| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To make simply and reliably correctable the time deviation among a number of clocks for vehicles, position detection devices and time displaying devices, applicable to, e.g. a vehicle equipped with a car navigation device and clocks installed in this type of vehicles. <P>SOLUTION: The time of a time displaying device 3 is set based on the present time detected by a position detecting device 2 using satellites. <P>COPYRIGHT: (C)2003,JPO</p> |
