Electrical generator or motor structure – Non-dynamoelectric – Charge accumulating
Patent
1997-05-23
1998-03-17
Dougherty, Thomas M.
Electrical generator or motor structure
Non-dynamoelectric
Charge accumulating
250306, 250126, 7386259, 73653, 310316, G01L 110, G01H 900
Patent
active
057290750
ABSTRACT:
A resonant beam or cantilever is implemented in single crystal silicon or polysilicon. Adjacent the end of the cantilever is an electrode capable of receiving a variable voltage. The cantilever has a natural mechanical resonant frequency when vibrated, and the varying electrostatic field resulting from the variation of applied voltage to the electrode is used to alter the natural restoring force of the cantilever so that a chosen vibration frequency of the cantilever can be achieved. Such vibrating cantilever can be used as the bases for a voltage control oscillator.
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Dougherty Thomas M.
Kwok Edward C.
National Semiconductor Corporation
Nguyen Tran N.
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