Patent ID: 11933629
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 3:
4. The map data updating device according to claim 1, wherein each of the items of information of the map data is associated with an updating date/time at which the information was updated,
the processor is configured to store the send date/time at which the server sent the map data to the vehicle, as the send date/time for the initial map data, in the memory together with the initial map data,
the processor is configured to send the send date/time for the initial map data to the server through the communication unit, together with the request for the update information, and
the processor is configured to update the initial map data using the update information containing information updated after the send date/time for the initial map data, among the information associated with the road zone of the map data that has been updated at the server, for the road zone for which update information was requested, among each of a plurality of road zones within the scheduled route.