Apparatus and method for driving a print head

Details Apparatus and method for driving a print head Apparatus and method for driving a print head

G - Physics

06

F

342/29.1

G06F 3/12 (2006.01)

Patent

CA 1129051

45 SL 01313 APPARATUS AND METHOD FOR DRIVING A PRINTER HEAD ABSTRACT OF THE DISCLOSURE Coincident current windings on a magnetic print head are driven in a special sequence to minimize undesired spurious printing effects otherwise caused by undesirable concentrations of magmetic flux. Rather than energizing all digit windings (in accordance with supplied data values) for each successive energization of word winding, the digit windings are driven in multiple sub-sets or groups. Only one such sub-set is energized at any given time and the members of each sub-set are chosen to minimize spurious magnetic flux distributions for any given magnetic printing head configuration.

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