Micro power supply with integrated charging capability
First Claim
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1. A micro power supply, comprising:
- a microbattery formed within a substrate;
an energy gathering device for capturing energy from a local ambient environment;
an energy transforming device formed within said substrate for converting energy captured by said energy gathering device to electrical charging energy supplied to said microbattery; and
a charge controlling device formed within said substrate for controlling the flow of charging current and output voltage from said energy transforming device to said microbattery.
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Abstract
An integrated micro power supply is disclosed. In an exemplary embodiment, the micro power supply includes a microbattery formed within a substrate and an energy gathering device for capturing energy from a local ambient environment. An energy transforming device is also formed within the substrate for converting energy captured by the energy gathering device to electrical charging energy supplied to the microbattery.
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Citations
17 Claims
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1. A micro power supply, comprising:
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a microbattery formed within a substrate;
an energy gathering device for capturing energy from a local ambient environment;
an energy transforming device formed within said substrate for converting energy captured by said energy gathering device to electrical charging energy supplied to said microbattery; and
a charge controlling device formed within said substrate for controlling the flow of charging current and output voltage from said energy transforming device to said microbattery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An integrated, rechargeable micro power supply for a microelectromechanical system (MEMS), comprising:
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a microbattery formed within a semiconductor substrate;
a solar cell, formed within said substrate, for capturing light energy from a local ambient environment, said solar cell converting said light energy into electrical charging energy to be supplied to said microbattery; and
a charge controlling device, formed within said substrate, for selectively coupling said solar cell to said microbattery. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification