Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-10-03
2006-10-03
Meier, Stephen (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
Reexamination Certificate
active
07114791
ABSTRACT:
A head driving device of a liquid jetting apparatus includes a driving element, respectively provided corresponding to plural nozzles from which a liquid droplet is jetted, a driving waveform generating circuit, generating a driving waveform to drive the driving element selectively at predetermined jetting timing, a current amplifying circuit, amplifying the driving waveform and a current amplifying element, connected in parallel with an amplifying element of the current amplifying circuit. The current amplifying element is operated when a current value of the current amplifying circuit exceeds a predetermined value.
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Huffman Julian D.
Meier Stephen
Seiko Epson Corporation
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