Invention Grant
- Patent Title: Secondary battery deterioration judging device and backup power supply
- Patent Title (中): 二次电池劣化判断装置和备用电源
-
Application No.: US12516529Application Date: 2007-11-09
-
Publication No.: US08150642B2Publication Date: 2012-04-03
- Inventor: Tadao Kimura , Tatsuhiko Suzuki
- Applicant: Tadao Kimura , Tatsuhiko Suzuki
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2006-336834 20061214
- International Application: PCT/JP2007/071775 WO 20071109
- International Announcement: WO2008/072436 WO 20080619
- Main IPC: G01R31/36
- IPC: G01R31/36
Abstract:
A secondary battery deterioration judging device is provided with an overdischarge detecting section for detecting the overdischarge of a secondary battery, the deterioration of which is to be judged, a computing section for integrating a value indicating the deterioration of the secondary battery while the overdischarge is detected by the overdischarge detecting section, and a judging section for judging a deterioration state of the secondary battery based on an integration value obtained by the computing section.
Public/Granted literature
- US20100030498A1 SECONDARY BATTERY DETERIORATION JUDGING DEVICE AND BACKUP POWER SUPPLY Public/Granted day:2010-02-04
Information query
