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.

Date of Patent:
May. 13, 2014

Filed:

Feb. 23, 2011
Applicants:

Beom-gyu Kim, Yongin-si, KR;

Susumu Segawa, Yongin-si, KR;

Eui-jeong Hwang, Yongin-si, KR;

Se-sub Sim, Yongin-si, KR;

Jong-woon Yang, Yongin-si, KR;

Han-seok Yun, Yongin-si, KR;

Jin-wan Kim, Yongin-si, KR;

Inventors:

Beom-Gyu Kim, Yongin-si, KR;

Susumu Segawa, Yongin-si, KR;

Eui-Jeong Hwang, Yongin-si, KR;

Se-Sub Sim, Yongin-si, KR;

Jong-Woon Yang, Yongin-si, KR;

Han-Seok Yun, Yongin-si, KR;

Jin-Wan Kim, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A battery pack, a charger, and a charging system. The battery pack includes a rechargeable battery, and a protection circuit to control charging and discharging of the battery, wherein the protection circuit includes a micom to output an operating state signal representing an operating state of the micom and a malfunction transferring unit to transfer information on whether the battery is malfunctioning based on the operating state signal. Accordingly, when an error is detected by the protection circuit of the battery pack, charging is stopped, and thus the battery pack may be stably charged.


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