FR2404829B1 - - Google Patents
Info
- Publication number
- FR2404829B1 FR2404829B1 FR7729885A FR7729885A FR2404829B1 FR 2404829 B1 FR2404829 B1 FR 2404829B1 FR 7729885 A FR7729885 A FR 7729885A FR 7729885 A FR7729885 A FR 7729885A FR 2404829 B1 FR2404829 B1 FR 2404829B1
- Authority
- FR
- France
- 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
Links
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
- G01D5/12—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
- G01D5/22—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 differentially influencing two coils
- G01D5/225—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 differentially influencing two coils by influencing the mutual induction between the two coils
- G01D5/2258—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 differentially influencing two coils by influencing the mutual induction between the two coils by a movable ferromagnetic element, e.g. core
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/001—Constructional details of gauge heads
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7729885A FR2404829A1 (en) | 1977-09-28 | 1977-09-28 | Differential transformer type miniature magnetic displacement sensor - has probe shaft and detects linear movement or acts as mechanical comparator for thickness measurements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7729885A FR2404829A1 (en) | 1977-09-28 | 1977-09-28 | Differential transformer type miniature magnetic displacement sensor - has probe shaft and detects linear movement or acts as mechanical comparator for thickness measurements |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2404829A1 FR2404829A1 (en) | 1979-04-27 |
FR2404829B1 true FR2404829B1 (en) | 1981-04-17 |
Family
ID=9196102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7729885A Granted FR2404829A1 (en) | 1977-09-28 | 1977-09-28 | Differential transformer type miniature magnetic displacement sensor - has probe shaft and detects linear movement or acts as mechanical comparator for thickness measurements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2404829A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA807717B (en) * | 1979-12-15 | 1981-12-30 | System E Controls Ltd | Variable inductance transducers |
FR2566522B1 (en) * | 1984-06-25 | 1988-05-27 | Commissariat Energie Atomique | MECHANICAL SENSOR FOR DIMENSIONAL MEASUREMENT |
DE102012101394B4 (en) * | 2012-02-21 | 2019-01-17 | Breitmeier Messtechnik Gmbh | Roughness or surface microstructure profile meter |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2583791A (en) * | 1945-09-27 | 1952-01-29 | Jack & Heintz Prec Ind Inc | Electronic comparator |
FR1266959A (en) * | 1960-09-08 | 1961-07-17 | Control device for electric measuring probe | |
CH406654A (en) * | 1964-02-05 | 1966-01-31 | Degoumois Gerald | Comparator |
DE2013639B1 (en) * | 1970-03-21 | 1971-05-19 | Aristo Werke Dennert & Pape Kg | Sensor arrangement |
CH549438A (en) * | 1971-03-01 | 1974-05-31 | Far Fab Assortiments Reunies | DEVICE FOR SIMULTANEOUS TRANSMISSION OF THE MOVEMENTS OF A PROBE TO AT LEAST TWO READING ORGANS. |
DE2331113C2 (en) * | 1973-06-19 | 1975-05-22 | W.C. Heraeus Gmbh, 6450 Hanau | Dilatometer |
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1977
- 1977-09-28 FR FR7729885A patent/FR2404829A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2404829A1 (en) | 1979-04-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
AR | Application made for restoration | ||
BR | Restoration of rights | ||
ST | Notification of lapse |