Automatic system for continuously calibrating a gamma camera

Details Automatic system for continuously calibrating a gamma camera Automatic system for continuously calibrating a gamma camera

1975-09-15

1977-09-06

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

Signalling means controls incident radiation

250252, 250363R, G01J 142

Patent

active

040470342

ABSTRACT:
A circuit for continuously recalibrating a gamma camera having a plurality of photomultipliers and signal channels which are weighted to control X and Y deflection on the display. Variation in signal channel gain is controlled and cancelled.

REFERENCES:
patent: 3428804 (1969-02-01), Comunnetti
patent: 3560744 (1971-02-01), Jordan
patent: 3714441 (1973-01-01), Kreda
patent: 3732420 (1973-05-01), Brunnett
patent: 3922541 (1975-11-01), Seeman
"An Electronically Gated Gamma & X-Ray Calibration Scheme" by Forrest et al., Nuclear Inst. vol. 101, No. 3, 1972 pp. 567-572.

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