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:
Feb. 18, 2014
Filed:
May. 26, 2011
Applicants:
Hsuan-kai Wang, New Taipei, TW;
Nien-hui Kung, Toufen Township, Miaoli County, TW;
Wei-i LI, Tainan, TW;
Inventors:
Hsuan-Kai Wang, New Taipei, TW;
Nien-Hui Kung, Toufen Township, Miaoli County, TW;
Wei-I Li, Tainan, TW;
Assignee:
Richtek Technology Corporation, R.O.C., Chupei, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/04 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses a charger circuit. The charger circuit comprises a control circuit and at least two charging paths. The control circuit determines to activate or inactivate each charging path according to a battery feedback signal representing the charging status. Accordingly, the battery is charged by input power in an optimal way so that the charging efficiency is improved and the overheating problem is solved.