Realtime delivery system for updated map data
First Claim
1. A realtime map data delivery system for delivering updated map data, comprising:
- a map data supplier server which generates, in realtime, map data in a predetermined format every time when the map data is updated;
a map data delivery server which retrieves, in realtime, updated portions of map data and converts the updated map data to an extensible markup language format (updated XML map data) and stores the updated XML map data for delivery; and
a navigation system which stores XML format map data and accesses the map data delivery server through a communication network and downloads the updated XML map data to update the XML format map data.
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Accused Products
Abstract
A realtime map data delivery system delivers the updated map data to navigation systems in an XML format through various communication means. The realtime map data delivery system includes a map data supplier server which generates, in realtime, map data in a predetermined format every time when the map data is updated, a map data delivery server which retrieves, in realtime, updated portions of map data and converts the updated map data to an extensible markup language format (updated XML map data) and stores the updated XML map data for delivery, and a navigation system which has XML format map data and accesses the map data delivery server through a communication network and downloads the updated XML map data to update the XML format map data.
33 Citations
20 Claims
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1. A realtime map data delivery system for delivering updated map data, comprising:
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a map data supplier server which generates, in realtime, map data in a predetermined format every time when the map data is updated; a map data delivery server which retrieves, in realtime, updated portions of map data and converts the updated map data to an extensible markup language format (updated XML map data) and stores the updated XML map data for delivery; and a navigation system which stores XML format map data and accesses the map data delivery server through a communication network and downloads the updated XML map data to update the XML format map data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of delivering map data in realtime, comprising the following steps of:
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generating map data in a predetermined format every time when the map data is updated; retrieving updated portions of map data as soon as the updated map data is generated; converting the updated map data in the predetermined format to an extensible markup language format (updated XML map data); accumulating and storing the updated XML map data for a predetermined period of time; and downloading the updated XML map data through a communication network and installing the updated XML map data in a navigation system. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification