Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-03-30
2009-11-03
Shah, Manish S (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
C347S009000, C347S011000, C347S015000
Reexamination Certificate
active
07611214
ABSTRACT:
A liquid ejecting apparatus includes: a head having a nozzle; a pressure-changing unit for changing pressure of liquid in the nozzle in such a manner that the liquid is ejected from the nozzle; a level-data setting unit for setting a selected level data from a plurality of level data, based on an ejecting data; a driving-signal generator for generating a first driving signal and a second driving signal; and a driving-pulse generator for generating a driving pulse based on the selected level data and the first driving signal and the second driving signal. The first driving signal and the second driving signal are periodical signals having a same period. The first driving signal includes a first large-drop pulse-wave and a third large-drop pulse-wave. The second driving signal includes a second large-drop pulse-wave. The first large-drop pulse-wave, the second large-drop pulse-wave and the third large-drop pulse-wave have a same waveform, and appear in that order at regular intervals.
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Hosono Satoru
Kosugi Yasuhiko
Usui Toshiki
Martin Laura E
Nutter & McClennen & Fish LLP
Penny, Jr. John J.
Seiko Epson Corporation
Shah Manish S
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