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US 4,382,263 AGranted
Method for ink jet printing where the print rate is increased by simultaneous multiline printing
AssigneeXerox Corporation
InventorsKenneth H. Fischbeck, Edward Forest
Life of this patent
Estimating the term…
Abstract
Electrostatic deflection is used to provide multiline printing from a single pass in an oscillating bar ink jet printer.
Claims6
A method for ink jet printing comprising:
- (a) providing a support member having an axis and a plurality of drop-on-demand ink jets aligned parallel to said axis mounted on said support member for printing a first line on a record-receiving member;
- (b) providing means for oscillating said support member in a printing direction parallel to said axis;
- (c) providing means for electrostatically deflecting preselected single droplets ejected from said ink jets in a direction away from said axis, said preselected single droplets forming a second line of printing parallel to said first line;
- and
- (d) oscillating said support member while droplets are ejected from said ink jets and electrostatically deflecting at least a portion of said droplets in a direction away from said axis to form at least two lines of printing on a record-receiving member.
2 more elements
Dependencies are inferred from the claim text.