DD77827A5 - Magneto-dynamic geophone with frequency control - Google Patents
Magneto-dynamic geophone with frequency controlInfo
- Publication number
- DD77827A5 DD77827A5 DD14065869A DD14065869A DD77827A5 DD 77827 A5 DD77827 A5 DD 77827A5 DD 14065869 A DD14065869 A DD 14065869A DD 14065869 A DD14065869 A DD 14065869A DD 77827 A5 DD77827 A5 DD 77827A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- geophone
- magneto
- dynamic
- frequency control
- frequency
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12768268 | 1968-06-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
DD77827A5 true DD77827A5 (en) | 1970-11-20 |
Family
ID=38582105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD14065869A DD77827A5 (en) | 1968-06-22 | 1969-06-20 | Magneto-dynamic geophone with frequency control |
Country Status (1)
Country | Link |
---|---|
DD (1) | DD77827A5 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2532247A1 (en) * | 1975-07-18 | 1977-01-20 | Kraftwerk Union Ag | Seismic oscillations of reactor components - measured by movements of floating mass using inductive displacement pickup |
DE102006016355A1 (en) * | 2006-04-05 | 2007-10-18 | Vega Grieshaber Kg | vibration sensor |
-
1969
- 1969-06-20 DD DD14065869A patent/DD77827A5/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2532247A1 (en) * | 1975-07-18 | 1977-01-20 | Kraftwerk Union Ag | Seismic oscillations of reactor components - measured by movements of floating mass using inductive displacement pickup |
DE102006016355A1 (en) * | 2006-04-05 | 2007-10-18 | Vega Grieshaber Kg | vibration sensor |
US7598820B2 (en) | 2006-04-05 | 2009-10-06 | Exxonmobil Research And Engineering Company | Magnetic drive for high and low temperature mechanical oscillators used in sensor applications |
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