Mitsumi Electric Company Ltd.

Tetsu Nishida

Takatoshi Itagaki

Yasuhiro Kinoshita

Noriyuki Wainai

An electronic apparatus includes a secondary battery, a deformation amount detector configured to detect a deformation amount of the secondary battery, a full charge detector configured to detect a full charge of the secondary battery, a stable state detector configured to detect a stable state after a full charge is detected by the full charge detector, and a state determination unit configured to determine a state of the secondary battery using the deformation amount detected by the deformation amount detector when the stable state is detected by the stable state detector.

Electronic apparatus and control method thereof

An electronic apparatus includes a secondary battery; a touch panel; a deformation amount detector configured to detect a deformation amount of the secondary battery; a touch determination unit configured to determine whether the touch panel is in a touch state; and a state determination unit configured to determine a state of the secondary battery using the deformation amount detected by the deformation amount detector when the touch panel is in the non-touch state based on a determination result of the touch determination unit.

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Tokyo, Japan

Tetsu Nishida