ELEVATOR SERVICE PERSON COLLISION PROTECTION SYSTEM

ELEVATOR SERVICE PERSON COLLISION PROTECTION SYSTEM

An elevator car collision protection system (100) comprising: a first antenna (120) configured to be worn by a person (200) entering a hoistway (50); a first trio of transceivers (130a) located a first selected distance away from a first impact wall (52) of the hoistway (50), the first trio of trans...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: DUBE, Randall S
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:An elevator car collision protection system (100) comprising: a first antenna (120) configured to be worn by a person (200) entering a hoistway (50); a first trio of transceivers (130a) located a first selected distance away from a first impact wall (52) of the hoistway (50), the first trio of transceivers (130a) being configured to detect a first clearance between an elevator car (23) within the hoistway and the first trio of transceivers (130a) and a second clearance between the first antenna (120) and the first trio of transceivers (130a); and an alarm (170) configured to activate when a collision risk level exceeds a selected risk level. The collision risk level is determined in response to the first clearance and the second clearance.