Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1987-01-16
1988-04-19
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
H01L 4108
Patent
active
047392118
ABSTRACT:
A force transducer device adapted to function in a system having electrical means to cause the device to oscillate at its natural resonant frequency and means to monitor said frequency, the device having an intermediate resilient member being capable of mechanically oscillating at a natural resonant frequency, at least two piezoelectric transducers mounted on said resilient member and means for connecting the transducer sheets into said system, is disclosed herein.
REFERENCES:
patent: 3733890 (1973-05-01), Landvogt
patent: 4600855 (1986-07-01), Strachan
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