An imaging diagnosis system for generation of a three-dimensional image data set of an examination subject has an image acquisition unit that acquires three-dimensional raw data of the examination subject, an image reconstruction unit that generates a three-dimensional image data set
A computer program product has a check routine and an active part. When the computer program product is called, a computer, while processing the check routine, initiates a transmitter to send a launch signal. A transponder receives this signal, checks whether a time-dependent and/or