JPS5383664A - Inclination correcting device for power electric type underground seismograph - Google Patents
Inclination correcting device for power electric type underground seismographInfo
- Publication number
- JPS5383664A JPS5383664A JP16065076A JP16065076A JPS5383664A JP S5383664 A JPS5383664 A JP S5383664A JP 16065076 A JP16065076 A JP 16065076A JP 16065076 A JP16065076 A JP 16065076A JP S5383664 A JPS5383664 A JP S5383664A
- Authority
- JP
- Japan
- Prior art keywords
- seismograph
- correcting device
- power electric
- electric type
- type underground
- 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
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51160650A JPS58608B2 (en) | 1976-12-28 | 1976-12-28 | Tilt correction device for electrodynamic underground seismometer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51160650A JPS58608B2 (en) | 1976-12-28 | 1976-12-28 | Tilt correction device for electrodynamic underground seismometer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5383664A true JPS5383664A (en) | 1978-07-24 |
JPS58608B2 JPS58608B2 (en) | 1983-01-07 |
Family
ID=15719511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51160650A Expired JPS58608B2 (en) | 1976-12-28 | 1976-12-28 | Tilt correction device for electrodynamic underground seismometer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58608B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3502911B2 (en) * | 2001-05-31 | 2004-03-02 | 東京大学長 | An asymmetric rotational vibration detector using a pendulum with a permanent magnet placed in a parallel magnetic field |
-
1976
- 1976-12-28 JP JP51160650A patent/JPS58608B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS58608B2 (en) | 1983-01-07 |
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