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:
May. 15, 2007
Filed:
Apr. 05, 2004
Applicants:
Kenneth C. Shuey, Zebulon, NC (US);
Robert T. Mason, Raleigh, NC (US);
Rodney C. Hemminger, Raleigh, NC (US);
Inventors:
Kenneth C. Shuey, Zebulon, NC (US);
Robert T. Mason, Raleigh, NC (US);
Rodney C. Hemminger, Raleigh, NC (US);
Assignee:
Elster Electricity, LLC, Raleigh, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); G05F 1/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fixed-frequency switching regulator having a noise injection circuit. Noise is injected into the feedback loop of the switching regulator to modify the switching waveform to reduce individual frequency harmonics of the resultant Fourier Series. The reduced frequency harmonics allow the switching regulator to achieve reduced conducted emissions.