Patent ID: 9153130
Filing Date: 2015-10-06
Classification: G01C,G08G

Abstract:
1. An information updating device for acquiring POI information about a POI from an information distribution device via a network to store the POI information in an update information storage section, the information updating device comprising: a unique information acquirer for, upon recognition of acquisition request information for acquiring POI information of a POI located in a predetermined area on a map, outputting a distribution request information for requesting distribution of the POI information to the information distributing device and acquiring unique information of the POI information from the information distributing device in response to the distribution request information, the POI information including POI guidance information about a guidance of the POI and unique information that associates the POI guidance information with the POI and identifies not the POI but the POI information; a selecting section for comparing the unique information acquired by the unique information acquirer and the unique information in the update information storage section to select unique information that is not stored in the update information storage section from the acquired unique information, the selecting section outputting the selected unique information to the information distributing device; and an information updating section for acquiring POI information having the unique information selected by the selecting section from the information distributing device to store the POI information in the update information storage section to update the POI information relating to POI in the predetermined area without updating a display data for displaying the map.