Image reading apparatus with controlled correction for unevennes

Details Image reading apparatus with controlled correction for unevennes Image reading apparatus with controlled correction for unevennes

1986-08-12

1989-05-02

Blum, Theodore M.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358163, 382 54, H04N 140

Patent

active

048273511

ABSTRACT:
There is disclosed an image reader capable of detecting a state unsuitable for image reading. The image reader is capable of generating information for compensating for the unevenness of the output of image sensor, and image signals obtained by reading a reference plate with the image sensor are corrected based on this information and are used for identifying an abnormal state of image reading.

REFERENCES:
patent: 4408231 (1983-10-01), Bushaw et al.
patent: 4453268 (1984-06-01), Britt
patent: 4601058 (1986-07-01), Seto
patent: 4675533 (1987-06-01), Shimizu
patent: 4679919 (1987-07-01), Itoh et al.
patent: 4691365 (1987-09-01), Nagashima

Affiliated with

Also associated with

Rating

Image reading apparatus with controlled correction for unevennes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image reading apparatus with controlled correction for unevennes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image reading apparatus with controlled correction for unevennes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-589443