Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1987-07-13
1988-09-27
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
G01T 1166
Patent
active
047744111
ABSTRACT:
In a gamma radiography apparatus a gamma scintillation camera 1 with a rectangular scintillation plate is suspended so as to be counterbalanced and rotatable about a horizontal axis 44 for a single photon emission tomography, FIG. 1b. To enable a total body emission radiography scan to be carried out by the same apparatus, FIG. 2b, the head 1 must be turned through 90 degrees in plan view. This is effected in a compact manner by using an intermediate carrier formed by at least one of the arms 7 and 8, pivoted about a first axis 9 relative to the carrier 12. The head 1 is pivoted in the arms 7, 8, about a second axis 19 at 45 degrees to the first. A rotation of 180 degrees about both axes turns the camera field through 90 degrees.
REFERENCES:
patent: 4651007 (1987-03-01), Perusek et al.
Fields Carolyn E.
Miller Paul R.
U.S. Philips Corporation
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