Communications: electrical – Digital comparator systems
Patent
1971-07-23
1977-08-09
Hecker, Stuart N.
Communications: electrical
Digital comparator systems
340324R, 364900, 358113, 358302, G11C 1304
Patent
active
040414760
ABSTRACT:
Method, apparatus and product in which a three-dimensional figure is formed in situ in a medium having two active components by causing two radiation beams to intersect in the media. The dissimilar components are selected to respond to the simultaneous presence of the beam and to either react or to produce reactants which render the intersection of the beams physically sensible or distinguishable. The beams trace surface elements of the figure to be produced.
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