FR2351389A1 - Appareil de mesure de deplacements a reseaux optiques - Google Patents
Appareil de mesure de deplacements a reseaux optiquesInfo
- Publication number
- FR2351389A1 FR2351389A1 FR7613987A FR7613987A FR2351389A1 FR 2351389 A1 FR2351389 A1 FR 2351389A1 FR 7613987 A FR7613987 A FR 7613987A FR 7613987 A FR7613987 A FR 7613987A FR 2351389 A1 FR2351389 A1 FR 2351389A1
- Authority
- FR
- France
- Prior art keywords
- multiplexed
- light source
- square wave
- displacement measurement
- plate moving
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 title abstract 2
- 230000003287 optical effect Effects 0.000 title abstract 2
- 238000005259 measurement Methods 0.000 title 1
- 239000000523 sample Substances 0.000 abstract 2
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
- G01D5/36—Forming the light into pulses
- G01D5/363—Direction discrimination
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7613987A FR2351389A1 (fr) | 1976-05-10 | 1976-05-10 | Appareil de mesure de deplacements a reseaux optiques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7613987A FR2351389A1 (fr) | 1976-05-10 | 1976-05-10 | Appareil de mesure de deplacements a reseaux optiques |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2351389A1 true FR2351389A1 (fr) | 1977-12-09 |
FR2351389B1 FR2351389B1 (fr) | 1979-10-05 |
Family
ID=9172915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7613987A Granted FR2351389A1 (fr) | 1976-05-10 | 1976-05-10 | Appareil de mesure de deplacements a reseaux optiques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2351389A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2431459A1 (fr) * | 1978-07-22 | 1980-02-15 | Heidenhain Gmbh Dr Johannes | Dispositif de mesure numerique destine a determiner les dimensions interieures et exterieures de pieces |
US5332895A (en) * | 1992-02-20 | 1994-07-26 | Rsf-Elektronik Gesellschaft M.B.H. | Angle encoder with incremental and absolute tracks |
AT401820B (de) * | 1991-11-22 | 1996-12-27 | Rsf Elektronik Gmbh | Längen- oder winkelmesssystem |
-
1976
- 1976-05-10 FR FR7613987A patent/FR2351389A1/fr active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2431459A1 (fr) * | 1978-07-22 | 1980-02-15 | Heidenhain Gmbh Dr Johannes | Dispositif de mesure numerique destine a determiner les dimensions interieures et exterieures de pieces |
AT401820B (de) * | 1991-11-22 | 1996-12-27 | Rsf Elektronik Gmbh | Längen- oder winkelmesssystem |
US5332895A (en) * | 1992-02-20 | 1994-07-26 | Rsf-Elektronik Gesellschaft M.B.H. | Angle encoder with incremental and absolute tracks |
AT404300B (de) * | 1992-02-20 | 1998-10-27 | Rsf Elektronik Gmbh | Drehgeber |
Also Published As
Publication number | Publication date |
---|---|
FR2351389B1 (fr) | 1979-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |