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. 16, 2014
Filed:
Apr. 27, 2012
Applicants:
Yike LI, Chengdu, CN;
Xiangyong Xu, Hangzhou, CN;
Inventors:
Yike Li, Chengdu, CN;
Xiangyong Xu, Hangzhou, CN;
Assignee:
Chengdu Monolithic Power Systems, Co., Ltd., Chengdu, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 3/156 (2006.01); H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33507 (2013.01);
Abstract
A controller having an on-time controller, an off-time controller, a switch control signal generator, and a jittering signal generator, wherein the jittering signal generator couples jitter into the on-time or the off-time of a primary switch of the power supply. Therefore the EMI performance may be improved.