Patent ID: 9479626
Filing Date: 2016-10-25
CPC Classification: H04M,H04W

Claim Text:
1. A wireless telephone sound interface device comprising: an electronic circuit; a first wireless transceiver adapted to exchange audio signals with a base unit through a wireless audio connection; and a device controller adapted to detect the different causes of disconnection between a disconnection of the wireless audio connection resulting deliberate user action and other causes to control the electronic circuit in dependence on detecting said disconnection, and wherein the device controller further is adapted to estimate a disconnection cause for said disconnection and to control the electronic circuit in dependence on the estimated disconnection cause and alerting the user only on causes for disconnection which are not deliberately caused; and wherein the device controller further is adapted to estimate a disconnection cause as one of multiple predefined disconnection causes, the multiple predefined disconnection causes comprising at least a range-violation cause indicating that the disconnection was estimated to be caused by an exceeding of the communication range of the wireless audio connection.