Information update system and method, vehicle, charger and server apparatus

摘要

An information update system is provided with a vehicle (10), a plurality of charger (20), and a server apparatus (30). The vehicle applies a first signature to position information associated with the vehicle, and transmits to a charger when a battery is charged. The charger applies a second signature to the position information with the first signature applied thereto. The charger further transmits, to the vehicle, identification information associated with the charger with a third signature applied thereto. The vehicle further applies a fourth signature to the identification information. The vehicle or the charger transmits to the server apparatus the position information with the first signature and the second signature applied thereto, and the identification information with the third signature and the fourth signature applied thereto. The server apparatus updates stored position information on the basis of the transmitted position information and the transmitted identification information.

主权项

1. An information update system comprising a vehicle on which a battery is mounted, a charger which can charge the battery and which can communicate with the vehicle, and a server apparatus configured to store therein position information associated with the charger, wherein
the vehicle comprising: a position information obtaining device configured to obtain position information associated with the vehicle when the battery is charged by the charger; and a vehicle-signature applying device configured to apply signature of the vehicle to the obtained position information associated with the vehicle and charger information which contains identification information associated with the charger and which received from the charger through communication, the charger comprising: a charger-signature applying device configured to apply signature of the charger to vehicle information which contains the position information associated with the vehicle and which received from the vehicle through communication, the vehicle or the charger further comprising: a transmitting device configured to transmit, to the server apparatus, the charger information with the signature of the vehicle applied thereto and the vehicle information with the signature of the charger applied thereto, and the server apparatus updates the stored position information on the basis of the charger information with the signature of the vehicle applied thereto and the vehicle information with the signature of the charger applied thereto transmitted by the transmitting device.