G - Physics – 01 – T
Patent
G - Physics
01
T
358/5
G01T 1/17 (2006.01) G01T 1/164 (2006.01)
Patent
CA 1225755
PHF 83.575 17 27-08-84 ABSTRACT: Device for measuring nuclear radiation, and gamma or scin- tillation camera comprising such a device. A device for measuring nuclear radiation which comprises a scintillator (10) for the detection of the radiation quanta which is optically coupled to an en-trance window of a photodetector (20) for converting the scin- tillations produced by the radiation into current pulses. The device comprises a digital circuit which is connected to a sampling and analog-to-digital conversion circuit (40) and which is used to determine the energy of each non- superposed radiation quantum; when the radiation quanta produce partly superposed current pulses, this circuit determines the energy content of the individual radiation quanta by extrapolations and corrections, notably by means of a memory (170 and/or 180) in which the correction co- efficients are stored for performing extrapolations and corrections under the control of a sequencer (200) as initiated by a pulse edge detector (80) which detects the incidence of a radiation quantum.
463088
N.v.philips'gloeilampenfabrieken
Van Steinburg C.e.
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