Ink jet printing density controller with programmable angle of t

Details Ink jet printing density controller with programmable angle of t Ink jet printing density controller with programmable angle of t

1991-03-20

1992-06-30

Fuller, Benjamin R.

Recorders

Multifactor-driven recorder element

346140R, 346139R, 395103, G01D 940, G01D 1518

Patent

active

051267543

ABSTRACT:
This invention maintains a selected printed ink drop density in an image recording device such as an X-Y plotter having a cartridge of the type which emits discrete ink droplets onto a recording medium and wherein the cartridge is transported along two axes with respect to the medium. There is sensing apparatus for sensing the two-dimensional velocity vector of the cartridge and control apparatus for regulating the rate at which the cartridge emits the droplets in accordance with the two-dimensional velocity vector. Thus, a given printed dot density on the medium is maintained for different angles of travel of the cartridge.

REFERENCES:
patent: 3968498 (1976-07-01), Uchiyama
patent: 4050075 (1977-09-01), Hertz et al.
patent: 4065775 (1977-12-01), Hou et al.
patent: 4215353 (1980-07-01), Kaieda et al.

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