Navigation system
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United States of America Patent
Stats
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Oct 4, 2016
Grant Date -
Jan 28, 2016
app pub date -
Feb 28, 2014
filing date -
Mar 18, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a navigation system capable of, when an emergency situation occurs, immediately distributing, to a mobile terminal that is a client terminal located in a region impacted by the emergency situation, required information according to the terminal position in order of priority. During an emergency situation such as when a disaster or the like occurs, information on the emergency situation is distributed from a server, as a priority, simultaneously to each mobile terminal located in an area that is strongly impacted (for example, areas marked with a circled 1) immediately, regardless of when terminal position information is received from the mobile terminals, and the information on the emergency situation is displayed on a display device of the mobile terminal and a display device of a DA device to which same was distributed.
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