Hirschmann Car Communication Gmbh

Roland Boehmert

Markus Pfletschinger

Uwe Daum

Thomas Adam

Dominik Schaich

Markus Lausterer

A antenna module includes a telematics unit having a telematics printed circuit board and a Peltier element. The telematics printed circuit board has a first section and a second section. The first section is cooled by a forced airflow and the second section is cooled by the Peltier element.

Vehicle-body antenna module and method for cooling a vehicle-body antenna module

A method of operating a system () having a first controller () to which a second controller () is connected, wherein the first controller () is connected via a data link () to the second controller () and exchanges data therebetween, and the first controller () is connected to the second controller () via a power link () and supplies the second controller () with power from a power source (), characterized in that a sensor () of the first controller () is used to measure the current flow via the power link, and that the current flow is influenced by means of a load () of the second controller () for the purpose of data transmission between the two controllers (and) via the power link ().

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Reutlingen, Germany

Roland Boehmert