Radiation analysis devices, radiation analysis methods, and...

Details Radiation analysis devices, radiation analysis methods, and... Radiation analysis devices, radiation analysis methods, and...

2007-11-20

2010-06-08

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

With radiant energy source

Reexamination Certificate

active

07732785

ABSTRACT:
Radiation analysis devices include circuitry configured to determine respective radiation count data for a plurality of sections of an area of interest and combine the radiation count data of individual of sections to determine whether a selected radioactive material is present in the area of interest. An amount of the radiation count data for an individual section is insufficient to determine whether the selected radioactive material is present in the individual section. An article of manufacture includes media comprising programming configured to cause processing circuitry to perform processing comprising determining one or more correction factors based on a calibration of a radiation analysis device, measuring radiation received by the radiation analysis device using the one or more correction factors, and presenting information relating to an amount of radiation measured by the radiation analysis device having one of a plurality of specified radiation energy levels of a range of interest.

REFERENCES:
patent: 5151588 (1992-09-01), Kiri et al.
patent: 2004/0026623 (2004-02-01), Doty et al.
Website: http://en.wikipedia.org/w/index.php?title=Gamma—spectroscopy&printable=yes “Gamma spectroscopy” taken from Wikipedia, the free encyclopedia, Oct. 22, 2007, pp. 1-5.

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