Patent ID: 8914079

Claim:
An information management device provided in a management center, which manages delivery and reception of information through wireless communication between mobile information terminals respectively provided in a plurality of vehicles, the information management device comprising: a post information management unit, which receives location information and post information posted from the mobile information terminals, and which associates the received location information and post information with each other and manages the location information and the post information; a weighting unit, wherein, based on detection of change of driving environment, the vehicle automatically transmits, together with the location information of the vehicle, information indicative of the change in the driving environment, and wherein the weighting unit weights the post information and the location information based on a combination of the information indicative of the change in the driving environment and information posted through the mobile information terminals; and a delivery control unit, which, in response to a request from any of the mobile information terminals, selects the managed location information and the managed post information that correspond to the request and delivers, from the selected location information and the selected post information, the post information and the location information having high priorities based on the weighting, wherein, to allow a display device of the mobile information terminal that has sent the request to display, in a superposed manner, the selected post information on a location of a map information indicated by the selected location information, the delivery control unit delivers the selected location information and the selected post information to the mobile information terminal that has sent the request, wherein the weighting unit is configured to set a priority degree of the post information and the location information high when a user account of the information indicative of the change in the driving environment coincides with a user account of the information posted through the mobile information terminals, and the weighting unit is configured to set the priority degree of the post information and the location information low when the user account of the information indicative of the change in the driving environment does not coincide with the user account of the information posted through the mobile information terminals.