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:
Jun. 19, 2012
Filed:
Apr. 29, 2009
Applicants:
Erik J. Cegnar, Moscow, ID (US);
Fred Jessup, Moscow, ID (US);
Mike Maughan, Moscow, ID (US);
David G. Alexander, Moscow, ID (US);
Inventors:
Erik J. Cegnar, Moscow, ID (US);
Fred Jessup, Moscow, ID (US);
Mike Maughan, Moscow, ID (US);
David G. Alexander, Moscow, ID (US);
Assignee:
IVUS Industries, LLC, Moscow, ID (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrical circuit and method for driving light emitting diodes with a constant current via a high efficiency DC-DC converter controlled by a digital controller through pulse width modulation (PWM).