FR2306437B2 - - Google Patents
Info
- Publication number
- FR2306437B2 FR2306437B2 FR7510602A FR7510602A FR2306437B2 FR 2306437 B2 FR2306437 B2 FR 2306437B2 FR 7510602 A FR7510602 A FR 7510602A FR 7510602 A FR7510602 A FR 7510602A FR 2306437 B2 FR2306437 B2 FR 2306437B2
- 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
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/18—Measuring magnetostrictive properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H13/00—Measuring resonant frequency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7510602A FR2306437A2 (en) | 1975-04-04 | 1975-04-04 | Oscillating bar frequency measuring device - uses change of magnetisation caused by change of length and length of bar may be adjusted |
| US05/590,034 US4012870A (en) | 1974-07-03 | 1975-06-25 | Apparatus for measuring and changing vibration frequency of metal B |
| DE2528575A DE2528575B2 (en) | 1974-07-03 | 1975-06-26 | Device for measuring and, if necessary, changing the natural oscillation frequencies of a metallic rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7510602A FR2306437A2 (en) | 1975-04-04 | 1975-04-04 | Oscillating bar frequency measuring device - uses change of magnetisation caused by change of length and length of bar may be adjusted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2306437A2 FR2306437A2 (en) | 1976-10-29 |
| FR2306437B2 true FR2306437B2 (en) | 1978-12-01 |
Family
ID=9153541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7510602A Granted FR2306437A2 (en) | 1974-07-03 | 1975-04-04 | Oscillating bar frequency measuring device - uses change of magnetisation caused by change of length and length of bar may be adjusted |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2306437A2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2413643A2 (en) * | 1977-12-28 | 1979-07-27 | Lignes Telegraph Telephon | Mechanical resonator resonance frequency measuring device - has two coils with voltage input of one being amplified and filtered, and uses magnetic impulses |
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1975
- 1975-04-04 FR FR7510602A patent/FR2306437A2/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2306437A2 (en) | 1976-10-29 |