Sennheiser Electronic Gmbh & Co Kg

Matthias Fehr

Klaus Willemsen

Sven Dortmund

There is provided an antenna unit comprising a first metallic main surface () for placement of the antenna unit on a substantially planar surface, a second main surface (), a first end and a second end. The first end has a first and a second metallic side surface () and a connection () for a feed line of the antenna unit. The second end has a third side surface (). The second main surface is smaller than the first main surface. The first, second and third side surfaces extend between the first and second main surfaces.

Antenna unit for wireless audio transmission

A method is provided for allocating a frequency for wireless audio communications. A request is received for a frequency for wireless audio communications. The request contains the location, the time period, the quantity of required wireless communications paths and/or the available equipment for the wireless audio communications. This request is compared with information about frequency use which is stored in databases. Possible frequency ranges are outputted, and the possible frequency ranges are allocated to transmitting and/or receiving units of the requested audio communications.

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Wedemark, Germany

Matthias Fehr