Ink jet head with nozzle arrangement to reduce viscous drag

Incremental printing of symbolic information – Ink jet – Ejector mechanism

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347 70, 347 94, B41J 2045

Patent

active

055528139

ABSTRACT:
A nozzle arrangement structure in an ink jet print head. A plurality of pressure chambers are arranged in circular form, and a plurality of nozzles receive an ink supply from the corresponding pressure chambers and are arranged in an zig zag arrangement to obtain a small interval between the dots. Two straight lines concerning the zig zag arrangement are inclined against a printing direction and a direction perpendicular to the printing direction. When an ink discharge from the nozzles is controlled, preprocessing of serial data is carried out by hardware.

REFERENCES:
patent: 4312008 (1982-01-01), Taub et al.
patent: 4521788 (1985-06-01), Kimura et al.
patent: 4774529 (1988-09-01), Paranjpe et al.
patent: 5072240 (1991-12-01), Miyazawa et al.
patent: 5157420 (1992-10-01), Naka et al.

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