Route Guidance System, Route Guidance Server Apparatus and Navigation Terminal Apparatus
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United States of America Patent
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N/A
Issued Date -
Aug 8, 2013
app pub date -
Jan 31, 2013
filing date -
Feb 3, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A navigation terminal apparatus includes: terminal map data; a route search unit that searches for a traveling route, through which a mobile object is to travel, based upon a specific search condition pertaining to a travel cost; and an updating unit that updates route data expressing the traveling route by replacing a first road link group making up a route segment accounting for at least part of the traveling route with a second road link group making up another route segment, with a start point and an end point thereof matching the start point and the end point of the route segment accounting for at least part of the traveling route. The another route segment is included in route information obtained from the external apparatus; and the route data include position reference data pertaining to positions of all road links constituting the traveling route and cost data pertaining to travel costs of all the road links.
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