On-board navigation apparatus

Claim 1

An on-board navigation apparatus for setting a destination and displaying navigational information from a present location to the destination on the basis of destination coordinate data representing the set destination and present location coordinate data representing the present location of a vehicle, the apparatus comprising: a memory having a plurality of storage positions for storing the destination coordinate data; reading means for reading out said destination coordinate data stored in said memory at a time of destination setting; means for selecting one piece of destination coordinate data from the read destination coordinate data in accordance with an input instruction to thereby set a destination according to the selected one piece of destination coordinate data; and writing means for, every time a new destination is set by an operator, permanently writing new destination coordinate data representing the new destination at a storage position, said storage position being different from other storage positions where previously selected destination coordinate data is stored, so that said new destination coordinate data can be retrieved at a later time.