Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1981-06-15
1983-11-22
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
G01T 120
Patent
active
044171439
ABSTRACT:
An improved emission computerized tomography (ECT) drive mechanism for an Anger-type scintillation camera is disclosed. A support arm, carrying the camera head at one end and a counterweight at the other, is mounted on a universal joint and driven about the joint by a crank. The crank comprises an acme-type screw and the arm attaches to the crank at a point distant from the joint by means of an acme nut. The tilt angle of the arm is varied by varying the position of the acme nut on the acme screw.
REFERENCES:
patent: 3011057 (1961-11-01), Anger
patent: 3281598 (1966-10-01), Hollstein
patent: 3732419 (1973-05-01), Kulberg et al.
patent: 3756549 (1973-09-01), Lange
patent: 3984689 (1976-10-01), Arseneau
patent: 4150297 (1979-04-01), Borggren
patent: 4216381 (1980-08-01), Lange
patent: 4220861 (1980-09-01), Colombo et al.
patent: 4223222 (1980-09-01), Gray et al.
Haas Werner J.
Scribano Frank C.
Howell Janice A.
Milde Jr. Karl F.
Siemens Gammasonics Inc.
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