Piezoelectric driver using resonant energy transfer

Details Piezoelectric driver using resonant energy transfer Piezoelectric driver using resonant energy transfer

1990-08-31

1992-06-30

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307246, 307271, 310321, H03K 301, H03K 507

Patent

active

051265893

ABSTRACT:
A drive circuit for use with a capacitive load includes two transistors controlled by a drive voltage and connected to the load through an inductor. A supply voltage is alternately connected and disconnected to the circuit to achieve a resonant transfer of energy from the supply voltage. Energy stored in the load is transferred to the inductor and then back to the load, thereby reversing and augmenting the output voltage across the load and providing an instantaneous output voltage many times the supply voltage. Diodes ensure that the current flows in the proper polarity through the transistors.

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patent: 4743789 (1988-05-01), Puskas
patent: 4767959 (1988-08-01), Sakakibara et al.
patent: 4947074 (1990-08-01), Suzuki

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