G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 13/24 (2006.01)
Patent
CA 2104333
A desensitizing apparatus (30) for magnetizing a desensitizable marker (38) used with an electromagnetic article surveillance system. The apparatus includes a rectangular, non-metallic plate (50) positioned so that its length is perpendicular to a likely direction of travel (68) of the marker to be magnetized. A row of X- shaped arrays (60) of elongated magnets (52, 54, 56) is embedded on the plate. A marker passing over the row of magnets will be desensitized regardless of its orientation or direction of travel over the magnets.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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