Dual integrator for a radiation detector

Details Dual integrator for a radiation detector Dual integrator for a radiation detector

1982-05-10

1984-12-04

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250369, G01T 1163, G01T 1202

Patent

active

044866631

ABSTRACT:
Improved detection circuitry is disclosed for calculating the position on the crystal of a scintillation event in a scintillation camera. Electrical signals developed by photomultiplier tubes for successive events are weighted by a resistor matrix and transferred to integrators which develop event position signals based on the quanta of radiation incident on the scintillation crystal. To improve the count rate without sacrificing the resolution, parallel integrators are provided so that a second integrator can integrate electrical signals from a second scintillation event during the time that a first integrator is processing the signals from a first scintillation event. Common storage buffers are connected to the integrators to hold the integrated signals for further processing.

REFERENCES:
patent: 3011057 (1961-11-01), Anger
patent: 3752988 (1973-08-01), Culver
patent: 3984689 (1976-10-01), Arseneau

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