MAGNETIC MATERIALS FOR SECURITY APPLICATIONS

A tag or marker is disclosed which comprises a substrate; an 'active' magnetic material which is a soft magnetic material having a high magnetic permeability and a low coercive force; and a deactivating material which is a hard or semi-hard magnetic material having a moderate or high coerc...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	DAVIES, DAFYDD GERAINT
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ALARM SYSTEMS BASIC ELECTRIC ELEMENTS ELECTRICITY INDUCTANCES MAGNETS ORDER TELEGRAPHS PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SIGNALLING SIGNALLING OR CALLING SYSTEMS TRANSFORMERS
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