DE2723564C2 - Elektromechanischer Meßumformer zur Messung von mechanischen Verschiebungen - Google Patents
Elektromechanischer Meßumformer zur Messung von mechanischen VerschiebungenInfo
- Publication number
- DE2723564C2 DE2723564C2 DE19772723564 DE2723564A DE2723564C2 DE 2723564 C2 DE2723564 C2 DE 2723564C2 DE 19772723564 DE19772723564 DE 19772723564 DE 2723564 A DE2723564 A DE 2723564A DE 2723564 C2 DE2723564 C2 DE 2723564C2
- Authority
- DE
- Germany
- Prior art keywords
- impedance
- yoke
- coil
- measuring
- electromechanical
- 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
Links
- 238000006073 displacement reaction Methods 0.000 title claims description 16
- 238000005259 measurement Methods 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 3
- 238000012886 linear function Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm 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
- G01D5/12—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
- G01D5/2006—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 by influencing the self-induction of one or more coils
- G01D5/2013—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 by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core
-
- 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
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK238476A DK138287B (da) | 1976-05-31 | 1976-05-31 | Elektromekanisk målesystem til måling af mekanisk forskydning. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2723564A1 DE2723564A1 (de) | 1977-12-15 |
| DE2723564C2 true DE2723564C2 (de) | 1987-04-30 |
Family
ID=8112011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772723564 Expired DE2723564C2 (de) | 1976-05-31 | 1977-05-25 | Elektromechanischer Meßumformer zur Messung von mechanischen Verschiebungen |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS52147453A (OSRAM) |
| DE (1) | DE2723564C2 (OSRAM) |
| DK (1) | DK138287B (OSRAM) |
| FR (1) | FR2353830A1 (OSRAM) |
| GB (1) | GB1538415A (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4810964A (en) * | 1986-01-22 | 1989-03-07 | Kamyr Ab | Method and apparatus for measuring the distance between a measuring transducer and an opposing surface, particularly with paper pulp equipment |
| US5242524A (en) * | 1990-05-16 | 1993-09-07 | International Business Machines Corporation | Device for detecting an end point in polishing operations |
| US5132617A (en) * | 1990-05-16 | 1992-07-21 | International Business Machines Corp. | Method of measuring changes in impedance of a variable impedance load by disposing an impedance connected coil within the air gap of a magnetic core |
| FR2753873B1 (fr) * | 1996-09-24 | 2003-06-20 | Thomson Marconi Sonar Sas | Procede d'asservissement d'un transducteur a reluctance variable, et moteur lineaire pour la mise en oeuvre d'un tel procede |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB641351A (en) * | 1946-11-15 | 1950-08-09 | Standard Telephones Cables Ltd | Improvements in or relating to alternating current impedance bridges |
| US2569105A (en) * | 1948-02-26 | 1951-09-25 | William J James | Magnetic position responsive device |
| GB877572A (en) * | 1958-08-18 | 1961-09-13 | Kurt Siegfried Lion | Electric system for converting a change in a substantially linear impedance to a corresponding voltage |
| US4103233A (en) * | 1975-08-13 | 1978-07-25 | Verenigde Energiebedrijven Van Het Scheldeland | Installation for the measuring of an essentially linear displacement |
-
1976
- 1976-05-31 DK DK238476A patent/DK138287B/da unknown
-
1977
- 1977-05-25 DE DE19772723564 patent/DE2723564C2/de not_active Expired
- 1977-05-27 GB GB2245477A patent/GB1538415A/en not_active Expired
- 1977-05-31 JP JP6393377A patent/JPS52147453A/ja active Pending
- 1977-05-31 FR FR7716499A patent/FR2353830A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DK238476A (OSRAM) | 1977-12-01 |
| DK138287B (da) | 1978-08-07 |
| JPS52147453A (en) | 1977-12-07 |
| DE2723564A1 (de) | 1977-12-15 |
| FR2353830B1 (OSRAM) | 1982-02-26 |
| GB1538415A (en) | 1979-01-17 |
| FR2353830A1 (fr) | 1977-12-30 |
| DK138287C (OSRAM) | 1979-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: RITTER VON RAFFAY, V., DIPL.-ING. FLECK, T., DIPL. |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |