DE3874493D1 - Optischer positionssensor, den faraday-effekt benutzend. - Google Patents

Optischer positionssensor, den faraday-effekt benutzend.

Info

Publication number
DE3874493D1
DE3874493D1 DE8888310870T DE3874493T DE3874493D1 DE 3874493 D1 DE3874493 D1 DE 3874493D1 DE 8888310870 T DE8888310870 T DE 8888310870T DE 3874493 T DE3874493 T DE 3874493T DE 3874493 D1 DE3874493 D1 DE 3874493D1
Authority
DE
Germany
Prior art keywords
position sensor
optical position
faraday effect
faraday
effect
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8888310870T
Other languages
English (en)
Other versions
DE3874493T2 (de
Inventor
Kiyoshi C O Teijin Seik Toyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nabtesco Corp
Original Assignee
Teijin Seiki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP62303813A external-priority patent/JP2551606B2/ja
Priority claimed from JP63051824A external-priority patent/JP2543563B2/ja
Application filed by Teijin Seiki Co Ltd filed Critical Teijin Seiki Co Ltd
Application granted granted Critical
Publication of DE3874493D1 publication Critical patent/DE3874493D1/de
Publication of DE3874493T2 publication Critical patent/DE3874493T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/344—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using polarisation
    • G01D5/345—Polarising encoders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
DE8888310870T 1987-12-01 1988-11-17 Optischer positionssensor, den faraday-effekt benutzend. Expired - Fee Related DE3874493T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62303813A JP2551606B2 (ja) 1987-12-01 1987-12-01 ファラデー効果型光位置センサの光スイッチング装置および該装置を備えた光位置センサ
JP63051824A JP2543563B2 (ja) 1988-03-04 1988-03-04 光位置センサ

Publications (2)

Publication Number Publication Date
DE3874493D1 true DE3874493D1 (de) 1992-10-15
DE3874493T2 DE3874493T2 (de) 1993-04-08

Family

ID=26392403

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888310870T Expired - Fee Related DE3874493T2 (de) 1987-12-01 1988-11-17 Optischer positionssensor, den faraday-effekt benutzend.

Country Status (3)

Country Link
US (1) US4931635A (de)
EP (1) EP0319172B1 (de)
DE (1) DE3874493T2 (de)

Families Citing this family (37)

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FR2670014B1 (fr) * 1990-12-04 1993-01-22 Sextant Avionique Capteur tachymetrrique intrinseque a fibre optique.
DE4113841C2 (de) * 1991-04-27 1997-01-09 Deutsche Forsch Luft Raumfahrt Einrichtung zur Messung einer translatorischen Wegänderung
JPH0584375A (ja) * 1991-09-26 1993-04-06 Nagano Japan Radio Co ミシン用検出器
US5424535A (en) * 1993-04-29 1995-06-13 The Boeing Company Optical angle sensor using polarization techniques
JP2648437B2 (ja) * 1993-06-03 1997-08-27 帝人製機株式会社 光磁気変調方式並びにその方式を用いた変位検出装置および光スイッチ
US5875818A (en) * 1994-09-23 1999-03-02 The Boeing Company Opto-electric/hydraulic servocactuation
US5543627A (en) * 1994-09-23 1996-08-06 The Boeing Company Method for maximizing the solar cell OPTO-electronic conversion efficiency in optically controlled hydraulic actuators
US5709245A (en) * 1994-09-23 1998-01-20 The Boeing Company Optically controlled actuator
US5780845A (en) * 1995-04-25 1998-07-14 Toshihiko Yoshino Optical current transformer
US5859531A (en) * 1996-07-25 1999-01-12 Maurice; Lisa Brackenbury Displacement apparatus using a magnetic optic sensor and position dependent magnetic field
FR2784456B1 (fr) * 1998-10-09 2000-12-08 Sextant Avionique Dispositif de mesure de distance a effet magneto-optique et chaine de mesure incorporant ce dispositif
US6507016B1 (en) 2000-04-18 2003-01-14 Trw Inc. Apparatus and method for sensing a vehicle rollover condition
US6495820B1 (en) 2000-10-02 2002-12-17 Trw Inc. Sensor apparatus and method for sensing angular rotation of an object using light reflected off a rotor and bifurcation compensation
DE10054062A1 (de) * 2000-10-31 2002-05-16 Heidenhain Gmbh Dr Johannes Verfahren zur Positionsbestimmung und Positionsmesseinrichtung zur Ausführung des Verfahrens
DE10161550A1 (de) * 2001-12-14 2003-06-18 Duerr Systems Gmbh Sensoranordnung für ein auf Hochspannungspotential liegendes Teil einer Beschichtungsanlage
DE10243399B4 (de) * 2002-09-18 2006-10-05 ZF Lemförder Metallwaren AG Dreh- und/oder Kippwinkelerfassungseinrichtung für ein Kugelgelenk
JP4911489B2 (ja) * 2005-01-07 2012-04-04 財団法人電力中央研究所 探傷装置
GB2426458A (en) 2005-05-26 2006-11-29 Leonid Shturman Atherectomy device
GB0613981D0 (de) * 2006-07-13 2006-08-23 Shturman Leonid
GB0613980D0 (en) 2006-07-13 2006-08-23 Shturman Leonid Rotational Atherectomy Device with Fluid Inflatable Elements supported by Fluid Bearings
GB0613982D0 (en) 2006-07-13 2006-08-23 Shturman Leonid Rotational atherectomy device with fluid inflatable support elements and two torque transmitting coils
GB0623366D0 (en) 2006-11-23 2007-01-03 Shturman Leonid Rotational atherectomy device with fluid inflatable support elements and distal protection capability
GB0613979D0 (en) 2006-07-13 2006-08-23 Shturman Leonid Rotational atherectomy device with solid support elements supported by fluid bearings
JP4285547B2 (ja) * 2007-01-22 2009-06-24 日新イオン機器株式会社 ビーム電流波形の測定方法および測定装置
GB0722990D0 (en) 2007-11-23 2008-01-02 Shturman Leonid Rotational atherectomy system with enhanced distal protection capability and method of use
GB0905751D0 (en) 2009-04-03 2009-05-20 Shturman Leonid Rotational atherectomy device with distal embolic protection and method of use
GB0905748D0 (en) 2009-04-03 2009-05-20 Shturman Leonid Rotational atherectomy device with eccentric abrasive element and method of use
CN102295203B (zh) * 2011-08-19 2013-06-19 上海新时达电气股份有限公司 电梯系统
EP2664897B1 (de) 2012-05-16 2014-07-02 SICK STEGMANN GmbH Drehgeber und Verfahren zur Bestimmung einer Winkelstellung
WO2014061079A1 (ja) * 2012-10-15 2014-04-24 富士通株式会社 方向検知装置、方向検知方法、方向検知制御プログラム
JP5792253B2 (ja) * 2013-10-02 2015-10-07 ファナック株式会社 導光路を有する透過型光学式エンコーダ
US9788853B2 (en) 2014-01-15 2017-10-17 Cardio Flow, Inc. Atherectomy devices and methods
US10441312B2 (en) 2017-02-23 2019-10-15 Cardio Flow, Inc. Atherectomy devices and methods
US11213314B1 (en) 2018-05-24 2022-01-04 Cardio Flow, Inc. Atherectomy devices and methods
US11147582B2 (en) 2018-06-14 2021-10-19 Cardio Flow, Inc. Atherectomy devices and methods
WO2020033260A1 (en) 2018-08-07 2020-02-13 Cardio Flow, Inc. Atherectomy devices and methods
GB2613593A (en) * 2021-12-07 2023-06-14 Univ Newcastle Electrochemical device monitoring

