| 摘要 |
<p>The present invention relates to a method of producing a marking-substance containing ampul and an ampul containing a marking substance and intended for use in a theft-deterrent device for theft-attractive goods. The ampul contains a marking or staining substance and is intended to be arranged in the theft-deterrent device in a manner such as to be broken, crushed or destroyed in some other way and therewith release the marking substance enclosed in the ampul when an improper or unauthorized attempt is made to release the device from the theft-attractive article. According to the invention, the ampul (2) encloses an alarm strip (8) which can be sensed or detected by an electronic alarm system and which is inaccessible unless the ampul (2) is broken, crushed or destroyed in some other way such as to release the marking substance (4). The invention also relates to a theft-deterrent device which includes such an ampul.</p> |
