Halftoning in a hyperacuity printer

Details Halftoning in a hyperacuity printer Halftoning in a hyperacuity printer

1993-10-28

1995-04-25

Reinhart, Mark J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

347251, H04N 121

Patent

active

054104149

ABSTRACT:
A hyperacuity printing system for rendering halftoned image data on a recording medium. The system includes comprising a data source for supplying grayscale input image data and a writing device for writing grayscale output image data onto the recording medium. Also included is halftoning circuitry for transforming the grayscale input image data into the grayscale output image data, the halftoning circuitry including a lookup table for providing the grayscale output image data described as halftone dots arranged as a continuum from a lowest intensity value to a highest intensity value of the grayscale input image data. Finally, included is a modulating device coupled between the halftoning circuitry and the writing device for converting the grayscale output image data from the halftoning circuitry into a form which can be utilized by the writing device.

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