A halftone screen and method for generating halftones representing a continuous tone image, wherein the number of halftone dots per unit area varies non proportionally with the tone values utilized as {HEAD ~ inputs} to {TAIL ~ the screening process} 
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A halftone screen and method for generating halftones representing a continuous tone image , wherein the number of halftone dots per unit area varies non proportionally with the tone values utilized as { HEAD ~ inputs } to { TAIL ~ the screening process }
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