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. 17, 2012
Filed:
Nov. 05, 2009
Applicants:
Bairen Liu, Hangzhou, CN;
Lei Du, Hangzhou, CN;
Yuancheng Ren, Hangzhou, CN;
Inventors:
Assignee:
Monolithic Power Systems, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 41/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a pulse dimming circuit and a method thereof. The pulse dimming circuit is compatible for both DC input signal and PWM input signal using only one circuit board, and includes a first input port, a second input port, a comparison signal generator, a comparator, a logic module, and a switch network electrically coupled to the second input port, an output terminal of the comparator, and an output terminal of the logic module.