Patent ID: 11906326
Assignee: DENSO CORPORATION
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 1:
2. The map update method according to claim 1, further comprising:
instructing, by the map update server, the onboard terminal to save the map data when instructing the onboard terminal to temporarily use the updated data;
instructing, by the map update server, the onboard terminal to reuse the saved map data when instructing the onboard terminal to use the updated data from before the start of the temporary road change;
saving, by the onboard terminal, the map data from before the temporary road change in response to the map update server instructing the onboard terminal to save the map data; and
restoring, by the onboard terminal, the saved map data in response to the map update server instructing the onboard terminal to reuse the map data.