FR2493509A1 - Procede et appareil de mesure d'un mouvement - Google Patents
Procede et appareil de mesure d'un mouvement Download PDFInfo
- Publication number
- FR2493509A1 FR2493509A1 FR8023237A FR8023237A FR2493509A1 FR 2493509 A1 FR2493509 A1 FR 2493509A1 FR 8023237 A FR8023237 A FR 8023237A FR 8023237 A FR8023237 A FR 8023237A FR 2493509 A1 FR2493509 A1 FR 2493509A1
- Authority
- FR
- France
- Prior art keywords
- movement
- graduation
- lines
- conductors
- respect
- 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
- 239000004020 conductor Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000003491 array Methods 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 11
- 230000006698 induction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 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
- G01D5/36—Forming the light into pulses
- G01D5/38—Forming the light into pulses by diffraction gratings
-
- 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
- G01D5/12—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 using electric or magnetic means
- G01D5/14—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 using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8023237A FR2493509A1 (fr) | 1980-10-30 | 1980-10-30 | Procede et appareil de mesure d'un mouvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8023237A FR2493509A1 (fr) | 1980-10-30 | 1980-10-30 | Procede et appareil de mesure d'un mouvement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2493509A1 true FR2493509A1 (fr) | 1982-05-07 |
| FR2493509B1 FR2493509B1 (enExample) | 1985-05-24 |
Family
ID=9247504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8023237A Granted FR2493509A1 (fr) | 1980-10-30 | 1980-10-30 | Procede et appareil de mesure d'un mouvement |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2493509A1 (enExample) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2799835A (en) * | 1955-05-18 | 1957-07-16 | Inductosyn Corp | Position measuring transformer |
| US2994051A (en) * | 1956-07-18 | 1961-07-25 | Emi Ltd | Displacement measuring devices |
| GB886347A (en) * | 1958-11-10 | 1962-01-03 | Dehavilland Aircraft | Improvements in measuring apparatus |
| FR1282212A (fr) * | 1960-12-14 | 1962-01-19 | Inductosyn Corp | Transducteurs multiples de précision |
| GB937468A (en) * | 1960-07-01 | 1963-09-18 | Kollsman Instr Corp | Optical pick off for pressure transducer |
-
1980
- 1980-10-30 FR FR8023237A patent/FR2493509A1/fr active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2799835A (en) * | 1955-05-18 | 1957-07-16 | Inductosyn Corp | Position measuring transformer |
| US2994051A (en) * | 1956-07-18 | 1961-07-25 | Emi Ltd | Displacement measuring devices |
| GB886347A (en) * | 1958-11-10 | 1962-01-03 | Dehavilland Aircraft | Improvements in measuring apparatus |
| GB937468A (en) * | 1960-07-01 | 1963-09-18 | Kollsman Instr Corp | Optical pick off for pressure transducer |
| FR1282212A (fr) * | 1960-12-14 | 1962-01-19 | Inductosyn Corp | Transducteurs multiples de précision |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2493509B1 (enExample) | 1985-05-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |