Otis Elevator Company

Thomas Malone

Jacek F Gieras

Michael J Tracey

Joseph Zacchio

Pei-Yuan Peng

Bryan Robert Siewert

Muhidin A Lelic

Xiaodong Luo

Mark E Renzulli

An elevator door lock assembly () includes a sensor device () for providing an indication of a properly locked door. A plurality of proximity sensor elements () interact with activating elements () when the door lock assembly () is properly locked. In disclosed examples, a specific geometric pattern of the sensor elements () and the activating elements () provides redundancy and tampering protection. In a disclosed example, an output from the sensor device () provides an indication of a condition of the door lock and a building level location of a plurality of sensor devices.

Elevator door lock sensor device including proximity sensor elements in a selected geometric pattern

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Avon, CT, United States of America

Thomas Malone