发明名称 |
Mass positioning apparatus for a seismic sensor |
摘要 |
A mass positioning apparatus for use with seismic sensors is described. The seismic sensor includes axis mechanics including a pivotable boom with a defined null point. The mass positioning apparatus comprising: adjustment means for positioning the boom at the null point; actuator means for moving the adjustment means; and means for determining a position of the adjustment means relative to an operational range of travel.
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申请公布号 |
US7388806(B2) |
申请公布日期 |
2008.06.17 |
申请号 |
US20060337967 |
申请日期 |
2006.01.23 |
申请人 |
NANOMETRICS INC. |
发明人 |
HAYMAN MARK JONATHAN BRICE;TOWNSEND BRUCE LEIGH;ACKERLEY NICHOLAS JASON;HAYMAN ROBIN BRICE |
分类号 |
G01V13/00;G01V1/00 |
主分类号 |
G01V13/00 |
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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