Computer tomography apparatus with compensation for focus migrat

Details Computer tomography apparatus with compensation for focus migrat Computer tomography apparatus with compensation for focus migrat

1992-12-14

1994-03-29

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378151, H05G 160

Patent

active

052992500

ABSTRACT:
A computer tomography apparatus is disclosed wherein it is assured, given a migration of the focus out of a nominal position, that the radiation detector is always struck approximately centrally by the x-ray beam for the x-ray beams are provided at both ends of the radiation detector, which generate signals that are used to adjust the position of the primary radiation diaphragm, preferably an individual adjustment of the diaphragm plates, such that the x-ray beam always strikes the radiation detector approximately centrally.

REFERENCES:
patent: 4371976 (1983-02-01), Wagner
patent: 4803711 (1989-02-01), Tsuji et al.
patent: 4934832 (1990-06-01), Strauss
patent: 4991189 (1991-02-01), Boomgaarden et al.

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