| 摘要 |
PROBLEM TO BE SOLVED: To improve reliability without reading the regularity of a code transmited from a security body even when the code is intercepted at several times. SOLUTION: The keyless entry device is constituted in such a manner that a keyless entry is realized by communicating an ID code and a rolling code between a security body 20 and a remote controller 10. When a random code transmitted from the security body 20 to the remote controller 10 and a random code received from the remote controller 10 by the security body 20 have specified relationship at that time, door lock is released. |
