Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2011-07-19
2011-07-19
Nguyen, Lam S (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S058000, C347S009000
Reexamination Certificate
active
07980674
ABSTRACT:
An inkjet printer includes a printhead having a plurality of ink chambers fed be an ink inlet, each ink chamber having a heater element for ejecting drops of ink from a nozzle aperture of each chamber; a plurality of pressure pulse diffusing structure positioned between the plurality of ink chambers fed by the ink inlet, the plurality of pressure pulse diffusing structures for retarding a propagation of pressure waves generated by each ink chamber to adjacent ink chambers; and a controller for receiving print data and generating drive pulses to energize the heater elements in accordance with the print data. The controller increases the drive pulse energy during the printhead lifetime such that the drive pulse energy is never less than that of a preceding drive pulse.
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Crous Frederik Jacobus
Fishburn Jennifer Mia
Foote Roger Mervyn Lloyd
Lunsmann Paul David
Mallinson Samuel George
Nguyen Lam S
Silverbrook Research Pty Ltd
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