Product authentication indicia concealed in magnetomechanical EA

Details Product authentication indicia concealed in magnetomechanical EA Product authentication indicia concealed in magnetomechanical EA

1998-09-16

1999-11-09

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

40625, 116 1, 116 4, 116200, 116201, 116DIG1, 3405728, G08B 13187

Patent

active

059822821

ABSTRACT:
A conventional magnetomechanical EAS marker is modified to aid in authenticating an article of merchandise to which the marker is to be applied. The marker includes a housing, a magnetostrictive element in the housing, a bias magnet mounted to the housing, and an authentication element in the housing for indicating the authenticity of the item to which the marker is to be applied. The authentication element may be a printed logo, bar code or character string or a discrete element having distinctive or rare characteristics.

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patent: 5859587 (1999-01-01), Alicot et al.
patent: 5898370 (1999-04-01), Reymond

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