REMOTE CONTROL AND MONITORING OF BARRIER OPERATORS WITH RADIO FREQUENCY TRANSCEIVERS

Low cost, low power consumption radio frequency transceivers are incorporated in barrier operator control systems for transmitting signals between an operator control unit, one or more remote control units, a diagnostic or calibration device and an obstruction detector. Similar detector devices, inc...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MURPHY, LARRY D, YACKEY, BRIAN M, CARLSON, GRANT B
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION FIXED CONSTRUCTIONS KEYS LOCKS PHYSICS SAFES SIGNALLING TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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