FR2868528B1 - Capteur optique de position angulaire a polariseur segmente - Google Patents
Capteur optique de position angulaire a polariseur segmenteInfo
- Publication number
- FR2868528B1 FR2868528B1 FR0403394A FR0403394A FR2868528B1 FR 2868528 B1 FR2868528 B1 FR 2868528B1 FR 0403394 A FR0403394 A FR 0403394A FR 0403394 A FR0403394 A FR 0403394A FR 2868528 B1 FR2868528 B1 FR 2868528B1
- Authority
- FR
- France
- Prior art keywords
- optical sensor
- angular position
- position optical
- segmented polarizer
- polarizer
- 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
- 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
-
- 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
- G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
- G01D2205/20—Detecting rotary movement
- G01D2205/26—Details of encoders or position sensors specially adapted to detect rotation beyond a full turn of 360°, e.g. multi-rotation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0403394A FR2868528B1 (fr) | 2004-03-31 | 2004-03-31 | Capteur optique de position angulaire a polariseur segmente |
PCT/FR2005/000794 WO2005095897A1 (fr) | 2004-03-31 | 2005-03-31 | Capteur optique de position angulaire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0403394A FR2868528B1 (fr) | 2004-03-31 | 2004-03-31 | Capteur optique de position angulaire a polariseur segmente |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2868528A1 FR2868528A1 (fr) | 2005-10-07 |
FR2868528B1 true FR2868528B1 (fr) | 2006-06-02 |
Family
ID=34944343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0403394A Expired - Fee Related FR2868528B1 (fr) | 2004-03-31 | 2004-03-31 | Capteur optique de position angulaire a polariseur segmente |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2868528B1 (fr) |
WO (1) | WO2005095897A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2954493A1 (fr) * | 2009-12-23 | 2011-06-24 | Univ Strasbourg | Capteur optique de position angulaire absolue |
US9726560B2 (en) | 2011-10-31 | 2017-08-08 | Nsk Ltd. | Optical sensor, method for manufacturing optical sensor, optical encoder, torque detection apparatus, and electric power steering apparatus |
EP2713142B1 (fr) * | 2012-09-28 | 2017-01-04 | SICK STEGMANN GmbH | Dispositif destiné à mesurer la position relative de deux objets mobiles l'un par rapport à l'autre |
GB201313751D0 (en) | 2013-08-01 | 2013-09-18 | Renishaw Plc | Rotation Detection Apparatus |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1601058A (en) * | 1978-05-31 | 1981-10-21 | Emi Ltd | Angle resolvers |
JPH04152208A (ja) * | 1990-10-16 | 1992-05-26 | Mitsubishi Heavy Ind Ltd | 防爆型光学式エンコーダ |
US5424535A (en) * | 1993-04-29 | 1995-06-13 | The Boeing Company | Optical angle sensor using polarization techniques |
US6031613A (en) * | 1998-10-26 | 2000-02-29 | Polycom, Inc. | System and method for measuring the angular position of a rotatably positionable object |
-
2004
- 2004-03-31 FR FR0403394A patent/FR2868528B1/fr not_active Expired - Fee Related
-
2005
- 2005-03-31 WO PCT/FR2005/000794 patent/WO2005095897A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FR2868528A1 (fr) | 2005-10-07 |
WO2005095897A1 (fr) | 2005-10-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |
Owner name: MUSTAPHA REMOUCHE, FR Effective date: 20120806 |
|
ST | Notification of lapse |
Effective date: 20151130 |