Miniaturized radiation chirper

Details Miniaturized radiation chirper Miniaturized radiation chirper

1978-08-17

1980-04-08

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

340600, G01T 122

Patent

active

041974611

ABSTRACT:
The disclosure relates to a miniaturized radiation chirper for use with a small battery supplying on the order of 5 volts. A poor quality CdTe crystal which is not necessarily suitable for high resolution gamma ray spectroscopy is incorporated with appropriate electronics so that the chirper emits an audible noise at a rate that is proportional to radiation exposure level. The chirper is intended to serve as a personnel radiation warning device that utilizes new and novel electronics with a novel detector, a CdTe crystal. The resultant device is much smaller and has much longer battery life than existing chirpers.

REFERENCES:
patent: 3114837 (1963-12-01), Thomas
patent: 3221317 (1965-11-01), Ferrigno, Jr.
patent: 3878496 (1975-04-01), Erickson
patent: 3999071 (1976-12-01), Siffert et al.

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