| http://www.w3.org/ns/prov#value | - FIG. 11 is a graph of the optimized printing density characteristics (1) when the pulse width is the total of the primary current flow intervals of the thermal printer drive control apparatus of this invention, as earlier described, (2) when all of the secondary current flow intervals are standard pulse width, TW, and (3) when a serial type thermal print head is employed as the thermal printer.
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