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