 등의 파쇄·절단장치의 날붙이구조에 관한 것으로서, 고정 날붙이와 가동 날붙이가 맞물림 관계가 되고, 이 고정 날붙이와 가동 날붙이 사이에 맞물림 간격을 형성하고, 또한 띠 형상 날붙이의 선단면이, 고정 날붙이의 선단면으로부터 돌출한 구성으로, 고정 날붙이장치와 가동 날붙이장치의 아래쪽에 대치하는 고정 날붙이와 가동 날붙이의 사이(대치하는 고정 날붙이와 가동 날붙이로 한다)에서 발생하는 파쇄물이 공중에 매달린 상태를 회피하는 것, 또는 이 회피를 통하여 연속운전의 확보와, 보수관리의 용이화, 또는 파쇄물 추출의 용이화와, 수고의 경감화, 효율의 향상됨을 특징으로 한다.
Patent KR-20030071063-A (KR)
Title: Method for manufacturing Magnetic tunnel junction
Inventor: AHN JUN HYEONG
IPC: G11B5/39
Filed: 2002-02-27
Abstract: PURPOSE: A method for forming a magnetic tunnel junction is provided to obtain excellent insulating layer and insulating layer/ferroelectric layer interface. CONSTITUTION: A nitride insulating layer(15) is formed on a bottom stack structure. A ferroelectric free layer and a protection film(18) are sequentially formed on the nitride insulating layer, to form a magnetic tunnel junction. The nitride insulating layer is formed through reactive deposition using a mixed gas of N2 and H2 as a reaction gas. Otherwise, the nitride insulating layer is formed in such a manner that a deposited Al metal thin film is heat-treated in the ambient of a mixed gas of N2 and H2 to be nitrided.
Patent KR-20030071136-A (KR)
Title: Assemblying structure of outeriot parts for casement window type airconditioner
Inventor: JANG U SEONG
IPC: F24F1/00
Filed: 2002-02-27
Abstract: PURPOSE: A component assembly structure is provided to achieve improved performance of heat exchange of the outdoor heat exchanger, while preventing an air leakage between the shroud and outdoor heat exchanger. CONSTITUTION: A component assembly structure comprises a shroud(140) for guiding the air sucked from the outside of a cabinet(55) to the outdoor area, and which has an escape portion(147) recessed toward the inner surface of the cabinet; an outdoor fan(150) mounted in the center of a through hole(141) which penetrates through the shroud, and which has a slinger ring(151) disposed in the escape portion of the shroud; and an outdoor heat exchanger(80) arranged in the inner rear end of the cabinet, and which performs a heat exchange operation between the air transferred by the outdoor fan and working fluid of the heat exchange cycle, wherein the outdoor heat exchanger has both ends constituted by a channel(164) which has a channel terminal(165) coupled to the side wall of the shroud.
Patent KR-20020072212-A (KR)
Title: Hollow stabilizer and manufacturing method thereof
Inventor: KATSUYA AKIHIRO
IPC: B21D53/88
Filed: 2002-03-07
Abstract: PURPOSE: A method of manufacturing a hollow stabilizer is provided to obtain variable thickness in a moderate manufacturing process, to change readily a solid stabilizer into the hollow stabilizer by a wide optional range for design, and to show sufficiently the efficiency of shot peening from outside. CONSTITUTION: A manufacturing method for a hollow stabilizer includes a pipe compressing step of compressing an electro seamed pipe in a temperature range of a hot or a warm state to make a rate of a thickness with respect to an outer diameter from 18 to 35 percent(S1), and a forming step of forming the compressed electro seamed pipe in a stabilizer shape in a cold state(S2). A step of applying a heat treatment to a half-finished stabilizer(S3), a step of tapering on the half-finished stabilizer(S4), a shot peening step of impacting a shot on the half-finished stabilizer(S5), and a step of coating the half-finished stabilizer(S6).
