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:
Oct. 29, 2019
Filed:
Feb. 24, 2016
Tridonic Gmbh & CO KG, Dornbirn, AT;
James Frankland, Barton, GB;
Ian Wilson, Sunderland, GB;
TRIDONIC GMBH & CO KG, Dornbirn, AT;
Abstract
The invention relates to a power supply unit (A) and a method for operating lighting means (). The emergency power supply unit (A) for operating an emergency lighting means (), preferably comprising at least one LED, the emergency power supply unit (A) comprising: an energy storage unit () configured to providing a battery supply voltage (V) in case of a mains voltage loss; a monitoring unit () configured to monitor the battery supply voltage (V) value; and a controlling unit () configured to control the operation of the emergency power supply unit (A) based on the actual battery supply voltage (V) value; wherein in a first operating mode of the emergency power supply unit (A), an emergency light () is switched-on; wherein in a second operating mode of the emergency power supply unit (A), the controlling unit () is non-operative and the emergency light () is switched-off; and wherein in a third operating mode, the battery supply voltage (V) is galvanically isolated from the controlling unit () by a switching means ().