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. 23, 2009
Filed:
Jun. 01, 2006
Vinod A. Lalithambika, Cambridge, GB;
Devarahandi Indika Mahaesh DE Silva, Cambridge, GB;
Jayaraman Kumar, Cambridge, GB;
Gehan Amaratunga, Cambridge, GB;
Vinod A. Lalithambika, Cambridge, GB;
Devarahandi Indika Mahaesh de Silva, Cambridge, GB;
Jayaraman Kumar, Cambridge, GB;
Gehan Amaratunga, Cambridge, GB;
Abstract
This invention relates to switch mode power supply (SMPS) controllers employing primary side sensing. We describe an (SMPS) controller which uses an area correlator to compare an area under a feedback signal waveform between a start point defined by said first timing signal and an end point defined by said second timing signal with a reference area. An output of the area correlator provides an error signal for regulating the SMPS output.