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Radiation area monitor device and method

United States Patent

9,881,708
January 30, 2018
View the Complete Patent at the US Patent & Trademark Office
A radiation area monitor device/method, utilizing: a radiation sensor; a rotating radiation shield disposed about the radiation sensor, wherein the rotating radiation shield defines one or more ports that are transparent to radiation; and a processor operable for analyzing and storing a radiation fingerprint acquired by the radiation sensor as the rotating radiation shield is rotated about the radiation sensor. Optionally, the radiation sensor includes a gamma and/or neutron radiation sensor. The device/method selectively operates in: a first supervised mode during which a baseline radiation fingerprint is acquired by the radiation sensor as the rotating radiation shield is rotated about the radiation sensor; and a second unsupervised mode during which a subsequent radiation fingerprint is acquired by the radiation sensor as the rotating radiation shield is rotated about the radiation sensor, wherein the subsequent radiation fingerprint is compared to the baseline radiation fingerprint and, if a predetermined difference threshold is exceeded, an alert is issued.
Vencelj; Matjaz (Ljubljana, SI), Stowe; Ashley C. (Knoxville, TN), Petrovic; Toni (Ljubljana, SI), Morrell; Jonathan S. (Farragut, TN), Kosicek; Andrej (Podsreda, SI)
Consolidated Nuclear Security, LLC (Oak Ridge, TN), Jozef Stefan Institute (Ljubljana, SI), AISense d.o.o. (Podsreda, SI)
15/ 485,373
April 12, 2017
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The U.S. Government has rights to the present disclosure pursuant to Contract No. DE-NA0001942 between the U.S. Department of Energy and Consolidated Nuclear Security, LLC.