APPARATUS AND METHODS FOR DOOR CURTAIN BREAKAWAY DETECTION

An example apparatus includes a sensor to detect a lateral edge of a door curtain within a guide of a door, and a controller to identify when the door curtain transitions from an operational state to a breakaway state based on a signal from the sensor, the operational state corresponding to when the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Knutson, Perry W, Runde, Charles, Casey, Nicholas J, Pelegrin, James, Saleh, Christopher, Beggs, Ryan P, Sivill, Michael
Format:	Patent
Sprache:	eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES LADDERS
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