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:
Dec. 27, 2011
Filed:
Feb. 17, 2009
Applicants:
Nien-hui Kung, HsinChu, TW;
Kwan-jen Chu, HsinChu, TW;
Chun-tsung Chen, Taipei, TW;
Tzu-huan Chiu, Zhubei, TW;
Inventors:
Nien-Hui Kung, HsinChu, TW;
Kwan-Jen Chu, HsinChu, TW;
Chun-Tsung Chen, Taipei, TW;
Tzu-Huan Chiu, Zhubei, TW;
Assignee:
Richtek Technology Corporation, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses a dual power switch and a voltage regulator using the dual power switch. The dual power switch comprises a PMOS power switch and an NMOS power switch connected in parallel and operating according to corresponding predetermined conditions, respectively.