A piezoelectric motor (PEM) is driven with loosely coupled inductors 24 and switching amplifier having a pulse width modulator 18, gate driver circuit 21 and two pairs of power mosfets 210, 212 and 220, 222. Energy stored in the PEM at the end of one cycle is transferred to a capacitor 202 for use in a subsequent cycle.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application claims the benefit of the priority date of U.S. Provisional Patent Application Ser. No. 60/659,546 filed Mar. 8, 2005.
