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. 28, 2008
Filed:
Aug. 16, 2005
Applicants:
Paolo DE Anna, Riese Pio X, IT;
Ugo Francescutti, Ponzano Veneto, IT;
Inventors:
Paolo De Anna, Riese Pio X, IT;
Ugo Francescutti, Ponzano Veneto, IT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An arrangement for supplying a constant current to at least one LED includes a current source () with an output capacitor () connected across the terminals of the current source. An output inductor () is associated with the output capacitor () whereby the current supplied flows through the inductor (). A smoothing resistor () is preferably connected in parallel to the output inductor ().