Electronic article surveillance markers for direct application t

Communications: electrical – Condition responsive indicating system – Specific condition

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340551, 369273, G08B 13187

Patent

active

056990472

ABSTRACT:
An Electronic Article Surveillance (EAS) marker is adapted for direct application to optically recorded media such as compact disks, CD-ROM's, laser disks, digital video disks, and the like. The marker includes a support sheet and one or more marker elements which are positioned such that the mass distribution of the marker is symmetrically disposed about the center of the marker. This ensures that when the marker is properly positioned on the optically recorded media, the marker does not adversely affect the mechanical balance of the media.

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3M Library Security Systems Brochure, "3M Tattle-Tape.TM. Detection Strip for Non-print Media", 1992.
3M Brochure, "3M Tattle-Tape.TM. Security Strips for Non-print Media".
KNOGO North America Inc. Brochure, "Electro Thred Strips".

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