DE69320398T2 - Magnetooptischer Sensorkopf - Google Patents
Magnetooptischer SensorkopfInfo
- Publication number
- DE69320398T2 DE69320398T2 DE69320398T DE69320398T DE69320398T2 DE 69320398 T2 DE69320398 T2 DE 69320398T2 DE 69320398 T DE69320398 T DE 69320398T DE 69320398 T DE69320398 T DE 69320398T DE 69320398 T2 DE69320398 T2 DE 69320398T2
- Authority
- DE
- Germany
- Prior art keywords
- magneto
- optical sensor
- sensor head
- head
- optical
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
- G01R33/0322—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect using the Faraday or Voigt effect
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04116141A JP3114765B2 (ja) | 1992-05-08 | 1992-05-08 | 光磁界センサ |
JP13067492A JPH06222120A (ja) | 1992-05-22 | 1992-05-22 | 反射型光磁界センサヘッド |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69320398D1 DE69320398D1 (de) | 1998-09-24 |
DE69320398T2 true DE69320398T2 (de) | 1999-05-06 |
Family
ID=26454511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69320398T Expired - Fee Related DE69320398T2 (de) | 1992-05-08 | 1993-05-05 | Magnetooptischer Sensorkopf |
Country Status (3)
Country | Link |
---|---|
US (1) | US5493222A (de) |
EP (1) | EP0568992B1 (de) |
DE (1) | DE69320398T2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5485079A (en) * | 1993-03-29 | 1996-01-16 | Matsushita Electric Industrial Co., Ltd. | Magneto-optical element and optical magnetic field sensor |
US5617022A (en) * | 1995-05-01 | 1997-04-01 | Hydro-Aire Division Of Crane Company | Fiberoptic velocity transducer including dielectric coating for filtering and velocity determination |
JPH1144744A (ja) * | 1997-07-29 | 1999-02-16 | Mitsubishi Gas Chem Co Inc | 反射型光磁界センサ |
JP3493119B2 (ja) * | 1997-08-25 | 2004-02-03 | Fdk株式会社 | ファラデー回転角可変装置 |
JP2002528707A (ja) * | 1998-10-21 | 2002-09-03 | ジー. ダンカン,ポール | 希土類鉄ガーネットを用いて光の波面の偏光回転を光学的に測定するための装置および方法 |
JP2002022775A (ja) | 2000-07-05 | 2002-01-23 | Ando Electric Co Ltd | 電気光学プローブおよび磁気光学プローブ |
WO2002052498A2 (de) * | 2000-12-22 | 2002-07-04 | Giesecke & Devrient Gmbh | Vorrichtung und verfahren zur untersuchung von magnetischen eigenschaften von objekten |
JP2002311402A (ja) * | 2001-04-11 | 2002-10-23 | Minebea Co Ltd | ファラデー回転子 |
US6714007B2 (en) * | 2002-01-18 | 2004-03-30 | Honeywell International Inc. | Optically powered resonant integrated microstructure magnetic field gradient sensor |
AT411852B (de) * | 2002-02-12 | 2004-06-25 | Didosyan Yuri S Dr | Verfahren und vorrichtung zur änderung des polarisationszustandes von licht mit einem magnetisch einachsigen kristall |
JP3812525B2 (ja) * | 2002-09-20 | 2006-08-23 | 株式会社村田製作所 | 光磁界センサ |
DE102004025937A1 (de) * | 2004-05-27 | 2005-12-22 | Giesecke & Devrient Gmbh | Vorrichtung und Verfahren zur Untersuchung von magnetichen Eigenschaften von Objekten |
US8593157B2 (en) * | 2005-02-15 | 2013-11-26 | Walleye Technologies, Inc. | Electromagnetic scanning imager |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5737277A (en) * | 1980-08-18 | 1982-03-01 | Hitachi Ltd | Measuring device for magnetic field |
SU1038894A1 (ru) * | 1982-01-19 | 1983-08-30 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Способ измерени магнитного пол |
US4818080A (en) * | 1987-11-05 | 1989-04-04 | General Electric Company | Monolithic faraday optical switch |
US5038102A (en) * | 1988-12-27 | 1991-08-06 | Amespace, Inc. | Speed sensor utilizing magneto-optics switch actuated by magnetic field rotation |
DE9015613U1 (de) * | 1989-12-22 | 1991-01-31 | Iveco Magirus Ag, 7900 Ulm, De | |
JP2616124B2 (ja) * | 1990-04-03 | 1997-06-04 | 松下電器産業株式会社 | 磁気センサの製作方法 |
-
1993
- 1993-05-05 US US08/056,881 patent/US5493222A/en not_active Expired - Fee Related
- 1993-05-05 DE DE69320398T patent/DE69320398T2/de not_active Expired - Fee Related
- 1993-05-05 EP EP93107286A patent/EP0568992B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0568992A2 (de) | 1993-11-10 |
US5493222A (en) | 1996-02-20 |
EP0568992B1 (de) | 1998-08-19 |
DE69320398D1 (de) | 1998-09-24 |
EP0568992A3 (en) | 1994-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69323618D1 (de) | Pyrheliometrischer sensor | |
DE69318486D1 (de) | Magneto-optische Kopfeinrichtung | |
FI930941A (fi) | Haollbar solljusreglerande tunnfilmbelaeggning med laog emissivitet | |
FI930062A0 (fi) | Braensle-element foer en kokvattenreaktor med en saekrad stoedkonstruktionoch en laost braenslekanal | |
FI925471A0 (fi) | Andningsskydd med en indikatorenhet | |
FI924012A (fi) | Korvoeverdragsmaskin med foerbaettrat spiralformningsmunstycke | |
DE69320398D1 (de) | Magnetooptischer Sensorkopf | |
DE69215253T2 (de) | Magneto-optisches Kopfsystem | |
FI216U1 (fi) | Foerlaengningsholk foersedd med momentskruvar | |
EP0573007A3 (en) | Magneto-optic sensor head | |
DE59206663D1 (de) | Optischer Sensorkopf | |
FI924567A0 (fi) | Belastningsmaskin med hydraulisk kraftoeverfoering | |
FI925136A0 (fi) | Kapsaogssvaerd med vaetskesprutning | |
DE69311153T2 (de) | Magnetkopf | |
DE69319173T2 (de) | Magnetkopf | |
SE9202763D0 (sv) | Sensor | |
ES1023399Y (es) | Cabezal de pesaje | |
NO921824D0 (no) | Posisjonsmaaler | |
FI184U1 (fi) | Segelbaot med laog motstaond | |
FI359U1 (fi) | Kulventil med stickanslutningsdon | |
FI54U1 (fi) | Med tryckmedium verkande aktivator | |
FI676U1 (fi) | Med gasfjaedrar uppfaellbara lavestativ | |
FI208U1 (fi) | Byggnad med isoleringsskiktfoersedd yttervaegg | |
FI803U1 (fi) | Expansionskaerl med vaetskenivaokoppling foer slutna vaetskecirkulationssystem | |
FI106U1 (fi) | Byggnad med staolstomme |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |