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:
Feb. 24, 2026
Filed:
Nov. 19, 2020
Otis Elevator Company, Farmington, CT (US);
Helge Krambeck, Berlin, DE;
Peter Herkel, Berlin, DE;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
An safety system () including: a plurality of landing door sensors (), each landing door sensor () being configured to provide a warning signal () when a respective landing door () is open; at least one position sensor () configured to determine a current position () of an elevator car () moving within a hoistway (); an elevator brake () configured to halt the motion of the elevator car (); and a controller () configured to send an emergency stop signal () to the elevator brake (). The controller () is configured to determine whether to send the emergency stop signal () based on: a direction of travel of the elevator car () with respect to the open landing door (); a current speed of the elevator car (); and a distance (D) between the open landing door () and the current position of the elevator car ().