FR2725025B1 - Tachymetre magneto-optique - Google Patents
Tachymetre magneto-optiqueInfo
- Publication number
- FR2725025B1 FR2725025B1 FR9411310A FR9411310A FR2725025B1 FR 2725025 B1 FR2725025 B1 FR 2725025B1 FR 9411310 A FR9411310 A FR 9411310A FR 9411310 A FR9411310 A FR 9411310A FR 2725025 B1 FR2725025 B1 FR 2725025B1
- Authority
- FR
- France
- Prior art keywords
- magneto
- optical tachometer
- tachometer
- 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
- 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
- G01P3/488—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 variable reluctance detectors
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9411310A FR2725025B1 (fr) | 1994-09-22 | 1994-09-22 | Tachymetre magneto-optique |
PCT/FR1995/001221 WO1996009555A1 (fr) | 1994-09-22 | 1995-09-22 | Tachymetre magneto-optique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9411310A FR2725025B1 (fr) | 1994-09-22 | 1994-09-22 | Tachymetre magneto-optique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2725025A1 FR2725025A1 (fr) | 1996-03-29 |
FR2725025B1 true FR2725025B1 (fr) | 1997-01-17 |
Family
ID=9467170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9411310A Expired - Fee Related FR2725025B1 (fr) | 1994-09-22 | 1994-09-22 | Tachymetre magneto-optique |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2725025B1 (fr) |
WO (1) | WO1996009555A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1151701A (ja) * | 1997-08-08 | 1999-02-26 | Teijin Seiki Co Ltd | 光磁気変調装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2647818C2 (de) * | 1976-10-22 | 1985-02-14 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Abgabe eines elektrischen Signales |
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 |
US4843232A (en) * | 1987-12-28 | 1989-06-27 | Allied-Signal Inc. | Optic switch and speed sensor |
US4947035A (en) * | 1988-08-08 | 1990-08-07 | Cornell Research Foundation, Inc. | Fiber optic transducer using faraday effect |
US5038102A (en) * | 1988-12-27 | 1991-08-06 | Amespace, Inc. | Speed sensor utilizing magneto-optics switch actuated by magnetic field rotation |
-
1994
- 1994-09-22 FR FR9411310A patent/FR2725025B1/fr not_active Expired - Fee Related
-
1995
- 1995-09-22 WO PCT/FR1995/001221 patent/WO1996009555A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO1996009555A1 (fr) | 1996-03-28 |
FR2725025A1 (fr) | 1996-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
CL | Concession to grant licenses | ||
ST | Notification of lapse |