In-vehicle navigation system

Details In-vehicle navigation system In-vehicle navigation system

2009-06-22

2011-12-27

Nguyen, Kim T (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Reexamination Certificate

active

08086395

ABSTRACT:
An in-vehicle navigation system includes a navigation device that further includes a receiving unit configured to receive information, a storage unit configured to store the received information, and a guidance unit. The navigation system further includes: a battery voltage detector; a temperature sensor; and a control device. The control device includes: a determination unit and a start-up control unit configured to periodically start the navigation device while the vehicle's engine is off, or cancel start-up of the navigation device based upon the detected battery voltage, a predetermined voltage level, and current and/or predicted temperatures.

REFERENCES:
patent: 2010/0004853 (2010-01-01), Siereveld et al.
patent: 2001-227963 (2001-08-01), None

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