Emergency stop system for elevator

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12157657
APP PUB NO 20210163260A1
SERIAL NO

16699019

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Disclosed is an elevator system having: a holding relay configured to energize and deenergize a circuit, the holding relay configured to communicate over a wireless network with a mobile device, wherein the holding relay is configured to: deenergize the circuit responsive to receiving a first signal via the wireless network from the mobile device, indicative of the mobile device being in or near a first architectural location.

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First Claim

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Family

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Patent Owner(s)

Patent OwnerAddress
OTIS ELEVATOR COMPANYONE CARRIER PLACE FARMINGTON CT 06032

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bierer, Andrew S West Hartford, US 1 0
Nanjappan, Ezhil Farmington, US 22 267

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