Updating routing and traffic flow data and vehicle navigation device
First Claim
1. A method for updating route data stored in a vehicle navigation device, particularly an offboard vehicle navigation device, the route data being updated in response to the occurrence of at least one predetermined event, wherein the method includes the following step:
- a) transmitting route query data to at least one center when at least one predetermined traffic-flow-induced event occurs.
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Abstract
The present invention relates to a method for updating route data stored in a vehicle navigation device, particularly an offboard vehicle navigation device, the route data being updated in response to the occurrence of at least one predetermined event.
According to the present invention, the method includes the following step: Transmitting route query data to at least one center when at least one predetermined, traffic-flow-induced event occurs.
The present invention also relates to a vehicle navigation device and a method for updating traffic-flow data.
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Citations
27 Claims
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1. A method for updating route data stored in a vehicle navigation device, particularly an offboard vehicle navigation device, the route data being updated in response to the occurrence of at least one predetermined event, wherein the method includes the following step:
a) transmitting route query data to at least one center when at least one predetermined traffic-flow-induced event occurs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 25, 26)
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16. A vehicle navigation device, particularly an offboard vehicle navigation device, which is provided to receive and to store route data from a center, wherein it has the following devices:
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means which transmit route query data to at least one center at least in response to the occurrence of at least one predetermined event induced by traffic flow, and means which receive and store updated route data from at least one center as response to the transmitted route query data. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 27)
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Specification