| 摘要 |
PURPOSE: An automatic navigation upgrade system is provided to easily upgrade navigation through a standard process regardless of a business carrier. CONSTITUTION: A service hub(10) transfers navigation information and map information to a user through the internet. The user connects a service hub through a terminal. The terminal includes a slot unit, a control unit, an input unit, and a display unit. The control unit recognizes map information stored in an external memory card. The control unit sets up an upgrade operation by comparison between the recognized map information and map information stored in a storing unit. [Reference numerals] (AA) Business carrier stage; (BB) Service stage; (CC) User stage; (DD) Service store; (EE) Instructor; (FF) Search and registration; (GG) Navigation producing company
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