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. 15, 2014
Filed:
Aug. 16, 2010
Applicants:
Li-wei Lee, Hsinchu County, TW;
Nien-hui Kung, Hsinchu, TW;
Kwan-jen Chu, Hsinchu, TW;
Ying-hsin Hsing, Taipei, TW;
Inventors:
Li-Wei Lee, Hsinchu County, TW;
Nien-Hui Kung, Hsinchu, TW;
Kwan-Jen Chu, Hsinchu, TW;
Ying-Hsin Hsing, Taipei, TW;
Assignee:
Richtek Technology Corp., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A charger for a portable device includes a USB detector connected to a data pin to detect the effective resistance on the data pin before a USB transceiver is enabled, to identify USB or adapter plug in and control a charging current for a battery accordingly.