| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an on-vehicle communication apparatus properly realizing the low power consumption of its entire part. <P>SOLUTION: A main control circuit 2 in the on-vehicle communication apparatus 1 quickly shifts from a wakeup state into a sleep state when detecting that the main control circuit 2 receives no FCMC from an on-road apparatus 20 within a prescribed monitor time, that an application of the on-vehicle communication apparatus 1 is not compatible with an AID of the FCMC, and that the on-vehicle communication apparatus 1 does not normally terminate the narrow band wireless communication with the on-road apparatus 20 after the shift from the sleep state into the wakeup state. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
