Method of operating and an apparatus using an ink jet head havin

Details Method of operating and an apparatus using an ink jet head havin Method of operating and an apparatus using an ink jet head havin

1993-12-15

1995-12-19

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Controller

347 13, B41T 205

Patent

active

054772435

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.

REFERENCES:
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patent: 4345262 (1982-08-01), Shirato et al.
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patent: 4577201 (1986-03-01), Murakami et al.
patent: 4723129 (1988-02-01), Endo et al.
patent: 4740796 (1988-04-01), Endo et al.

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