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. 12, 2017
Filed:
Nov. 02, 2012
Applicant:
Cree, Inc., Durham, NC (US);
Inventor:
Yuequan Hu, Morrisville, NC (US);
Assignee:
Cree, Inc., Durham, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0818 (2013.01);
Abstract
An apparatus includes a driver circuit configured to control a current through at least one LED responsive to a control signal. The apparatus further includes a modulated oscillator circuit configured to modulate an oscillating signal responsive to a dimming signal and to generate the control signal responsive to the modulated oscillating signal.