ELECTRIC POWER DEVICE, ELECTRIC POWER GENERATION METHOD, AND PRODUCTION METHOD OF ELECTRIC POWER DEVICE
First Claim
Patent Images
1. An electric power device comprising:
- a resonant portion that is secured at least at one end, receives waves propagating through a space or a medium and resonates;
a piezoelectric element that is formed to connect to said resonant portion, and generates a voltage according to resonance of said resonant portion; and
a first electrode and a second electrode that are formed on opposite surfaces of said piezoelectric element, and output said generated voltage.
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Abstract
There is provided a new self-generating electric power device using a piezoelectric element. An electric power device includes: a resonant portion that is secured at least at one end, receives waves propagating through a space or a medium and resonates; a piezoelectric element that is formed to connect to the resonant portion, and generates a voltage according to resonance of the resonant portion; and a first electrode and a second electrode that are formed on opposite surfaces of the piezoelectric element, and output the generated voltage.
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Citations
10 Claims
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1. An electric power device comprising:
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a resonant portion that is secured at least at one end, receives waves propagating through a space or a medium and resonates; a piezoelectric element that is formed to connect to said resonant portion, and generates a voltage according to resonance of said resonant portion; and a first electrode and a second electrode that are formed on opposite surfaces of said piezoelectric element, and output said generated voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An electric power generation method comprising:
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a resonant portion secured at least at one end receiving waves propagating through a space or a medium and resonates; a piezoelectric element formed to connect to said resonant portion generating a voltage according to resonance of said resonant portion; and a first electrode and a second electrode formed on opposite surfaces of said piezoelectric element outputting said generated voltage.
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10. A production method of an electric power device including:
- a resonant portion that is secured at least at one end, receives waves propagating through a space or a medium and resonates;
a piezoelectric element that is formed to connect to said resonant portion, and generates a voltage according to resonance of said resonant portion; and
a first electrode and a second electrode that are formed on opposite surfaces of said piezoelectric element, and output said generated voltage, the method comprising;forming a semiconductor substrate layer so as to match a shape of a resonant portion secured at least at one end; forming a first electrode layer at least in a region forming said resonant portion on said semiconductor substrate layer; forming a piezoelectric element layer in a region forming said resonant portion on said first electrode layer; forming a second electrode layer in a region forming said resonant portion on said piezoelectric element layer; and forming said semiconductor substrate layer so as to match a shape of a support portion that secures one end of said resonant portion.
- a resonant portion that is secured at least at one end, receives waves propagating through a space or a medium and resonates;
Specification