Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2005-01-18
2005-01-18
Chin, Gary (Department: 3661)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C701S200000, C340S995140, C340S995180
Reexamination Certificate
active
06845319
ABSTRACT:
Of the pieces of facility information of the map information stored in map information storage section6, those that need to be altered are stored in editing information storage section10. Each piece of positional information on a facility in the updating information relating to the facility and specifically describing alterations is linked to a piece of pre-edition information and stored in the editing information storage section10as post-edition information to generate a pair of pieces of editing information. As a destination is selected and input at operation section7, the editing information is retrieved and a piece of pre-edition information or post-edition information containing positional information same as that of the destination is detected. The pre-edition information is replaced by the updating information of the detected post-edition information of the editing information to define the destination and the route of movement. Thus, if the map information is unwritable, alterations to the map information can be made to it by means of editing information so that the user can be provided with appropriate guidance. Thus, the cost of revising the map information can be significantly reduced.
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Armstrong Kratz Quintos Hanson & Brooks, LLP
Chin Gary
Pioneer Corporation
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