{HEAD ~ The present invention} relates to {TAIL ~ systems} for driving piezoelectric actuators and piezoelectric motors and more particularly to the electronic circuitry of such drivers 
relates to
{ HEAD ~ The present invention } relates to { TAIL ~ systems } for driving piezoelectric actuators and piezoelectric motors and more particularly to the electronic circuitry of such drivers
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH