Method and device for monitoring an elevator system

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12139374
APP PUB NO 20200148506A1
SERIAL NO

16680979

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A monitoring device (20, 22), which is configured for monitoring movement of at least one component (6, 12) of an elevator system (2), includes an acceleration sensor (24) and a controller (26). The acceleration sensor (24) is configured for detecting accelerations (g, g′) of the at least one component (6, 12) and providing a corresponding acceleration signal (28, 30). The controller (26) is configured for determining peaks (28a, 28b, 30a, 30b) having positive or negative signs in the detected acceleration signal (28, 30); determining the signs of the detected peaks (28a, 28b, 30a, 30b); and determining that the moving direction of the at least one component (6, 12) has changed when two subsequent peaks (28a, 28b, 30a, 30b) of the acceleration signal (28, 30) having the same sign are detected.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
OTIS ELEVATOR COMPANYONE CARRIER PLACE FARMINGTON CT 06032

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bogli, Craig Drew Avon, US 42 124
Pahlke, Derk Oscar Berlin, DE 44 115
Witczak, Tadeusz Pawel Farmington, US 72 178

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3.5 Year Payment $1600.00 $800.00 $400.00 May 12, 2028
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