Driving device for an ink jet print head

Details Driving device for an ink jet print head Driving device for an ink jet print head

1994-10-26

1997-04-29

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 69, B41J 2045

Patent

active

056253958

ABSTRACT:
A dual ink jet head has an actuator formed from a piezoelectric material that has side A and side B formed with a plurality of ink channels in total. To eject ink droplets from the nozzles in both side A and side B of the actuator using a single power source, electrode pairs for selected ink channels in side A are connected to the single power source and the remaining electrode pairs for non-selected ink channels in side A are disconnected from the single power source, and electrode pairs for selected ink channels in side B are disconnected from the single power source and the remaining electrode pairs for non-selected ink channels in side B are connected to the single power source. By so driving the actuator, ink droplets are ejected from the nozzles corresponding to the selected electrode pairs in both side A and side B.

REFERENCES:
patent: 4367480 (1983-01-01), Kotoh
patent: 5252994 (1993-10-01), Narita et al.
Patent Abstracts of Japan, JP 4-182138 (Seiko Epson Corp.), Jun. 29, 1992.

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