Image forming apparatus

Details Image forming apparatus Image forming apparatus

1997-07-16

1999-11-23

Barlow, John

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347240, 347251, 347131, 358298, 358459, H04N 140

Patent

active

059909242

ABSTRACT:
For input image data (`A`) before conversion, each pixel is converted into N (=3) parts. In this case, the three sub-pixels of data corresponding to a recording pixel (black pixel) are converted into recording sub-pixels on both sides of the three (`B`). This eliminates the density variation within a single pixel. Therefore, it is possible to reduce the dot spacing at slanted area, for example, and hence eliminate jaggies, providing a reproduced image easily recognized.

REFERENCES:
patent: 5005139 (1991-04-01), Tung
patent: 5627651 (1997-05-01), Seto et al.
patent: 5662213 (1997-09-01), Ohshita et al.
patent: 5742317 (1998-04-01), Kashihara
patent: 5767982 (1998-06-01), Takahashi et al.

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