G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 13/08 (2006.01) B65D 55/00 (2006.01) B65D 77/00 (2006.01)
Patent
CA 2607731
A method and a device for detecting intrusion into or tampering with contents of an enclosure. According to the method at least one gas proof seal-barrier is provided in association with the enclosure and a first environment is produced within said gas proof seal-barrier. Said first environment is different regarding at least one characteristic feature from a second environment surrounding said gas proof seal-barrier. At least one detector is arranged within said gas proof seal-barrier for detecting a predetermined change of the characteristic feature of the said first environment. Said detector is transferred irrevocably from a first state to a second state when there is a predetermined change of the characteristic feature, and the state of the detector is supplied to a position outside said gas proof seal-barrier.
L~invention décrit un procédé et un dispositif de détection de tentative d~intrusion ou de violation du contenu d~une enceinte. Ce procédé fournit au moins une barrière étanche aux gaz avec l'enceinte et un premier milieu est généré dans ladite barrière étanche aux gaz. Ledit premier milieu est différent en ce qui concerne au moins une propriété, d~un second milieu entourant ladite barrière étanche aux gaz. Au moins un détecteur est disposé dans ladite barrière étanche aux gaz, destiné à détecter un changement prédéterminé de la propriété dudit premier milieu. Ledit détecteur passe définitivement d~un premier état à un second état en cas de changement prédéterminé de la propriété, et l~état du détecteur est apparent en un endroit à l~extérieur de ladite barrière étanche aux gaz.
Secure Logistics Sweden Ab
Shapiro Cohen
LandOfFree
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