| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a "navigation device" capable of deleting a plurality of pieces of destination history information which are related to one another, simply and quickly. <P>SOLUTION: A navigation device comprises related history presence determination means 30 for determining, if destination history information corresponding to an arbitrary point is specified by deletion target history specification means 27, whether or not destination history information corresponding to another point having a predetermined relation with the history information of interest is stored in history storage means 14, and history deletion means 28 deletes from the history storage means 14 the destination history information corresponding to the another point and the destination history information corresponding to the arbitrary point if a positive determination result is obtained by the related history presence determination means 30. <P>COPYRIGHT: (C)2012,JPO&INPIT |
