US Patent 7755055 Data transmission system for computer tomographs

A computer tomograph comprises a rotating part and a stationary part, and includes a system for transmitting data between the rotating part and the stationary part with a directional radio link. The system comprises an antenna arrangement for directional emission of data signals from the rotating part along a direction of a rotation axis of the rotating part, and for directionally sensitive reception of data signals at a patient's table on the stationary part.