Acoustic method for locating concealed pipe

Details Acoustic method for locating concealed pipe Acoustic method for locating concealed pipe

1991-01-18

1992-07-07

Williams, Hezron E.

Measuring and testing

Vibration

By mechanical waves

73597, 73 405A, G01S 3808

Patent

active

051272679

ABSTRACT:
A method for determining the location of a concealed pipe is disclosed. An identifiable acoustic signal is injected into the concealed pipe. The signal propagates along the interior length of the pipe. The signal is detected by an array of detectors positioned at varying distances from the pipe. The detected signal generates voltage outputs from the detectors to a signal processor. The "time-of-flight" of the acoustic signal from the point of generation to the point of detection is measured by the signal processor. The detector measuring the shortest "time-of-flight" is closest to the concealed pipe.

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