Correction of data loss in gamma ray scintillation cameras

Details Correction of data loss in gamma ray scintillation cameras Correction of data loss in gamma ray scintillation cameras

1976-05-27

1977-11-15

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250363S, G01T 120

Patent

active

040587282

ABSTRACT:
A method of and circuitry for correcting gamma ray camera data signals for signal processing circuitry is disclosed. Pulses are artificially generated which replicate the data signals produced at the output of photomultiplier tubes of the gamma ray scintillation camera and are inserted in the gamma ray camera internal processing circuitry in such a manner as to remain distinguishable from the data signals generated by the photomultiplier tubes. By monitoring the number of artificial pulses produced artificially and the number of such pulses actually counted by the data processing circuitry of the gamma scintillation camera, a factor indicative of the losses of scintillation count in the processing circuitry may be determined.

REFERENCES:
patent: 2957988 (1960-10-01), Fearnside
patent: 3475748 (1969-10-01), Price et al.
patent: 3732420 (1973-05-01), Brunnett et al.

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