The transducer elements are impressed with {TAIL ~ voltage} through the printed circuit and {HEAD ~ ground electrode} to issue ultrasonic waves 
The transducer elements are impressed with { TAIL ~ voltage } through the printed circuit and { HEAD ~ ground electrode } to issue ultrasonic waves
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH