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US 5,073,715 AGranted
Orientation detector of sources emitting radioactive radiation
AssigneeCommissariat a l'Energie Atomique
InventorsRene Chuiton, Maurice Chemtob, Philippe Kissel
Life of this patent
Estimating the term…
Abstract
An orientation detector for radioactive sources is provided. Such detector comprises a homogeneous sphere containing six sensors arranged on three different diameters at a limited depth from the sphere surface. Comparison of the radiation received and differently attenuated by the material of the sphere makes it possible to deduce the angular disposition of the source relative to the detector.
Claims7
An orientation detector for source emitting parallel radioactive radiation;
- said detector comprising a homogeneous sphere formed of a material for absorbing radioactive radiation in proportion to the length of the path traversed by such radiation in said homogeneous material;
- six radiation sensors arranged in pairs on three different diameters of said sphere and sensitive to radioactive radiation received in accordance with characteristics independent of the direction of the source of such radiation, and means associated with said sensors for measuring and comparing the radioactive radiation received by said sensors and for calculating the azimuth angle and the site angle of a radiation source relative to said detector.
Dependencies are inferred from the claim text.