Navigation system with licensing function

Details Navigation system with licensing function Navigation system with licensing function

2007-08-21

2007-08-21

Zanelli, Michael J. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C701S213000

Reexamination Certificate

active

11100430

ABSTRACT:
When a navigation system is started for the first time, a time/position information item unique to each navigation system is generated based on a position and time detected for the first time by a GPS receiver of a position detector. This generated time/position information item is stored both in a hard disk of a map data storage device and in an internal memory. When a starting process performed at starting of the system, it is determined whether time/position information items stored in the hard disk and the internal memory accord with each other. When both information items are determined to be according with each other, map data stored in the hard disk is given a license for use.

REFERENCES:
patent: 5887269 (1999-03-01), Brunts et al.
patent: 2002/0017977 (2002-02-01), Wall
patent: 2002/0059532 (2002-05-01), Ata et al.
patent: 2002/0138632 (2002-09-01), Bade et al.
patent: A-11-24781 (1999-01-01), None
patent: A-2002-62142 (2002-02-01), None
IBM Tech. Disc. NN9310199; vol. 36, ISS. 10, pp. 199-200; Oct. 1, 19993.

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