Power supply for electrical detectors particularly for gamma rad

Details Power supply for electrical detectors particularly for gamma rad Power supply for electrical detectors particularly for gamma rad

1985-08-21

1988-02-16

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250374, 320 1, 363 21, G01T 1175

Patent

active

047257350

ABSTRACT:
A power supply for a gamma radiation detector, or other detector device electrically detecting the aperiodic occurrence of a phenomenon, comprises a free-running oscillator periodically outputting, at a low repetition rate, pulses having short widths and long intervals between them; a capacitor chargeable to the detector operating voltage for operating the electrical detector device; a charging circuit coupling the oscillator to the capacitor for charging same by the pulses periodically outputted by the oscillator, the capacitor being partially discharged by the detector device upon a detection of the phenomenon; and an oscillator control effective, upon a detection of the phenomenon by the detector device, to trigger the oscillator to immediately output a pulse for recharging the capacitor.

REFERENCES:
patent: 3428807 (1969-02-01), Jones et al.
patent: 3878496 (1975-04-01), Erickson
patent: 4546257 (1985-10-01), Lewiner et al.
Prof. Dr. Med. H. Gruter, "Taschenrechner als digital anzeigendes Strahlungsmessgerat", Electronik, vol. 25, No. 12 (Dec. 1976), pp. 65-66.

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