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US Patent 11636296 Print artifact compensation mechanism

Patent 11636296 was granted and assigned to Ricoh on April, 2023 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
Ricoh
Ricoh
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
116362960
Date of Patent
April 25, 2023
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Patent Application Number
176842750
Date Filed
March 1, 2022
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Patent Citations
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US Patent 10538106 Method for compensating for defective printing nozzles in inkjet printing
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US Patent 11216710 Iterative uniformity compensation mechanism
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US Patent 10449759 Compensation method for failed printing nozzles
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US Patent 10696062 Method for compensating for defective printing nozzles in an inkjet printing machine
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Patent Primary Examiner
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Quang N Vo
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CPC Code
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G06K 15/1881
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G06K 15/102
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G06K 15/1878
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A system is disclosed. The system includes at least one physical memory device to store compensation logic and one or more processors coupled with the at least one physical memory device to execute the compensation logic to generate inverse transfer functions for each of a plurality of color planes to compensate for non-functioning pel forming elements based on ink deposition functions for groups of pel forming elements including functioning pel forming elements and the non-functioning pel forming elements, wherein the inverse transfer functions transform output digital counts and the ink deposition functions represent output ink amount versus input digital count and generate compensated halftones for each of a plurality of color planes based on the inverse transfer functions.

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