Ink jet printing apparatus with variable character size

Details Ink jet printing apparatus with variable character size Ink jet printing apparatus with variable character size

1980-10-06

1982-06-29

Miller, Jr., George H.

Recorders

Record receiver deforming

346140R, G01D 1518

Patent

active

043374700

ABSTRACT:
A printed dot size is varied by varying a frequency of pressure oscillation applied by a vibratory (18) to ink in an ink ejection head (17), the vibration causing the ink to be ejected from the head (17) and separate into droplets. The variation in ink drop size enables variation of the printed image size by varying an amount of electrostatic deflection of the ink jet and a carriage speed by corresponding amounts.

REFERENCES:
patent: 4016571 (1977-04-01), Yamada
patent: 4068241 (1978-01-01), Yamada
patent: 4087825 (1978-05-01), Chen et al.
patent: 4215350 (1980-07-01), Mielke et al.
patent: 4231048 (1980-10-01), Horike et al.

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