Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1975-10-28
1977-04-26
Borchelt, Archie R.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
250388, G01T 118
Patent
active
040203492
ABSTRACT:
A metering circuit for a condenser ionization chamber is disclosed for simultaneously recharging the ionization chamber and reading out the amount of charge required to recharge the chamber. During the recharging process, the amount of charge necessary to recharge the ionization chamber capacitor is placed on an integrating capacitor in the metering apparatus. The resultant voltage across the integrating capacitor is a measure of the radiation to which the ionization chamber was exposed.
REFERENCES:
patent: 2871365 (1959-01-01), Cahen et al.
patent: 2884533 (1959-04-01), Richard-Foy
Barrett Patrick J.
Borchelt Archie R.
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