Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2004-12-29
2009-10-27
Tran, Khoi (Department: 3664)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C701S023000, C701S024000, C701S025000, C701S026000, C701S200000, C701S201000, C701S202000, C701S203000, C701S207000, C701S209000, C701S210000, C701S212000, C340S988000, C340S990000, C340S991000, C340S992000, C340S993000, C340S994000, C340S995100, C340S996000, C342S357490, C707S793000, C707S793000, C707S793000
Reexamination Certificate
active
07610147
ABSTRACT:
A map data processing unit includes a batch update section and dynamic update section. A type of update data fed from an update data input section is decided using header information. If the update data is route search data, the batch update section collectively updates all the map data to latest version map data according to the update data from the update data input section. If the update data is not the route search data, the dynamic update section updates the map data to the latest version map data according to the update data every time the map data becomes necessary. Thus performing the collective or dynamic update according to the type of the update data enables the update to the latest map data without affecting the operation speed of a navigation function, with minimizing the time precluding the use of the navigation function.
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Ikeuchi Tomoya
Mikuriya Makoto
Shimotani Mitsuo
Umezu Masaharu
Birch, Stewart, Kolasch and Birch LLP
Mitsubishi Denki & Kabushiki Kaisha
Peche Jorge O
Tran Khoi
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