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. 01, 2015
Filed:
Apr. 05, 2012
Applicants:
Frank Olivier Roussel, Lucerne, CH;
Lukas Barmet, Emmenbrucke, CH;
Inventors:
Frank Olivier Roussel, Lucerne, CH;
Lukas Barmet, Emmenbrucke, CH;
Assignee:
Inventio AG, Hergiswil, CH;
Primary Examiner:
Int. Cl.
CPC ...
B66B 5/02 (2006.01);
U.S. Cl.
CPC ...
B66B 5/02 (2013.01);
Abstract
An emergency light unit (arranged in an elevator cage) of an elevator installation can be activated. A light sensor unit and a lighting unit are arranged in the elevator cage. The emergency light unit is activated by an elevator control unit in dependence on at least one light intensity value detected by the light sensor unit when the elevator cage door is closed and transmitted to the control unit.