| 摘要 |
PROBLEM TO BE SOLVED: To provide a storage device for supplying electric power for a drive power source safely and accurately in a short time, without checking the remaining capacity of a battery or performing the replacement work of the battery due to the deterioration with time in the battery for a drive power source, in the storage device having the battery of a storage means. SOLUTION: This storage device includes the battery of the storage means as the power source for supplying electric power, in the storage device and a counter circuit for counting the storage time of the storage mean. The storage device controls the electromagnetic waves of field strength, magnetic field strength, and flux density per unit time transmitted by a power supply unit and charges the storage means by using the electromagnetic waves efficiently in a short time. COPYRIGHT: (C)2008,JPO&INPIT
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