Systems, methods and circuits for determining potential...

Details Systems, methods and circuits for determining potential... Systems, methods and circuits for determining potential...

2007-10-10

2010-12-21

Raymond, Edward (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

Reexamination Certificate

active

07856328

ABSTRACT:
Various systems and methods for determining potential battery failure are disclosed. For example, some embodiments of the present invention provide battery systems that include a battery, an embedded processor and a computer readable medium. The computer readable medium includes instructions executable by the embedded processor to measure at least one characteristic of the battery; to calculate a rate of change of internal impedance of the battery based at least in part on the at least one characteristic of the battery; and to determine a potential failure condition based on the rate of change of internal impedance of the battery.

REFERENCES:
patent: 6789026 (2004-09-01), Barsoukov et al.
patent: 6832171 (2004-12-01), Barsoukov et al.
patent: 2005/0017687 (2005-01-01), Nagaoka
patent: 2007/0052424 (2007-03-01), Okumura
patent: 2007-046942 (2007-02-01), None
patent: 2007-071632 (2007-03-01), None
patent: 2006-022073 (2006-03-01), None
U.S. Appl. No. 11/869,793, filed Oct. 10, 2007, Barsoukov et al.

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