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:
Jan. 27, 2015
Filed:
Aug. 16, 2011
Applicants:
Matthew Thomas Murdock, Nashua, NH (US);
Ulrich B. Goerke, Dover, NH (US);
Inventors:
Matthew Thomas Murdock, Nashua, NH (US);
Ulrich B. Goerke, Dover, NH (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 5/00 (2006.01); H02M 1/42 (2007.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/4225 (2013.01); H02M 2001/0032 (2013.01); Y02B 70/126 (2013.01); Y02B 70/16 (2013.01);
Abstract
Methods and apparatus to improve power factor are disclosed. An example method includes detecting power provided to a power factor corrector; detecting power provided by the power factor corrector; and disabling the power factor corrector from correcting a power factor of a load for at least one period when the power provided by the power factor corrector is below a light-load threshold.