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:
Oct. 26, 2010
Filed:
Jul. 23, 2008
Applicants:
Cheng-chung Yeh, Taipei, TW;
Han-chao Chen, Hsinchu, TW;
Inventors:
Cheng-Chung Yeh, Taipei, TW;
Han-Chao Chen, Hsinchu, TW;
Assignee:
Sitronix Technology Corp., Jhupei, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/10 (2006.01); G05F 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a charge pump, which uses a chopper circuit or a clamp circuit coupled between a pump capacitor and an output capacitor for preventing a parasitic transistor produced by a switching mechanism from turning on. Thereby, the performance of the charge pump is improved effectively.