Image forming apparatus with reduced momentary current...

Details Image forming apparatus with reduced momentary current... Image forming apparatus with reduced momentary current...

2006-09-27

2009-12-29

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S011000, C347S019000

Reexamination Certificate

active

07637584

ABSTRACT:
An image forming apparatus with reduced momentary current consumption is provided. The apparatus includes: a plurality of drive waveform generating circuits; a circuit selection device which selectively switches the drive waveform generating circuits for applying the drive signal waveforms to pressure generating elements; a power source which supplies power to the pressure generating elements via the drive waveform generating circuits; and a control device which selects a first drive waveform generating circuit used for driving each of the pressure generating elements, with respect to each of the pressure generating elements, of the plurality of drive waveform generating circuits, in such a manner that no drive waveform generating circuit in which an amount of momentary current consumption exceeds a prescribed tolerable value, of the plurality of drive waveform generating circuits, exists.

REFERENCES:
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patent: 6315379 (2001-11-01), Adams et al.
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patent: 7441853 (2008-10-01), Takata
patent: 2005/0073537 (2005-04-01), Iwao
patent: 2006/0055717 (2006-03-01), Hirota
patent: 2006/0071980 (2006-04-01), Usui
patent: 2006/0187250 (2006-08-01), Takata
patent: 2005-59440 (2005-03-01), None

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