Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1997-03-06
1998-09-01
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310329, 310330, 310339, H01L 4108
Patent
active
058014756
ABSTRACT:
A piezo-electricity generation device without an external power supply unit includes a rectifying means which rectifies an AC voltage generated by the vibration of at least one piezo-electric plate. An accumulating means accumulates an electric charge outputted through the rectifying means. A voltage setting means provides a prespecified voltage. A transmission means transmits substantially all of the electric charge accumulated in the accumulating means to a signal output means when the output voltage of the accumulating means exceeds the prespecified voltage set by the voltage setting means. A timing setting means may also or alternatively be provided for setting a prespecified timing such that the transmission means transmits substantially all of the electric charge stored in the accumulating means at the prespecified timing set by said timing setting means.
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Budd Mark O.
Mitsuteru Kimura
Ricoh Seiki Company, Ltd.
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