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
US3453614A (en) * 1965-01-06 1969-07-01 Norman J Bose Magnetic a/d encoder and method of producing same
US3465322A (en) * 1966-06-20 1969-09-02 Ibm Transducer utilizing electro-optic effect
US3870397A (en) * 1973-11-13 1975-03-11 Bell Telephone Labor Inc Thin film magneto-optic switch
US4153329A (en) * 1977-07-25 1979-05-08 Bell Telephone Laboratories, Incorporated Optical crosspoint switch having mode-conversion facilities
JPS5459915A (en) * 1977-10-20 1979-05-15 Sony Corp Method and apparatus for reading of magnetic recording signal
US4356395A (en) * 1979-07-06 1982-10-26 The Boeing Company Digital fiber optic sensor system
NL192546C (nl) * 1982-07-19 1997-09-02 Nippon Telegraph & Telephone Leeskop voor een met hoge dichtheid uitgevoerde magnetische registratie.
DE3341265A1 (de) * 1983-11-15 1985-05-23 Phönix Armaturen-Werke Bregel GmbH, 6000 Frankfurt Messgeraet
US4609961A (en) * 1984-08-20 1986-09-02 Datatape Incorporated Faraday-effect magneto-optic transducer
JPS61151423A (ja) * 1984-12-26 1986-07-10 Hitachi Ltd 光磁気式エンコ−ダ
JPH07105081B2 (ja) * 1985-01-23 1995-11-13 株式会社日立製作所 光磁気ディスク装置及びその情報処理方法
US4654837A (en) * 1985-09-06 1987-03-31 Datatape Incorporated Magneto-optic transducer with enhanced signal performance
JPS6289201A (ja) * 1985-10-16 1987-04-23 Hitachi Ltd 磁気記録再生装置
DE3542042C1 (de) * 1985-11-28 1987-01-02 Daimler Benz Ag Faseroptischer Sensor zur Erfassung der Bewegung oder Position eines Bauteils
EP0226652B1 (de) * 1985-12-20 1990-05-09 Honeywell Regelsysteme GmbH Sensor
FR2603705B1 (fr) * 1986-09-05 1988-10-28 Thomson Csf Tete de mesure de champ magnetique integree et son procede de realisation
DE3639908C1 (en) * 1986-11-22 1987-10-15 Daimler Benz Ag Device for indirectly electrically measuring a mechanical quantity on a moving object to be sensed
US4745357A (en) * 1987-03-23 1988-05-17 Westinghouse Electric Corp. Optical interface for a magneto-optical current transducer

Also Published As

Publication number Publication date
EP0319172A3 (en) 1990-02-07
DE3874493T2 (de) 1993-04-08
EP0319172A2 (de) 1989-06-07
US4931635A (en) 1990-06-05
EP0319172B1 (de) 1992-09-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee