US Patent 7631954 Delivery pressure compensation methods and apparatuses
Patent 7631954 was granted and assigned to Lexmark International, Inc. on December, 2009 by the United States Patent and Trademark Office.
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Patent abstract
Methods and apparatuses for compensating for changes in delivery pressure and protection of a printhead against increased ink flow resistance caused by air trapped in the felt or foam are described. In an exemplary embodiment, ink ejection flow rates are adjusted to keep delivery pressures safely at or below the maximum sustainable delivery pressure required to protect a micro-fluid ejection device of a printhead assembly.
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US Patent 07631954 Delivery pressure compensation methods and apparatuses US Patent 7631954 Delivery pressure compensation methods and apparatuses
Infobox
Patent Number
0763195400
Patent Number
763195400
Edits on 29 Apr, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076319540
Date of Patent
December 15, 2009
0Patent Application Number
117645080
Date Filed
June 18, 2007
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076319540
Date of Patent
December 15, 2009
0Patent Application Number
117645080
Date Filed
June 18, 2007
0Official Website
Patent Primary Examiner
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US Patent 07631954 Delivery pressure compensation methods and apparatuses
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07631954
Date of patent
December 15, 2009
Patent application number
11764508
Date Filed
June 18, 2007
Patent primary examiner
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