Distinguishing false signals in cable locating

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United States of America Patent

PATENT NO 11906685
APP PUB NO 20210247539A1
SERIAL NO

17157106

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Discriminating between a cable locating signal and a false cable locating signal is described. A reference signal, which contains a locating signal frequency impressed on it, is transmitted in a way which provides for detection of a phase shift between the locating signal and the false locating signal. Based on the phase shift, a receiver is used to distinguish the locating signal from the false locating signal.

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Patent Owner(s)

  • MERLIN TECHNOLOGY INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chau, Albert W Woodinville, US 181 2558
Mercer, John E Gig Harbor, US 274 4668

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