Navigation System, Method and Computer Program Product for the Operation of said Navigation System
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Abstract
Presented is a navigation system that includes a navigation apparatus, a relational database that stores navigation data as individual data records. Each individual record includes at least one respective data packet that represents a dedicated propriety database, at least one respective property of the relevant data packet, and a respective unique identifier of each of the individual data records. The navigation system further includes a database management system that is configured to access the navigation data stored in the relational database. Also presented is a method for operating the navigation system that includes using the database management system to access the navigation data in the relational database in response to an instruction from the navigation apparatus, and using, by the navigation apparatus, at least one prescribed access function to access data in the data packet that represents the dedicated propriety database.
16 Citations
25 Claims
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1-13. -13. (canceled)
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14. A navigation system, comprising:
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a navigation apparatus (NAVI); a relational database storing navigation data as individual data records, each of the data records comprising at least one respective data packet that represents a dedicated propriety database, at least one respective property of the relevant data packet, and a respective unique identifier of the each of the data records; and a database management system configured to access the navigation data stored in the relational database. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A computer-readable medium, tangibly embodying a program of instructions executable by a computer to perform method steps for operating a navigation system, the method steps comprising:
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accessing, by a database management system, navigation data in a relational database in response to an instruction from a navigation apparatus; and using, by the navigation apparatus, at least one prescribed access function to access data in a data packet that represents a dedicated propriety database.
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Specification