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
Schlagworte:	ACCESSORIES THEREFOR ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CALCULATING COMPUTING COUNTING FIXED CONSTRUCTIONS HANDCUFFS HANDLING RECORD CARRIERS KEYS LOCKS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SAFES TARIFF METERING APPARATUS TESTING 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.