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:
Feb. 10, 2004
Filed:
Jun. 07, 2001
Applicant:
Inventors:
Klaus Burkhardt, Kraichtal, DE;
Uwe Nagel, Karlsruhe, DE;
Erich Schaefer, Karlsruhe, DE;
Hartmut Schulz, Karlsruhe, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 1/06 ;
U.S. Cl.
CPC ...
G09G 1/06 ;
Abstract
A method and a circuit arrangement for controlling the operating point of a cathode ray tube ( ) for use in image technology applications. A video signal ( ) is supplied to both the tube ( ) and to a cathode ray tube model ( ), which the model ( ) uses to emulate a beam current. From the emulated beam current and a measured beam current, a characteristic quantity for adjusting the operating point is determined.