Siemens Aktiengesellschaft

Albrecht Bar

Helmut Ermert

Thomas Ulherr

A rotating data transmission device has a rotating part, such as a rotor, and a stationary part, such as a stator. One of the parts is in the form of a waveguide coupled to a set of transmitters. The other part has a set of receivers associated therewith, the number of transmitters being different from the number of receivers. The transmitters and receivers are respectively located at positions which guarantee continuous data transmission with no interruptions during relative movement of the parts. This results during transmission in certain waveguide sections which are not always required for primary data transmission, thus making those sections available for use as secondary transmission paths. The device is particularly suited for use in a computer tomograph apparatus for transmission of measured data and control data at a high rate.

Rotating data transmission device

A data bus system in which digital processing modules are associated with the busses in matrix fashion is disclosed. The modules contain respective intelligent and autonomously operating coupling units, by which information distribution on the busses, fault detection and error processing may be transacted in a decentralized manner. The system is highly secure and fault-tolerant. A corresponding matrix bus system together with the corresponding current couplers can also connect power supplies associated with each of the modules to each other in the event of failure of the power supply in an individual module.

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Buckenhof, Germany

Albrecht Bar