Otis Elevator Company

Peter DePaola, Jr

Richard N Fargo

Alan Matthew Finn

Tadeusz Pawel Witczak

Arthur Hsu

Richard J Ericson

Bruce P Swaybill

David Ginsberg

Randall Keith Roberts

Harold Terry

Shashank Krishnamurthy

Randall S Dube

Dang V Nguyen

Matthew Joyce

Yehia F Khalil

Gary L Nuschler

An elevator car travels in a lane () of an elevator shaft (). A linear propulsion system imparts force to the car (). The system includes a first part () mounted in the lane of the shaft and a second part () mounted to the elevator car configured to co-act with the first part to impart movement to the car. Car state sensors (-) are disposed in the lane and determine a state space vector of the car within the lane. A sensed element () on the car is sensed by the plurality of car state sensors when the car is in proximity to the respective car state sensor. A control system () applies an electrical current to at least one of the first part and the second part and the plurality of car state sensors communicate with the control system and the linear propulsion system to provide state space vector data.

Position determining system for multicar ropeless elevator system

An illustrative example elevator system device includes an interface configured to operate in a first mode that allows an elevator passenger to communicate with the elevator system. The elevator passenger may communicate with the elevator system by inputting an indication for desired elevator service or receive an indication regarding elevator service. A magnetically actuated switch selectively causes the interface to operate in a second mode that allows an authorized individual to communicate with the elevator system in a manner that is different than an elevator passenger communication in the first mode. The magnetically activated switch includes at least one magnet and at least one switch contact that changes between an open and closed state based on an interaction between the at least one magnet and a magnetic key brought into proximity of the at least one magnet by the authorized individual.

Elevator system device with authorized access control

A sensor system for a passenger conveyance system includes a multiple of 3D sensors mounted to a movable structure within a vertical shaft and/or a horizontal shaft and a processing module in communication with the multiple of 3D sensors, the processing module operable to identify an obstruction within the horizontal or vertical shaft.

Detection and control system for elevator operations

An exemplary elevator system includes at least one elevator car. An access controller is configured to provide an access credential to a portable wireless communication device responsive to a request from that device indicating a desire for at least access to the elevator system. The access credential at least temporarily indicates that the desired access should be granted. A credential receiver is configured to obtain the provided access credential from the portable wireless communication device. An entry device allows the desired access responsive to the credential receiver obtaining the access credential.

System and method for controlling elevator system access

Growing community of inventors

South Windsor, CT, United States of America

Peter DePaola, Jr