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. 01, 2016
Filed:
Dec. 01, 2010
Hans Kocher, Udligenswil, CH;
Astrid Sonnenmoser, Ebikon, CH;
David Michel, Thalwil, CH;
Bjarne Lindberg, Adligenswil, CH;
Hans Kocher, Udligenswil, CH;
Astrid Sonnenmoser, Ebikon, CH;
David Michel, Thalwil, CH;
Bjarne Lindberg, Adligenswil, CH;
Inventio AG, Hergiswil, CH;
Abstract
A shaft access enabling device of an elevator system has a shaft access control unit and at least one access monitoring unit, wherein the shaft access control unit controls an operating state of the at least one access monitoring unit and the access monitoring unit monitors at least one shaft access. The shaft access control unit has at least two different operating modes for controlling the operating state of the at least one access monitoring unit and inspects access authorization before changing between the at least two operating modes thereof.