Ink ejection control method and apparatus for use with ink jet p

Details Ink ejection control method and apparatus for use with ink jet p Ink ejection control method and apparatus for use with ink jet p

1998-03-03

2000-07-18

Lee, Susan S. Y.

Incremental printing of symbolic information

Ink jet

Controller

310326, B41J 2938, H01L 4104

Patent

active

060896892

ABSTRACT:
A printer includes an inductor connected in a power supply line to piezoelectric elements for ejecting ink. When a drive voltage rises or falls, an undershoot and an overshoot which become large in proportion to the number of the driven piezoelectric elements are caused in a drive current by the inductor. As a result, when the number of the driven piezoelectric elements increases, the drive voltage for driving the piezoelectric elements increases and the pressure applied to the ink increases. Thus, the decrease in the ink ejection speed due to the influence of a crosstalk phenomenon can be avoided, and hence an image formed on a paper becomes more even.

REFERENCES:
patent: 4535346 (1985-08-01), Lichti
patent: 5821953 (1998-10-01), Nakano et al.

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