G - Physics – 08 – B
Patent
G - Physics
08
B
317/29, 340/124.
G08B 13/24 (2006.01)
Patent
CA 1256487
ABSTRACT OF THE DISCLOSURE A target reactivator for reactivating elongated magnetic targets used in theft detection systems and which have been deactivated by a pattern of spaced apart alternate magnetic fields emanating from a deactivation element of magnetically hard low permeability material lying adjacent and extending continuously along the target and affixed with the target to an object being protected by the target. The reactivator comprises a magnet and a holder supporting the magnet, the holder being configured to be guided along the object in a direction along the length of the target with the poles of the magnet extending along the length of the target whereby the deactivation element becomes subjected to the field of the magnet and the pattern of spaced apart magnetic fields becomes erased by movement of the holder as it is guided along the object.
555984
Cooper Michael N.
Pokalsky Peter A.
Goudreau Gage Dubuc
Knogo Corporation
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