Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1974-01-21
1976-03-02
Dixon, Harold A.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
250305, 250389, G01T 118, H01J 3928
Patent
active
039420124
ABSTRACT:
A monitoring device transparent to ionizing radiation, designed to measure the orientation, intensity and uniformity of an incident beam, comprises a cylindrical housing forming at least one ionization chamber with one or more ion-collecting electrodes transverse to the housing axis, each electrode being subdivided into a plurality of mutually insulated conductive elements connected to respective amplifiers. The elements of at least one electrode include one or more outer elements surrounding or bracketing one or more inner elements to measure the radiation in a central zone and a peripheral zone. The outputs of the respective amplifiers are additively and subtractively combined in an evaluation circuit.
REFERENCES:
patent: 2566684 (1951-09-01), Tobias
patent: 3067350 (1962-12-01), Stebler
patent: 3414726 (1968-12-01), Chameroy
patent: 3612858 (1971-10-01), DeParry
patent: 3808441 (1974-04-01), Boux
C.G.R.-MeV
Dixon Harold A.
Dubno Herbert
Ross Karl F.
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