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:
Sep. 03, 2013
Filed:
Jul. 15, 2010
Xiaojun Zeng, Shanghai, CN;
Falong LI, Shanghai, CN;
Guoxing LI, Sunnyvale, CA (US);
O2Micro, Inc., Santa Clara, CA (US);
Abstract
According to one aspect there is disclosed an apparatus. The apparatus may include a first battery module. The first battery module may include a switch configured to open or close a first current path from a first terminal of a battery to a second terminal of the battery when a second battery module is coupled to the first battery module; a current sensor configured to sense a current in a second current path, the second current path different from the first current path; and a local controller configured to control a state of the switch to open or close the switch, wherein closing the switch is configured to close the first current path, the local controller is further configured to detect the sensed current in the second current path, and the local controller is further configured to receive and store an identifier based at least in part on the current detected in the second current path.