Electronic article surveillance markers for direct application t

Details Electronic article surveillance markers for direct application t Electronic article surveillance markers for direct application t

1998-09-11

1999-08-17

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

340551, 3405726, 369273, G08B 13187

Patent

active

059399856

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.

REFERENCES:
patent: 3765007 (1973-10-01), Elder
patent: 4709813 (1987-12-01), Wildt
patent: 4746908 (1988-05-01), Montean
patent: 4825197 (1989-04-01), Church et al.
patent: 4829288 (1989-05-01), Eisenbeis
patent: 4967185 (1990-10-01), Montean
patent: 5347508 (1994-09-01), Montbriand et al.
patent: 5580664 (1996-12-01), Tsai
patent: 5699047 (1997-12-01), Tsai et al.
Brochure entitled "3M Tattle-Tape.TM. Detection Strips for Non-print Media" by 3M Library Security Systems 1992.
Brochure entitled "KNOGO North America--Electro Thred Strips".

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