{TAIL ~ Analog} to digital converter for two dimensional radiant energy array computers in which the converter stage derives a bit array of digital radiant energy signals representative of the amplitudes of an input radiant energy analog signal array and derives {HEAD ~ an output radiant energy analog signal array} to serve as an input to succeeding stages 
{ TAIL ~ Analog } to digital converter for two dimensional radiant energy array computers in which the converter stage derives a bit array of digital radiant energy signals representative of the amplitudes of an input radiant energy analog signal array and derives { HEAD ~ an output radiant energy analog signal array } to serve as an input to succeeding stages
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