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Magnetic imager and method

United States Patent

5,650,725
July 22, 1997
View the Complete Patent at the US Patent & Trademark Office
Brookhaven National Laboratory - Visit the Office of Technology Commercialization and Partnerships Website
A magnetic imager 10 includes a generator 18 for practicing a method of applying a background magnetic field over a concealed object, with the object being effective to locally perturb the background field. The imager 10 also includes a sensor 20 for measuring perturbations of the background field to detect the object. In one embodiment, the background field is applied quasi-statically. And, the magnitude or rate of change of the perturbations may be measured for determining location, size, and/or condition of the object.
Powell; James (Shoreham, NY), Reich; Morris (Kew Garden Hills, NY), Danby; Gordon (Wading River, NY)
Associated Universities, Inc. (Washington, DC)
08/ 523,109
September 1, 1995
This invention was made with Government support under contract number DE-AC02-76CH00016, between the U.S. Department of Energy and Associated Universities, Inc. The Government has certain rights in the invention.