Driving device for recording head, image recording...

Details Driving device for recording head, image recording... Driving device for recording head, image recording...

2008-03-27

2010-11-09

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S009000

Reexamination Certificate

active

07828402

ABSTRACT:
The driving device of a recording head having a recording element, the driving device includes: a power supply device which supplies voltage to be applied to the recording element; an output circuit block which converts the voltage supplied from the power supply device into a drive voltage having a prescribed waveform, the output circuit block having a structure in which a plurality of drive circuit units are connected in parallel to the recording element; a recording data integration device which determines an integrated value of a number of recording actions of the recording element according to recording data; and a drive circuit unit selection device which selects at least one of the drive circuit units in accordance with the integrated value determined by the recording data integration device, in such a manner that an on-resistance value of the output circuit block is kept within a prescribed value.

REFERENCES:
patent: 2006/0139412 (2006-06-01), Sakurai et al.
patent: 2006-159573 (2006-06-01), None

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