| 摘要 |
PURPOSE:To prevent an erroneous alarm due to half closed door and to reliably detect the half closed door by providing informing means for informing that all openable units are closed and locked, and confirming the both states, and then setting a warning state. CONSTITUTION:Key removal detecting means 51 for detecting the removal of a key from a keyhole, open/closed state detecting means 53 for detecting the open/closed state of an openable unit, and lock detecting means 55 for detecting the fact that the unit is locked without using the key are connected to auto-theft alarm discriminating means 65. Further, the means 53 and the means 55 are also connected to informing means 61. When the means 65 detects the fact that the prescribed opening operation is not executed in the state that the key is removed and any of the units is opened, an alarm of an auto-theft is outputted. Further, when the means 61 detects that the units are all opened and locked, it informs it. |
