POWER STORAGE DEVICE AND SEMICONDUCTOR DEVICE PROVIDED WITH THE POWER STORAGE DEVICE
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Abstract
An object is to provide a power storage device provided with a battery that is a power storage means, for safe and accurate supply of electric power in a short period of time for drive power supply voltage without checking remaining capacity of the battery or changing batteries with deterioration over time of the battery for drive power supply voltage. The power storage device is provided with a battery that is a power storage means as a power supply for supplying electric power and a counter circuit for counting charging time of the power storage means. An electromagnetic wave with electric field intensity, magnetic field intensity, and power flux density per unit time which are transmitted from a power feeder are controlled, and the power storage means is efficiently charged using the electromagnetic wave in a short period of time.
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Citations
17 Claims
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1. (canceled)
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2. A semiconductor device comprising:
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a conductive film; a power supply portion operationally connected to the conductive film; a flexible battery with a sheet-like form operationally connected to the power supply portion; and a counter circuit operationally connected to the power supply portion, wherein the counter circuit counts charging time of the flexible battery, and wherein the counter circuit includes flip flop circuits. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
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10. A semiconductor device comprising:
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a conductive film; a rectifier circuit operationally connected to the conductive film; a determination circuit operationally connected to the conductive film; a flexible battery with a sheet-like form; a counter circuit operationally connected to the rectifier circuit and the determination circuit, and wherein the determination circuit determines whether the flexible battery is in a charging state or in a non-charging state in accordance with a signal being input from the conductive film and outputs a signal for switching the charging state and the non-charging state, wherein the counter circuit counts charging time of the flexible battery and outputs the counted time to the determination circuit. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification