Invention Grant
- Patent Title: Protection circuit
- Patent Title (中): 保护电路
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Application No.: US10598924Application Date: 2005-09-06
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Publication No.: US07679330B2Publication Date: 2010-03-16
- Inventor: Yuji Furuuchi , Kazutaka Furuta , Masami Kawazu
- Applicant: Yuji Furuuchi , Kazutaka Furuta , Masami Kawazu
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: Sony Corporation,Sony Chemical & Information Device Corporation
- Current Assignee: Sony Corporation,Sony Chemical & Information Device Corporation
- Current Assignee Address: JP Tokyo JP Tokyo
- Agency: K&L Gates LLP
- Priority: JPP2004-291756 20041004
- International Application: PCT/JP2005/016281 WO 20050906
- International Announcement: WO2006/038412 WO 20060413
- Main IPC: H02J7/00
- IPC: H02J7/00
Abstract:
A protection circuit is provided, which protects a battery pack from overcurrents and overvoltages using sensing means and a protection device having a heating resistor and a fuse element provided on a circuit board. This protection circuit allows for sharing a protection device regardless of the current rating and the voltage rating of the battery pack, thereby being manufactured at low costs.
Public/Granted literature
- US20070159138A1 Protection circuit Public/Granted day:2007-07-12
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