Substitute battery pack including a case to accommodate a smaller battery type with an induction coil to facilitate charging
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United States of America Patent
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May 7, 2013
Grant Date -
Oct 29, 2009
app pub date -
Apr 21, 2009
filing date -
Apr 24, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A battery pack, instead of size AA batteries, is loaded in a battery storage compartment of an electronic device. The battery pack includes a battery casing, a plurality of size AAA batteries, a battery holder, a circuit board, and an induction coil electromagnetically connected to a primary coil of a battery charger cradle. The size AAA batteries are accommodated in the battery casing in a spaced-apart manner where a distance between longitudinal axes of the size AAA batteries is larger than a distance between longitudinal axes of the size AA batteries loaded in the battery storage compartment, and a storage space is defined between the adjacent size AAA batteries. With an electronic component, mounted on the circuit board, being disposed in the storage space, the battery pack accommodates the size AAA batteries, the battery holder, the circuit board, and the induction coil in a mutually layered state in the battery casing.
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