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:
Jan. 25, 1977
Filed:
Feb. 12, 1975
Applicant:
Inventor:
Hans-Georg Knop, Ascheberg, DT;
Assignee:
Dr. -Ing. Rudolf Hell GmbH, Kiel, DT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
358 80 ;
Abstract
A method and apparatus for improving sharpness when recording half tone pictures wherein picture signals are provided by means of optical/electrical scanning of picture patterns which are superimposed for an increase of sharpness during recording while utilizing a sharpness signal which is provided during the scanning process wherein the sharpness signal is changed in accordance with the picture content of the picture pattern prior to superposition thereof with the signals derived from scanning the picture.