ANOMALY DETECTOR FOR PIPELINES
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United States of America Patent
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N/A
Issued Date -
May 5, 2011
app pub date -
Jun 25, 2009
filing date -
Jun 25, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Apparatus for locating an object in a pipeline, comprising a transmitting station having means for transmitting in the pipeline acoustic emissions having a frequency in the range from 20 KHz to 200 KHz; a receiving station having a receiver capable of receiving the acoustic emissions transmitted by the transmitting station; one of the receiving station and the transmitting station being located at a known position on the pipeline and the other of the receiving station and the transmitting station being located on the object; and clock means to determine the time taken for the acoustic emissions to travel between the transmitting station and the receiving station.
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