Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-02-24
2009-10-20
Luu, Matthew (Department: 2861)
Incremental printing of symbolic information
Ink jet
Controller
C347S012000
Reexamination Certificate
active
07604311
ABSTRACT:
In a droplet ejection device, a latch circuit acquires discharge data in which a resolution is set up for each resolution section in a transport direction of a recording medium, and sets data elements in each resolution section for respective ones of a plurality of nozzles. An output enable signal generating unit generates an output enable signal periodically at intervals of a different distance. A drive waveform applying unit applies a drive waveform to a common electrode line of piezoelectric elements of the nozzles in synchronization with the output enable signal, the drive waveform having a time to discharge each piezoelectric element gradually. A switching circuit turns on or off a switch based on a logical AND of the output enable signal and the discharge data and grounds an individual electrode of each piezoelectric element.
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patent: 2003/0107611 (2003-06-01), Kim
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Kida Hitoshi
Kobayashi Shin'ya
Yamada Takahiro
Blakely , Sokoloff, Taylor & Zafman LLP
Luu Matthew
Ricoh Printing Systems Ltd.
Seo Justin
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