X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Reexamination Certificate
2003-11-03
2009-06-16
Glick, Edward J (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
C378S015000, C378S901000
Reexamination Certificate
active
07548603
ABSTRACT:
The invention relates to a computed tomography method in which an examination zone is irradiated along a helical trajectory by a conical radiation beam. The radiation transmitted by the examination zone is measured by means of a detector unit and therefrom the absorption distribution in the examination zone is reconstructed without approximations. The reconstruction comprises a derivation of the measuring values of parallel rays of different projections, an integration of these values along K lines, a weighting of these values and a back projection.
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Bontus Claas
Kähler Thomas
Corbett John M
Glick Edward J
Koninklijke Philips Electronics , N.V.
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