Ink jet head having dummy pressure chambers and inclined groups

Details Ink jet head having dummy pressure chambers and inclined groups Ink jet head having dummy pressure chambers and inclined groups

1994-06-27

1996-03-12

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 12, 347 40, 347 94, B41J 2045, B41J 2055

Patent

active

054990424

ABSTRACT:
In a piezoelectric type ink jet head, a plurality of pressure chambers are separated into n groups each having dummy pressure chambers at opposite ends. An increased spacing between ejection nozzles resulting from the dummy pressure chambers is compensated for by inclining the nozzle openings within each of the groups. The ink jet head is driven in a time sharing manner.

REFERENCES:
patent: 5359354 (1994-10-01), Hiraishi et al.

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