FR2676538B1 - Codeur optique rotatif. - Google Patents
Codeur optique rotatif.Info
- Publication number
- FR2676538B1 FR2676538B1 FR9106005A FR9106005A FR2676538B1 FR 2676538 B1 FR2676538 B1 FR 2676538B1 FR 9106005 A FR9106005 A FR 9106005A FR 9106005 A FR9106005 A FR 9106005A FR 2676538 B1 FR2676538 B1 FR 2676538B1
- Authority
- FR
- France
- Prior art keywords
- optical encoder
- rotary optical
- rotary
- encoder
- 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
- 230000003287 optical effect Effects 0.000 title 1
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
- G01P3/486—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
- 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
- G01D5/347—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 displacement encoding scales
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9106005A FR2676538B1 (fr) | 1991-05-17 | 1991-05-17 | Codeur optique rotatif. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9106005A FR2676538B1 (fr) | 1991-05-17 | 1991-05-17 | Codeur optique rotatif. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2676538A1 FR2676538A1 (fr) | 1992-11-20 |
FR2676538B1 true FR2676538B1 (fr) | 1994-07-01 |
Family
ID=9412884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9106005A Expired - Fee Related FR2676538B1 (fr) | 1991-05-17 | 1991-05-17 | Codeur optique rotatif. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2676538B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4303975A1 (de) * | 1993-02-11 | 1994-08-18 | Heidenhain Gmbh Dr Johannes | Teilungsträger |
DE19733048A1 (de) * | 1997-07-31 | 1999-02-04 | Bosch Gmbh Robert | Optischer Inkrementgeber |
JP3730232B2 (ja) * | 2003-04-24 | 2005-12-21 | ファナック株式会社 | 光学式エンコーダ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997782A (en) * | 1974-09-06 | 1976-12-14 | Dynapar Corporation | Rotary pulse transducer having stator sealing means |
US4318010A (en) * | 1978-01-17 | 1982-03-02 | General Atomic Company | Apparatus for producing square shaped pulses from a generally sinusoidally shaped signal |
US4965447A (en) * | 1988-07-28 | 1990-10-23 | The United States Of America As Represented By The Secretary Of The Army | Chopper for staring infrared systems |
DE3934339A1 (de) * | 1989-10-14 | 1991-04-25 | Heidenhain Gmbh Dr Johannes | Teilungstraeger aus kunststoff mit einer teilungsstruktur |
-
1991
- 1991-05-17 FR FR9106005A patent/FR2676538B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2676538A1 (fr) | 1992-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20090119 |