Multilevel image recording method

Details Multilevel image recording method Multilevel image recording method

1997-03-05

1999-09-14

Le, N.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Gradational recording

347190, 358298, B41J 252

Patent

active

059530383

ABSTRACT:
A multilevel image recording method is provided which can reproduce high resolution images with high quality and at a linear gradation. One pixel is formed by a left dot and a right dot, and a density of the pixel is expressed by a sum total of surface areas of each dot. The density of the pixel is distributed to the left dot and the right dot in accordance with curve A or curve B. At least dots expressing maximum densities at respective pixels in halftone regions are right dots.

REFERENCES:
patent: 5432611 (1995-07-01), Haneda et al.

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