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. 24, 2014
Filed:
Aug. 14, 2009
Applicant:
Ronald J. Lenk, Woodstock, GA (US);
Inventor:
Ronald J. Lenk, Woodstock, GA (US);
Assignee:
Switch Bulb Company, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A constant power drive for light emitting diodes, such that there is automatic compensation for variation in forward voltage of the LED, both in a single unit with temperature, and also due to unit-to-unit variations.