| 摘要 |
<P>PROBLEM TO BE SOLVED: To deal with a plurality of destinations without any burdens on an on-vehicle equipment manufacturer, an automobile manufacturer, and a user. <P>SOLUTION: The navigation device includes a storage device 12 for storing data on a plurality of destinations, a destination determination unit 21 for acquiring destination data and determining a destination based on the acquired destination data, and a data erasure unit 22 for erasing data other than data on the destination determined by the destination determination unit among data on the plurality of destinations stored in the storage device. The data erasure unit 22 erases the data other than the destination data from the storage device 12 based on data indicating whether data erasing processing has been executed. The storage device 12 stores facility data for the plurality of destinations. The data erasure unit 22 erases facility data other than the facility data for the destination determined by the destination determination unit 21 among the facility data on the plurality of destinations stored beforehand in the storage device 12. <P>COPYRIGHT: (C)2012,JPO&INPIT |
