Recording apparatus in which pressure interference between close

Details Recording apparatus in which pressure interference between close Recording apparatus in which pressure interference between close

1994-03-31

1999-06-01

Bobb, Alrick

Incremental printing of symbolic information

Ink jet

Controller

347 14, 347 43, B41J 205

Patent

active

059092297

ABSTRACT:
There is provided an ink jet recording apparatus such as a bubble jet recording apparatus, comprising: an ink jet recording head in which a plurality of groups each consisting of a plurality of emission ports which are simultaneously driven are continuously arranged; a detector to detect an edge of an input image; and a second driver for sequentially changing the driving order of the groups or sequentially driving the groups which are not neighboring in accordance with the result of the edge detection by the detector. The recording head causes a volume change by an action of a heat energy which is generated from a recording element such as an electrothermal converting element or a thermal resistor element by supplying a pulse-shaped current thereto, thereby emitting an ink droplet from each opening. The recording apparatus uses a plurality of recording elements which are divided into a plurality of blocks and are driven at different timings for every block.

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