This invention therefore adds {HEAD ~ a second input transducer} to {TAIL ~ the composite transducer} disclosed in the parent application, applicant Ser 
to
This invention therefore adds { HEAD ~ a second input transducer } to { TAIL ~ the composite transducer } disclosed in the parent application , applicant Ser
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH