JPS63188563U - - Google Patents
Info
- Publication number
- JPS63188563U JPS63188563U JP7868787U JP7868787U JPS63188563U JP S63188563 U JPS63188563 U JP S63188563U JP 7868787 U JP7868787 U JP 7868787U JP 7868787 U JP7868787 U JP 7868787U JP S63188563 U JPS63188563 U JP S63188563U
- Authority
- JP
- Japan
- Prior art keywords
- leak resistance
- piezoelectric element
- resistance during
- piezoelectric
- changes
- 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
- 230000007613 environmental effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7868787U JPS63188563U (mo) | 1987-05-27 | 1987-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7868787U JPS63188563U (mo) | 1987-05-27 | 1987-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63188563U true JPS63188563U (mo) | 1988-12-02 |
Family
ID=30927856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7868787U Pending JPS63188563U (mo) | 1987-05-27 | 1987-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63188563U (mo) |
-
1987
- 1987-05-27 JP JP7868787U patent/JPS63188563U/ja active Pending
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