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:
Aug. 21, 2018
Filed:
Apr. 12, 2017
Applicant:
Tridonic Uk Ltd, Chineham Basingstoke, GB;
Inventor:
Ian Wilson, Sunderland, GB;
Assignee:
TRIDONIC UK LTD, Chineham Basingstoke, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 9/00 (2006.01); H05B 33/08 (2006.01); H02J 9/06 (2006.01); H02J 7/02 (2016.01);
U.S. Cl.
CPC ...
H05B 33/0809 (2013.01); H02J 7/02 (2013.01); H02J 9/061 (2013.01); H02J 9/062 (2013.01); Y10T 307/625 (2015.04);
Abstract
A power supply system for illuminating an LED lamp unit, having a normal mode of operation in which a mains input of a driver of the LED lamp unit is supplied by mains power, and an emergency mode of operation, in which the LED lamp unit is supplied by a charge storage device, is disclosed. The system includes an emergency mode converter operable to step-up the voltage from the charge storage device and to supply the mains driver input for illuminating the LED lamp unit.