Incremental printing of symbolic information – Ink jet – Controller
Patent
1998-07-24
2000-12-26
Barlow, John
Incremental printing of symbolic information
Ink jet
Controller
B41J 2205
Patent
active
061647489
ABSTRACT:
A liquid discharge method is designed for a liquid jet head provided with first discharge openings, a first liquid flow path conductively connected with each of the first discharge openings, first energy generating devices for generating energy for the discharge of droplets from the first discharge openings, second discharge openings, a second liquid flow path conductively connected with each of the second discharge openings, and second energy generating devices for generating energy for the discharge of droplets from the second discharge openings. Then, preceding the discharge of the first droplet from the discharge opening at a first discharge speed v.sub.1, the second droplet is discharged from the second discharge opening at a second discharge speed v.sub.2 smaller than the first discharge speed, and before each of the liquid droplets being impacted on an object, the first liquid droplet and the second liquid droplet are allowed to collide with each other to be combined. In this way, it becomes possible to allow two droplets to be in contact or to collide with each other reliably to be mixed between the liquid jet head and the object within a range that does not render any hinderance practically even if discharge speeds may fluctuate, hence obtaining precise images in higher quality.
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Ishinaga Hiroyuki
Kaneda Tomoyuki
Kashino Toshio
Sugiyama Hiroyuki
Taneya Yoichi
Barlow John
Canon Kabushiki Kaisha
Stephens Juanita
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