Facsimile apparatus

Details Facsimile apparatus Facsimile apparatus

1990-03-20

1991-10-22

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358451, 358445, 358296, 382 50, 382 54, H04N 140

Patent

active

050600826

ABSTRACT:
A facsimile apparatus including image data conversion unit for converting image data corresponding to an image to be printed in such a manner that two adjacent dots on a main scanning line of the image data are converted into one dot a smoothing unit connected to the conversion unit for modifying converted image data in such a manner that, if a pattern of a region formed by a predetermined number of converted dots coincides with a predetermined pattern, the converted image data is changed to have a pattern corresponding to the predetermined pattern in the region; and selection unit connected to the image data conversion unit and the smoothing unit and adapted to select an output of the image data conversion unit as printing data if it is detected that the image data has been transmitted in a fine mode, and select an output of the smoothing unit as printing data if it is detected that the image data has been transmitted in a standard mode.

REFERENCES:
patent: 4571635 (1986-02-01), Mahmodi et al.
patent: 4651223 (1987-03-01), Sasaki et al.
patent: 4682869 (1987-07-01), Itoh et al.
patent: 4855841 (1989-08-01), Shimada
patent: 4873577 (1989-10-01), Chamzas
patent: 4937682 (1990-06-01), Dalton

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