Head driving unit and an image forming apparatus using the same

Details Head driving unit and an image forming apparatus using the same Head driving unit and an image forming apparatus using the same

2005-08-02

2005-08-02

Pham, Hai (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S010000, C347S012000, C347S015000

Reexamination Certificate

active

06923520

ABSTRACT:
A head driving unit the generates a driving waveform, each driving waveform including a plurality of driving pulses, and selects one or more driving pulses to be applied to a liquid drop discharging head in response to data corresponding to an image. By selecting a plurality of selection signals that defines the driving pulses to be applied to the liquid discharging head, the head driving unit can change a recording density or record multiple value images.

REFERENCES:
patent: 6022092 (2000-02-01), Misumi
patent: 6283568 (2001-09-01), Horri et al.
patent: 6517267 (2003-02-01), Otsuki
patent: 0827838 (1998-03-01), None
patent: 671882 (1994-03-01), None

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