公开(公告)号：US20240101391A1

公开(公告)日：2024-03-28

申请号：US17952872

申请日：2022-09-26

Applicant: OTIS ELEVATOR COMPANY

Inventor： Jayapal Reddy Gireddy ,  Helge Krambeck ,  Xinjin Zheng ,  Yuzhen Xue ,  Koji Kiyomoto ,  Arnaud Blanchard ,  Daigoro Kurokawa ,  Kazuya Yamamura ,  Hideki Arai ,  Terumitsu Saito ,  Hideaki Sasaki ,  Takashi Tanaka ,  Naoto Furuichi

IPC: B66B5/00 ,  B66B1/34 ,  B66B3/00

CPC classification number: B66B5/0062 ,  B66B1/3461 ,  B66B1/3492 ,  B66B3/002 ,  B66B5/0012

Abstract: A system for detecting a presence of a person in a hoistway, having: one or more controllers configured to authenticate the person in the hoistway; the one or more controllers being operationally connected to an elevator car in the hoistway and configured to determine whether the person is within a predetermined distance of the elevator car from a signal emitter on the person; wherein when the person is within the predetermined distance of the elevator car, the one or more controllers is configured to transmit a feedback request to the person and stop the elevator car unless the one or more controllers receives feedback to the feedback request within a predetermined period of time.