Printhead, head cartridge having the printhead, printing...

Details Printhead, head cartridge having the printhead, printing... Printhead, head cartridge having the printhead, printing...

2001-07-12

2008-01-22

Moore, David (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Plural marking means

C358S001800, C358S001170

Reexamination Certificate

active

07321444

ABSTRACT:
In a printhead in which a plurality of printing elements arranged in a predetermined direction and a driving circuit for driving the printing elements are formed on a single substrate, the printing elements are classified into a plurality of groups. A selection circuit for selecting a printing element to be driven in each group, and data supply circuits for supplying driving data to the driving circuit for driving each printing element through any of a plurality of paths are arranged on the substrate. This realizes high-speed operation while suppressing increases in wiring length and substrate area even upon an increase in the number of printing elements and reducing the cost and generation of malfunctions.

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Patent Abstracts of Japan, vol. 1995 No. 02, Mar. 31, 1995, JP 06 305148 A, Nov. 1, 1994, Abstract.

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