GB1061804A - Electro-mechanical converter - Google Patents
Electro-mechanical converterInfo
- Publication number
- GB1061804A GB1061804A GB3554264A GB3554264A GB1061804A GB 1061804 A GB1061804 A GB 1061804A GB 3554264 A GB3554264 A GB 3554264A GB 3554264 A GB3554264 A GB 3554264A GB 1061804 A GB1061804 A GB 1061804A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oscillator
- frequency
- displacement
- inductance
- core
- 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
Classifications
-
- 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
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/24—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in magnetic properties
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
1,061,804. Measuring displacement electrically. VYZKUMNY
STAV MATEMATICKYCH STROJU. Aug. 31, 1964 [Aug. 30, 1963], No. 35542/64. Heading G1N. Displacement or force is measured by the variation in frequency of a relaxation oscillator which includes a tunnel diode 35, Fig. 5, a resistance 37, and an inductance P, the value of the inductance depending upon the displacement of a core in a coil 4, Fig. 1 (not shown), of one coil relative to another 13, 15, Fig. 3 (not shown), or of one part of a magnetic core carrying the inductance coil relative to the remainder of the core Fig. 2 (not shown). The frequency may be measured directly, or indicated remotely by telemetric means. A potential divider 37, 38 in the oscillator circuit may be temperature dependent or voltage dependent to allow for variation in temperature or supply voltage. A D.C. supply U n is connected via an RC network 44, 45, 46 to a terminal 31 of the oscillator circuit, and the output of the oscillator is fed through a resistor 34 and capacitor 33 to the terminal 31, and thence to a frequency measuring device 47. An R. C. circuit 38, 39, 40 is provided to isolate the oscillator output from the D. C. input.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS483063 | 1963-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1061804A true GB1061804A (en) | 1967-03-15 |
Family
ID=5391919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3554264A Expired GB1061804A (en) | 1963-08-30 | 1964-08-31 | Electro-mechanical converter |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1061804A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4126450A1 (en) * | 1991-08-09 | 1993-02-11 | Base Ten Gmbh | Measuring transient deformations in micron range of loaded steel parts - using EM transducer to detect deformation as induced voltage, derive and display peak valve |
-
1964
- 1964-08-31 GB GB3554264A patent/GB1061804A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4126450A1 (en) * | 1991-08-09 | 1993-02-11 | Base Ten Gmbh | Measuring transient deformations in micron range of loaded steel parts - using EM transducer to detect deformation as induced voltage, derive and display peak valve |
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