Device and method for reproducing digital image data

Details Device and method for reproducing digital image data Device and method for reproducing digital image data

1994-08-25

1996-05-28

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Image reproduction system

358296, 358447, 358456, 358451, 382299, H04N 121, H04N 100, H04N 140, H04N 1393

Patent

active

055217150

ABSTRACT:
Digital image data containing binary pixel values are reproduced, without any loss of detail, by a reproduction unit, such as a laser printer, having a lower base resolution than the resolution of the image data, by subjecting the image data to a resolution conversion, the resolution being reduced in one direction, to a value corresponding to the resolution of the reproduction unit, and enlarged in the remaining direction.

REFERENCES:
patent: 4710821 (1987-12-01), Ohta
patent: 5123082 (1992-06-01), Shimada
patent: 5140648 (1992-08-01), Hackett et al.
patent: 5153936 (1992-10-01), Morris et al.
patent: 5253080 (1993-10-01), Nishimura et al.
patent: 5371612 (1994-12-01), Sakamoto
IBM Technical Disclosure Bulletin, vol. 20, #4, Sep. 1977, pp. 1578-1580.

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