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:
Sep. 24, 2024
Filed:
Aug. 19, 2021
Tridonic Gmbh & CO KG, Dornbirn, AT;
Ian Wilson, Sunderland, GB;
Tridonic GmbH & Co KG, Dornbirn, AT;
Abstract
An emergency lighting unit for supplying emergency lighting unit, comprising mains supply terminals, at least one first battery module comprising one or more cells in parallel, at least one second battery module comprising one or more cells and being connected in parallel to the at least one first battery module, a preferably common charging circuit for the first and second battery module and connected to the mains supply terminals, and an emergency driver circuit for supplying the emergency lighting unit off terminals of the emergency lighting unit, wherein the charging circuit is configured to charge and maintain the at least one second battery module to a charging voltage of maximum 50%, preferably maximum 30%, of a nominal charging voltage of the at least first battery module.