| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery pack structure having the thinned wall in the thickness direction in the chargeable flat battery pack structure feeding a power to an electronic device body and reducing the size and the weight. SOLUTION: This flat battery pack structure comprises a flat-shape battery 3, a protection circuit mainly controlling the charging of the battery, and an upper lid 1 and a lower lid 2 incorporating the battery and the protection circuit. This battery pack is formed of a window 6 formed by cutting off a part of the upper lid 1 into a frame shape and a label 5 having a similar figure with the window and being inserted into the window 5. COPYRIGHT: (C)2004,JPO&NCIPI
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