SENSOR WITH THREE CONCURRENT DIRECTIONS OF APPROACH

For locking industrial safety guarding, a sensor includes an inductive coil that generates a second sensing field about a second sensing field axis at a second frequency that detects advancement of a locking bolt. The sensor further includes at least two radio frequency identifier (RFID) coils that...

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Bibliographische Detailangaben
Hauptverfasser:	MALI, Girish S, WOLFE, Timothy P
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES THEREFOR BLASTING CALCULATING COMPUTING COUNTING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HANDCUFFS HANDLING RECORD CARRIERS HEATING KEYS LIGHTING LOCKS MECHANICAL ENGINEERING PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SAFES SAFETY DEVICES IN GENERAL THERMAL INSULATION IN GENERAL WEAPONS WINDOW OR DOOR FITTINGS
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Beschreibung
Zusammenfassung:	For locking industrial safety guarding, a sensor includes an inductive coil that generates a second sensing field about a second sensing field axis at a second frequency that detects advancement of a locking bolt. The sensor further includes at least two radio frequency identifier (RFID) coils that generate a first sensing field at a first frequency that detects an RFID tag. A second RFID coil of the at least two RFID coils has a second polarity reversed from a first polarity a first RFID coil of the at least two RFID coils and reduces the first sensing field at the second sensing field axis.