Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1988-09-09
1989-09-05
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
G01D 1516, B41J 304
Patent
active
048643270
ABSTRACT:
A printer comprising a plurality of recording electrodes capable of storing ink therein and jetting the ink from the respective front ends thereof, a counterelectrode disposed opposite to the recording electrodes with a recording sheet therebetween, a driving circuit for selectively applying a voltage pulses across the recording electrodes and the counterelectrode, and a pulse waveform control circuit which regulates the waveform of a voltage pulse to be applied to one of the recording electrodes according to the operating conditiion of the rest of the recording electrodes or a voltage control circuit for regulating a voltage to be applied to the recording electrode so that an electric field having a fixed field intensity distribution is formed always between the recording electrode and the counterelectrode. Thus, a fixed quantity of the ink is jetted always for every printing operation from the front end each recording electrode, and thereby characters are formed in a high print quality.
REFERENCES:
patent: 4700204 (1987-10-01), Nakayama
patent: 4706098 (1987-11-01), Nakayama
patent: 4710784 (1987-12-01), Nakayama
patent: 4768044 (1988-08-01), Shimosato
Hartary Joseph W.
Tokyo Electric Co. Ltd.
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