Patent ID: 6611578
Filing Date: 2003-08-26
Classification: G21K

Abstract:
An X-ray examination apparatus, comprising:an X-ray source, an X-ray detector, a filter arranged between said source and said detector, said filter comprising an array of filter elements having X-ray absorbtivities that can be adjusted by means of control voltages, a control circuit for supplying said control voltages to said filter elements, an object support arranged between said filter and said detector, said station being adapted to support an object to be exposed to X-ray radiation emanating from said source, the transmitted X-ray radiation being detected by said detector, and a signal processing assembly receiving detector signals from said X-ray detector, said detector signals being group-wise arranged in accord with the supply of said control voltages to groups of adjacent filter elements, said control circuit being adapted to supply said control voltages in single-sequence fashion to said groups of adjacent filter elements.