Automatic classifier for electric wire detector

Details Automatic classifier for electric wire detector Automatic classifier for electric wire detector

1973-09-07

1991-02-05

Issing, Gregory C.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

For small object detection or location

324 67, G01V 308, G01R 1900

Patent

active

049908529

ABSTRACT:
Object detecting and classifying apparatus is disclosed wherein signals, ulting from electromagnetic coupling between a search unit and an elongated, narrow, conductive object, are processed so as to provide automatic indication of detection of an object of the type mentioned. The apparatus discriminates against false indications from background and spurious signals and against signals from objects of other types by utilizing search unit means that produces successive signals having predetermined time relation to one another only when an object of the class sought is crossed, together with signal processing logic means responsive thereto, and recording and/or indicating means responsive to the logic means.

REFERENCES:
patent: 3020470 (1962-02-01), Shawhan et al.
patent: 3066256 (1962-11-01), Rasor
patent: 3281660 (1966-10-01), Stodenick
patent: 3490032 (1970-01-01), Zurflueh
patent: 3526831 (1970-09-01), Smith
M. I. Skolnik, Radar Handbook, McGraw-Hill, 1970, pp. 20-2 to 20-4.

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