Optical path monitoring circuit for a document scanner

Details Optical path monitoring circuit for a document scanner Optical path monitoring circuit for a document scanner

1981-03-11

1982-10-26

Pitts, Harold I.

Registers

Coded record sensors

Particular sensor structure

3401463AG, 235435, G06K 900

Patent

active

043563902

ABSTRACT:
The light levels reflected from a predetermined blank portion of an optically scanned document are monitored. The presence of dirt or smudges in the optical path which could adversely affect the validity of the information read from the document.

REFERENCES:
patent: 3747066 (1973-07-01), Vernot et al.

Affiliated with

Also associated with

Rating

Optical path monitoring circuit for a document scanner does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical path monitoring circuit for a document scanner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical path monitoring circuit for a document scanner will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-949797