Battery case and secondary battery using the same

Details Battery case and secondary battery using the same Battery case and secondary battery using the same

2011-02-01

2011-02-01

Pham, Toan N (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S636160, C429S149000, C429S151000, C429S163000, C320S107000, C320S112000

Reexamination Certificate

active

07880628

ABSTRACT:
A battery case and a secondary battery incorporating the battery case, comprised of the battery case being provided with a push button of pressure distribution structure in order to prevent a push button mount from being damaged due to the pressure against the push button for checking residual capacity. The secondary battery according to the present invention comprises a bare cell, a circuit which is electrically connected with the bare cell, and calculates the residual capacity of the bare cell, and has a push switch and a light emitting device, a case which receives the bare cell and the circuit and comprises a residual capacity display unit having a fulcrum and a display window respectively at positions corresponding to the push switch and the light emitting device, and a cover film which is attached to an external surface of the residual capacity display unit.

REFERENCES:
patent: 5406266 (1995-04-01), Mino et al.
patent: 5517277 (1996-05-01), Goto et al.
patent: 6078164 (2000-06-01), Park
patent: 6811902 (2004-11-01), Benson et al.
patent: 7638234 (2009-12-01), Naito et al.
patent: 04-022074 (1992-01-01), None
patent: 05-101852 (1993-04-01), None
patent: 10-188735 (1998-01-01), None
patent: 2005-044645 (2005-02-01), None

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