JPS5621084B2 - - Google Patents
Info
- Publication number
- JPS5621084B2 JPS5621084B2 JP5486575A JP5486575A JPS5621084B2 JP S5621084 B2 JPS5621084 B2 JP S5621084B2 JP 5486575 A JP5486575 A JP 5486575A JP 5486575 A JP5486575 A JP 5486575A JP S5621084 B2 JPS5621084 B2 JP S5621084B2
- Authority
- JP
- Japan
- 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
Links
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5486575A JPS51139371A (en) | 1975-05-07 | 1975-05-07 | Electric quake-sensing device employing a falling ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5486575A JPS51139371A (en) | 1975-05-07 | 1975-05-07 | Electric quake-sensing device employing a falling ball |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51139371A JPS51139371A (en) | 1976-12-01 |
| JPS5621084B2 true JPS5621084B2 (ja) | 1981-05-18 |
Family
ID=12982472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5486575A Granted JPS51139371A (en) | 1975-05-07 | 1975-05-07 | Electric quake-sensing device employing a falling ball |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51139371A (ja) |
-
1975
- 1975-05-07 JP JP5486575A patent/JPS51139371A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51139371A (en) | 1976-12-01 |