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. 24, 2012
Filed:
Jun. 19, 2008
Applicants:
Roger Colbeck, Ottawa, CA;
Paul Demone, Kanata, CA;
Anthony Peter Ernest Reinberger, Nepean, CA;
Inventors:
Assignee:
Power Integrations, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
Power factor correction converter control offset apparatus and methods are disclosed. In one aspect, an apparatus includes a control unit to generate a control signal to control a duty cycle of a PWM (Pulse Width Modulation) switching signal that controls a switch in a PFC (Power Factor Correction) converter. An offset unit is also included and is coupled to the control unit, to generate a variable offset signal to offset the control signal or a signal used by the control unit to generate the control signal.