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. 28, 2015
Filed:
Jun. 06, 2011
Applicants:
Cheng-yi LI, Hsinchu Hsien, TW;
Kun-wei Tseng, Hsinchu Hsien, TW;
Yi-wei Wang, Hsinchu Hsien, TW;
Inventors:
Assignee:
MStar Semiconductor, Inc., , TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/06 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0047 (2013.01);
Abstract
Various embodiments of a battery detector are provided. In one aspect, a battery detector of a portable electronic device is applied to a battery module without an identification (ID) terminal. When the portable electronic device receives a direct current (DC) voltage provided by an external transformer to conduct a startup procedure, the battery detector detects whether the battery module is connected to the portable electronic device or not, and prevents the portable electronic device from conducting erroneous operations.