A communications and entertainment device in which a cellular telephone is unfolded to form a headset which allows the user to wear the headset in a manner similar to conventional telephone headsets. The device includes an AM/FM radio receiver. The subsystems are prioritized such that one system is automatically...http://www.google.co.uk/patents/US6510325?utm_source=gb-gplus-sharePatent US6510325 - Convertible portable telephone
