Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1984-09-06
1986-03-18
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
378148, 378149, G01T 1164, G21K 102
Patent
active
045771073
ABSTRACT:
A mechanism is provided for mounting a detector head including a collimator onto supporting structure of a radiation detector for rotation about a selected one of a plurality of trunnion axes, the selection being made so that rotation occurs about the trunnion axis which passes nearest to the center of gravity of the head. A first rotatable member is mounted to the supporting structure for rotation about a first trunnion axis and a second rotatable member is mounted to the first rotatable member for rotation about a second trunnion axis. A key mounted on the first rotatable member shifts between protrusion into a first key slot located on the supporting structure and a second key slot located on the second rotatable member. The shifting mechanism is locked when the detector head is in a position other than a collimator changing position.
REFERENCES:
patent: 3756549 (1973-09-01), Lange
patent: 4438335 (1984-03-01), Meeder
Fields Carolyn E.
Jay Mark H.
Siemens Gammasonics Inc.
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