Image reading device having a plurality of image sensors arrange

Details Image reading device having a plurality of image sensors arrange Image reading device having a plurality of image sensors arrange

1993-01-27

1995-07-25

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358474, H04N 1193

Patent

active

054367379

ABSTRACT:
An image reading device moves relative to a document in a lengthwise direction of the document so as to read a document image, and is provided with first and second image sensors arranged in line in a widthwise direction of the document, each image sensor including first to n-th photoelectric conversion elements arranged in line in the widthwise direction, each photoelectric conversion element receiving reflected light from the document and generating image data corresponding to the intensity of the received reflected light, and the first photoelectric conversion element of the second image sensor positioned following the n-th photoelectric conversion element of the first image sensor; a scanner for causing the lines of photoelectric conversion elements of the respective image sensors to scan in a specified direction at a specified speed; and a data processor for processing the image data from the n-th photoelectric conversion element of the first image sensor and the image data from the first photoelectric conversion element of the second image sensor so that these image data become continuous in the lengthwise direction. Accordingly, the image reproduced from the read image data is allowed to exhibit satisfactory reproducibility and appearance.

REFERENCES:
patent: 3962681 (1976-06-01), Regua et al.
patent: 4439790 (1984-03-01), Yoshida
patent: 4532551 (1985-07-01), Kurata et al.
patent: 4776031 (1988-10-01), Mita
patent: 4891690 (1990-01-01), Hasegawa et al.
Patent Abstracts of Japan, vol. 14, No. 489 (E-994) 24 Oct. 1990 & JP-A-22 02 265 (Fuji Xerox Co Ltd) 10 Aug. 1990 *abstract*.

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