Piezoelectric transducer drive

Details Piezoelectric transducer drive Piezoelectric transducer drive

1992-12-18

1995-02-28

Wambach, Margaret Rose

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327114, 327172, 327291, 327306, H03K 1756, H03K 512

Patent

active

053940210

ABSTRACT:
Piezoelectric transducer drive apparatus applies varying pulse rates to the terminals of the transducer with the transducer acting as a capacitor and integrating the applied pulses. A conductive path from each transducer terminal remover charge from each terminal. Control of the voltage across the transducer is achieved by individually varying the pulse rates applied to each of the transducer terminals.

REFERENCES:
patent: 4024480 (1977-05-01), Reeder et al.
patent: 4070638 (1978-01-01), Reeder
patent: 4277978 (1981-07-01), Puckette
patent: 4752750 (1988-06-01), Zimmerman et al.
patent: 4915492 (1990-04-01), Toth

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