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:
Apr. 07, 2015
Filed:
May. 26, 2011
Christian Fasthuber, Wels, AT;
Florian Schuster, Traun, AT;
Gerald Ortner, Linz/Donau, AT;
Michael Sandberger, Linz, AT;
Christian Fasthuber, Wels, AT;
Florian Schuster, Traun, AT;
Gerald Ortner, Linz/Donau, AT;
Michael Sandberger, Linz, AT;
Fronius International GmbH, Pettenbach, AT;
Abstract
The invention relates to a method and an apparatus for performing a switching operation with the aid of a operation element (). In order to avoid mechanical components, at least one light-emitting diode () is used as the operating element (), and the voltage (U) on the at least one light-emitting diode () is measured in the switched-off state, and the switching operation is performed when the measured voltage () falls below a pregiven lower threshold () over a pregiven time period ().