Ink jet printhead module and ink jet printer

Details Ink jet printhead module and ink jet printer Ink jet printhead module and ink jet printer

2010-11-29

2011-10-11

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S012000, C347S057000

Reexamination Certificate

active

08033626

ABSTRACT:
An ink jet printhead module adapted for use in a printing apparatus, the ink jet printhead module being capable of receiving address signals and chip selection signals from a printhead drive unit of the printing apparatus. The printhead module includes chip control circuits, each being capable of receiving the address signals and receiving a corresponding one of the chip selection signals. Each chip control circuit includes switching circuits and an ink jetting circuit set. Each switching circuit is capable of receiving a corresponding one of the address signals and the corresponding one of chip selection signals and outputting a switching signal. An ink jetting circuit set includes ink jetting circuits, each being capable of receiving the switching signal from the corresponding switching circuit electrically coupled to the ink jetting circuit and determining whether or not to jet out ink based on the received switching signal.

REFERENCES:
patent: 7547083 (2009-06-01), Hu et al.
patent: 2002/0118235 (2002-08-01), Narazaki et al.
patent: 2004/0109036 (2004-06-01), Han

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