| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide, in a smart system of polling scheme, a control system that can reduce possibility of battery run-out caused by the smart system, by eliminating necessity for full-time transmission of an LF radio wave. <P>SOLUTION: The system does not cause an LF transmission 41 to operate in full-time, causes it to operate upon detection of a biological body existing around a vehicle 2 by an infrared ray sensor 40, and starts transmission of a command signal to command returning an identification signal (ID) toward a key 3. A verification ECU 4 allows release of a door lock 51 if the returned identification signal and a master ID are verified and the verification is successful. <P>COPYRIGHT: (C)2012,JPO&INPIT |
