A device for transmitting data between a rotating part and a stationary part of a computer tomograph, in which the rotating part comprises at least one data source; a conductor structure; and at least one first transmitter for energizing the conductor structure; and the stationary part comprises at least one data sink for evaluating data; at least one receiver; and a receiver coupler for tapping off signals from the conductor structure and supplying the signals to the at least one receiver; is improved to reduce radiation of high-frequency signals.