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:
Apr. 14, 2009
Filed:
Dec. 22, 2006
Applicants:
Shui-mu Lin, Taichung, TW;
Nien-hui Kung, Toufen Township, Miaoli County, TW;
Jien-sheng Chen, Toufen Township, Miaoli County, TW;
Tsung-wei Huang, Jubei, TW;
Inventors:
Shui-Mu Lin, Taichung, TW;
Nien-Hui Kung, Toufen Township, Miaoli County, TW;
Jien-Sheng Chen, Toufen Township, Miaoli County, TW;
Tsung-Wei Huang, Jubei, TW;
Assignee:
Richtek Technology Corp., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A low noise multiphase charge pump comprises a plurality of capacitors and a plurality of switches configured as a network, the switches are so switched that the charge pump operates in at least three phases by turns, and the operational durations and the operational currents of the phases are preferably balanced, so as to reduce the noise of the charge pump.