Resonant marker for use with radio frequency electronic article surveillance system

Resonant marker for use with radio frequency electronic article surveillance system

A resonant marker for use with an RF electronic article surveillance system, said marker having a resonant circuit combining a flat coil with a condenser, adapted to be mounted on an article so as to be located by a goods monitoring apparatus by radio waves, characterized by setting a portion of sai...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OKADA, SADAO, UMEZAWA, KAZUNORI MINNESOTA MINING & MANUF. CO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ALARM SYSTEMS
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
ORDER TELEGRAPHS
PHYSICS
SEMICONDUCTOR DEVICES
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Beschreibung
Zusammenfassung:A resonant marker for use with an RF electronic article surveillance system, said marker having a resonant circuit combining a flat coil with a condenser, adapted to be mounted on an article so as to be located by a goods monitoring apparatus by radio waves, characterized by setting a portion of said coil almost perpendicularly to the plane including the remainder of the coil.