X-ray apparatus with focus position control

Details X-ray apparatus with focus position control X-ray apparatus with focus position control

1985-06-25

1987-06-23

Church, Craig E.

X-ray or gamma ray systems or devices

Source

Electron tube

378125, 378126, 378135, 378204, 378207, H01J 3526

Patent

active

046758917

ABSTRACT:
The invention relates to an X-ray apparatus with focus position control, the focus being formed on the anode of an X-ray tube with magnetic bearings. The X-ray apparatus comprises a focus position sensing device cooperating with electronic means associated with the magnetic bearings, in order to control the position of the focus by displacing a rotor under the action of the magnetic bearings.

REFERENCES:
patent: 3836805 (1974-09-01), Kok
patent: 4160909 (1979-07-01), Froggatt
patent: 4162420 (1979-07-01), Grady
patent: 4464778 (1984-08-01), Goldman

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