Method and apparatus for performing an ultrasonic survey

Details Method and apparatus for performing an ultrasonic survey Method and apparatus for performing an ultrasonic survey

2004-09-08

2008-08-26

Lobo, Ian J. (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With plurality of transducers

C367S131000

Reexamination Certificate

active

07417923

ABSTRACT:
An ultrasonic surveying method includes a network of transceivers adjacent the item to be surveyed to establish a reference plane and locating an array of pingers on the object to be surveyed to establish a survey plane, establishing by ranging from the pingers to the network the location of the survey plane, detecting relative motion between the network and the pingers and correcting survey measurements for the detected motion.

REFERENCES:
patent: 4037189 (1977-07-01), Bell et al.
patent: 5047990 (1991-09-01), Gafos et al.
patent: 6317387 (2001-11-01), D'Amaddio et al.
patent: 6571635 (2003-06-01), Baltzersen et al.

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