X-ray or gamma ray systems or devices – Accessory – Testing or calibration
Reexamination Certificate
2006-01-17
2006-01-17
Glick, Edward J. (Department: 2882)
X-ray or gamma ray systems or devices
Accessory
Testing or calibration
C378S004000, C378S145000
Reexamination Certificate
active
06986604
ABSTRACT:
A method is for determining a position of an object causing interference in the beam path of a computed tomography unit. The method includes recording a first calibration table in a first moving focal point mode and recording a second calibration table in a second moving focal point mode. The method further includes creating two differential tables based on the first and second calibration tables, each with a corresponding already available calibration table recorded in the same moving focal point mode and in interference-free operation. Finally, the position of the object causing the interference in the beam path is determined, based on the differential tables.
REFERENCES:
patent: 2002/0165686 (2002-11-01), Kropfeld et al.
patent: 2003/0219092 (2003-11-01), Bressel et al.
patent: 2004/0022364 (2004-02-01), Stierstorfer et al.
Glick Edward J.
Harness & Dickey & Pierce P.L.C.
Kiknadze Irakli
Siemens Aktiengesellschaft
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