Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2005-11-15
2010-02-23
Do, An H (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
Reexamination Certificate
active
07665830
ABSTRACT:
A liquid discharge head comprises a base member, a plurality of nozzles which discharge drops of a liquid, a plurality of liquid chambers which communicate with the plurality of nozzles respectively, and a plurality of piezoelectric elements generating a pressure to pressurize the liquid in each of the plurality of liquid chambers. In the liquid discharge head, a plurality of piezoelectric element members in which the plurality of piezoelectric elements are formed with grooves in columns by slot processing are arranged on the base member in rows along a direction of the columns of the plurality of piezoelectric elements.
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Oct. 1, 2008 search report in connection with a counterpart European patent application No. 05 80 4024.
Hashimoto Kenichiroh
Yamaguchi Kiyoshi
Cooper & Dunham LLP
Do An H
Ricoh & Company, Ltd.
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