Detecting buried pipeline depth and location with electromagneti

Detecting field distortion in underground line location

Detecting underground objects

Detection element for objects and detection device using the...

Detection of ground-laid wire using ultraviolet C-band...

Detector apparatus and method

Detector for detecting a buried current carrying conductor

Detector for detecting a buried current carrying conductor...

Detector for detecting a buried current carrying conductor...

Detector for non-ferrous metals with reduced false positive...

Detector of metalliferous objects having two pairs of receiving

Detector system for recognizing a magnetic material

Determination of actual path of inground device based on...

Device and method for locating an inground object and a housing

Device for determining depth and direction of buried objects

Device for locating objects that emit electromagnetic signals

Device for locating steel rods buried in high-density reinforced

Device for the detection of objects, especially explosive object

Device including plural wire detecting coils having faulty coil

Digital BFO metal detecting device with improved sensitivity at