Traffic routing method and apparatus for navigation system to predict travel time and departure time
First Claim
1. A traffic routing method for a navigation system to predict departure and travel times, comprising the following steps of:
- forming a database of traffic incident information which is constituted by current traffic incident data and past traffic incident data;
setting a condition and priority for retrieving the traffic incident information;
retrieving the traffic incident information from the database based on the condition and priority; and
applying the retrieved traffic incident information to a route to a destination and calculating a predicted travel time and a departure time.
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Accused Products
Abstract
A traffic routing method and apparatus for navigation system provides accurate prediction of departure and travel times by using current and past traffic incident information. The traffic routing method includes the steps of forming a database of traffic incident information which is constituted by current traffic incident data and past traffic incident data, setting a condition and priority for retrieving the traffic incident information, retrieving the traffic incident information from the database based on the condition and priority, and applying the retrieved traffic incident information to a route to a destination and calculating a predicted travel time and a departure time.
91 Citations
20 Claims
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1. A traffic routing method for a navigation system to predict departure and travel times, comprising the following steps of:
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forming a database of traffic incident information which is constituted by current traffic incident data and past traffic incident data;
setting a condition and priority for retrieving the traffic incident information;
retrieving the traffic incident information from the database based on the condition and priority; and
applying the retrieved traffic incident information to a route to a destination and calculating a predicted travel time and a departure time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A traffic routing apparatus for a navigation system to predict departure and travel times, comprising:
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means for forming a database of traffic incident information which is constituted by current traffic incident data and past traffic incident data;
means for setting a condition and priority for retrieving the traffic incident information;
means for retrieving the traffic incident information from the database based on the condition and priority; and
means for applying the retrieved traffic incident information to a route to a destination and calculating a predicted travel time and a departure time. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification