Printing apparatus and printhead control method

Details Printing apparatus and printhead control method Printing apparatus and printhead control method

2006-05-02

2006-05-02

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S009000, C347S014000, C358S001100

Reexamination Certificate

active

07036899

ABSTRACT:
In a printing apparatus in which printing is performed by a printhead having a plurality of printing elements, each driven by electrical energy, and the number of printing elements driven at the same time is changed depending upon the print data, the timing at which the number of printing elements driven simultaneously increases by a large amount is detected by using M bits of drive data transferred first in serially transferred N bits of drive data, and the electrical energy supplied to the printhead is increased before this timing.

REFERENCES:
patent: 6068360 (2000-05-01), Hiwada
patent: 6382755 (2002-05-01), Imanaka et al.
patent: 6652057 (2003-11-01), Masuda et al.
patent: 2003/0142156 (2003-07-01), Sato
patent: 6-233530 (1994-08-01), None

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