Facsimile and static presentation processing – Facsimile – Image reproduction system
Patent
1994-03-10
1997-05-13
Rogers, Scott A.
Facsimile and static presentation processing
Facsimile
Image reproduction system
358464, 358474, H04N 104, H04N 123, H04N 138
Patent
active
056297777
ABSTRACT:
An image forming apparatus includes a first scanning function for radiating light to a target area including an original image area, scanning the target area in a predetermined direction, and converting an optical image obtained by scanning to an electrical signal. A second scanning function is provided for radiating light to the target area including the original image area, scanning the target area in a direction perpendicular to the direction in which the first scanning function scans, and converting an optical image obtained by scanning to an electrical signal. A function means converts the electrical signals converted by the first and second scanning functions to digital signals. Also provided is an area abstracting function for abstracting an area in the target area surrounded by a low-density portion based on the digital signals processed by the converting function, a judging function for judging the area surrounded by the low-density portion as an original area and an area other than the original area as an extra-original area, and an image forming function, which forms an image based on image signals obtained by scanning and conversion by the first and second scanning functions, for forming an image to exclude the extra-original area judged by the judging function.
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patent: 5440403 (1995-08-01), Hashimoto et al.
patent: 5488491 (1996-01-01), Steinkirchner
patent: 5510908 (1996-04-01), Watanabe et al.
Kabushiki Kaisha Toshiba
Rogers Scott A.
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