| 发明名称 |
Method and apparatus for seismic detection. |
| 摘要 |
<p>1. Seismic detection apparatus comprising a seismic pick-up (11, 12) made of one or more geophones, a damping resistance (13), and an amplifier (19), characterized in that said damping resistance (13) is essentially constituted by a resistance connected in series between said pick-up (11, 12) and said amplifier (19).</p> |
| 申请公布号 |
EP0149951(A2) |
申请公布日期 |
1985.07.31 |
| 申请号 |
EP19840402767 |
申请日期 |
1984.12.28 |
| 申请人 |
SOCIETE DE PROSPECTION ELECTRIQUE SCHLUMBERGER;SCHLUMBERGER LIMITED |
发明人 |
JULLIEN, FRANCOIS MARIE JOSEPH |
| 分类号 |
G01V1/16;H03F1/26;H03F3/45;(IPC1-7):G01V1/16 |
主分类号 |
G01V1/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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