Fast gamma camera

Details Fast gamma camera Fast gamma camera

1981-11-18

1984-06-19

Krass, Errol A.

Boots, shoes, and leggings

250363S, 250369, 364571, G01J 120

Patent

active

044556160

ABSTRACT:
A gamma camera has a scintillation medium responsive to radiation stimuli for producing an exponentially decaying scintillation at a location where a radiation stimulus interacts with the medium; a photodetector system responsive to a scintillation for producing outputs; and computation circuitry responsive to such outputs for producing intrinsic signals which have the same temporal nature as a scintillation and which are processed to produce coordinate signals representative of the coordinates of the scintillation producing such outputs. The computation circuitry includes truncation circuitry for electronically shortening the duration of intrinsic signals so that the computation circuitry effectively operates with signals of shorter duration than the scintillations.

REFERENCES:
patent: 3878373 (1975-04-01), Blum
patent: 3914611 (1975-10-01), Stout
patent: 3919556 (1975-11-01), Berninger
patent: 4051373 (1977-09-01), Hatch
patent: 4060730 (1977-11-01), Zioni et al.
patent: 4071762 (1978-01-01), Lange et al.
patent: 4186307 (1980-01-01), Tanaka et al.
Tanaka et al., "Variable Sampling-Time Technique for Improving Count Rate Performance of Scintillation Detectors", Nucl. Instr. and Methods, #158, pp. 454-466, (1979).

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