Ink jet recorder with attenuation of meniscus vibration in a eje

Details Ink jet recorder with attenuation of meniscus vibration in a eje Ink jet recorder with attenuation of meniscus vibration in a eje

1989-03-27

1990-11-20

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2045

Patent

active

049722115

ABSTRACT:
There is disclosed an ink jet recorder for applying an electrical signal to a piezoelectric element to change a volume of an ink chamber of a record head to discharge an ink droplet from an orifice of a nozzle toward a record medium, comprises a piezoelectric element drive unit for generating a pulse wave as the electrical signal, the pulse wave causing rapid decrease of the volume of the ink chamber to discharge the ink droplet from the orifice, and after a predetermined time t, causing increase of the volume of the ink chamber.

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Drago et al.; Pulse Cancellation in Drop-On-Demand; IBM TDB, vol. 27, No. 6, Nov. 1984, pp. 3266-3267.

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