Patent KR-20030072914-A (KR)
Title: Polypropylene based resin composition
Inventor: HAN MIN SU
IPC: C08L53/00
Filed: 2002-03-07
Abstract: PURPOSE: Provided is a polypropylene-based resin composition which has excellent melt tension and die swelling property and is suitable for blow molding of large article, and which has excellent dimensional stability, rigidity, and heat resistance, as well as excellent creep resistance and hydraulic resistance. CONSTITUTION: The polypropylene-based resin composition comprises (a) 10-80 parts by weight of polypropylene blend comprising (i) 20-80 parts by weight of linear polypropylene resin, and (ii) 20-80 parts by weight of branched polypropylene resin; (b) 0.01-20 parts by weight of polyethylene resin; and (c) 0.01-20 parts by weight of ethylene-alpha-olefin copolymer rubber. The composition further comprises at least one adjuvant selected from the group consisting of 1-30 parts by weight of inorganic filler, 0.001-5 parts by weight of powdery fluorine resin, and 0.1-2.0 parts by weight of coupling agent.
Patent KR-20030073349-A (KR)
Title: air breather of auto transaxle
Inventor: KIM SEON GI
IPC: F16H57/027
Filed: 2002-03-11
Abstract: PURPOSE: A transmission for a vehicle is provided to prevent oil dispersed by the rotation of a change gear from leaking into an air breather by improving the installation structure of the air breather and accordingly to prevent the change gear from being worn. CONSTITUTION: A transmission for a vehicle is composed of a transmission case(50) in which a change gear is combined and arranged; a strength reinforcing rib(70) integrally mounted at an upper end of the transmission case, wherein a space part is formed; and an air breather(80) disposed to the upside of the strength reinforcing rib to exhaust high-pressure air to the outside. The strength reinforcing rib is formed at a side in the transmission case and is provided with an oil cut-off plate for preventing oil in the transmission case from being flowed into the space part.
Patent KR-20030074004-A (KR)
Title: Apparatus and method for outputting a text picture
Inventor: LEE GYU TAE
IPC: G06T11/00
Filed: 2002-03-15
Abstract: PURPOSE: A device and method for outputting character images are provided to prevent the generation of flickering noise for characters in the traverse direction by displaying character images for fields regardless of the odd or even fields. CONSTITUTION: A character image outputting method includes the steps of checking whether an additional service is requested by a user key input(S10), determining whether character display is required at the request of OSD menu display(S11), searching and reading character data stored for OSD menu from a non-volatile memory(S12), generating character images corresponding to the read OSD character data and outputting the images to odd fields of a television(S13), outputting the same character images to even fields alternating the odd fields(S14), determining whether the character display is to be released(S16), and continuing or stopping the OSD menu display by controlling the operation of an OSD generating part(S16).
Patent KR-20030075278-A (KR)
Title: Bumper of truck
Inventor: KIM IL UNG
IPC: B60R19/38
Filed: 2002-03-18
Abstract: PURPOSE: A bumper for a truck is provided to reduce the cost of fuel and to prevent the breakage of a bumper on a rough road by varying the height of the bumper depending on the state of a road. CONSTITUTION: A bumper for a truck comprises a bracket consisting of a front panel(110), upper and lower panels(120,130) and a side panel(140), a side member(200) installed lengthwise a vehicle and having a through recess(210), a guide bar(300) fixed on the upper panel of the bracket through the recess, a spring(400) elastically supporting the bracket upward, and a position determining unit selectively cutting off the upward movement of the bracket and a bumper cover(11) by the spring.
