Map information delivery server, map information delivery system and method for delivering map information
First Claim
1. A map information delivery server comprising:
- a memory that receives a travel record of a vehicle transmitted from an in-vehicle communication device of the vehicle, and stores the travel record;
an update unit that obtains a new map data from an external information media;
an extraction unit that specifies an updated portion of the new map data; and
a transmitter that transmits a road data to the in-vehicle communication device of the vehicle,wherein the road data is a part of the updated portion of the new map data, and relates to the travel record of the vehicle.
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Accused Products
Abstract
A map information delivery server includes: a memory that receives a travel record of a vehicle transmitted from an in-vehicle communication device of the vehicle, and stores the travel record; an update unit that obtains a new map data from an external information media; an extraction unit that specifies an updated portion of the new map data; and a transmitter that transmits a road data to the in-vehicle communication device of the vehicle. The road data is a part of the updated portion of the new map data, and relates to the travel record of the vehicle. Thus, the server delivers the updated map data without driving on the same road if the vehicle has driven on the road in the past.
18 Citations
7 Claims
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1. A map information delivery server comprising:
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a memory that receives a travel record of a vehicle transmitted from an in-vehicle communication device of the vehicle, and stores the travel record; an update unit that obtains a new map data from an external information media; an extraction unit that specifies an updated portion of the new map data; and a transmitter that transmits a road data to the in-vehicle communication device of the vehicle, wherein the road data is a part of the updated portion of the new map data, and relates to the travel record of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for delivering map information to an in-vehicle communication device of a vehicle comprising:
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receiving a travel record of the vehicle transmitted from the in-vehicle communication device of the vehicle, and storing the travel record; obtaining a new map data from an external information media; specifying an updated portion of the new map data by comparing the new map data with an old map data; and transmitting a road data to the in-vehicle communication device of the vehicle at a time when the new map data is obtained, wherein the road data is a part of the updated portion of the new map data, and wherein the road data provides a data of a road, which is a part of a traveling road of the vehicle or connected to the traveling road of the vehicle.
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Specification