Method of operating and an apparatus using an ink jet recording head having serially connected energy generating means
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United States of America Patent
Stats
-
May 2, 2000
Issued Date -
N/A
app pub date -
Aug 30, 1995
filing date -
Feb 26, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink jet recording head has an energy generating device line constituted by electrically connecting N (N>1) energy generating devices in series. The energy generating devices are disposed to correspond to a plurality of discharge ports for discharging ink and generate discharging energy. The energy generating device line is operated by using substantially N+1 electrodes. The method of operating an ink-jet recording head comprises the steps of: successively selecting the energy generating devices of the energy generating device line; applying voltages of different levels to the two terminals of the selected energy generating device having received an image signal instructing the selected energy generating device to discharge the ink; and applying voltages of the same level to the two ends of the energy generating device which corresponds to the discharge ports which are not to discharge the ink.
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