| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery device of inexpensive and simple configuration capable of easily releasing an idle mode, even if only a positive electrode terminal and a negative electrode terminal are equipped as an external power source terminal. SOLUTION: The battery device comprises a secondary battery which is charged from an external power source, a push button switch that indicates display of charged state of the secondary battery, and a control device equipped with an operation control function that mainly controls charging of the secondary battery and outputting of the power energy charged in the secondary battery. The control device is provided with an idle mode setting function that sets an idle mode in which the operation control function is stopped to suppress power consumption of its own, and an idle mode releasing function that releases the idle mode when operation of the push button switch is detected in the idle mode. COPYRIGHT: (C)2008,JPO&INPIT
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