Signal processing system for a gamma camera

Details Signal processing system for a gamma camera Signal processing system for a gamma camera

1976-03-08

1978-09-19

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250366, 250368, 328 58, G01T 120

Patent

active

041156935

ABSTRACT:
A signal processor for use in a system including a gamma camera and a cathode ray tube type display device for displaying the distribution of a radioactive pharmaceutical on X-ray film. The system incorporates a sample-and-hold circuit for extending the duration of each output pulse produced by the camera upon impingement of a radioactive particle. The extended pulses cause the X-ray film to be exposed for a longer period of time by the display apparatus, thereby allowing beam current in the tube to be reduced for smaller spot size and improved resolution in the image.

REFERENCES:
patent: 2755414 (1956-07-01), Snyder
patent: 3470482 (1969-09-01), Kolnowski
patent: 3573458 (1971-04-01), Anger
patent: 3594577 (1971-07-01), Loveday
patent: 3638045 (1972-01-01), Hughes
patent: 3919557 (1975-11-01), Berninger

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