公开(公告)号：US20220106158A1

公开(公告)日：2022-04-07

申请号：US17400838

申请日：2021-08-12

Applicant: OTIS ELEVATOR COMPANY

Inventor： Ankit Anand Gupta ,  Frank Higgins ,  Sanket Mhadgut

IPC: B66B1/34 ,  G01R33/02

Abstract: A method of monitoring a conveyance apparatus within a conveyance system including: detecting, using a magnetometer, a first magnetic signature within the conveyance system at a first time, the magnetometer being attached to the conveyance apparatus; comparing the first magnetic signature detected to a plurality of magnetic signatures contained in a magnetic signature lookup table, wherein each of the plurality of magnetic signatures in the magnetic signature lookup table are assigned to a specific location along a conveyance path of the conveyance system; and determining a location of the conveyance apparatus at the first time by matching the first magnetic signature to one of the plurality of magnetic signatures.

公开(公告)号：US20200095091A1

公开(公告)日：2020-03-26

申请号：US16578632

申请日：2019-09-23

Applicant: Otis Elevator Company

Inventor： Ankit Anand Gupta ,  Stella M. Oggianu ,  Girisha DJ ,  Arangarajan P ,  Anup Kumar

IPC: B66B5/00 ,  G01V8/12 ,  B66B5/02 ,  B66B1/34 ,  B66B3/00 ,  G08B7/06

Abstract: A method of detecting water within a pit of an elevator shaft including: emitting an electromagnetic wave from an electromagnetic wave source towards a bottom of an elevator shaft; detecting a reflected electromagnetic wave of the electromagnetic wave using an electromagnetic wave detector; and determining whether water is present within the pit of the elevator shaft in response to the reflected electromagnetic wave.