| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a keyless entry device using a plurality of electronic keys, capable of improving safety on a theft and convenience in use. <P>SOLUTION: This keyless entry device has car inside transmission means 40A and 40B, car outside transmission means 36A and 36B, a receiving means 45, a control part 50 and a door lock control mechanism 22, and has a car inside-outside portable machine position detecting processing for determining a position of a plurality of portable machines 10A to 10D by discriminating its identification signal by the control part 50 when receiving the predetermined identification signal different with respective portable machines 10A to 10D by the receiving means 45 by successively transmitting a different request signal with respective plural portable machines 10A to 10D from the car outside transmission means 36A and 36B and the car inside transmission means 40A and 40B. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
