| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a keyless entry system having enhanced reliability of security without complicated structure. <P>SOLUTION: A keyless entry system 1 comprises: a portable electronic key 3 having an operation switch and a transmitting element which emits a signal wave S composed of visible rays including superimposed command data in response to the operation of the operation switch; and a vehicle 2 which has a receiving element for receiving the signal wave S from the emitting element and allows a door to be locked or unlocked when the receiving element receives the signal wave S including the superimposed command data. <P>COPYRIGHT: (C)2013,JPO&INPIT |
