The system 1, further comprising circuitry configured to regulate {TAIL ~ current} of {HEAD ~ harnessed energy} 
The system 1 , further comprising circuitry configured to regulate { TAIL ~ current } of { HEAD ~ harnessed energy }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD