Integrated passive and active communications system

摘要

A combined entertainment and communications system includes a passive communications subsystem such as an AM/FM radio receiver, an active communications subsystem such as a cellular telephone transmitter/receiver or a CB radio transmitter/receiver, and a shared I/O subsystem. The subsystems are integrated into a single portable package and are controlled by a control mechanism capable of automatically or semi-automatically switching control of the shared I/O subsystem between the active and passive communications subsystems. Size and weight of the device are reduced by sharing common input/output (I/O) and control components. Optional voice recognition equipment can be used to control the active or passive communications subsystems. Alternative embodiments provide additional functions such as voice activation, remote monitoring, radio station scanning for preselected audio works, caller ID used in conjunction with voice synthesis, folding headsets, and modular function packaging to easily expand or alter a particular system. Voice recognition can also be used in a passive only version of the system.