Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1974-12-23
1976-03-02
Borchelt, Archie R.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250369, G01T 1164
Patent
active
039420116
ABSTRACT:
In a gamma camera having an array of photomultipliers coupled via pulse shaping circuitry and a resistor summing and weighting circuit to a display for forming an image of a radioactive target, the improvement being a modulation circuit for reducing the intensity of points on the display located at positions corresponding to positions of the photomultipliers for removing an apparent image of the array.
REFERENCES:
patent: 3573458 (1971-04-01), Anger
patent: 3732419 (1972-05-01), Kulberg et al.
patent: 3752981 (1973-08-01), Jaszczak
patent: 3777146 (1973-12-01), Brunnett et al.
Bartlett Milton D.
Borchelt Archie R.
Pannone Joseph D.
Raytheon Company
Warren David M.
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