Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-12-12
2006-12-12
Meier, Stephen (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
C347S065000, C347S067000
Reexamination Certificate
active
07147297
ABSTRACT:
An ink jet nozzle arrangement for ejecting ink includes a substrate that defines an ink inlet. Integrated circuitry is positioned on the substrate. A nozzle chamber structure is positioned on the substrate and defines a nozzle chamber in fluid communication with the ink inlet and an ink ejection port in fluid communication with the nozzle chamber from which ink is ejected. A paddle is positioned in the nozzle chamber and arranged to move in the nozzle chamber to thereby eject ink from the nozzle. An elongate actuator is connected at one end to the substrate to receive actuating pulses from the integrated circuitry and to the paddle at the other end so that, on receipt of said actuating pulses, the actuator and thus the paddle is moved reciprocally to eject the ink from the ink ejection port. A movement sensor is arranged on the actuator and the substrate to determine one of a degree and a rate of movement of the actuator.
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Meier Stephen
Nguyen Lam S.
Silverbrook Research Lty Ltd
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