Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1994-10-07
1998-07-28
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Ejector mechanism
310330, 310358, B41J 2045
Patent
active
057868336
ABSTRACT:
In a piezo-electric driver for an ink jet recording head, conductive layers are laminated as an active region in a piezo-electric plate except the front and rear end portions thereof to provide front and rear inactive portions, a pressure facilitating front end plate and a vibrator coupling rear end plate are fixedly mounted on the front and rear inactive portions, respectively, and the front end portion of the piezo-electric plate together with the front end plate are cut at predetermined intervals into pieces, namely, piezo-electric units, which depress the vibrating boards of the ink jet recording head wide to cause the parallel displacement of the vibrating boards thereby effectively pressing the ink in the pressure chamber.
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Naka Takahiro
Usui Minoru
Yasukawa Shinji
Dickens Charlene
Fuller Benjamin R.
Seiko Epson Corporation
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