Ink jet recording apparatus capable of printing in multiple diff

Details Ink jet recording apparatus capable of printing in multiple diff Ink jet recording apparatus capable of printing in multiple diff

1998-01-21

2000-11-21

Barlow, John

Incremental printing of symbolic information

Ink jet

Controller

B41J 2205

Patent

active

061492604

ABSTRACT:
An ink jet printing head that can eject ink droplets forming dot sizes in any of a plurality of differing dot sizes. The plurality of differing dot sizes has a low level range and a high level range. The ink jet printing head has a plurality of small size nozzles and a plurality of large size nozzles. The plurality of small size nozzles eject ink droplets capable of forming a plurality of differing dot sizes in a low level range. The plurality of large size nozzles eject ink droplets capable of forming a plurality of differing dot sizes in a high level range. The change in dot size between adjacent dot sizes of the low level range is different from the change in dot size between adjacent dot sizes of the high level range.

REFERENCES:
patent: 4369455 (1983-01-01), McConica et al.
patent: 4503444 (1985-03-01), Tacklind
patent: 4746935 (1988-05-01), Allen
patent: 5208605 (1993-05-01), Drake
patent: 5412410 (1995-05-01), Rezanka
patent: 5790139 (1998-08-01), Umeno et al.
patent: 5790152 (1998-08-01), Harrington

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