| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an anti-theft alarm device for an automobile. <P>SOLUTION: An alarm and a contact (2) separately making a power source and operated similarly to a contact (1) of a half-shut door alarm circuit of a conventional automobile are provided. The contact (2) is made to a time relay contact so that it becomes opened with a time after it is closed. Nextly, a contact (3) is provided and is made to a remote control operation contact such that the contact (3) also becomes closed if the door is closed by the remote control or the key for the door and the contact (3) also becomes opened if the door is opened by the remote control or the key. The alarm (5) is provided subsequently to the contact (3) and nextly welding-ground (6) is taken. Therefore, if the door is locked by the remote control key, the alarm is operated if the door is opened by duplicate key, picking, destroying the key and breaking glass. Even if the door is immediately closed, the alarm is operated for a set time and even if the alarm is stopped to sound, the alarm is made sound if the door is opened. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
