Image processing to mask low drop volume defects in inkjet...

Details Image processing to mask low drop volume defects in inkjet... Image processing to mask low drop volume defects in inkjet...

2007-01-30

2007-01-30

Shah, Manish S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S006000

Reexamination Certificate

active

10751645

ABSTRACT:
A method and apparatus for masking low drop volume print defects in inkjet printers. In one exemplary embodiment, the invention obtains a print mask, determines a likelihood that an individual ink ejection nozzle will produce a low drop volume, determining a correction factor, and compensates for the low drop volume. The low drop volume may be compensated by increasing the drop intensity, modifying the print mask, or combinations of both.

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patent: 6533384 (2003-03-01), Vega et al.
patent: 2005/0083364 (2005-04-01), Billow

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