Printhead assembly having interconnected controllers
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United States of America Patent
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Dec 4, 2012
Grant Date -
Nov 4, 2010
app pub date -
Jul 13, 2010
filing date -
Apr 12, 2002
priority date (Note) -
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Abstract
A printhead assembly is provided having a support member, a plurality of ejection integrated circuits supported by the support member, and a plurality of controllers mounted on respective printed circuit boards supported by the support member. Each ejection integrated circuit has a plurality of ejection nozzles. Each controller is connected to a plurality of the ejection integrated circuits via individual flexible printed circuit boards and to the other controllers. Each controller is configured to control operation of at least 10,000 of the ejection nozzles of the connected ejection integrated circuits.
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