A radiotelephone interface for a vehicle includes a pointing device that is configured to couple to the vehicle steering mechanism. A first wireless network interface is responsive to a radiotelephone being proximate thereto, to set up a first wireless piconetwork connection with the radiotelephone,...http://www.google.de/patents/US20030092384?utm_source=gb-gplus-sharePatent US20030092384 - Piconetwork radiotelephone interfaces for vehicles including wireless pointing and display devices