X-ray computed tomography apparatus

Details X-ray computed tomography apparatus X-ray computed tomography apparatus

2005-07-12

2005-07-12

Church, Craig E. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S004000

Reexamination Certificate

active

06917665

ABSTRACT:
An X-ray computed tomography apparatus for providing information of alignment, comprises an X-ray generator, an X-ray detector, and a controller. The X-ray generator generates an X-ray. The X-ray detector comprises a plurality of detecting segments in a slice direction and detects the X-ray generated by the X-ray generator. The controller provides the information of alignment between the X-ray generator and the X-ray detector in the slice direction on the basis of a detection information obtained from at least two of the detecting segments, wherein each of the at least two of the detecting segments is at least partially covered by a penumbra of the X-ray.

REFERENCES:
patent: 6056437 (2000-05-01), Toth
patent: 6327331 (2001-12-01), Toth et al.
patent: 6370218 (2002-04-01), Toth et al.
patent: 9-201353 (1997-08-01), None
patent: 2002-172091 (2002-06-01), None

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