Ink jet head driver

Details Ink jet head driver Ink jet head driver

2007-11-20

2010-10-26

Huffman, Julian D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S010000, C347S011000, C347S014000

Reexamination Certificate

active

07819491

ABSTRACT:
An ink jet head driver including a control section that calculates a first head passing time required for the paper sheet from the leading edge to the tailing edge to pass the ink jet head, drives the piezoelectric element of the ink jet head for a predetermined time to perform precursor microvibration immediately before a leading edge of the paper sheet reaches right under the ink jet head and then drives the piezoelectric element according to the normal pixel data to form the image on the paper sheet when the first head passing time is under the deterioration time of the ink, and drives the piezoelectric element of the ink jet head for a predetermined time to perform precursor microvibration immediately before the leading edge of the paper sheet reaches right under the ink jet head.

REFERENCES:
patent: 6386664 (2002-05-01), Hosono et al.
patent: 11314360 (1999-11-01), None

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