| 摘要 |
The invention concerns a theft deterrent device ( 1 ), such as a tag, which is attachable to an article ( 3 ), to indicate the unauthorized removal of the article from a given area such as a retail establishment, said device comprising: at least one fluid ( 5 )-containing member; a active staining substance ( 5 ) to be contained in said fluid-containing member; a housing ( 4 ) which encloses said fluid-containing member; means ( 6 ) for attaching the housing to the articles to be protected; means ( 7 ) for releasing the fluid from the fluid-containing member in response to unauthorised removal of the article, wherein the active staining substance in the fluid-containing member is a malodorous substance, and that said active substance subsequent to having impacted the article with the malodorous odour is capable of being neutralised by a corresponding counter substance. By a theft deterrent device according to the invention, there is provided an anti theft technology which contains the possibility for recycling the articles as a sales object again by neutralising the active substance if the articles are found again.
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