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:
Oct. 09, 2001
Filed:
Mar. 17, 1997
Applicant:
Inventor:
Luigi Stringa, Trento, IT;
Assignee:
De La Rue Giori S. A., Lausanne, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 ;
U.S. Cl.
CPC ...
G06K 9/00 ;
Abstract
A sheet of paper (,) with the image to be checked passes in front of a camera (,) designed to capture three chromatic images and to emit three signals (S,S,S,). These signals are introduced into a device (,) applying a function F which comprises coefficients (K,K,K,K,K,K,) previously recorded in a suitable device (,). The single signal (,) resulting from the function F is delivered to a device (,) for checking the printing quality.