| 发明名称 |
Controlled Damping Geophone |
| 摘要 |
Vibration transducers, sensors including the vibration transducers, and methods for manufacturing the same. The vibration transducer may include a magnet. The vibration transducer may include a bobbin disposed about the magnet. The vibration transducer may include a first coil disposed about the bobbin. The vibration transducer may include a controllable damping coil disposed about the bobbin. The first coil is movable relative to the magnet. The magnet is polarized with respect to the axis of the vibration transducer. |
| 申请公布号 |
US2014301160(A1) |
申请公布日期 |
2014.10.09 |
| 申请号 |
US201313858935 |
申请日期 |
2013.04.08 |
| 申请人 |
Schlumberger Technology Corporation |
发明人 |
Kamata Masahiro |
| 分类号 |
G01V1/18;G01V13/00 |
主分类号 |
G01V1/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A vibration transducer with controlled damping, comprising:
a magnet; a bobbin disposed about the magnet; a first coil disposed about the bobbin; and a controllable damping coil disposed about the bobbin; wherein the first coil is movable relative to the magnet, and wherein the magnet is polarized with respect to the axis of the vibration transducer. |
| 地址 |
Sugar Land TX US |
