Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2011-08-02
2011-08-02
Tweel, Jr., John A (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C320S107000
Reexamination Certificate
active
07990276
ABSTRACT:
A battery charger comprises a first electrical contact that receives a positive contact of an attached battery pack; a second electrical contact that receives a negative contact of the attached battery pack; a plurality of inter-cell electrical contacts that selectively receive inter-cell contacts of the attached battery pack; a measurement module; and a control module. The inter-cell contacts of the attached battery pack are connected to nodes between cells of the attached battery pack.
REFERENCES:
patent: 3713895 (1973-01-01), Consolloy
patent: 3773561 (1973-11-01), Bjorkman
patent: 4315364 (1982-02-01), Leffingwell
patent: 4482614 (1984-11-01), Zito, Jr.
patent: 5015546 (1991-05-01), Dulaney et al.
patent: 6586909 (2003-07-01), Trepka
patent: 2008/0309286 (2008-12-01), Hoff
Black & Decker Inc.
Harness & Dickey & Pierce P.L.C.
Tweel, Jr. John A
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