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:
Jun. 16, 1998
Filed:
Apr. 24, 1996
Applicant:
Inventors:
Paul Delabastita, Antwerp, BE;
Katrien Daels, Lier, BE;
Johan Van Hunsel, Hasselt, BE;
Jan Van Cauwenberge, Zottegem, BE;
Assignee:
Agfa-Gevaert, N.V., Mortsel, BE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ; G03F / ;
U.S. Cl.
CPC ...
430-6 ; 4302701 ; 430300 ; 430396 ; 359893 ;
Abstract
In order to improve the printability of a periodic halftone screen, the amount of growth of the halftone dots in a halftone screen is modulated as a function of tone in a tone selective way that is different for at least two halftone dots.