Patent attributes
A communication device, particularly, a car-mounted information device, which makes it possible to obtain information of a transmitting source and of a receiving end linked to a navigation function relying upon end-to-end communication by using electronic mail among vehicles. The car-mounted information device comprises a cellular phone terminal connected to an external unit, a car navigation function, a modem function for transmitting and receiving data end to end between the vehicles via the cellular phone terminals, a mail transmitting/receiving function for transmitting and receiving the data using electronic mail, and a car navigation-linking function for processing the information of the electronic mail transmitted and received by linking the information to the car navigation function.
