Radiant energy – Invisible radiant energy responsive electric signalling – Neutron responsive means
Patent
1984-07-18
1986-04-01
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
Neutron responsive means
250392, 250253, G01T 300
Patent
active
045800561
ABSTRACT:
An electronic circuit provides various accurate counts of detected neutrons to enable the assaying of fissile material in a neutron emitting radioactive source. The circuit develops a time correlated window associated with each detected neutron, and delays these windows to develop uncorrelated windows. These windows are used to develop separate detected neutron counts which distinguish between time correlated fission neutron detections and time uncorrelated singular neutron detections. The circuit also develops a count of all detected neutrons.
REFERENCES:
patent: 3225200 (1965-12-01), Gey et al.
patent: 3612872 (1971-10-01), Omohundro
patent: 4056725 (1977-11-01), Kamburov et al.
patent: 4476384 (1984-10-01), Westphal
Kaiser Bruce J.
Masaitis William
General Electric Company
Howell Janice A.
James, Jr. Ivor J.
Simkins Raymond G.
Turner Samuel E.
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