Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1997-11-04
2000-01-25
Le, N.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 41, 347 37, B41J 2145, B41J 215, B41J 2300
Patent
active
06017112&
ABSTRACT:
An ink jet printing apparatus is provided comprising a print cartridge including a heater chip and a nozzle plate coupled to the heater chip. The heater chip has first, second, third and fourth heating elements, and the nozzle plate has a plurality of primary and secondary nozzles. The primary nozzles include first and second nozzles positioned in first and second nozzle plate columns and the secondary nozzles include third and fourth nozzles positioned in third and fourth nozzle plate columns. Each of the nozzles has one of the heating elements associated therewith for generating energy to discharge ink therefrom. The apparatus further includes a driver circuit, electrically coupled to the print cartridge, for applying firing pulses to the heating elements.
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Anderson Frank Edward
Bolash John Philip
Eade Thomas Jon
Steward Lawrence Russell
Daspit Jacqueline M.
Le N.
Lexmark International Inc.
Nguyen Thinh
Showalter Robert L.
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