It is {HEAD ~ an object} of {TAIL ~ the invention} to improve a direct voltage flyback converter of the type initially mentioned 
of
It is { HEAD ~ an object } of { TAIL ~ the invention } to improve a direct voltage flyback converter of the type initially mentioned
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH