Imaging system and method with mid-tone enhancement

Details Imaging system and method with mid-tone enhancement Imaging system and method with mid-tone enhancement

1980-04-23

1983-06-28

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358199, 358293, 358284, 358285, H04N 140

Patent

active

043909035

ABSTRACT:
Laser imaging system and method in which mid-tones are enhanced to eliminate undesired growth in halftone and text images. The pulses which control the modulation of the writing beam are each decreased in width by a fixed amount to provide the desired mid-tone enhancement.

REFERENCES:
patent: 2956115 (1960-10-01), Hefele
patent: 3465352 (1969-09-01), Carlson
patent: 3479453 (1969-11-01), Townsend
patent: 3484791 (1969-12-01), Saeger et al.
patent: 4002829 (1977-01-01), Hutchison
patent: 4122409 (1978-10-01), Marlett et al.

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