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:
Aug. 27, 2013
Filed:
Apr. 22, 2009
Carl Conrad Mäder, Hittnau, CH;
Carl Conrad Mäder, Hittnau, CH;
Ferag AG, , CH;
Abstract
An optical control method for use in print finishing, comprising the following steps: First, guiding a planar printed product () along a conveying path past at least one optical sensor (). Secondly, detecting an electronic image by the optical sensor (), wherein the electronic image comprises at least one region of the printed product (). Thirdly, transferring the electronic image into a corrected image on the basis of corrective information, which converts a recording perspective of the at least one optical sensor () into a target perspective. Fourth, comparing the corrected image to a reference value or a reference image, and generating at least one signal () on the basis of a result of the comparison.