Double speed dot matrix printhead

Details Double speed dot matrix printhead Double speed dot matrix printhead

B - Operations, Transporting

41

J

101/96.08

B41J 3/04 (1980.01)

Patent

CA 1085677

DOUBLE SPEED DOT MATRIX PRINTHEAD Abstract of the Disclosure A dot matrix printer including a single printhead having two columns of print wires, the wires in one column being used to print only odd numbered dot columns on a record member and the wires in the other column being used to print only even numbered dot columns on the record member. In one embodiment the wire columns are spaced apart a distance equal to an even number multiple of the space between two adjacent dot columns and the wires in each column are then energized alternately as the printhead traverses the dot column positions. In another embodiment the wire columns are spaced apart an odd number multiple of the space between two adjacent dot columns and the wires in each column are then energized simultaneously as the printhead traverses the record member. -1-

286070

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