Patent ID: 7588369

Claim:
A device for identification of a detector unit in an X-ray imaging apparatus provided with: a detector unit, selected from a group of different detector units, and adapted for positioning to receive an image-forming X-ray radiation after passing a human or animalian object, said detector unit being a detector array with a plurality of detector pixels; a reading unit connected to the detector unit and provided with means for processing the signals (S) from said pixels of the detector unit and means for determining the position data of the pixels in said array while reading said signals, characterized in that said device comprises: a rack for storing those detector units belonging to said group; a predetermined slot in the rack for each individual detector unit; a sensor unit in each of said slots capable of detecting presence (P 1 ) and absence (A 1 ) of the detector units in their predetermined slots; and a communication line between said sensor unit and said reading unit providing identification data concerning at least the absence (A 1 ) of a single detector unit from its slot in the rack into said reading unit.