The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 31, 1988
Filed:
Oct. 06, 1986
Applicant:
Inventors:
Jean A Van Daele, Bonheiden, BE;
Patrick M Pandelaers, Brussels, BE;
Assignee:
Afga-Gevaert N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358293 ; 358284 ;
Abstract
A method and an apparatus for generating correcting signals for correcting the video output signal of an electro-optical document reading apparatus of the line-wise scanning type are disclosed. The method of the invention employs a successive approximation procedure for determining the correcting factors pertaining to pixels within each scanning line, the checking cycles of the procedures corresponding with each correction word however are nested.