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:
Nov. 27, 2018
Filed:
Apr. 11, 2011
Michael Zimmermann, Heiligkreuz, CH;
Ueli Keller, Uetliburg, CH;
Ian Wilson, Tyne and Wear, GB;
Tridonic AG, Ennenda, CH;
Tridonic UK Ltd., Basingstoke Hampshire, GB;
Abstract
The invention relates to a modular LED lighting unit, comprising a first module () to which an AC supply voltage () can be supplied and which comprises: a second sub-module (B), at the output of which a DC supply voltage () is provided which is galvanically isolated from the AC supply voltage (), and a control unit (G), further comprising a second module () which comprises a further sub-module (C) supplied with the DC supply voltage () of the first module (), in particular a pulsed constant current source, which is controlled by a control unit (E) of the second module (), an LED module (F) which has at least one LED range () and is supplied by the further sub-module (C), inn particular a constant current source, and an emergency light operating circuit which is connected to a rechargeable energy store (ES); and takes over powering the modular LED lighting unit in the event of failure of the AC supply voltage ().