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:
Nov. 26, 1985
Filed:
Oct. 23, 1981
Applicant:
Inventors:
Jan W Klumper, Alphen a/d Rijn, NL;
Huibert Visser, Zevenhuizen, NL;
Assignee:
de Nederlandsche Bank N.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G07D / ;
U.S. Cl.
CPC ...
356448 ; 356430 ;
Abstract
An apparatus for automatically detecting and evaluating print characteristics comprising an optical detection and comparison means. In particular comparison is made using reflector means which is at the same time a background area for a print in its test position.