Circuit arrangement for controlling a large number of printing e

Details Circuit arrangement for controlling a large number of printing e Circuit arrangement for controlling a large number of printing e

1981-02-25

1983-07-05

Hix, L. T.

Recorders

Electric recording

Electrochemical

G01D 1506

Patent

active

043921949

ABSTRACT:
A large number of printing electrodes are combined to form groups which each time have a common switching point, each printing electrode of the same ordinal number of each group being connected to a common voltage amplifier. A capacitor (C) is connected between the common switching point (G) of a group and the electrical control element (SK) associated with each printing electrode (BE). All capacitors are simultaneously charged, however, consecutively one group after the other, to the analog voltages which correspond to the information to be printed and which are present on the relevant voltage amplifiers (V). The time required for the charging of all capacitors (C) is less than the printing time for an image element. The circuit arrangement is particularly suitable for an electrophoretic printing method.

REFERENCES:
patent: 2955894 (1960-10-01), Epstein

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