Navigation system
First Claim
1. A navigation system comprising:
- a storage unit that stores map data managed with links representing smallest road units;
a road map display unit that displays a road map based upon the map data;
a depressed position detection unit that detects a depressed position on the road map on display; and
a route setting unit that extracts a corresponding link corresponding to the depressed position and sets the extracted corresponding link as a route to a destination based upon the map data, wherein;
the route setting unit extracts a link adjacent to the corresponding link and makes a decision as to whether or not the adjacent link can be entered from the corresponding link based upon the map data.
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Accused Products
Abstract
According to the 1st aspect of the invention, a navigation system comprises: a storage unit that stores map data managed with links representing smallest road units; a road map display unit that displays a road map based upon the map data; a depressed position detection unit that detects a depressed position on the road map on display; and a route setting-unit that extracts a corresponding link corresponding to the depressed position and sets the extracted corresponding link as a route to a destination based upon the map data, and the route setting unit extracts a link adjacent to the corresponding link and makes a decision as to whether or not the adjacent link can be entered from the corresponding link based upon the map data.
26 Citations
14 Claims
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1. A navigation system comprising:
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a storage unit that stores map data managed with links representing smallest road units;
a road map display unit that displays a road map based upon the map data;
a depressed position detection unit that detects a depressed position on the road map on display; and
a route setting unit that extracts a corresponding link corresponding to the depressed position and sets the extracted corresponding link as a route to a destination based upon the map data, wherein;
the route setting unit extracts a link adjacent to the corresponding link and makes a decision as to whether or not the adjacent link can be entered from the corresponding link based upon the map data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification