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. 22, 2015
Filed:
Aug. 22, 2012
Applicants:
Pranav Raval, Nashua, NH (US);
Gregory Szczeszynski, Hollis, NH (US);
David Toebes, Andover, MA (US);
Inventors:
Pranav Raval, Nashua, NH (US);
Gregory Szczeszynski, Hollis, NH (US);
David Toebes, Andover, MA (US);
Assignee:
Allegro Microsystems, LLC, Worcester, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0818 (2013.01); H05B 33/0827 (2013.01); H05B 33/0851 (2013.01); H05B 33/0863 (2013.01); H05B 33/0866 (2013.01); H05B 33/0872 (2013.01);
Abstract
An electronic circuit for driving a plurality of light emitting diode (LED) channels coupled to a common voltage node includes a priority queue for tracking a dominant LED channel. A queue manager may be provided to keep the priority queue updated during LED drive operations based on operating conditions associated with the LED channels.