Electrographic imaging system

Details Electrographic imaging system Electrographic imaging system

1979-10-03

1982-12-28

Swann, III, Glen R.

Recorders

Electric recording

Electrochemical

101DIG13, 3461531, G03G 1544

Patent

active

043664911

ABSTRACT:
An electrographic imaging system for driving a single surface control electrostatic recording head has recording stylus electrodes arranged in groups with respective stylus electrodes of each group connected in parallel and control electrodes arranged adjacent respective groups of stylus electrodes so as to form electrostatic latent images on a dielectric layer of a record medium contacting the recording head. In the electrographic imaging system a first control pulse voltage is applied to selected control electrode adjacent a selected group of stylus electrodes; and then a second control pulse voltage having a different polarity is applied to the control electrode and simultaneously, a recording pulse voltage having the same polarity as the polarity of the first control pulse voltage is applied to the selected respective group of recording stylus electrodes.

REFERENCES:
patent: 3611419 (1971-10-01), Blumenthal
patent: 4192232 (1980-03-01), Kato et al.
patent: 4215355 (1980-07-01), Moore
patent: 4262294 (1981-04-01), Hara et al.
patent: 4271417 (1981-06-01), Blumenthal et al.

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