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:
Oct. 02, 2012
Filed:
Oct. 14, 2011
Timo Meri, Riihimäki, FI;
Tommi Loukas, Riihimäki, FI;
Petteri Kangas, Hyvinkää, FI;
Kone Corporation, Helsinki, FI;
Abstract
An arrangement and a method are provided for determining the position of an elevator car in the elevator hoistway. The arrangement includes a measuring apparatus fitted in connection with the elevator car. The measuring apparatus is arranged to form an electromagnetic radio-frequency measuring signal, for determining the position of the elevator car. The arrangement also includes a position identifier fitted in a selected location in relation to the elevator hoistway. The position identifier is arranged to connect inductively to the electromagnetic radio-frequency measuring signal, and also after it has connected to send a determined pulse pattern using the electromagnetic radio-frequency measuring signal.