Method of multi-dot interlace printing

A method of performing interlace printing on a print medium with a printhead of an ink jet printer includes providing an array of pixel locations on the print medium. Each pixel location has a common maximum number M of ink drops that the pixel location may receive. Each pixel location is assigned a...

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Bibliographic Details
Main Authors OVERALL GARY SCOTT, WILLETT BRYAN SCOTT
Format Patent
LanguageEnglish
Published 29.05.2001
Edition7
Subjects
CALCULATING
COMPUTING
CORRECTION OF TYPOGRAPHICAL ERRORS
COUNTING
HANDLING RECORD CARRIERS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PHYSICS
PRESENTATION OF DATA
PRINTING
RECOGNITION OF DATA
RECORD CARRIERS
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:A method of performing interlace printing on a print medium with a printhead of an ink jet printer includes providing an array of pixel locations on the print medium. Each pixel location has a common maximum number M of ink drops that the pixel location may receive. Each pixel location is assigned a respective desired number D of ink drops which are to be placed at the pixel location. Each desired number D is less than or equal to M. Sets of threshold values are created. A number N of the sets of threshold values is equal to or greater than M. Each of the pixel locations corresponds to one of the threshold values of each set of threshold values. A respective, single ink drop is selectively jetted at each pixel location. Whether the single ink drop is jetted onto a respective pixel location is dependent upon the desired number D assigned to the respective pixel location and the corresponding threshold value of one of the sets of threshold values. The selectively jetting step is repeated N-1 additional times. Each selectively jetting step uses a different one of the sets of threshold values.
Bibliography:Application Number: US20000499548