Magnetic marker having switching section for use in electronic article surveillance systems
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United States of America Patent
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-
Dec 1, 1987
Grant Date -
N/A
app pub date -
Sep 19, 1986
filing date -
Sep 19, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic marker for use with electronic article surveillance systems in which a very high order harmonic response is obtained with postage-stamp sized pieces of high permeability material shaped to have a narrow switching section within which flux is concentrated by larger sections on each end of the switching section, the concentrated flux being sufficient to result in a high harmonic response.
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Cited Art Landscape
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