Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-05-26
2009-11-17
Nguyen, Lam S (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
C347S011000, C347S017000
Reexamination Certificate
active
07618108
ABSTRACT:
An inkjet recording apparatus including: a recording head movable in a main scanning direction, and including: an ink passage; a nozzle communicated with the passage; and an actuator applying energy to ink in the passage to eject a droplet thereof from the nozzle; a control device outputting a drive waveform signal, while the head is moved in the direction, to drive the actuator, the control device including: a storing portion storing plural kinds of the signals different from one another in the number of the ejected droplets for one dot; and an outputting portion including: a determining portion making at least one of the following determinations, for each particular one of dots printed in series at least in the direction: whether there is a dot printed immediately before the particular dot, and whether there is a dot printed immediately after the particular dot; and a selecting portion selecting one of the kinds of the signals, based on a result of the determination made by the determining portion, and outputting the selected kind of the signal to the actuator; and the selecting portion selecting (i) a first one of the kinds of the signals, when a result of the determination is affirmative, and (ii) a second one of the kinds of the signals, when the result of the determination is negative, the first kind and second king respectively being for ejecting a first number and a second number of the droplet or droplets for the particular dot, the second number being smaller than the first number.
REFERENCES:
patent: 6561610 (2003-05-01), Yamasaki et al.
patent: 6764153 (2004-07-01), Tanaka
patent: 2000103042 (2000-04-01), None
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patent: 2002292848 (2002-10-01), None
patent: 2003237059 (2003-08-01), None
patent: 2003285453 (2003-10-01), None
Baker & Botts L.L.P.
Brother Kogyo Kabushiki Kaisha
Nguyen Lam S
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