JPS63159998U - - Google Patents
Info
- Publication number
- JPS63159998U JPS63159998U JP5366387U JP5366387U JPS63159998U JP S63159998 U JPS63159998 U JP S63159998U JP 5366387 U JP5366387 U JP 5366387U JP 5366387 U JP5366387 U JP 5366387U JP S63159998 U JPS63159998 U JP S63159998U
- Authority
- JP
- Japan
- Prior art keywords
- resonant frequency
- vibrator
- magnetic fluid
- solenoid
- variable
- 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.)
- Pending
Links
- 239000011553 magnetic fluid Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5366387U JPS63159998U (cs) | 1987-04-08 | 1987-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5366387U JPS63159998U (cs) | 1987-04-08 | 1987-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63159998U true JPS63159998U (cs) | 1988-10-19 |
Family
ID=30879937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5366387U Pending JPS63159998U (cs) | 1987-04-08 | 1987-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63159998U (cs) |
-
1987
- 1987-04-08 JP JP5366387U patent/JPS63159998U/ja active Pending