Navigation device

Details Navigation device Navigation device

2008-05-21

2010-12-28

Pham, Toan N (Department: 2612)

Communications: electrical

Vehicle position indication

Map display

C340S995250, C340S995190, C701S200000

Reexamination Certificate

active

07859434

ABSTRACT:
The present invention provides a navigation device in which the accuracy of placement of a displayed vehicle position mark is improved at an intersection with a small angle. The navigation device weights coefficients of road candidates for consistent matching, in determining the optimal road from a plurality of matching road candidates. Accordingly, a fluctuating display of the vehicle position mark on an incorrect road at an intersection with a small angle is prevented.

REFERENCES:
patent: 5852791 (1998-12-01), Sato et al.
patent: 7071843 (2006-07-01), Hashida et al.
patent: 7363146 (2008-04-01), Yokota
patent: 2005/0071081 (2005-03-01), Hirose et al.
patent: 2001-041754 (2003-02-01), None

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