
US Patent Application No: 2002/0140,556
Number of patents in Portfolio can not be more than 2000
ELECTRONIC ARTICLE SURVEILLANCE MARKERS FOR OPTICALLY RECORDED MEDIA
Stats
-
Oct 3, 2002
Publication date -
Feb 26, 1999
filing date -
09/258,460
serial no -
Granted
status
Importance
Loading Importance Indicators...
Abstract
An electronic article surveillance marker is disclosed, including a signal producing layer and a signal blocking layer. The signal producing layer includes flux collection portions joined by magnetic switching sections each having a major axis A, and the signal blocking layer comprises signal blocking elements overlying each flux collection portion. The elements each have at least one boundary that overlies a magnetic switching section and preferably has a tangent T that is not perpendicular to the major axis A of that magnetic switching section. Methods of making the inventive marker are also disclosed.
Loading the Abstract Image...
First Claim
Related Publications
Loading Related Publications...
International Classification(s)
- [Classification Symbol]
- [Patents Count]