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:
Nov. 12, 2024
Filed:
Nov. 12, 2019
Otis Elevator Company, Farmington, CT (US);
Derk Oscar Pahlke, Berlin, DE;
Tadeusz Pawel Witczak, Farmington, CT (US);
Craig Drew Bogli, Avon, CT (US);
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
A monitoring device (), which is configured for monitoring movement of at least one component () of an elevator system (), includes an acceleration sensor () and a controller (). The acceleration sensor () is configured for detecting accelerations (g, g') of the at least one component () and providing a corresponding acceleration signal (). The controller () is configured for determining peaks () having positive or negative signs in the detected acceleration signal (); determining the signs of the detected peaks (); and determining that the moving direction of the at least one component () has changed when two subsequent peaks () of the acceleration signal () having the same sign are detected.