Facsimile and static presentation processing – Facsimile – Picture signal generator
Patent
1996-07-22
1998-09-08
Stoll, Thomas L.
Facsimile and static presentation processing
Facsimile
Picture signal generator
358474, 358488, H04N 140
Patent
active
058053069
ABSTRACT:
An image reading apparatus for approximately obtaining an image signal which might have been obtained if scanned in a second direction using an image signal obtained by scanning in a first direction. The image apparatus includes a conveyer for conveying a document, a detector for detecting the inclination of the conveyed document, and a window generator for generating a window signal. Also included is an image reader for reading an image by scanning the document in a first direction at a width broader than the width of the document and reading the scanned image only when the window signal is present to produce an issuing image signal. Also included is a first corrector for adjusting the start timing of the window signal so that the window signal may be started when the scanning passes through the beginning end of the document by reference to the inclination angle of the document. Also included is a second corrector for dividing the image signal of each sweep for the first direction after the first correction into a plurality of image signal blocks linking a plurality of the image signal blocks and approximate image signal which might have been obtained if scanned in the second direction.
REFERENCES:
patent: 4533959 (1985-08-01), Sakurai
patent: 4686577 (1987-08-01), Arimoto
patent: 4953230 (1990-08-01), Kurose
patent: 5172422 (1992-12-01), Tan
patent: 5191438 (1993-03-01), Katsurada et al.
patent: 5373371 (1994-12-01), Masui
Hasegawa Jun
Kitsutaka Eiji
Matsushita Electric - Industrial Co., Ltd.
Stoll Thomas L.
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