| 摘要 |
<p>An alarm unit has a signal device (2) and a release/trigger device (3), in which the signal device and trigger device are correspondingly designed so that separation of the signal device and release device triggers and alarm, in which the signal device and/or trigger device is joined to a package or pack, and each has a fixture outside the pack such that during removal of the pack/package from its mounting, electrical isolation results.</p> |
