Ink jet recording head and ink jet recording apparatus

Details Ink jet recording head and ink jet recording apparatus Ink jet recording head and ink jet recording apparatus

2006-11-27

2010-10-12

Nguyen, Thinh H (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S040000, C347S043000

Reexamination Certificate

active

07810895

ABSTRACT:
An ink jet recording head configured to perform recording by discharging at least two types of ink onto a recording medium while scanning the recording medium. The head includes a first discharge port group and a second discharge port group configured to discharge a first ink, and a third discharge port group and a fourth discharge port group configured to discharge a second ink different from the first ink. The fourth discharge port group discharges a smaller amount of ink at a time from a single discharge port than the third discharge port group, the second discharge port group discharges a smaller amount of ink at a time from a single discharge port than the first discharge port group. The fourth discharge port group discharges a smaller amount of ink at a time from a single discharge port than the first discharge port group, and discharges a larger amount of ink at a time from a single discharge port than the second discharge port group.

REFERENCES:
patent: 6665091 (2003-12-01), Saruta
patent: 2002/0196309 (2002-12-01), Murakami et al.
patent: 2000-141714 (2000-05-01), None

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