Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1984-09-10
1986-12-16
Smith, Alfred E.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250369, G01T 120
Patent
active
046298940
ABSTRACT:
A device for measuring nuclear radiation which comprises a scintillator (10) for the detection of the radiation quanta which is optically coupled to an entrance window of a photodetector (20) for converting the scintillations 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 nonsuperposed 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 coefficients 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.
REFERENCES:
patent: 3525047 (1970-08-01), Schwartz
patent: 3541311 (1970-11-01), Yuglor
patent: 3752988 (1973-08-01), Culver
patent: 3984689 (1976-10-01), Arseneau
patent: 4152596 (1979-05-01), Marshall, III
Hanig Richard
Miller Paul R.
Smith Alfred E.
U.S. Philips Corporation
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