| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an onboard communication instrument that can integrate functional parts of a remote keyless system and a tire pneumatic pressure monitoring system and can perform switching of functions based on a vehicle condition. <P>SOLUTION: The onboard communication instrument 20 is used in common by a remote keyless system 3 and a tire pneumatic pressure monitoring system 4, and can operate as one functional part among these systems. The onboard communication instrument 20 includes: a vehicle condition determination part 21c which determines an operation state of a shift lever and a parking brake 52; and a control function switching part 21b which performs switching to functions of a tire pneumatic pressure monitoring system 4 when a shift lever and a parking brake 52 are operating according to a traveling condition of the vehicle 2, and performs switching to functions of a remote keyless system 3 when the shift lever and the parking brake 52 are operating according to a stopping condition of the vehicle 2. <P>COPYRIGHT: (C)2012,JPO&INPIT |
