Method of operating a navigation system
First Claim
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1. A method of providing route guidance for traveling from a first segment to a second segment using a geographic database comprising:
- obtaining data from said geographic database that indicates whether a reference to said first segment provides orientation for traveling to said second segment;
if said data indicates said reference provides orientation, providing a phrase of after or a synonym thereof and a name of said first segment;
providing an indication of travel direction to said second segment; and
providing a reference to said second segment.
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Abstract
A method for operating a navigation system is disclosed. An ordered plurality of interconnected segments providing a route from an origin to a destination is obtained. A guidance message for each of the segments is formed. The step of forming the guidance message comprises determining whether to reference a previous segment and adding a reference to a current segment.
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Citations
20 Claims
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1. A method of providing route guidance for traveling from a first segment to a second segment using a geographic database comprising:
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obtaining data from said geographic database that indicates whether a reference to said first segment provides orientation for traveling to said second segment; if said data indicates said reference provides orientation, providing a phrase of after or a synonym thereof and a name of said first segment; providing an indication of travel direction to said second segment; and providing a reference to said second segment. - View Dependent Claims (2, 3, 4, 5)
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6. A method of providing route guidance for traveling from a first segment to a second segment using a geographic database comprising:
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obtaining data from said geographic database that indicates whether to reference a node connecting said first segment to said second segment to provide orientation for traveling to said second segment; if said data indicates to reference said node, providing a phrase of at or a synonym thereof and a name of said node; providing an indication of travel direction to said second segment; and providing a reference to said second segment. - View Dependent Claims (7, 8, 9, 10)
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11. A method of providing route guidance for traveling on a first segment using a geographic database comprising:
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obtaining data from said geographic database that indicates whether to reference a next node to provide orientation for traveling on said first segment, wherein said next node connects said first segment to a next segment; if said data indicates to provide said reference, providing a phrase of toward or a synonym thereof and a name of said next node; and providing a reference to said first segment. - View Dependent Claims (12, 13, 14)
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15. A method of providing route guidance for traveling from a first segment to a second segment comprising:
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providing a phrase of after or a synonym thereof; providing a name of said first segment; providing an indication of a travel direction from said first segment to said second segment; and providing a name of said second segment, wherein said name of said second segment is a name of a geographic feature visible from a junction of said first segment and said second segment. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification