Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1977-01-14
1978-07-25
Borchelt, Archie R.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
250370, G01T 118
Patent
active
041031644
ABSTRACT:
A portable gamma radiation dose rate meter suitable for use over 3 or 4 decades over the dose rate range 0.1 mR/hr and 1000 R/hr which incorporates an ion chamber or other radiation detector and a null deflection readout system using a calibrated potentiometer and two single light emitting diodes as high and low indicators.
REFERENCES:
patent: 3539809 (1970-11-01), Lokerson
patent: 3878496 (1975-04-01), Erickson
patent: 3984690 (1976-10-01), Marshall et al.
Borchelt Archie R.
Her Majesty the Queen in right of Canada as represented by the
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