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:
Mar. 24, 2020
Filed:
Dec. 17, 2018
Kone Corporation, Helsinki, FI;
Ari Jussila, Helsinki, FI;
Toni Hirvonen, Helsinki, FI;
KONE CORPORATION, Helsinki, FI;
Abstract
A safety circuit board for controlling an electromechanical brake and motor controller of a passenger transport installation includes at least one processing unit, a main safety output with an associated relay connected to the at least one processing unit and providing a connection to the electromechanical brake and motor, and a secondary safety output with an associated relay connected to the at least one processing unit and providing a connection to the electromechanical brake and motor. The main safety output and the secondary safety output are configured in parallel enabling control of the electromechanical brake and motor with the at least one processing unit using either of the safety outputs.