| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a mislaid portable machine detection system capable of being applied to a system such as a keyless operation system, quickly and accurately detecting the portable machine left behind while considering costs, and preventing the machine from being left behind, and a portable machine used for it. <P>SOLUTION: This mislaid portable machine detection system has a communication means 53 communicating with a portable machine 20 by receiving signals transmitted by the portable machine 20 using power of the transmitted signals. When an ignition operation is done, an ignition action is performed if the system can communicate with the portable machine 20 by the communication means 53. At least two getting-off intention detecting means except for a first getting-off intention detecting means detecting an opening of a door 30 has a left detection means 51 for detecting the portable machine 20 left behind in a vehicle 10 under a condition that the getting-off intention is detected and the system can communicate with the portable machine 20 by the communication means 53. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
