| 摘要 |
PROBLEM TO BE SOLVED: To confirm easily whether the antitheft device for an automobile was operated in the past or not by the remote control device for an automobile engine. SOLUTION: When an antitheft device 5 is operated by the generation of the situation related to the theft of an automobile, this fact is recorded to a controller 3. After recording this fact, when a second transmitting/receiving set 2 receives any radio signal from a first transmitting/receiving set 1, the radio signal showing such fact that the antitheft device 5 was operated in the past is transmitted from the second transmitting/receiving set 2 toward the first transmitting/receiving set 1. |
