Method of and system for locating a single passive...

Details Method of and system for locating a single passive... Method of and system for locating a single passive...

2006-08-22

2006-08-22

Patidar, Jay M. (Department: 2862)

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

For small object detection or location

C324S329000

Reexamination Certificate

active

07095231

ABSTRACT:
A method of and system for locating a single passive underground marker type may distinguish false indications caused by other marker types. In accordance with aspects of the present invention, minimization or elimination of false marker indications may be accomplished by processing the response from a marker to determine which frequency has the largest response.

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patent: 2005/0159929 (2005-07-01), Overby et al.

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