Method and system for providing navigation systems with updated

Details Method and system for providing navigation systems with updated Method and system for providing navigation systems with updated

1997-12-30

2000-09-19

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

701208, 701210, 340995, H04B 7185, G01S 502

Patent

active

06121924&

ABSTRACT:
A system and method for providing updated geographic data for use by a navigation application program. The navigation application program is at a first version level and uses geographic data in a geographic database. An updated geographic database is provided to the navigation application program. The updated geographic database is at a second version level which is later than the first version level. Also provided to the navigation application program are one or more replacement routines. These replacement routines may be stored with the updated geographic database on a computer-readable medium or may be provided separately. The one or more replacement routines are used by the navigation application program either at initialization or during runtime. The one or more replacement routines are called to access or use the data in the updated geographic database. The one or more replacement routines are preferably in an interpretive language and executed by a virtual processor. The virtual processor may be part of the navigation application program. The one or more replacement routines can be used by the navigation application program thereby enabling the navigation application program which is at the first version level to use the updated geographic data which is at second version level.

REFERENCES:
patent: 5367685 (1994-11-01), Gosling
patent: 5944768 (1999-08-01), Ito et al.
patent: 5951620 (1999-09-01), Ahrens et al.

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