Vehicle navigation system and method of generating updated map data for vehicle navigation system
First Claim
1. A vehicle navigation system comprising:
- a map data read section configured to read first map data from a map database;
a history information management section configured to manage history information that identifies a search result, the search result obtained based on applying search conditions specified by a user on the first map data;
a map data acquisition section configured to acquire second map data including updated information that identifies said search result, the updated information identifying the search result subsequent to the acquisition of said second map data;
a map data update section configured to generate updated map data using said first map data and said second map data; and
wherein said map data update section is configured to generate said updated map data and store said updated map data as new first map data so that subsequent search results are obtained on the basis of the stored new first map data.
1 Assignment
0 Petitions
Accused Products
Abstract
There is provided a vehicle navigation system for searching predetermined information after map data is updated and navigating a user more effectively even when the user only knows information before the update. The vehicle navigation system includes a control section; a map data read section for reading first map data from a map database; a map data acquisition section for acquiring second map data for update; a map data update section for generating updated map data by using the first map data and the second map data; and a history information management section for managing a search result, a travel route or the like, which the user obtained by specifying search conditions, as history information, wherein the map data update section generates the updated map data so as to associate the first map data, which is associated with the history information, together with the second map data.
37 Citations
15 Claims
-
1. A vehicle navigation system comprising:
-
a map data read section configured to read first map data from a map database; a history information management section configured to manage history information that identifies a search result, the search result obtained based on applying search conditions specified by a user on the first map data; a map data acquisition section configured to acquire second map data including updated information that identifies said search result, the updated information identifying the search result subsequent to the acquisition of said second map data; a map data update section configured to generate updated map data using said first map data and said second map data; and wherein said map data update section is configured to generate said updated map data and store said updated map data as new first map data so that subsequent search results are obtained on the basis of the stored new first map data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
Specification