JPH0530202B2 - - Google Patents
Info
- Publication number
- JPH0530202B2 JPH0530202B2 JP14326084A JP14326084A JPH0530202B2 JP H0530202 B2 JPH0530202 B2 JP H0530202B2 JP 14326084 A JP14326084 A JP 14326084A JP 14326084 A JP14326084 A JP 14326084A JP H0530202 B2 JPH0530202 B2 JP H0530202B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- movable
- generating means
- ultrasonic
- fixed
- 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 - Lifetime
Links
- 230000005291 magnetic effect Effects 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 239000003302 ferromagnetic material Substances 0.000 claims description 4
- 230000001902 propagating effect Effects 0.000 claims 1
- 230000005284 excitation Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
Landscapes
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14326084A JPS6123917A (ja) | 1984-07-12 | 1984-07-12 | 位置検出器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14326084A JPS6123917A (ja) | 1984-07-12 | 1984-07-12 | 位置検出器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6123917A JPS6123917A (ja) | 1986-02-01 |
| JPH0530202B2 true JPH0530202B2 (enrdf_load_stackoverflow) | 1993-05-07 |
Family
ID=15334606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14326084A Granted JPS6123917A (ja) | 1984-07-12 | 1984-07-12 | 位置検出器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6123917A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63150612A (ja) * | 1986-12-16 | 1988-06-23 | Yaskawa Electric Mfg Co Ltd | 磁歪遅延線を用いたアブソリユ−ト変位センサ |
| JPS63238415A (ja) * | 1987-03-26 | 1988-10-04 | Hitachi Constr Mach Co Ltd | シリンダ装置のストロ−ク検出装置 |
| US5029476A (en) * | 1989-09-07 | 1991-07-09 | Westinghouse Electric Corp. | Ultrasonic system for determining the profile of solid bodies |
| JPH04204207A (ja) * | 1990-11-30 | 1992-07-24 | Matsushita Electric Ind Co Ltd | 変位検出装置 |
| JP4589669B2 (ja) | 2004-07-01 | 2010-12-01 | 株式会社アイペック | 液体貯蔵タンクの漏洩検査方法 |
-
1984
- 1984-07-12 JP JP14326084A patent/JPS6123917A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6123917A (ja) | 1986-02-01 |
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