地図データ配信サーバ、地図データ配信システム及び地図データ配信方法

Title:

地図データ配信サーバ、地図データ配信システム及び地図データ配信方法

Document Type and Number:

Japanese Patent JP5732340

Kind Code:

B2

Abstract:

A map data distribution server 10 that is connected to a network 40 and distributes map data via the network 40 is provided. The map data distribution server 10 holds first map data and second map data that is of a newer version than the first map data and holds a plurality of update data including an instruction to update the first map data for each of partitions of a given size on a map. The map data distribution server 10 decides whether a predetermined condition is fulfilled upon receiving an update request to update the first map data in a first partition out of the partitions to the second map data from a terminal 20 communicating with the map data distribution server 10 via the network 40, selects one of the plurality of update data relevant to the first partition, based on the result of the decision, and transmits the selected update data to the terminal 20.

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Inventors:

Kiyohiro Ohara
Samurai Yoshinori

Application Number:

JP2011160047A

Publication Date:

June 10, 2015

Filing Date:

July 21, 2011

Export Citation:

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