Personal mobile communication device

摘要

A human computer interface device is provided in which the operation of the user interface depends upon detected physical and location attributes of the user. If a user is moving the user interface switches to auditory output only. Detected location attributes are also used to modify the operation of the user interface. Also provided is a mobile conferencing device incorporating such a human conmputer interface device. In this case the ring-tone or a visual display can be tailored according to the detected location.