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