Determining elevator car position using bi-stable sensors

Determining elevator car position using bi-stable sensors

A system for monitoring elevator car travel includes a plurality of bi-stable sensors (12) traveling with an elevator car (10); a plurality of sense elements (20) positioned along a path of the sensors (12); the sense elements (20) causing the sensors (12) to assume one of a first state and a second...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YAMANE KENSAKU, LEE SUCHEOL, GARFINKEL MICHAEL, THEBEAU RONNIE E, WATTERSON LESLIE C
Format: Patent
Sprache:eng
Schlagworte:
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:A system for monitoring elevator car travel includes a plurality of bi-stable sensors (12) traveling with an elevator car (10); a plurality of sense elements (20) positioned along a path of the sensors (12); the sense elements (20) causing the sensors (12) to assume one of a first state and a second state; wherein states of the sensors (12) define a zone code (30) identifying a zone corresponding to the elevator car (10) position, the zone code (30) being a gray code.