Method of and apparatus for modulating the counts of a PET camer

Details Method of and apparatus for modulating the counts of a PET camer Method of and apparatus for modulating the counts of a PET camer

1988-05-05

1989-09-19

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

25036302, G01T 1161

Patent

active

048683922

ABSTRACT:
A PET camera is provided with a modulator of a material having an atomic number of at least 82. The modulator allows uses doses much higher than the PET system can handle by throttling through just the maximum allowable counting rate. As the counting activity delays, the amount of modulation is reduced so that the camera is kept counting near its maximum limit for the scanning period.

REFERENCES:
patent: 4389569 (1983-06-01), Hattori et al.
patent: 4618773 (1986-10-01), Drukier
patent: 4647779 (1987-03-01), Wong
patent: 4677299 (1987-06-01), Wong
patent: 4755679 (1988-07-01), Wong

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