FLEXIBLE MAGNETIC CORE ELECTRONIC MARKER

An electronic marker and method of making an electronic marker for marking obscured articles. The marker includes a core made of flexible, and sometimes high permeability magnetic material and a solenoid disposed around the core. A capacitor is electrically coupled with the solenoid, and the marker...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HAMERLY MICHAEL E, JOYCE, JR. TERRENCE H, DOANY ZIYAD H, EGBERT WILLIAM C, DOWDLE DEAN M
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CALCULATING COMPUTING COUNTING ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HANDLING RECORD CARRIERS HEATING INDUCTANCES JOINTS OR FITTINGS FOR PIPES LIGHTING MAGNETS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PHYSICS PIPES PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSFORMERS WEAPONS
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Beschreibung
Zusammenfassung:	An electronic marker and method of making an electronic marker for marking obscured articles. The marker includes a core made of flexible, and sometimes high permeability magnetic material and a solenoid disposed around the core. A capacitor is electrically coupled with the solenoid, and the marker is tuned to respond to a signal at a characteristic resonant frequency. The marker can attached to a conduit to be buried underground. The marker can further include a radio frequency identification chip.