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:
Dec. 27, 2022
Filed:
Nov. 21, 2019
Otis Elevator Company, Farmington, CT (US);
Peter Herkel, Berlin, DE;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
An elevator safety system () for an elevator system () with a self-diagnostic functionality includes at least two safety channels (), wherein each safety channel () is configured for supplying a safety signal () in case a safety issue has been detected. The elevator safety system () comprises a self-diagnostic evaluator (), which is configured for receiving any safety signals () supplied via the safety channels (); starting a timer () for measuring a predetermined period of time in case a safety signal () is supplied on one of the safety channels (); and stopping any further operation of the elevator system () in case the received signal () is still supplied after the predetermined period of time has expired.