JPH0526130B2 - - Google Patents
Info
- Publication number
- JPH0526130B2 JPH0526130B2 JP1282289A JP1282289A JPH0526130B2 JP H0526130 B2 JPH0526130 B2 JP H0526130B2 JP 1282289 A JP1282289 A JP 1282289A JP 1282289 A JP1282289 A JP 1282289A JP H0526130 B2 JPH0526130 B2 JP H0526130B2
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- signal
- actuator
- measuring
- capacitance
- 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
- 230000010355 oscillation Effects 0.000 claims description 21
- 235000014676 Phragmites communis Nutrition 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000012212 insulator Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1282289A JPH02193026A (ja) | 1989-01-20 | 1989-01-20 | 振動片特性測定時の電極間隔自動設定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1282289A JPH02193026A (ja) | 1989-01-20 | 1989-01-20 | 振動片特性測定時の電極間隔自動設定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02193026A JPH02193026A (ja) | 1990-07-30 |
| JPH0526130B2 true JPH0526130B2 (fr) | 1993-04-15 |
Family
ID=11816079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1282289A Granted JPH02193026A (ja) | 1989-01-20 | 1989-01-20 | 振動片特性測定時の電極間隔自動設定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02193026A (fr) |
-
1989
- 1989-01-20 JP JP1282289A patent/JPH02193026A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02193026A (ja) | 1990-07-30 |
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