The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 2026
Filed:
Sep. 26, 2022
Otis Elevator Company, Farmington, CT (US);
Jayapal Reddy Gireddy, Hyderabad, IN;
Helge Krambeck, Berlin, DE;
Xinjin Zheng, Hangzhou, CN;
Yuzhen Xue, Novi, MI (US);
Koji Kiyomoto, Tomisato, JP;
Arnaud Blanchard, Adon, FR;
Daigoro Kurokawa, Sakura, JP;
Kazuya Yamamura, Tomisato, JP;
Hideki Arai, Shisui-machi, JP;
Terumitsu Saito, Chiba, JP;
Hideaki Sasaki, Funabashi, JP;
Takashi Tanaka, Narita, JP;
Naoto Furuichi, Narita, JP;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
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.