Finally, FIG 7 shows a schematic for adding {HEAD ~ the present invention} to {TAIL ~ an existing power supply} 
Finally , FIG 7 shows a schematic for adding { HEAD ~ the present invention } to { TAIL ~ an existing power supply }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL