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Precision grid survey apparatus and method for the mapping of hidden ferromagnetic structures

United States Patent

November 16, 2004
View the Complete Patent at the US Patent & Trademark Office
Brookhaven National Laboratory - Visit the Office of Technology Commercialization and Partnerships Website
The present invention is for a precision grid surveyor having a stationary unit and a roving unit. The stationary unit has a light source unit that emits a light beam and a rotator to project the light beam toward detectors on a roving unit. The roving unit moves over an area to be surveyed. Further the invention is for a method of mapping details of hidden underground iron pipelines, and more particularly the location of bell joints.
von Wimmerspeg; Udo (Bellport, NY)
Brookhaven Science Associates (Upton, NY)
10/ 190,114
July 8, 2002
This invention was made with Government support under contract number DE-AC02-98CH10886, awarded by the U.S. Department of Energy. The Government has certain rights in the invention.