Weight actuated piezoelectric polymeric transducer

Details Weight actuated piezoelectric polymeric transducer Weight actuated piezoelectric polymeric transducer

1975-08-08

1977-09-27

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310330, H01L 4104

Patent

active

040513955

ABSTRACT:
A piezoelectric polymer transducer for converting mechanical energy into electrical energy includes a transducing means formed of a polymeric piezoelectric layer of material that is connected at its ends to a support means in such fashion that it can readily vibrate. The piezoelectric layer is coated on at least an outer portion of each of its planar surfaces with conductive electrodes and a weight is attached to the piezoelectric layer to act as an inertial mass to accentuate bending of such layer in response to movement of the support means.

REFERENCES:
patent: 2808524 (1957-10-01), Feinstein
patent: 3030606 (1962-04-01), Harris
patent: 3241373 (1966-03-01), Ricketts et al.
patent: 3374663 (1968-03-01), Morris
patent: 3832580 (1974-08-01), Yamamuro et al.
Electroacoustic Transducers w/Piezoelectric High Polymer Films, by Tamura et al., JAES, vol. 23, No. 1, Jan./Feb., 1975.

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