{HEAD ~ The preferred embodiment circuit} of FIG 2 combines {TAIL ~ the prior art circuit} of FIG 1 with additional circuitry, involving two falling edge 1 shots 34 and 36, and an SR flip flop 38 
{ HEAD ~ The preferred embodiment circuit } of FIG 2 combines { TAIL ~ the prior art circuit } of FIG 1 with additional circuitry , involving two falling edge 1 shots 34 and 36 , and an SR flip flop 38
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL 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