The invention is a phase insensitive ultrasonic transducer connected to {HEAD ~ other circuitry} to form {TAIL ~ an ultrasonic receiver} 
to form
The invention is a phase insensitive ultrasonic transducer connected to { HEAD ~ other circuitry } to form { TAIL ~ an ultrasonic receiver }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL