Patent ID: 8054988

Claim:
A communications device for transmitting acoustic signals in a motor vehicle, comprising: at least two transmitter devices configured to transmit acoustic signals; at least two receiver devices configured to emit acoustic signals; a control unit configured to activate and deactivate at least the transmitter devices; wherein at least one transmitter device and at least one receiver device are assigned to a spatial position, the transmitter devices configured to detect signal levels in accordance with the control unit, the control unit assigned at least one control element configured to weight signal levels of at least one transmitter device to one of selectively attenuate and selectively amplify the signal level of each transmitter device in accordance with a respective weighting factor based on the weight, the control unit configured to activate only a transmitter device having a highest weighted signal level, wherein the at least one control element is a part of a multifunction operation unit configured to select the spatial position by one function of the multifunction operation unit, and configured to at least one of activate and deactivate at least one of the at least one transmitter device and the at least one receiver device assigned to the spatial position by another function of the multifunction operation unit.