| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an on-vehicle communication instrument capable of switching the function in conformity with a vehicle state, by integrating a function part of a remote keyless system and a tire air pressure monitoring system. <P>SOLUTION: This on-vehicle communication instrument 20 is used in common between the remote keyless system 3 and the tire air pressure monitoring system 4, and can be operated as one function part of these systems. The on-vehicle communication instrument 20 includes a remote engine starter operation state acquiring part 21d for acquiring whether or not a remote engine starter device 26 operates, an ignition state acquiring part 21e for acquiring an ON-OFF state of an ignition, a vehicle state determining part 21c for determining whether or not a vehicle 2 travels based on a remote engine starter operation state and the ON-OFF state of the ignition, and a control function switching part 21b for switching to the remote keyless system 3 when the vehicle 2 is in a stopping state and switching to the tire air pressure monitoring system 4 when the vehicle 2 is in a traveling state. <P>COPYRIGHT: (C)2012,JPO&INPIT |
