Circuit arrangement for controlling a large number of printing electrodes for non-mechanical printing
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United States of America Patent
Stats
-
Jul 5, 1983
Grant Date -
N/A
app pub date -
Feb 25, 1981
filing date -
Feb 28, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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