Security tag
AssigneeSekura Global IP LLP
InventorsBen PERREAU, David CHRISTIANSON
Life of this patent
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Abstract
A security tag for deterring theft of an article comprises: an activation sensor; a heating element; a power source configured to supply current to the heating element; and an attachment mechanism configured to secure the security tag to said article. The heating element is arranged to cause a permanent and visible change of state of said article upon application of a current to the heating element either by direct application of heat to said article or by releasing a substance from the security tag onto the article.
Claims22
A security tag for deterring theft of an article, the security tag comprising:
- a heating element;
- a power source configured to supply current to the heating element;
- an activation sensor arranged to control the supply of current to the heating element;
- and
- an attachment mechanism configured to secure the security tag to said article,
- wherein, the heating element is arranged to cause a permanent and visible change of state of said article upon application of a current to the heating element either by direct application of heat to said article or by releasing a substance from the security tag onto the article.
A method of permanently marking an article to deter theft of said article, the method comprising:
- providing a security tag attached to said article;
- receiving, by an activation sensor of the security tag, a trigger signal;
- upon receipt of the trigger signal, applying a current to a heating element of the security tag;
- and
- maintaining the heating element in proximity to the article so that upon application of the current to the heating element the heating element is arranged to cause a permanent and visible change of state of said article either by direct application of heat to said article or by releasing a substance from the security tag onto the article.
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Dependencies are inferred from the claim text.