| 摘要 |
Data is shared between a vehicle mounted navigation device and a vehicle mounted user interface device and among a plurality of vehicle mounted user interface devices. In a first location free display that allows a plurality of users to separately have access to the navigation device, external data obtained from the navigation device or from another location free display and its own user data are saved and managed, and shared with the navigation device and the another location free display. It is possible to utilize the external data not owned by itself or the user data of another person with the navigation device or the another location free display and perform a navigation process in an inner space of the vehicle efficiently.
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