Navigation system
First Claim
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1. A navigation system comprising:
- map information acquiring means for acquiring map information arranged in a hierarchical structure classified depending on coverage of a road map;
input means for specifying a bypass region to bypass traffic of a vehicle in response to an input operation; and
detour searching means for searching a route that detours the bypass region when the bypass region input by the input means is included within the coverage of the map information belonging to a hierarchy acquired by the map information acquiring means.
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Abstract
A map data reading and processing section acquires map information belonging to a hierarchical structure classified depending on coverage of a road map, a remote controller specifies a bypass region to bypass traffic of a vehicle in response to an input operation, and the route search processing section of a navigating function section searches for a route that detours the bypass region when the bypass region is included within the coverage of the map information belonging to a hierarchy acquired by the map data reading and processing section.
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Citations
5 Claims
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1. A navigation system comprising:
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map information acquiring means for acquiring map information arranged in a hierarchical structure classified depending on coverage of a road map;
input means for specifying a bypass region to bypass traffic of a vehicle in response to an input operation; and
detour searching means for searching a route that detours the bypass region when the bypass region input by the input means is included within the coverage of the map information belonging to a hierarchy acquired by the map information acquiring means. - View Dependent Claims (2, 3, 4, 5)
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Specification