Apparatus and accompanying method for converting a bit mapped mo

Details Apparatus and accompanying method for converting a bit mapped mo Apparatus and accompanying method for converting a bit mapped mo

1989-03-31

1991-07-02

Harkcom, Gary V.

Boots, shoes, and leggings

364521, 340750, 340724, G06K 1500

Patent

active

050291076

ABSTRACT:
Apparatus and an accompanying method for converting a relatively high resolution halftone bit-mapped monochromatic document, such as illustratively a halftone separation which exists in a CDPF print file, into a relatively low resolution continuous tone grey scale document which, when the latter is applied to a display screen of a video monitor having appropriate grey scale capability, would provide a readable displayed page, i.e. a "preview", that approximately depicts how the bit-mapped document would appear when printed.

REFERENCES:
patent: 4084196 (1978-04-01), Tisue et al.
patent: 4210936 (1980-07-01), Cinque et al.
patent: 4486785 (1984-12-01), Lasher et al.
patent: 4533942 (1985-08-01), Gall et al.
patent: 4630125 (1986-12-01), Roetling
patent: 4672559 (1987-06-01), Jansson et al.
patent: 4855933 (1989-08-01), Kondo
G. Goertzel et al., "Digital Halftoning on the IBM 4250 Printer", IBM Journal of Research and Developing, vol. 31, No. 1, Jan. 1987, pp. 2-15.

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