Patent KR-20030075483-A (KR)
Title: Method for extracting bed mattress according to characteristics of the human body
Inventor: LEE HYEON JA
IPC: A47C31/12
Filed: 2002-03-19
Abstract: PURPOSE: Provided is a process for selecting optimum bed mattress depending on individual's body characteristics in order to give pleasant and deep sleeping effect on the selected bed mattress. CONSTITUTION: The process comprises a first step of measuring body pressure of individuals; a second step of calculating loads applied in order and slope of bed mattress relative to depth pressed by the loads by using the measured body pressure; and a third step of comparing the calculated slope of the bed mattress and other slopes pre-determined for a number of bed mattresses to select more comfortable bed. The measurement step is conducted by using a measurement plate(10) with pressure sensors, a controller(20) to transfer signals from the sensors; and a computer(30) to analyze and process the signals.
Patent KR-20030078196-A (KR)
Title: Method for controlling a lottery ticket operating game for a stock item selection type based on the on-line network
Inventor: PYO SUN DO
Filed: 2002-03-28
Abstract: PURPOSE: A method for managing a lottery ticket game capable of selecting a security item is provided to improve a user merit of an on-line lottery ticket managing system by constructing a process environment and inducing a user to recognize a general flow of the securities market when the user purchases a lottery ticket based on the process environment by on-line naturally. CONSTITUTION: A lottery ticket game participation guide process judges whether a series of events is generated from a user client(S102). A series of security item insertion type lottery ticket game participation guide pages having security items arranged according to classes is created. A created security item insertion type lottery ticket game participation guide page is transmitted to the user client(S104). It is judged whether a series of lottery ticket purchase decision information having a security item selection result of the corresponding user is transmitted from the user client(S107). In the case that lottery ticket purchase decision information is transmitted from the user client, stored lottery ticket game participation information and member financial information are updated in accordance with corresponding lottery ticket purchase decision information(S109). A lottery ticket game participation of a corresponding user is reflected to the system(S110).
Patent KR-20020077663-A (KR)
Inventor: SAYEEDI SHAHAB M
IPC: H04J13/00
Filed: 2002-04-06
Abstract: PURPOSE: A method for supporting a CCPD(Common Channel Packet Data) service in a CDMA(Code Division Multiple Access)2000 RAN(Random Access Network) is provided to support the CCPD services in the CDMA2000 RAN without using a traffic channel. CONSTITUTION: A BS(Base Station)(104) receives an origination message including a request for a CCPD service. The BS(104) acknowledges the receipt of the origination message. The BS(104) determines whether the request for the CCPD service is granted. If the request is granted, the BS(104) sends an ADDS transfer message to an MSC(Mobile Station Controller)(110). The ADDS transfer message includes authentication parameters received from an MS(Mobile Station)(202), an authentication data element computed in the BS(104), and an ADDS user part element with a data burst type field set as an SDB(Short Data Burst). The BS(104) receives authentication results from the MSC(110). For requesting an A10 connection setup, the BS(104) transmits a message to a PCF(Packet Control Function)(106) for indicating that it is unnecessary for an A8 connection and indicating whether a call setup is about a CCPD device. At least one message with an SDB format is transmitted as the SDB from the PCF(106) to the MS(202) through a common channel. At least one message is transmitted as the SDB format from the MS(202) to the PCF(106) through an A9 signaling channel for facilitating a PPP connection between the MS(202) and a PDSN(Packet Data Serving Node)(108).
Patent KR-20030081808-A (KR)
Inventor: BAEK SEUNG HO
IPC: G01B11/26
Filed: 2002-04-13
Abstract: PURPOSE: A digital optical angle sensor is provided to precisely measure an absolute rotating angle of a rotating member by detecting an angular position of the rotating member based on a course angle and a fine angle. CONSTITUTION: A digital optical angle sensor is mounted on a rotating member(2) of discs rotated about a rotating shaft(1). The digital optical angle sensor includes a grating element section(3) and a detecting section. The grating element section(3) has a pseudo-random code formed on surfaces of discs for detecting a course angle and a triangle code formed adjacent to the pseudo-random code in order to detect a fine angle. The detecting section includes a detector for detecting a displacement signal of the grating element section(3), an A/D converter for converting the displacement signal into a digital signal, and a processor for measuring an angular position.