JPS61150481U - - Google Patents
Info
- Publication number
- JPS61150481U JPS61150481U JP3446785U JP3446785U JPS61150481U JP S61150481 U JPS61150481 U JP S61150481U JP 3446785 U JP3446785 U JP 3446785U JP 3446785 U JP3446785 U JP 3446785U JP S61150481 U JPS61150481 U JP S61150481U
- Authority
- JP
- Japan
- Prior art keywords
- alarm
- damage
- detector
- damage signal
- change width
- 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.)
- Granted
Links
- 241000256602 Isoptera Species 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 1
Landscapes
- Catching Or Destruction (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3446785U JPH0112610Y2 (https=) | 1985-03-11 | 1985-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3446785U JPH0112610Y2 (https=) | 1985-03-11 | 1985-03-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61150481U true JPS61150481U (https=) | 1986-09-17 |
| JPH0112610Y2 JPH0112610Y2 (https=) | 1989-04-12 |
Family
ID=30537863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3446785U Expired JPH0112610Y2 (https=) | 1985-03-11 | 1985-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0112610Y2 (https=) |
-
1985
- 1985-03-11 JP JP3446785U patent/JPH0112610Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0112610Y2 (https=) | 1989-04-12 |