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:
Nov. 03, 2015
Filed:
Jan. 30, 2012
Applicants:
Kun-yu Lin, Pingtung County, TW;
Pei-lun Huang, Hsinchu County, TW;
Inventors:
Kun-Yu Lin, Pingtung County, TW;
Pei-Lun Huang, Hsinchu County, TW;
Assignee:
RICHPOWER MICROELECTRONICS CORPORATION, Grand Cayman, British West Indies, KY;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 1/44 (2007.01); H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
H02M 1/44 (2013.01); H02M 3/33507 (2013.01);
Abstract
A jittering frequency control circuit and method for a switching mode power supply enlarge the uttering frequency range of the switching frequency of the switching mode power supply when the switching mode power supplier enters a frequency reduction mode, to improve the electro-magnetic interference of the switching mode power supply operating with the frequency reduction mode.