| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a navigation device capable of informing estimated arrival times to the person of opposite party, without having to operate cell phone on the part of drivers. <P>SOLUTION: The navigation device 100 includes a position detecting section 7, an interface 4, a touch panel 62, and a computer 1. The computer 1 includes a watch means time-keeping the present time; an estimated arrival time computing means for computing the estimated arrival time that arrives at a destination with the touch panel 62; a mail production indicating means for making mail production containing a letter that informs the arrival at the estimated arrival time computed to the cell-phone 200 through the interface 4; and a mail transmission indicating means that makes the mail produced transmit to the cell-phone 200. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
