{HEAD ~ Further circuitry} is coupled to {TAIL ~ the storage circuit} and is in turn couplable to the conductors for detecting a predetermined portion of pulses of electrical energy injected at the proximal end of the conductors 
is coupled to
{ HEAD ~ Further circuitry } is coupled to { TAIL ~ the storage circuit } and is in turn couplable to the conductors for detecting a predetermined portion of pulses of electrical energy injected at the proximal end of the conductors
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH