Apparatus for use with metallic structures
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United States of America Patent
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Oct 30, 2012
Grant Date -
Jun 21, 2012
app pub date -
Dec 15, 2010
filing date -
Dec 15, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus for connection to a metallic structure, the apparatus comprises a transformer rectifier unit operable to output a DC current for cathodic protection of a metallic structure, and a modulator unit connected to receive a DC output from the transformer rectifier unit. The modulator unit is arranged for connection to a metallic structure, and is operable to produce a modulated current which is applied to such a metallic structure when the apparatus is in use, such that the metallic structure is detectable by a wireless locating device. The modulator unit is operable to be controlled remotely.
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