Method and apparatus for target deactivation and reactivation in article surveillance systems
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United States of America Patent
Stats
-
May 12, 1987
Grant Date -
N/A
app pub date -
Jul 13, 1983
filing date -
Jul 13, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Targets (14) mounted on objects (12) for detection by a magnetic type theft detection system are deactivated in a target deactivator (26,64) which has magnet assembly (40,72) made up of spaced apart magnets with alternately opposed poles extending in a plane and guide walls (36, 38, 68, 70) extending perpendicular to the plane. Targets are reactivated by a reactivator (46, 76) having a magnet (52, 80) mounted thereon and arranged to be slid along the target.
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Family
International Classification(s)
Cited Art Landscape
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