It is possible to provide map information beyond a range held in a map information providing apparatus in advance even in an environment in which connection to the mobile communication network is difficult or impossible. A map information providing system S includes a map server 3 that is an external apparatus holding first map information of a relatively wide map range, a portable map transmitting apparatus 2 that downloads third map information within the range of the first map information from the map server 3 and holds the third map information, and a wrist terminal 1 that is a map information providing apparatus for providing a user with map information on the basis of second map information held in the wrist terminal. When there is a request for display of a map exceeding the map range of the second map information held in the wrist terminal 1, the wrist terminal 1 acquires map information of a map range corresponding to the request from the portable map transmitting apparatus 2 by short-range wireless communication without going through the mobile communication network, updates the map information of the wrist terminal 1 itself, and performs map display for the user on the basis of the updated map information.
MAP INFORMATION PROVIDING APPARATUS, PORTABLE MAP TRANSMITTING APPARATUS, MAP INFORMATION PROVIDING SYSTEM, MAP INFORMATION PROVIDING METHOD, AND PROGRAM
28.03.2019
Patent
Elektronische Ressource
Englisch
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