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
Links
- 230000000694 effects Effects 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
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)
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 (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
GB0613979D0 (en) * | 2006-07-13 | 2006-08-23 | Shturman Leonid | Rotational atherectomy device with solid support 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 |
GB0613980D0 (en) * | 2006-07-13 | 2006-08-23 | Shturman Leonid | Rotational Atherectomy Device with Fluid Inflatable Elements supported by Fluid Bearings |
GB0613981D0 (de) | 2006-07-13 | 2006-08-23 | Shturman Leonid | |
GB0623366D0 (en) | 2006-11-23 | 2007-01-03 | Shturman Leonid | Rotational atherectomy device with fluid inflatable support elements and distal protection capability |
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 |
GB0905748D0 (en) | 2009-04-03 | 2009-05-20 | Shturman Leonid | Rotational atherectomy device with eccentric abrasive element 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 |
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 |
US20150276391A1 (en) * | 2012-10-15 | 2015-10-01 | Fujitsu Limited | Direction discrimination device, direction discrimination method, and recording medium storing direction discrimination control program |
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 |
US11272954B2 (en) | 2018-08-07 | 2022-03-15 | Cardio Flow, Inc. | Atherectomy devices and methods |
GB2613593A (en) * | 2021-12-07 | 2023-06-14 | Univ Newcastle | Electrochemical device monitoring |
US12004771B1 (en) | 2023-06-27 | 2024-06-11 | Cardio Flow, Inc. | Rotational atherectomy devices and methods |
Family Cites Families (18)
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 |
US4618901A (en) * | 1982-07-19 | 1986-10-21 | Nippon Telegraph & Telephone Public Corporation | High density magnetic head |
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 |
-
1988
- 1988-11-15 US US07/271,431 patent/US4931635A/en not_active Expired - Lifetime
- 1988-11-17 DE DE8888310870T patent/DE3874493T2/de not_active Expired - Fee Related
- 1988-11-17 EP EP88310870A patent/EP0319172B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0319172B1 (de) | 1992-09-09 |
DE3874493T2 (de) | 1993-04-08 |
EP0319172A3 (en) | 1990-02-07 |
EP0319172A2 (de) | 1989-06-07 |
US4931635A (en) | 1990-06-05 |
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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 |