Map distribution system and terminal device

摘要

The device has a map storing unit and a control information storing unit to store information associated with the map information received by a communication unit (12). An information center (20) transmits latest control information to the device in response to transmitted control information. The device rewrites the stored control information to the latest control information. Independent claims are also included for the following: (a) a computer program product in a terminal device of a map distribution system (b) an updating method of map control information for a terminal device in a map distribution system.