Method and apparatus for unpiling pulses generated by piled-up s

Details Method and apparatus for unpiling pulses generated by piled-up s Method and apparatus for unpiling pulses generated by piled-up s

1992-08-07

1993-05-11

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250362, 25036302, 36441324, G01T 1208, G01T 1161

Patent

active

052104230

ABSTRACT:
A signal containing piled-up pulses from a scintillation camera head is sampled at a high frequency. Samples are summed to provide a time-integration of pulses which are sampled. When pulses pile up, the tail of the first pulse can be determined by extrapolation, permitting the first pulse to be energy-validated. The overlapping tail of the first pulse and the head of the second pulse are also time-integrated, and the area of the tail of the first pulse is subtracted from the time-integration so obtained. It is then possible to validate the second pulse.

REFERENCES:
patent: 4051373 (1977-09-01), Hatch
patent: 4323977 (1982-04-01), Arseneau
patent: 4535242 (1985-08-01), Dirkse et al.
patent: 4593198 (1986-06-01), Pang et al.
patent: 4612443 (1986-09-01), Alcidi
patent: 4629894 (1986-12-01), Lelong
patent: 4881171 (1989-11-01), Jatteau et al.

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