JPH0175808U - - Google Patents
Info
- Publication number
- JPH0175808U JPH0175808U JP1987171450U JP17145087U JPH0175808U JP H0175808 U JPH0175808 U JP H0175808U JP 1987171450 U JP1987171450 U JP 1987171450U JP 17145087 U JP17145087 U JP 17145087U JP H0175808 U JPH0175808 U JP H0175808U
- Authority
- JP
- Japan
- Prior art keywords
- hammer
- piezoelectric element
- air cylinder
- frequency band
- utility
- 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
Landscapes
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171450U JPH0175808U (enExample) | 1987-11-10 | 1987-11-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171450U JPH0175808U (enExample) | 1987-11-10 | 1987-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0175808U true JPH0175808U (enExample) | 1989-05-23 |
Family
ID=31463291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987171450U Pending JPH0175808U (enExample) | 1987-11-10 | 1987-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0175808U (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57175952A (en) * | 1981-04-24 | 1982-10-29 | Kyoei Giken:Kk | Non-destructive test device of non-metallic object by impulsive elastic wave |
| JPS62225905A (ja) * | 1986-03-27 | 1987-10-03 | Chuo Denshi Kogyo Kk | 厚み測定方法 |
-
1987
- 1987-11-10 JP JP1987171450U patent/JPH0175808U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57175952A (en) * | 1981-04-24 | 1982-10-29 | Kyoei Giken:Kk | Non-destructive test device of non-metallic object by impulsive elastic wave |
| JPS62225905A (ja) * | 1986-03-27 | 1987-10-03 | Chuo Denshi Kogyo Kk | 厚み測定方法 |