Radiant energy – Invisible radiant energy responsive electric signalling
Patent
1985-01-11
1987-02-10
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
364414, G01T 117
Patent
active
046424636
ABSTRACT:
An intelligent radiation monitor is disclosed which includes, as major components, a radiation detector (for detecting real time radiation rate), a digital processor and a display. The digital processor includes intelligence to perform several useful, and novel, functions. The digital processor is responsive to externally input information corresponding to alarm radiation rate, alarm radiation dose and alarm time-to-go. The digital processor integrates the perceived real time radiation rate to produce total dose information. The processor can then compare total dose information to alarm dose, compare sensed radiation rates to alarm rate and compute time-to-go, by dividing the difference between alarm dose and total dose by the present radiation rate, and finally comparing computed time-to-go to alarm time to go. The processor initiates an alarm condition for altering the user of sensed radiation rate exceeds alarm radiation rate, if total dose information exceeds alarm dose information or if time-to-go, as computed, is less than alarm time-to-go information. Additional novel functions performed include determination of expected dose, first opportunity computations and decay time-to-go computations. In all these computations the processor is capable of extrapolating predicted radiation rates.
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Hannaher Constantine
Howell Janice A.
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