Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1995-03-20
1997-12-16
Frahm, Eric
Facsimile and static presentation processing
Facsimile
Recording apparatus
358449, 358474, 358486, 358488, H04N 104, H04N 140, H04N 100
Patent
active
056991657
ABSTRACT:
A paper end detection apparatus for an image reading apparatus suitable for use with an image scanner, which is superior in that an end of a paper sheet can be detected accurately. The paper end detection apparatus is incorporated in an image reading apparatus wherein paper image information is read from a paper sheet being transported along a paper transport path by an optical image reading unit at a fixed location along the paper transport path, and includes a one-line peak value detection section for detecting, from an image signal from the optical image reading unit, a peak value in one line along a direction perpendicular to the direction in which the paper sheet is transported, a storage section for storing a past peak value in one line detected prior to the current peak value detected by the one-line peak value detection section, and a comparison section for comparing the current peak value detected by the one-line peak value detection section and the past peak value from the storage section and outputting a result of the comparison as a paper end detection signal.
REFERENCES:
patent: 4809086 (1989-02-01), Horiya
patent: 4866536 (1989-09-01), Honjo et al.
patent: 5032712 (1991-07-01), Ito
patent: 5124810 (1992-06-01), Seto
Amagai Tamio
Murai Yukako
Saito Keiichi
Suzuki Akio
Tabata Yoshio
Frahm Eric
Fujitsu Limited
LandOfFree
Paper end detection apparatus for image reading apparatus and im does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Paper end detection apparatus for image reading apparatus and im, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Paper end detection apparatus for image reading apparatus and im will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-212001