Map display device and method for displaying map

Details Map display device and method for displaying map Map display device and method for displaying map

2006-08-08

2006-08-08

Jankus, Almis R. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Adjusting level of detail

C345S629000, C701S212000

Reexamination Certificate

active

07088365

ABSTRACT:
In a map display device, a photographic map can be displayed in different modes. When it is determined that the photographic map is displayed in a combined map mode, a road line is displayed on a road of the photographic map at a display scale equal to or smaller than 100 m scales. At a scale larger than 100 m scales, information items that provide road information other than the road line are displayed on the photographic map. Since the road line is not displayed on the photographic map, the information items other than the road line are easily recognized.

REFERENCES:
patent: 5864305 (1999-01-01), Rosenquist
patent: 6725154 (2004-04-01), Kamikawa et al.
patent: A-02-004285 (1990-01-01), None
patent: A-2000-283784 (2000-10-01), None
patent: A-2003-005632 (2003-01-01), None
patent: A-2003-066831 (2003-03-01), None
patent: A-2003-114130 (2003-04-01), None
Office Action issued from Japanese Patent Office issued on Jan. 24 2006 for the corresponding Japanese patent application No. 2003-315696 (a copy and English translation thereof).

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