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:
May. 30, 1978
Filed:
Nov. 04, 1976
Applicant:
Inventor:
Hans-Georg Knop, Heikendorf, DT;
Assignee:
Dr. Ing. Rudolf Hell GmbH, , DT;
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
358 80 ; 358 78 ; 358282 ;
Abstract
An improved color adjustment circuit for a color scanner in which a photoelectric scanning device obtains color signals and which supplies separated output signals to color correction circuits and wherein the output of the scanning device can be disconnected from the correction circuit during adjustment of the correction circuit and wherein for each of the picture points which is to be examined a variable memory receives and stores the color signal values for the picture points from the scanning device and the outputs of these memories can be connected to the input of the correction circuit for adjusting the individual color correction values of the correction circuit.