Research/Patents/US 4992786
US 4992786

ELECTRICAL CONDUCTOR DETECTOR

Assignee

Filed

Aug 3, 1973

Granted

Feb 12, 1991

Location

Abstract

Apparatus is disclosed for detecting partially submerged wires and determng the location of the above water portion thereof by injecting into the submerged portion a radio frequency electrical signal, and utilizing radio direction finders to obtain a fix on the resulting radiating above water portion. An insulation cutting probe is used, and a radio frequency injection signal generator is described that minimizes power loss to the water medium.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jan 28, 1982

Rescinded

Aug 6, 1990

Duration

8 years, 6 months

Inventor

  • 1JAMES L. KIRKLAND

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records