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. 15, 2011
Filed:
Aug. 31, 2009
Applicant:
Pekka Jahkonen, Hyvinkää, FI;
Inventor:
Pekka Jahkonen, Hyvinkää, FI;
Assignee:
Kone Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and a method for monitoring a safety circuit are presented. The system includes a control appliance and the safety circuit comprises at least one serial circuit of two or more switches. The arrangement system also includes a way of measuring the status of at least one switch, as well as a way of conveying the status information of the switch to the control appliance. The method includes measuring the status information of at least one switch and sending the measured status information to the control appliance.