发明名称 |
Locator equipment with self-integrity test capability |
摘要 |
The present invention generally relates to a system for use in determining the location and orientation of concealed underground objects and, more particularly, to an improved locator system having a unique and improved interface with an operator. In accordance with one embodiment of the invention, a magnetic field detector for locating concealed underground objects is provided. The magnetic field detector includes a housing having an upper housing portion and a lower housing portion. A receiver is disposed within said housing for receiving magnetic field signals from the concealed underground objects. A swivel joint couples the upper housing portion and the lower housing portion to permit relative rotational motion.
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申请公布号 |
US5541516(A) |
申请公布日期 |
1996.07.30 |
申请号 |
US19930097388 |
申请日期 |
1993.07.26 |
申请人 |
THE CHARLES MACHINES WORKS, INC. |
发明人 |
RIDER, ALAN J.;QUERRY, LESTER R. |
分类号 |
G01V3/08;G01V3/11;(IPC1-7):G01V3/11;G01N35/00;G01N31/318;G01V3/65 |
主分类号 |
G01V3/08 |
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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