Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2005-07-26
2008-08-26
Luu, Matthew (Department: 2861)
Incremental printing of symbolic information
Ink jet
Controller
C347S012000
Reexamination Certificate
active
07416268
ABSTRACT:
The drive circuit drives a plurality of piezoelectric elements connected in a matrix connection, each of the piezoelectric elements having a first electrode and a second electrode, and the drive circuit comprises: a drive signal generating device which generates a drive signal with voltage of a single polarity to be applied to the piezoelectric elements; a drive controlling device which controls a timing for applying the drive signal to each of the piezoelectric elements; and a plurality of switching devices which apply the drive signal to the piezoelectric elements according to control of the drive controlling device, a number of the plurality of switching devices being smaller than a number of the plurality of piezoelectric elements, wherein the drive controlling device sequentially applies the drive signal with voltage of the single polarity to the first electrode and the second electrode in succession.
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Birch & Stewart Kolasch & Birch, LLP
Fujifilm Corporation
Luu Matthew
Solomon Lisa M
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