Printer for printing bit-mapped image responsive to bit-mapped i

Details Printer for printing bit-mapped image responsive to bit-mapped i Printer for printing bit-mapped image responsive to bit-mapped i

1995-02-21

1998-03-03

Reinhart, Mark J.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347251, 358296, 395109, 395117, B41J 247

Patent

active

057240892

ABSTRACT:
A printer receives a bit-mapped image signal representing an arbitrary bit-mapped image, and generates an independent pattern signal having a certain dot density, representing a shade of gray. The printer discriminates between edge dots and interior dots in the bit-mapped image signal, and generates a corresponding discrimination signal. A logic circuit outputs edge dots that are present in the bit-mapped image signal, and interior dots that are present simultaneously in the bit-mapped image signal and pattern signal. The dots output by the logic circuit are printed to produce outlines filled with a shade of gray.

REFERENCES:
patent: 5047844 (1991-09-01), Ikeda et al.
patent: 5189523 (1993-02-01), Sugiura et al.
patent: 5483625 (1996-01-01), Robertson et al.
patent: 5555360 (1996-09-01), Kumazaki et al.

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